LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALI LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALI 9 £ P 1 LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALI LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY Of CALI IARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNI IARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNI ARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNIi *R¥ OF THE UNIVERSITY OF CUIFORNIA LIBRARY OF THE UNIVERSITY OF CtLIFORNM Lid LIB iiei IBf SMITHSONIAN INSTITUTION UNITED STATES NATIONAL MUSEUM Bulletin 92 BIBLIOGRAPHIC INDEX OF AMERICAN ORDOVICIAN AND SILURIAN FOSSILS VOLUME 2 BY RAY S. iBASSLER Curator of Paleontology, United States National Museum WASHINGTON GOVERNMENT PRINTING OFFICE 1915 BULLETIN OF THE UNITED STATES NATIONAL MUSEUM. ISSUED NOVEMBER 1, 1915 II TABLE OP CONTENTS. _ ' ---, Page. Bibliographic list of genera and species 719 Index of specific names 1343 Biological classification of genera 1407 Alphabetical list of genera 1429 Faunal lists of American Ozarkian to lowest Helderbergian 1441 Ozarkian faunas: Ozarkian of upper Mississippi Valley 1441 Ozarkian of middle Appalachian Valley 1441 Ozarkian (Little Falls) of New York 1441 Ozarkian? (erratics in Levis), Point Levis, Quebec 1441 Canadian faunas: Canadian of the Appalachian region 1442 Canadian of Mississippi Valley and western North America 1444 Canadian (Levis and Sillery) of Quebec 1445 Canadian (Bretonian) of Cape Breton and New Brunswick 1446 Canadian (Deepkill) of eastern New York 1446 Canadian (Schaghticoke) of eastern New York 1447 Canadian (Romaine) of Mingan Islands, Quebec 1447 Canadian (Quebec) of Newfoundland 1447 Ordovician faunas: St. Peter sandstone of Mississippi Valley •. 1448 Chazyan of Champlain and Ottawa Valleys 1448 Chazyan (Lenoir) of Virginia and Tennessee 1449 Chazyan (Stones River) of Appalachian and Mississippi Valleys 1450 Chazyan (Ottosee) of Appalachian Valley in Virginia and Tennessee. . 1450 Chazyan (Normanskill, etc.) of Appalachian Valley, Arkansas, and Oklahoma , 1451 Chazyan (Mingan) of Mingan Islands, Quebec 1451 Chazyan (Quebec) of Newfoundland 1452 Black River of Appalachian and Mississippi Valleys and Canada 1452 Black River or Richmond of Manitoba 1458 Pogonip of Nevada 1458 Trenton of Canada, New York, etc., and Ohio Valley 1459 Trenton (Prosser) of upper Mississippi Valley 1465 Trenton (Stewartville) of upper Mississippi Valley 1467 Trenton (Curdsville) of Ohio Valley and Canada 1467 Trenton (Rysedorph conglomerate) of eastern New York 1468 Trenton (Snake Hill) of eastern New York 1468 Trenton (Schenectady) of east central New York 1469 Trenton (Macasty) of Anticosti Island, Quebec 1469 Mohawkian (Jacksonburg) of New Jersey 1469 Mohawkian of Baffin Land 1470 Cincinnatian (Utica) of New York, etc 1470 Cincinnatian (Eden) of Appalachian and Ohio Valleys 1470 Cincinnatian (Maysville) of Ohio Valley, New York, and Canada 1472 Ordovician of South America 1476 Ordovician (miscellaneous) 1476 3 IV TABLE OF CONTENTS. Silurian faunas: Page. Richmond of areas adjacent to Cincinnati Axis 1476 Richmond (Maquoketa) of upper Mississippi Valley 1479 Richmond (Fern vale). of Illinois, Tennessee, Missouri, Arkansas, and Oklahoma 1480 Richmond of Island of Anticosti, Quebec 1481 Richmond (Gamachian — Ellis Bay) Island of Anticosti, Quebec 1482 Richmond (miscellaneous) 1482 Upper Medinan (Girardeau) of Missouri and Illinois 1483 Upper Medinan (Edgewood) of Illinois and Missouri 1483 Upper Medinan (Channahon) of Illinois 1484 Upper Medinan (Brassfield) of Kentucky, Ohio, etc 1484 Upper Medinan of New York, New Jersey, etc 1485 Upper Medinan (Cataract) of Ontario 1485 Lower Clinton of New York and Appalachian Valley 1486 Upper Clinton of New York, Appalachian and Ohio Valleys 1487 Clinton of eastern Kentucky 1489 " Niagara dolomite " (Rochester), Hamilton, Ontario 1489 Anticostian, Island of Anticosti, Quebec 1490 Niagaran (Laurel) of Indiana, Kentucky, and Tennessee 1491 Niagaran (Waldron) of Indiana, Kentucky, and Tennessee 1492 Niagaran (Louisville) of Kentucky and Indiana 1493 Niagaran (Brownsport) of west Tennessee 1495 Upper Niagaran of New York, Ontario, and Wisconsin 1496 Niagaran (Racine) of Illinois and Wisconsin 1497 Niagaran (Waukesha) of Wisconsin 1501 Niagaran of Lake Huron region 1501 Niagaran (miscellaneous horizons) 1501 Niagaran of northern Indiana 1502 Arisaig of Nova Scotia 1503 Niagaran of Arctic America 1504 Silurian of Maine 1505 Silurian (Nova Scotia, etc.) 1505 Cayugan (Kokomo) of Indiana 1506 Cayugan of Appalachian Valley, New York and Ontario 1506 Silurian of South America 1507 Lower Monroan of Michigan, Ohio, and Ontario 1507 Upper Monroan (Helderbergian?) of Michigan and Ontario 1507 Helderbergian (Lower Beds) of Appalachian Valley 1508 List of American Ordovician and Silurian formations. . 1511 BIBLIOGRAPHIC INDEX OF AMERICAN ORDO- VICIAN AND SILURIAN FOSSILS. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. LICHAS Dalman. Genotype: Entomostracites laciniatus Wahlenberg. Lichas Dalman, Sven. Vet. Akad. Handl. for 1826, 1827, p. 278.— Beyrich, Ueber einige bohmischen Tril., 1845, p. 24. — Bell and Forbes in Burmeister 's Org. Tril., London, Suppl. App., 1846, p. 126.— Hawle and Corda, Abh. d. k. bohm. Gesell. d. Wiss., 5, 1847 (extract), p. 141, pi. 7, fig. 76.— Barrande, Neues Jahrb. f. Min., etc., 1850, p. 777.— Hall, Pal. New York, 2, 1852, p. 311.— Barrande, Syst. Sil. du Centre Boheme, 1, 1852, p. 582.— McCoy, British Pal. Hocks Fossils, 1854, p. 150.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 506.— Nieszkowski, Archiv. f. Naturk. Liv-, Ehst- u. Kurl., Istser., 1, 1857, p. 565.— Malaise, Desc. Terr. Sil. du Centre de la Belgique, 1873, p. 82.— Steinhardt, Beit. z. Naturk. Preus. Phys.-Oekon. Gesell., Konigsberg, 1874, p. 27.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 127.— Lindstrom, Ofv. K. Vet.- Akad. Forh., 1885, p. 56.— Schmidt, Mem. 1'Acad. Imp. Sci. St. Petersburg, 7th ser., 33, 1885, p. 5.— Zittel, Handb. Pal., 2, 1885, p. 623.— Lindstrom, Ofvers Kongl. Vet.-Akad. Forh., 42, No. 6, 1885, p. 56.— Hall and Clarke, Pal. New York, 7, 1888, p. xxxvi.— Whidborne, Mon. Devonian Fauna South England, 1, Pal. Soc., 1889, p. 15.— Miller, N. A. Geol. Pal., 1889, p. 553.— Clarke, Geol. Minnesota,. 3, pt. 2, 1894, p. 751.— Beecher, Amer. Jour. Sci., 4th ser., 3, 1897, p. 104, pi. 3, fig. 22; Zittel-Eastman Textb. Pal., 1900, p. 632.— Grabau, Bull. New York State Mus., 45, 1901, p. 224; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 224.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, 1901, p. 59.— Gurich, Neues Jahrb. Min., Geol. Pal., 14, Beilage-Band, 1901, pp. 520, 526.— Jaekel, Zeits. geol. Gesell., 53, 1901, p. 149.— Reed, Quart. Jour. Geol. Soc. London, 58, 1902, pp. 59, 61.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 721. Observation. — Most of the above citations refer to Lichas in a broad sense. LICHAS (HOPLOLICHAS) BICORNIS Ulrich. See Amphilichas bicornis. LICHAS (PLATYMETOPUS) BICORNIS Clarke. See Amphilichas bicornis. LLCHAS BOLTONI Meek and Worthen. See Arctinurus occidentalis. LICHAS BOLTINI Hall. See Arctinurus nereus. LICHAS BOLTONI var. OCCIDENTALIS Hall. See Arctinurus occidentalis LICHAS BREVICEPS Hall (1863). See Metopolichas breviceps. LICHAS BREVICEPS Hall (1865). See Dicranopeltis decipiens. LICHAS BREVICEPS Foerste. See Metopolichas breviceps clintonensis. LICHAS BYRNESANUS Miller and Gurley. See Corydocephalus byrnesanus. 719 720 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lichas canadensis Billings. Lichas Canadensis Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 65, fig. 22. Anticostian (Gun River): East Point, Anticosti. LICHAS CHAMPLAINENSIS Whitfield. See Amphilichas minganensis. LICHAS (CONOLICHAS) COENUTUS Clarke. See Conoliclias cornutus. LICHAS CUCULLUS Meek and Worthen. See Amphilichas cucullus. LICHAS DECIPIENS Winchell and Marcy. See Dicranopeltis decipiens. LICHAS EMARGINATUS Hall. See Dicranopeltis decipiens. LICHAS FABERI Miller. See Amphilichas halli. LICHAS HALLI Foerste. See Amphilichas halli. LICHAS HANOVERENSIS Miller and Gurley. See Corydocephalus phlyctainoides. LICHAS HARRISI Miller. See Arctinurus harrisi. LICHAS JUKESII Billings. See Amphilichas jukesi. LICHAS MINQANENSIS Billings. See Amphilichas minganensis. LICHAS NEREUS Hall. See Arctinurus nereus. LICHAS (ONCHOLICHAS) OBVIA Schmidt. See Arctinurus obvius. LICHAS OBVIUS Hall. See Arctinurus obvius. LICHAS PAULIANUS Miller. See Corydocephalus wesenbergensis paulianus. LICHAS PHLYCTAINOIDES Foerste. See Corydocephalus phlyctainoides. LICHAS (DICRANOGMUS) PTYONURUS Hall and Clarke. See Corydocephalus ptyo- nurus. LICHAS PUGNAX Winchell and Marcy. See Metopolichas pugnax. LICHAS (HOPLOLICHAS) ROBBINSI Ulrich. See Amphilichas robbinsi. LICHAS TRENTONENSIS Hall. See Amphilichas trentonensis. LICHAS (ARGES) WESENBERGENSIS var. PAULIANUS Clarke. See Corydocephalus wesenbergensis paulianus. LICHEN ALIA Hall. Genotype: L. concentrica Hall. Lichenalia Hall, Pal. New York, 2, 1852, p. 171; Amer. Jour. Sci., 2d ser., 11, 1851, p. 401.— Bassler, Bull. 173, U. S. Geol Surv., 1900, pp. 54, 299.— Grabau, Bull. New York State Mus., 45, 1901, p. 176; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 176.; Bull. U. S. Geol. Surv., 292, 1906, p. 60.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 165.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 166; Zittel-Eastman Texb. Pal., 1913, p. 347. LICHENALIA Hall and Simpson. See Fistulipora McCoy. LICHENALIA? CALYCULA James. See Aspidopora calycula. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 721 Lichenalia concentrica Hall. Lichenalia concentrica Hall, Pal. New York, 2, 1852, p. 171, pi. 40e, figs. 5a-g. — Grabau, Bull. New York State Mus., 45, 1901, p. 176, fig. 79; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 176, fig. 79.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 61, pi. 22, figs. 1-6; pi. 26, figs. 7-10; Bull. U. S. Nat. Mus., 77, 1911, p. 168, fig. 84. Orbicula corrugata Hall, Nat. Hist. New York, Geol., 4, 1843, p. 108, fig. 3; p. 109; tab. ill. 15, fig. 3. Crania corrugata Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 153, figs. Clinton (Rochester): Lockport, Rochester, etc., New York; Grimsby, Hamilton, etc., Ontario. Early Silurian (Borkholm): Borkholm, Esthonia, Russia. Pksiotype.—Cat. No. 35775, U.S.N.M. LICHENALIA CONCENTRICA of authors. See Fistulipora neglecta. LICHENALIA CONCENTRICA var. MACULATA Hall. See Fistulipora neglecta maculata. LICHENALIA CONCENTRICA var. PARVULA Hall. See Fistulipora halli. LICHENARIA Winchell and Schuchert. Genotype: L. typa Winchell and Schuchert. Lichenaria Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 83 (extras, 1893). Lichenaria minor Ulrich. Lichenaria minor Ulrich, Geol. Minnesota, 3, pt. 1, 1895, p. 84, fig. 5. Trenton (Prosser): Near Cannon Falls, Minnesota. Holotype.—Cat. No. 42950, U.S.N.M. Lichenaria typa Winchell and Schuchert. Lichenaria typa Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 83, pi. G, figs. 10-13.— Sardeson, Amer. Jour. Sci., 4th ser., 8, 1899, pp. 101, 102, figs. 1-4. Black River: Minneapolis, Minnesota (Decorah); Pauquette's Rapids, Ottawa River, Canada (Leray). LICHENOCRINUS Hall. Genotype: L. dyeri Hall. Lichenocrinus Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 216 (adv. sheets 1866, p. 9).— Meek, Ann. Mag. Nat. Hist., 4th ser., 8, 1871, p. 341; ibid., 9, 1872, p. 247; Amer. Jour. Sci., 3d ser., 2, 1871, p. 299; ibid., 3, 1872, pp. 15, 261; Geol. Surv. Ohio, Pal., 1, 1873, pp. 44-51.— Zittel, Handb. Pal., 1, 1879, p. 424.— Miller, N. A. Geol. Pal., 1889, p. 258.— Sardeson, Amer. Geol., 24, 1899, p. 275.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 77. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 714. Lichenocrinus affinis Miller. Lichenocrinus aflinis Miller, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 229, pi. 9, figs. 7, 7a.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 155.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 478, pi. 2, fig. 5. Richmond (Waynesville) : Warren and Clinton Counties, Ohio. ?Mohawkian: Baffin Land. Lichenocrinus crateriformis Hall. Lichenocrinus crateriformis Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 217, pi. 7, fig. 7 (adv. sheets, 1866, p. 9, and 1871, pi. 3, fig. 7).— Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 51, pi. 3, figs, la-t.— Billings, Trans. Ottawa Field Nat. Club., 1, 1881, p. 34.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 728, pi. 4, figs. 12, 12b; pi. 3, fig. 2. Eden (Southgate-McMicken): Cincinnati, Ohio, and vicinity. 722 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lichenocrlnus dubius Miller. Lichenocrinus dubius Miller, Jour. Cincinnati Soc. Nat. Hist., 3, 1880, p. 234, pi. 7, figs. 5, 5a. Eden (Economy): Cincinnati, Ohio. Observation. — Probably the same as L. crateriformis Hall. Lichenocrinus dyeri Hall. Lichenocrinus dyeri Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 216, pi. 7, figs. 1-6 (adv. sheets, 18G6, p. 9, and 1871, pi. 3, figs. 1-6).— Meek, Amer. Jour. Sci., 3d ser., 3, p. 15; Geol. Surv. Ohio, Pal., 1, p. 51, pi. 3, figs. 2, p 46.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 729, pi. 4, fig. 5. Maysville (Corryville): Cincinnati, Ohio, and vicinity. Lichenocrinus pattersoni Miller. Lichenocrinus pattersoni Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 118, pi. 10, figs. 6, 6a.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 729, pi. 4, figs. 4, 4a. Trenton (Upper): Covington, Kentucky. Lichenocrinus subeequalis Foerste. Lichenocrinus subaequalis Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 125, pi. 1, fig. 10; Bull. Sci. Lab. Denison Univ., 17, 1914, p. 478, pi. 2, fig. 6. Trenton (Upper): Near Rogers Gap, Kentucky. Lichenocrinus tuberculatus Miller. Lichenocrinus tuberculatus Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 346, fig. 38; Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 229, pi. 9, figs. 6, 6a.; N. A. Geol. Pal., 1889, p. 258, fig. 351.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 730, pi. 4, fig. 3. Richmond (Whitewater): Richmond, etc., Indiana; Clarksville, etc., Ohio. LICROPHYCUS Billings. Genotype: L. ottawaense Billings. Licrophycus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 99 (adv. sheets, 1862) —Miller, N. A. Geol. Pal., 1889, p. 125. Licrophycus flabelluni Miller and Dyer. Licrophycus fiabellum Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 25, pi. 2, fig. 4.— James, ibid., 14, 1892, p. 161. Inocaulis flabellum James, ibid., 7, 1884, p. 164, pi. 9, fig. 8.— Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, p. 191. Maysville (Corryville): Lebanon and Bantam, Ohio. Licrophycus formosum Billings. Licrophycus formosus Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 72. Richmond (English Head): English Head, Anticosti. Licrophycus hiltonense Billings. Licrophycus hiltonensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 101 (adv. sheets, 1862). Black River: Near Hilton, St. Joseph Island, Lake Huron. Licrophycus hudsonicum Billings. Licrophycus hudsonicus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 101 (adv. sheets, 1862). Richmond: Manitouwaning Bay, Lake Huron. Licrophycus minor BiHings. Licrophycus minor Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 100, fig. 88 (adv. sheets, 1862). Trenton: Ottawa, Ontario. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 723 Licrophycus ottawaense Billings. Licrophycus ottawaensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 99, fig. 87 (adv. sheets, 1862).— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 239 (loc. occ.). Licrophycus ottawense Miller, N. A. Geol. Pal., 1889, p. 125, fig. 49. Trenton: Ottawa, Peterboro, Belleville, and Lake Winnipeg, Canada. Licrophycus robustum Billings. Licrophycus robustus Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 72. Richmond (English Head): English Head, Anticosti. LICROPHYCUS SUCCULENS Billings. See Buthotrephis succulens. Licrophycus ragans Billings. Licrophycus vagans Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 72. Richmond: Near West End Lighthouse, Anticosti. LIMARIA Steininger. See Coanites Eichwald. Limaria tennessese Troost. Not recognized. Limaria Tennessese Troost, 6th Geol. Rep. Tennessee, 1841, p. 18. Niagaran: Brownsport, Tennessee. LIMOPTERA Hall. Genotype: L. macroptera Conrad.. Limoptera Hall, Prelim. Notice Lam., pt. 2, 1869, p. 15; 1st Rep. State Geol. New York, 1884, p. 13; Pal. New York, 5, pt. 1, Lam. 1, 1884, p. 13; 35th Rep. New York State Mus. Nat. Hist., 1884, p. 406c.— Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 1889, p. 197.— Miller, N. A. Geol. Pal., 1889, p. 486.— Koken, Die Leitfossilien, Leipzig, 1896, p. 187. Limoptera limseformis (Hall). Avicula limseformis Hall, Pal. New York, 2, 1852, p. 332, pi. 75, fig. 6a-c. Limoptera? limaeformis Clarke and Ruedemann, Bull. New York State Mus., 65, 1903, p. 423 (gen. ref.). Cayugan (Cobleskill): Schoharie, New York. LINDSTROMIA Nicholson and Thomson. Genotype: L. colunmaris Nicholson and Thomson. Lindstromia Nicholson and Thomson, Proc. Roy. Soc. Edinburgh, 9, 1876, p. 150. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1878, p. 80.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 395.— Miller, N. A. Geol. Pal., 1889, p. 194. — Freeh, Palseontographica, 37, 1890, p. 81. — Koken, Die Leitfossilien, Leipzig, 1896, p. 312.— Pocta, Syst. Sil. du Centre Boheme, 39, pt. 2, 1902, p. 182. Kionelasma Simpson, Bull. New York State Mus., 39, 1900, p. 207. (Genotype: Streptelasma mammiferum Hall.) Lindstrb'mia? columellata (Hall). Cyathaxonia columellata Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 415 (extras, 1882, p. 11). Niagaran (Racine): Racine, Wisconsin. Lindstromia gainesi (Davis). Cyathaxonia gainesi Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 104, figs. 1-6. Lindstrcemia gainesi Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 311 (gen. ref.). 724 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Linclstromia games! — Continued. Kionelasma gainesi Simpson, Bull. New York State Mus., 39, 1900, p. 208 (gen. ref.). Upper Medinan (Brassfield): Near Louisville, Kentucky. Lindstromla? herzerl (Hall). Cyathaxonia herzeri Hall, 12th Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1883, p. 275, pi. 15, fig. 14; 35th Rep. New York State Mus. Nat. Hist., 1884, p. .416 (ext. 1882, p. 12).— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 165, fig.— Miller, N. A. Geol. Pal., 1889, p. 180, fig. 159. Kionelasma herzeri Simpson, Bull. New York State Mus., 39, 1900, p. 208, fig. 25. Niagaran (Louisville): Louisville, Kentucky. Llndstromia lingulifera Foerste. Lindstrcemia lingulifera Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 311, pi. 5, figs. 2a-f. Clinton (Waco): Near Estill Springs, Panola, and Waco, Kentucky. Lindstromia whiteavesi Foerste. Lindstrcemia whiteavesi Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 312. Black River (Leray): Petite Chaudiere Rapids, Ottawa, Ontario. Llndstromia wisconsinensis (Whitfield). Cyathaxonia wisconsinensis Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 79; Geol. Wisconsin, 4, 1882, p. 277, pi. 14, figs. 3-5.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 188, fig. Lindstrcemia wisconsinensis Foerste, Bull. Geol. Surv. Kentucky, 7, 1906, p. 312 (gen. ref.). Niagaran (Racine): Racine, etc., Wisconsin. LINGULA Bruguiere. Genotype: L. anatina Lamarck. Lingula Bruguiere, Encyclopedic Me"thodique, 1, 1792, pi. 250.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 189.— Billings, Canadian Nat. Geol., 1, 1856, p. 33.— Pictet, Traite" de Pal., 2d ed., 4, 1857, p. 73.— Meek and Hayden, Smiths. Contr. Knowl., 14, 172, 1865, p. 68.— Hall, Pal. New York, 4, 1867, p. 5.— Ball, American Jour. Conch., 6, 1870, pp. 153, 154. — Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 9.— Meek, Hayden's U. S. Geol. Surv. Terr., 9, 1876, p. 7.— Dall, Bull. U. S. Nat. Mus., 8, 1877, p. 43.— Morse, Proc. Boston Soc. Nat. Hist., 19, 1878, p. 266.— Zittel, Handb. Pal., 1, 1880, p. 662.— Winchell, 8th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1880, p. 60.— Miller, N. A. Geol. Pal., 1889, p. 349.— Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 141.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 2, 161.— Beecher, Amer. Nat., 27, 1893, p. 599.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 338.— Koken, Die Leitfossilien, Leipzig, 1896, p. 228, fig. 187.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 226.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 78.— Beecher, ibid., 1897, p. 110, fig. 5.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 181.— Schuchert, Zittel- Eastman Textb. Pal., 1, 1900, p. 307.— Grabau, Bull. New York State Mus., 45, 1901, p. 178; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 178.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 194.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 890.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 374. Glossina Phillips, Mem. Geol. Surv. Great Britain, 2, pt. 2, 1848, p. 370.— Dall, Bull. U. S. Nat. Mus., 8, 1877, p. 29.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 15, 164; llth Ann. Rep. New York State Geol., 1894, p. 230. (Genotype: Lingula attenuate Sowerby.) Palseoglossa (Glossina, preoccupied) Cockerell, Nautilus, 25, 1912, p. 96. Pseudolingula Mickwitz, Bull. Imp. Acad. Sci. St. Petersburg, 1909, p. 765.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 374. (Genotype: Lingula quadrata Eichwald.) BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 725 LINGULA ACUMINATA Conrad. See Lingulella (Lingulepis) acuminata. LINGULA (GLOSSINA) ACUMINATA Hall and Clarke. See Lingulella (Lingulepis) acuminata sequens. Lingula acutlrostris Hall. Lingula acutirostra Hall, Geol. New York, Rep. 4th Dist., 1843, p. 77, fig. 9 on p. 76; Pal. New York, 2, 1852, p. 56, pi. 20, fig. 5. Clinton: Wolcott, New York. Observation. — Based upon a single specimen now lost (Schuchert). Lingula sequalis Hall. Lingula sequalis Hall, Pal. New York, 1, 1847, p. 95, pi. 30, fig. 3.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 203, pi. 8, fig. 3.— Walcott, Proc. U. S. Nat. Mus., 11, 1888, p. 480, fig. 3.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 342, figs.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 9, fig. 4. Trenton: Middleville, Trenton Falls, and Rome, New York. Plesiotype.—C&t. No. 25351, U.S.N.M. (Walcott). LINGULA ANTIQUA Rogers. See Obolus (Westonia) rogersi. LINGULA ANTIQUA Hall. See Lingulella (Lingulepis) acuminata. LINGULA ATTENUATA? Hall. See Lingula (Palseoglossa) trentonensis. LINGULA AURORA var. Hall. See Obolus (Westonia) stoneanus. Lingula (Pakeoglossa) belli (Billings). Lingula belli Billings, Canadian Nat., Istser., 4, 1859, pp. 431^32, figs. 7, 8; Geol. Surv. Canada, 15th Rep. Progress, 1863, figs. 47a-b, p. 124. Obolus belli Walcott, Mon. U. S. Geol. Surv. 51, pt. 1, 1912, p. 386, pi. 38, figs. 3a-b. Glossina belli Raymond, Ann. Carnegie Mus., 8, 1911, p. 216, pi. 33, fig. 1. Chazyan.— Island of Montreal, Canada (Aylmer); Valcour Island, New York (Valcour). Lingula beltrami Winchell and Schuchert. Lingula beltrami Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 351, figs. 25a, 25b. Richmond (Maquoketa): Spring Valley, Minnesota Holotype.—C&t. No. 45212, U.S.N.M. Lingula bicarinata Ringueberg. Lingula bicarinata Ringueberg, Proc. Acad. Nat. Sci. Philadelphia, 1884, p. 149, pi. 3, fig. 8.— Miller, N. A. Geol. Pal., 1889, p. 349. Clinton (Rochester): Lockport, New York. LINGULA cf . BILLINGSIANA Matthew. See Lingulella grandis. Lingula bisulcata Ulrich. Lingula bisulcata Ulrich, Amer. Geol., 3, 1889, p. 380, fig. 2. Eden (Economy): Ludlow, Kentucky. Plastolype.— Cat. No. 44997, U.S.N.M. Lingula boliviana Hoek. Lingula boliviana Hoek, Neues Jahrb. Min., Geol. Pal., 34, 1912, p. 244, pi. 8, fig. 3. Ordovician: Cochabamba, Bolivia Lingula brainerdi Raymond. Lingula brainerdi Raymond, Bull. American Pal., 3, 1902, p. 302, pi. 18, figs. 2, 3; Ann. Carnegie Mus., 7, 1911, p. 217, pi. 33, fig. 2. 726 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingula brainerdi — Continued. Lingula limitaris Seely, Rep. Vermont State Geol., n. s., 1, 1902, p. 145 (nom. nud.); ibid., 5, 1900, p. 183, pi. 41; reprint of same, p. 30, pi. 41; ibid., 7, 1910, pi. 51. Ohazyan (Day Point, Crown Point): Valcour Island, Crown Point, New York; South Hero and Isle La Motte, Vermont. Lingula briseis Billings. Lingula briseis Billings, Pal. Fossils, 1, Geol. Surv., Canada, 1865, p. 48, fig. 52 (adv. sheets, 1862); Geol. Canada, 1863, p. 161, fig. 136. Trenton: Near Oliviers Mills on the Bayonne River, Canada. Lingula(?) canadensis Billings. Lingula canadensis Billings, Pal. Foss., 1, 1865, p. 114, fig. 95 (adv. sheets, 1862); Geol. Canada, 1863, p. 210, fig. 209.— Davidson, Mon. British Foss. Brach., 5, Sil. Suppl., Pal. Soc., 1883, p. 202, pi. 17, fig. 1.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 27.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 352, fig. 26. Richmond (Charleton): Black Point, Anticosti. ?Trenton (Prosser): Mantorville and Hader, Minnesota. Lingula cincinnatiensis Hall and Whitfield. Lingulella (Dignomia) cincinnatiensis Hall and Whitfield, Pal. Ohio, 2, 1875, p. 67, pi. 1, figs. 2, 3. Lingulella cincinnatiensis Miller, Amer. Pal. Foss., 1877, p. 115; N. A. Geol. Pal., 1889, p. 352, fig. 577. Lingula cincinnatiensis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 244.— Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 127, pi. 2, figs. 2, 3. Maysville (Fairmount): Cincinnati, Ohio, and vicinity. Trenton (Upper): Near Rogers Gap; Kentucky. Lingula clathrata Winchell and Schuchert. Lingula clathrata Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 345, pi. 29, fig. 42. Black River (Decorah): St. Paul, Minnesota. Cotypes.—Gst. No. 45546, U.S.N.M. Lingula clintoni Vanuxem. Lingula oblonga Conrad (not Eichwald), 3d Ann. Rep. Geol. Surv. New York, 1839, p. 65.— Hall, Geol. New York, Rep. 4th Dist., 1843, p. 77, fig. 4; Pal. New York, 2, 1852, p. 54, pi. 20, fig. 1.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 823, fig. 629; Man. Geol., 1860, p. 107, fig. 4.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, figs. Lingula clintoni Vanuxem, Geol.. New York, Rep. 3d Dist., 1842, p. 79, fig. 4.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 197. Lingula suboblonga D'Orbigny, Prodrome Pal. Stratig., 1850, p. 34. Early Silurian Cayuga County, New York (Clinton); Pennsylvania; Hamilton, Ontario (Cataract); Arisaig, Nova Scotia. Lingula clochensis Foerste. Lingula cldchensis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 253, pi. 2, fig. lla, b. Black River (Lowville): La Cloche peninsula, Ontario. Lingula cobourgensis Billings. Lingula cobourgensis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 50, fig. 54 (adv. sheets, 1862); Geol. Canada, 1863, p. 161, fig. 132.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 346, pi. 29, fig. 12.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 195, fig. 228a-b. Trenton: Cobourg, Collingwood, and Ottawa, Canada; ?Minneapolis, Minnesota. BIBLIOGEAPHIC LIST OP GENERA AND SPECIES. 727 Llngula columba Raymond. Lingula columba Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 368; Ann. Carnegie Mus., 7, 1911, p. 218, pi. 33, figs. 3, 4. Chazyan (Day Point, Crown Point, Valcour): Chazy and Valcour Island, New York; Isle La Motte, Vermont. Lingula covingtonensis Hall and Whitfield. Lingula covingtonensis Hall and Whitfield, Pal. Ohio, 2, 1875, p. 67, pi. 1, fig. 1.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 8.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 911, pi. 34, fig. 7.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 22, pi. 5, figs. 5, 6. Trenton: West Covington (Upper part), and Frankfort, Kentucky (Hermitage). Lingula (PalsesGglossa) crassa (Hall). Lingula crassa Hall, Pal. New York, 1, 1847, p. 98, pi. 30, fig. 8.— Emmons, Amer. Geology, 1, pt. 2., 1855, p. 203, pi. 8, fig. 8.— Hitchcock, Geol. Vermont, 1, 1861, p. 292. Glossina crassa Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 343, figs.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 224. Trenton: Middleville and Lake Champlain, New York. Lingula cuneata Conrad. Lingula cuneata Conrad, 3d Ann. Rep. Geol. Surv. New York, 1839, pp. 63, 64.— Hall, Geol. New York, Rep. 4th Dist., 1843, p. 48, fig. 5; Pal. New York, 2, 1852, p. 8, pi. 4, fig. 2.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 300, fig. 5.— Emmons, Man. Geol., 1860, p. 106, fig. 96.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 12, pl.l, figs. 11, 12; pi. 4K, fig. 9.— Grabau, Bull. New York State Mus., 45, 1901, p. 178, fig. 81; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 178, fig. 81.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 197, fig. 230. Lingulella cuneata Miller, N. A. Geol. Pal., 1889, p. 352, fig. 578. Upper Medinan: Medina and Lockport, New York. Lingula curta Conrad. Lingula curta Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 266, pi. 15, fig. 12.— Hall, Pal. New York, 1, 1847, p. 97, pi. 30, fig. 6.— Emmons, Amer. Geology, 1, pt. 2, 1855, pi. 8, fig. 6.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 818, fig. 604.— Billings, Geol. Canada, 1863, p. 161, fig. 138; p. 201, fig. 197.— Emerson, Geol. Frobischer Bay; Nourse's Narr. Hall's Arctic Exped., App., 3, 1879, p. 578.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 343, fig.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 195. Trenton: East Canada Creek and Middleville, New York; Carlisle, etc., Penn- sylvania; Montmorency Falls, Canada; Frobischer Bay, Arctic America. LINGULA CYANE Billings. See Obolus cyane. LINGULA DAPHNE Billings. See Lingula (Palaeoglossa) trentonensis. LINGULA DAVISI McCoy. See Lingulella davisi. LINGULA (GLOSSINA) DEFLECTA Winchell and Schuchert. See Lingula Palseoglossa deflecta. Lingula (PalaBoglossa) deflecta (Winchell and Schuchert). Lingula (Glossina) deflecta Winchell and Schuchert, Amer. Geol., 9, 1892, p. 284; Geol. Minnesota, 3, 1893, p. 348, pi. 29, figs. 15-18. Glossma deflecta Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 224. Trenton (Prosser): Near Fountain, Minnesota. ?Richmond (Maquoketa): Spring Valley, Minnesota. LINGULA DOLATA Sardeson. See Obolus dolata. 728 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingula (Palseoglossa) dubia (D'Orbigny). Lingula dubia D'Orbigny, Voyage dans 1'Amerique Meridionale, 1842, p. 29, pl. 2, fig. 7. Glosaina dubia Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 224 (gen. ref.). Ordovician: Tacopaya, Bolivia. Lingula elder! Whitfield. Lingula elderi Whitfield, American Jour. Sci., 3d ser., 19, 1880, p. 472, figs. 1, 2; Geol. Wisconsin, 4, 1882, p. 345, pl. 27, figs. 1-5.— Chamberlin, ibid., 1, 1883, p. 154, fig.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 11, pl. 1, figs. 21, 22.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 339, pl. 29, figs. 1-4. — Huene, Verh. d. Russ.-Kais. Mineral. Ges. zu St. Petersb., 2d ser., 36, 1899, p. 333, fig. 16.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 196, figs. 221, 229c. Lingula minnesotensis N. H. Winchell, 8th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1880, p. 61. Black River: Rochester, Minneapolis, etc., Minnesota; Beloit, Wisconsin. Lingula (Pseudolingula) elegantula (Shaler). Lingula quadrata Billings (not Eichwald), Canadian Nat. Geol., 1, 1856, p. 319, fig. 8.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 820, fig. 615.— Billings, Geol. Canada, 1863, p. 161, fig. 131; Cat. Sil. Foss. Anticosti, 1866, p. 10. Lingula elegantula Shaler, Bull. Mus. Comp. Zool., 1, 1865, p. 61. Richmond (English Head) and Gamachian (Ellis Bay): English Head, Charleton Point, etc., Anticosti. Lingula ellipsiformis Hoek. Lingula ellipsiformis Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 245, pl. 8, fig. 4. Ordovician: Near Tarabuco, Bolivia. LINGULA ELLIPTICA Hall. See Lingula subelliptica. Lingula elliptica Emmons. Lingula elliptica Emmons (not Philips, 1836), Amer. Geology, pt. 2, 1855, p. 112.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 247. Ordovician shales: Augusta County, Virginia. Lingula elongata Hall. Lingula elongata Hall, Pal. New York, 1, 1847, p. 97, pl. 30, fig. 5.— Billings, Geol. Canada, 1863, p. 161, fig. 135.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 202, pl. 8, fig. 5.— Hitchcock, Geol. Vermont, 1, for 1861, 1862, p. 292, fig. 194.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 344, fig.— Whiteaves, Pal. Foss., 3, pt. 3, 1897, p. 165. Trenton: Lewis County New York; Lake Winnipeg, Manitoba; Ottawa, Ontario. Lingula eva Billings. Lingula eva Billings, Canadian Nat. Geol., 6, 1861, p. 150; Geol. Canada, 1863, p. 141, fig. 73.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 341, pl. 29, figs. 5, 6.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 196, figs. 229i-j. Black River: Murray Bay, Canada; Fremont, Winona County, Minnesota (Decorah). Plastotype.—Cat. No. 45547, U.S.N.M. Lingula forbesl Billings. Lingula Forbesi Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 115, fig. 96 (adv. sheets 1862). Richmond and Gamachian (English Head-Ellis Bay): English Head, Junction Cliff, etc., Anticosti. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 729 Lingula gibbosa Hall. Lingula gibbosa Hall, Description n. sp. Foss. Waldron, Indiana, 1879, p. 13; llth Rep. State Geol. Indiana, 1882, p. 284, pi. 27, fig. 2; Trans. Albany Institute, 10, 1883, p. 69.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 344, fig. Niagaran (Waldron): Waldron, Indiana; Newsom, Tennessee. Lingula howleyi Matthew. Lingula ho wleyi Matthew, Trans. Roy. Soc. Canada, 2d ser., 1, 1896, p. 259, pi. 1, fig. 3. Lower Ordovician: Kelleys Island, Conception Bay, Newfoundland. Observation. — Possibly the same as L. murrayi Billings. Lingula (Palseoglossa) hurlbuti (N. H. Winchell). Lingula hurlbuti N. H. Winchell, 8th Ann. Rep. Geol. Nat. Hist. Surv. Minne- sota, 1880, p. 62. Lingula (Glossina) hurlbuti Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 347, pi. 29, figs. 13, 14. Glossina hurlbuti Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 224. Trenton (Prosser): Mantorville and near Spring Valley, Minnesota. Plastotype.—Cat. No. 45213, U.S.N.M. Lingula huronensis Billings. « Lingula Huronensis Billings, Canadian Nat. Geol., 4, 1859, p. 433, fig. 9; Geol. Canada, 1863, p. 124, fig. 48.— Raymond, Ann. Carnegie Mus., 7, 1911, p. 219. Black River: St. Joseph Island, Lake Huron. Lingula ingens Spencer. Lingula ingens Spencer, Bull. Univ. State Missouri, 1884, p. 56; Trans. St. Louis Acad. Sci., 4, 1886, p. 606, pi. 8, fig. 6. Niagaran dolomite: Hamilton, Ontario. Lingula inornata Hoek. Lingula inornataHoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 244, pi. 8, fig. 2. Ordovician: Northern Argentina. Lingula insularis Billings. Lingula insularis Billings, Cat. Sil. Foss. Anticosti, 1866, p. 40. Gamachian (Ellis Bay): White Cliff, Gamache Bay, Anticosti. LINGULA IOLE Billings. See Lingulella iole. Lingula (Pseudolingula) iowensis (Owen). Lingula iowensis Owen, Geol. Rep. Iowa, Wisconsin, and Illinois, 1844, p. 70, pi. 15, fig. 1.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 8, pi. 1, fig. 14.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 349, pi. 29, figs. 19-22.— Whiteaves, Pal. Foss., 3, pt. 3, 1897, p. 164.— Huene, Verh. d. Russ.-Kais. Mineral. Ges. zu St. Petersb., 2d ser., 36, 1899, p. 337, fig. 17.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 196, fig. 229f-h. Lingula quadrata? Owen (not Eichwald), Geol. Rep. Wisconsin, Iowa, and Minnesota, 1851, pi. 2B, fig. 8. Lingula quadrata Hall, Geol. Wisconsin, 1, 1862, p. 46, fig. 1, and p. 435.— Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 305, pi. 2, fig. 4. Lingulella iowensis Whitfield, Geol. Wisconsin, 4, 1882, p. 242, pi. 9, fig. 1. Trenton (Prosser-Galena): Wisconsin; Iowa; Minnesota; Illinois; Lake Winni- peg, Manitoba. Plastotype and phsiotype.—Ca,t. Nos. 17873, 44995, U.S.N.M. 730 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. LINGULA IRENE Billings. See Lingulella Irene. LINGULA IRIS Billings. See Lingulella iris. Lingula kingstonensis Billings. Lingula Kingstonensis Billings, Geol. Surv. Canada, Pal. Fossils, 1, 1865, p. 48, fig. 51 (adv. sheets, 1862); Geol. Canada, 1863, p. 141, fig. 74. Black River: Long Island, near Kingston, Canada. LINGULA LAMELLATA Hall (part). See Lingula tseniola. Lingula lamella t a Hall. Lingula lamellata Hall, Geol. New York; Rep. 4th Dist., 1843, p. 108, fig. 2; Pal. New York, 2, 1852, p. 249, pi. 53, figs. 1, 2 (not p. 55, pi. 20, fig. 4=L. tamiola).— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 344, fig.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 16, pi. 1, figs. 9, 10; pi. 4K, figs. 10-13.— Crane, Geol. Mag., dec. 4, 1895, 2, pi. 5, fig. 5. Clinton (Rochester): Lockport and Rochester, New York; Hamilton, Ontario. LINGULA LENS Matthew. See Lingulella lens. LIN*ULA LIMITARIS Seely. See Lingula brainerdi. Lingula lineata Hoek. Lingula lineata Hoek, Neues Jahrb. Min., Geol. Pal., 34, 1912, p. 244, pi. 8, fig. 1. Ordovician: Near Tarabuco, Bolivia. Lingula lingulata Hall and Clarke. Lingula lingulata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 173, pi. 4K, fig. 5; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 327, pi. 1, fig. 2; 14th Rep. State Geol. New York for 1894, 1897, p. 327, pi. 1, fig. 2. Upper Medinan (Cataract): Hamilton, Ontario. Lingula lyelli Billings. Lingula Lyelli Billings, Canadian Nat. Geol., 4, 1859, p. 348, fig. 1, p. 431; Geol. Canada, 1863, p. 124, fig. 49.— Chapman, Canadian Jour. , n. s., 8, 1863, p. 195, fig. 165c; Expos. Min. Geol. Canada, 1864, p. 167, fig. 165c.— Raymond, Ann. Carnegie Mus., 7, 1911, p. 218, 33, figs. 5, 6. Chazyan (Aylmer): Allumette Island, Aylmer and Hog Back, near Ottawa, Canada. Lingula mantelli Billings. Lingula mantelli Billings, Canadian Nat. Geol., 4, 1859, p. 349, figs, le-lf; Geol. Canada, 1863, p. 113, fig. 20. Canadian (Beekmantown): St. Eustache, Canada. LINGULA? MANTTCULA White. See Lingulella manticula. LINGULA MARGINATA D'Orbigny. See Lingula submarginata. Lingula minima amerlcana Williams. Lingula minima var. americana Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 340, pi. 31, fig. 6. Silurian (Pembroke): Sipp's Bay, Washington County, Maine. Holotype.—C&t. No. 58973, U.S.N.M. LINGULA MINNESOTENSIS N. H. Winchell. See Lingula elderi. BIBLIOGRAPHIC LIST Or GENERA ASTD SPECIES. 731 Lingula modesta Ulrich. Lingula modesta Ulrich, Amer. Geol., 3, 1889, p. 382, fig. 4 on p. 378.— Winchell and Schuckert, Geol. Minnesota, 3, 1893, p. 344, pi. 29, fig. 41.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 196, fig. 229e.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 22, pi. 2, fig. 17. Lingula vanhorni Hall and Clarke (not Miller), Pal. New York, 8, pt. 1, 1892, pi. 1, fig. 4. Trenton: Frankfort (Hermitage) and Covington, Kentucky (upper part). Lingula morsel (N. H. Winchell). Lingulepis morsensis N. H. Winchell, 4th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1876, p. 41, fig. 6. — James, Jour. Cincinnati Soc. Nat. Hist., 17, 1895, p. 132. Lingulepis morsii Miller, N. A. Geol. Pal., 1889, p. 352. Lingula morsii Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 62. — Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 77, pi. 4, figs. 2, 3. Black River (Basal Platteville) : Near Fountain, Minnesota. LINGULA MOSIA Hall. See Lingulella mosia. Lingula miinsteri D'Orbigny. Lingula musterii D'Orbigiay, Voyage dans I'Amerique Meridionale, Pal., 1842, p. 29, pi. 2, fig. 6. Lingula miinsteri A. Ulrich, Neues Jahrb. Mineral., Beilageband, 8, 1892, p. 7. — Hoek, Neues Jahrb. Min., Geol. Pal., 34, 1912, p. 243, pi. 8, figs. 6-8. Ordovician: Tacopaya, etc., Bolivia. Lingula? murrayi Billings. Lingula murrayi Billings, Canadian Nat. Geol., n. s., 6, 1872, p. 467, fig. 3; Pal. Foss., 2, 1874, p. 66, fig. 34. Upper Cambrian or Lower Ordovician: Bell Island, Conception Bay, Newfound- land. Observation. — See Lingula howleyi Matthew. LINGULA NORWOODI James. See Lingulops norwoodi. Lingula nyinpha Billings. Lingula nympha Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 214, fig. 198.— Ami, Ottawa Nat., 8, 1894, p. 85. Chazyan (Quebec-N): Table Head, Newfoundland. Lingula oblata Hall. Lingula oblata Hall, Geol. New York; Rep. 4th Dist., 1843, p. 77, fig. 8 on p. 76; Pal. New York, 2, 1852, p. 54, pi. 20, fig. 2.— Owen, Amer. Jour. Sci. Arts, 48, p. 306, fig. 8.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 346, fig. Early Silurian: Sodus and Wolcott, New York (Clinton); Ontario (Cataract). LI¥GULA OBLONGA Conrad. See Lingula clintoni. Lingula obtusa Hall. Lingula obtusa Hall, Pal. New York, 1, 1847, p. 98, pi. 30, fig. 7.— BiHings, Geol. Canada, 1863, p. 161, fig. 137.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 202, pi. 8, fig. 7.— Hitchcock, Geol. Vermont, 1, for 1861, 1862, p. 292, fig. 195.— Chapman, Canadian Jour., n. s., 8, 1863, p. 203, fig. 199; Expoa. Min. and Geol. Canada, 1864, p. 175, fig. 199.— Davidson, Mon. British Sil. Brach. Pal. Soc., 1866, p. 52, pi. 3, fig. 31.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 346, figs.— Whiteaves, Pal. Foss., 3, pt. 3, 1897, p. 165. Trenton: Middleville, New York; Lake Winnipeg and Ottawa, Canada. 84243°— Bull. 92— vol 2—15 2 732 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingula? ovata Cleland. Lingula(?) ovata Cleland, Bull. Amer. Pal., 4, 1903, p. 19, pi. 4, fig. 3. Canadian (Tribes Hill): Fort Hunter, Tribes Hill, etc., New York. Lingula papillosa Emmons. Lingula papillosa Emmons, Amer. Geology, pt. 2, 1855, p. 202, fig. 64; Manual Geol., 1860, p. 99, fig.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, p. 346, figs. Trenton: ?New York. Lingula (Palaeoglossa) peroTata (Hall). Lingula perovata Hall, Pal. New York, 2, 1852, p. 55, pi. 20, fig. 3. Glossina perovata Schuchert, Bull'. U. S. Geol. Surv., 87, 1897, p. 224. Clinton: Rochester, New York. LINGULA PERPLEXA Hall. See Lingula subelliptica. Lingula perry! Billings. Lingula perryi Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 20, fig. 23 (adv. sheets, 1862); Geol. Vermont, 2, 1861, p. 957, fig. 363; Geol. Canada, 1863, p. 274, fig. 278. Black River(?): Highgate Spring, Vermont. Lingula philomela Billings. Lingula Philomela Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 49, fig. 53 (adv. sheets, 1862); Geol. Canada, 1863, p. 161, fig. 133.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 1, fig. 8.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 342, pi. 29, figs. 7, 8.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 145, pi. 9, fig. 7. Trenton: Montmorency Falls, Ottawa, etc., Canada; near Beaver Run, New Jersey. ?Richmond (Maquoketa): Near Granger and Wykoff, Minnesota. Plastotype.—C&t. No. 45211, U.S.N.M. LINGULA PINNAFORMIS Owen. See Lingulella (Lingulepis) acuminata. LINGULA PRIM A Rogers. See Obolus (Westonia) rogersi. LINGULA PRIMA Billings. See Lingulella (Lingulepis) acuminata. LINGULA PRIMA Hall. See Lingulella prima. Lingula procteri Ulrich. Lingula procteri Ulrich, Amer. Geol., 3, 1889, p. 377, fig. 1.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 12, pi. 1, figs. 5-7. Lingula cf. procteri Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 129, pl. 2, fig. 7. Trenton (upper): Covington, Rogers Gap, etc., Kentucky. Lingula proctcri versaillesensis Foerste. Lingula procteri versaillesensis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1912, p. 135, pl. 10, figs. 8a, b. Trenton (Flanagan): Versailles, Kentucky. Lingula progne Billings. Lingula progne Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 47, fig. 50 (adv. sheets, 1862); Geol. Canada, 1863, p. 161, fig. 134; p. 201, fig. 196. Trenton (Colling wood): Montreal, Collingwood, Ottawa, etc., Canada. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 733 LINGULA QUADRATA Billings. See Lingula (Pseudolingula) elegantula. LINQULA QUADRATA Hall. See Lingula (Pseudolingula) rectilateralig. LINGULA QUADRATA? Owen. See Lingula iowensis. Lingula quebecensis Billings. Lingula quebecensia Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 72, fig. 65; pp. 72, 216 (adv. sheets, 1862); Geol. Canada, 1863, p. 230, fig. 241.— Chapman, Canadian Jour., n. s., 8, 1863, p. 191, fig. 160c; Expos. Min. Geol. Canada, 1864, p. 163, fig. 160c. Canadian: Point Levis, Sillery, etc., Canada (Levis, Phyllograptus typus and Diplograptus dentatus zones); Cow Head, Newfoundland (Quebec-P). Lingula (Pseudolingula) rectilateralis (Emmons). Lingula rectilateralis Emmons, Geol. New York, Rep. 2d Dist., 1842, p. 399, fig. 6.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 347, figs.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 195, fig. 228c.— Ruede- mann, Bull. New York State Mus., 162, 1912, p. 91, pi. 4, fig. 1.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 254. Lingula quadrata Hall (not Eichwald), Pal. New York, 1, 1847, p. 96, pi. 30, fig. 4; p. 285, pi. 79, fig. 1.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 9. Utica: Rodman, Lorraine, etc.. New York. Lingula riciniformis Hall. Lingula riciniformis Hall, Pal. New York, 1, 1847, p. 95, pi. 30, fig. 2.— Emmons, Amer. Geology, 1, pt. 2, 1885, p. 203, pi. 8, figs. 2a-c.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 347, figs. — Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 149.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 343, fig. 24; pi. 29, fig. 9.— Crane, Geol. Mag., dec. 4, 1895, 2, pi. 5, fig. 7.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 144, pi. 9, fig. 8. Lingula (Glossina) riciniformis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 1, fig. 3. Trenton: Middleville, New York; Charlesbourg, Canada; St. Paul, Minnesota; Jacksonburg, New Jersey. Lingula riciniformis galenensis Winchell and Schuchert. Lingula riciniformis var. galenensis Winchell and Schuchert, Amer. Geol., 9, 1892, p. 284; Geol. Minnesota, 3, 1893, p. 344, pi. 29, figs. 10, 11. Trenton (Prosser): Near Kenyon and Fountain, Minnesota; NeenahandOshkosh, Wisconsin. Lingula scobina Williams. Lingula scobina Williams, Proc. U. S. Nat. Nat. Mus., 45, 1913, p. 339, pi. 30, fig. 18. Silurian (Pembroke): Leighton Cove, Washington County, Maine. Holotype.—C&t, No. 58967, U.S.N.M. Lingula selwyni \\Tiiteaves. Lingula Selwyni Whiteaves, Geol. Surv. Canada, Rep. Progr. for 1875-76, 1877, p. 103. Horizon unknown: Peace River, British Columbia. Lingula striata Emmons. Lingula striata Emmons, Amer. Geology, pt. 2, 1855, p. 112, pi. 1, fig. 17; Manual Geol., 1860, p. 88, fig. 74.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 348, figs.— Schuchert, Bull. U. S. Geol. Surv., 87, p. 254. Ordovician (Lower Martineburg) : Augusta County, Virginia. 734 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingula subelllptica D'Orbigny. Lingula elliptica Hall (not Phillips), Geol. New York, Hep. 4th Dist., 1843, p. 76, fig. 7.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 306, fig. 7. Lingula subelliptica D'Orbigny, Prodrome Pal., 1, 1850, p. 34. Lingula perplexa Hall, Miller's Amer. Pal. Fossils, 1877, p. 244.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 346, fig. Clinton: Walcott, New York. Lingula submarginata D'Orbigny. Lingula marginata D'Orbigny, Voyage dans PAmerique Meridionale, 3, pt. 4, Pal., 1842, p. 28, pi. 2, fig. 5; 8, Atlas, 1847. Lingula submarginata, D'Orbigny, Prodrome Pal., 1, 1850, p. 14. Ordovician: Tacopaya, Bolivia. LINGULA SUBOBLONGA D'Orbigny. See Lingula clintoni. Lingula tieniola Hall and Clarke. Lingula lamellata Hall (part), Pal. New York, 2, 1852, p. 55, pi. 20, fig. 4. Lingula tseniola Hall and Clarke, ibid., 8, pt. 1, 1892, pp. 18, 173, pi. 4K, fig. 8; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 327, pi. 1, fig. 4; 14th Rep. State Geol. New York for 1894, 1897, p. 327, pi. 1, fig. 4. Clinton: Clinton, New York; Hamilton, Ontario. LINGULA (GLOSSINA) TRENTONENSIS Grabau and Shimer. See Lingula (Palseoglossa) trentonensis. Lingula (Palseoglossa) trentonensis (Conrad). Lingula trentonensis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 266, pi. 15, fig. 11.— Vanuxem, Geol. New York; Rep. 3d Dist., 1842, p. 48. Lingula attenuata? Hall (not Sowerby), Pal. New York, 1, 1847, p. 94, pi. 30,. fig. 1. Lingula daphne Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 50 (adv. sheets 1862). ?Lingula attenuata A. Ulrich, N. Jahrb. f. Mineral, Beilageband, 8, 1892, p. 7, pi. 1, fig. 3. Lingula (Glossina) trentonensis Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 195. Glossina trentonensis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 225. Trenton: Glens Falls, Trenton Falls, Middleville, New York; Wisconsin; Mon- treal and Ottawa, Canada; ?near Vacas, Bolivia. LINGULA VANHORNI Hall and Clarke. See Lingula modesta. Lingula vanhorni Miller. Lingula vanhorni Miller, Cincinnati Quart. Jour. Sci., 2, 1S75, p. 9, fig. 1; 18th Rep. Geol. Surv. Indiana, 1894, p. 309.— Foerste, Amer. Geol., 31, 1903, p. 340 (loc. occ.). Richmond: Versailles, Indiana. Lingula waynesboroensis Foerste. Lingula waynesboroensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1910, p. 23, pi. 2, fig. 18; pi. 5, fig. 7. Trenton (Hermitage): Near Waynesboro, and Clifton, Tennessee. Lingula whitfleldi Ulrich. Lingula whitfieldi Ulrich, Amer. Geol., 3, 1889, p. 381, fig. 3.— Foerste, Jour. Cin- cinnati Soc. Nat. Hist., 21, 1914, p. 128, pi. 2, fig. 8. Trenton (Upper): Covington, Rogers Gap, etc., Kentucky. Plastotype.—C&t. No. 44996, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 735 LINGULASMA Ulrich. Genotype: L. schucherti Ulrich. Lingulasma Uiricli, Amer. Geol., 3, 1889, p. 383.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 24, 46, 163.— Winchell and Schuchert, Geol. Minne- sota, 3, 1893, p. 353.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 335.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 308; 2d ed., 1913, p. 374.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 198.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 891. Lingulelasma Miller, N. A. Geol. Pal., 1889, p. 351. Lingulasma galenense Winchell and Schuchert. Lingulasma galenensis Winchell and Schuchert, Amer. Geol., 9, 1892, p. 285; Geol. Minnesota, 3, 1893, p. 354, pi. 30, figs. 1^.— Weller, Geol. Surv. New Jersey, Pal., 3, p. 145, pi. 9, figs. 10-11.— Grabau and Shiraer, N. A. Index Fossils, 1, 1907, p. 199, fig. 233. Trenton: Fillmore and Goodhue Counties, Minnesota; Decorah, Iowa; Neenah and Oshkosh, Wisconsin; near Newton, New Jersey. Plastotypes.—Gat. No. 45195, U.S.N.M. Lingulasma schucherti Ulrich. Lingulasma schucherti Ulrich, Amer. Geol., 3, 1889, p. 389, fig. 5.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 24, pi. 2, figs. 17-23. Lingulelasma schucherti Miller, N. A. Geol. Pal., 1889, p. 351. Richmond: Wilmington (Fern vale) and Savannah (Maquoketa), Illinois. Plastotype.—Q&t. No. 45194, U.S.N.M. LINGULELASMA SCHUCHERTI Miller. See Lingulasma schucherti. LINGULELLA Salter. Genotype: Lingula davisi McCoy. Linguiclla Salter, Mem. Geol. Surv. Great Britain, 3, 1866, p. 333.— Davidson, Mon. British Sil. Brach., Pal. Soc., 1866, p. 55.— Ball, Amer. Jour. Conch., 6, 1870, pp. 153, 159.— Zittel, Handb. Pal., 1, 1880, p. 663.— Miller, N. A. Geol. Pal., 1889, p. 352.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 55, 163; llth Ann. Rep. New York State Geol., 1894, p. 232.— Walcott, Proc. U. S. Nat. Mus., 21, 1898, pp. 390-394, pi. 27, figs. 1-5; 23, 1901, p. 683.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 307; 2d ed., 1913, p. 372.— Matthews, Trans. Roy. Soc. Canada, 2d ser., 8, sec., 4, 1910, p. 103; Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 116. — Walcott, Smiths. Misc. Coll., 53, 1908, pp. 142, 144; Mon. U. S. Geol. Surv., 51, 1912, p. 469. Lingulepis Hall, 16th Ann. Rep. New York State Cab. Nat. Hist., 1863, p. 129.— Meek and Hayden, Smiths. Contr. Knowl., 172, Pal. Upper Missouri, pt. 1, 1865, pp. 1, 2.— Hall, Trans. Albany Inst., 5, 1867, p. 106.— Ball, Amer. Jour. Conch., 2d ser., 6, pt. 2, 1870, pp. 154-161.— Meek, Proc. Acad. Nat. Sci. Philadelphia, 23, 1871, pp. 186-187.— Zittel, Handb: Pal., 1, Abth. 1, 1880, p. 664.— Hall and Clarke, llth Ann. Rep. State Geol. New York, 1892, pp. 231-232; 45th Ann. Rep. New York State Mus., 1892, pp. 547-548; Pal. New York, 8, pt. 1, 1892, pp. 59-62, 164.— Matthews, Trans. Roy. Soc. Canada, 1902, 2d ser., 8, sec. 4, No. 3, p. 102; Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 126. — Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 193. (Genotype Lingula acuminata Conrad.) Lingulella (Lingulepis) Walcott, Smiths. Misc. Coll., 53, pi. 11, pp. 142, 144; Mon. U. S. Geol. Surv., 51, 1912, p. 544. Obolus (Lingulepis) Walcott, Mon. U. S. Geol. Surv., 32, pt. 2, 1899, pp. 443-144; Proc. U. S, Nat. Mus., 23, 1901, p. 683. 736 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingulella (Lingulepis) acuminata (Conrad). Lingula acuminata Conrad, 3d Ann. Rep. New York Geol. Surv., 1839, p. 64. — Hall, Pal. New York, 1, 1847, p. 9, fig. Lingula prima Billings, Canadian Nat., Istser., 1, 1856, p. 34, fig. 1. Lingula antiqua Hall, Pal. New York, 1, 1847, pp. 3, 4, pi. l,figs. 3a-e. — Emmons, Manual Geology, 2d ed., 1863, p. 92, fig. 77. Lingulepis acuminata Matthew, Trans. Roy. Soc. Canada, 2d ser., 1, sec. 4, No. 13, 1895, pp. 257-258, pi. 2, figs. 5a-b. Obolus (Lingulepis) acuminatus Walcott, Mon. U. S. Geol. Surv., 32, pt. 2, 1899, p. 443. Lingula pinnaformis Owen, Rep. Geol. Surv. Wisconsin, Iowa, Minnesota, 1852, p. 583, pi. Lb, figs. 4, 6, 8. Lingulepis pinnaformis "Wliitfield, U. S. Geogr. and Geol. Surv. Rocky Mts. region, Rep. Geol. Res. Black Hills of Dakota, 1880, p. 335, pi. 2, figs. 1-4; Geol. Wisconsin, 4, 1882, pp. 169-170, pi. 1, figs. 2, 3. Lingulepis pinniformis Hall and Clarke, llth Ann. Rep. State Geol. New York, 1892, figs. 237, 238, p. 232; pi. 1, figs. 16, 17.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 193, fig. 227. Lingulella (Lingulepis) acuminata Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 545, pis. 34, 40-42 (see for complete bibliography); Smiths. Misc. Coll., 57, 1912, p. 262, pi. 42, figs. 1-7. Middle Cambrian-Lower Ordovician: Chateaugay Falls, Franklin County, etc., New York; Vermont; Ontario; Virginia; Tennessee; Wisconsin; Minnesota; etc. Plenotypes.— Oat. Nos. 52469, 51878, 17999, U.S.N.M. Lingulella (Lingulepis) acuminata sequens Walcott. Glossina acuminata Hall and Clarke (not Conrad), llth Ann. Rep. State Geol. New York for 1891, 1892, pi. 1, figs. 10, 11. Lingula (Glossina) acuminata Hall and Clarke (not Conrad), Pal. New York, 8, pt. 1, 1892, pi. 1, figs. 1, 2. Lingulella (Lingulepis) acuminata sequens Walcott, Smiths. Misc. Coll., 53, 1908, p. 72, pi. 8, fig. 4; Mon. U. S. Geol. Surv., 51, 1912, p. 551, figs. 46A, B. Canadian (Beekmantown) : Near Ticonderoga, Essex County, New York. Holotype and plesiotype.—C&t. No. 53675, U.S.N.M. LINGULELLA? APFINIS Billings. See Obolus (Lingulobolus) afiinis. Lingulella? allani Walcott. Lingulella? allani Walcott, Smiths. Misc. Coll., 57, 1912, p. 232, pi. 35, figs. 7-9. Lower Ordovician (Goodsir): Moose Creek Valley, Mount Mollison, Ice River Valley, etc., British Columbia. Lingulella bella (Walcott). Obolus (Lingulella) bellus Walcott, Proc. U. S. Nat. Mus., 21, 1898, pp. 397-398; ibid., 23, 1901, pp. 685-687.— Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 204. Lingulella bella Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 481, pi. 19, figs. 2, 2a-q; pi. 36, fig. 4. Upper Cambrian and Lower Ordivician: Near Lance Cove, Great Belle Island, Conception Bay, Newfoundland. Holotype and paratypes.—Csit. No. 27308, U.S.N.M. LINGULELLA? BILLINGSANA Schuchert. See Lingulella grandis. LINGULELLA (DIGNOMIA) CINCINNATIENSIS Hall and Whitfield. See Lingula cincin- natiensis. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 737 Lingulella concinna Matthew. Lingulella concinna Matthew, Bull. Nat. Hist. Soc. New Brunswick, 4, pt. 4, No. 19, 1901, pp. 273-274, pi. 5, figs. 2a-b.— Walcott, Mon. IT. S. Geol. Surv., 51, 1912, p. 486, pi. 33, figs. 2a-h; pi. 34, figs. la-r. Obolus (Lingulella) bellus Walcott, Proc. U. S. Nat. Mm, 23, 1901, p. 685. Obolus (Linguella) concinnus Walcott, Proc. U. S. Nat. Mm, 25, pp. 608, 609. Lingulella concinna Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, pp. 203-204, pi. 14, figs. 5a, b. Canadian (Bretonian— Div. C3c): McNeil Brook, Barachois Glen, etc., Cape Breton, Nova Scotia. LINGULELLA CUNEATA Matthew. See Lingulella grandis. Lingulella davisi (McCoy). Lingula davisi McCoy, Quart. Jour. Geol. Soc. London, 8, 1851, pp. 405-406; British Pal. Foss., 1854, p. 252, pi. 2, figs. 7a-b. Lingulella davisii Davidson, Brit. Foss. Brach., 3, pt. 7, No. 1, 1866, pp. 56, 57, pi. 4, figs. 1-16.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 56, 57, fig. 18.— Hoek, Neues Jahrb. Geol., Min. Pal., 34, 1912, p. 219. Lingulella cf. davisii Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 203; Bull. Nat. Hist. Soc. New Brunswick, 4, pt. 5, No. 20, 1902, pp. 407, 408. Lingulella davisi Walcott, Mon. U.£. Geol. Surv., 51, 1912, p. 489, pi. 30, figs. 2, 2a; pi. 31, figs. 6a-h. (See for complete bibliography.) Ordovician (Coniston — Bala): Coniston, Lancashire, England. Upper and lower Lingula flags of North Wales. Canadian: McLeod Brook, near Boisdale, Cape Breton, Nova Scotia (Bretonian— Div. C3c2); Bolivia. Pksiotypes.—G&t. Nos. 35239, 51740, U.S.N.M. Lingulella desiderata (Walcott). Obolus (Lingulella) desiderata Walcott, Proc. U. S. Nat. Mus., 21, 1898, pp. 399, 400; Mon. U. S. Geol. Surv., 32, pt. 2, pp. 445, 446, pi. 40, fig. 2 (not 2a). Lingulella desiderata Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 492, pi. 20, figs. 4a-c, 5, 5a. Lower Ordovician: Near Colorado Springs, El Paso County, Ouray County, etc., Colorado. Also Upper and Middle Cambrian of Montana, etc. Eolotype and plesiotypes.—C&t. Nos. 27355, 33867, etc., U.S.N.M. Lingulella ellsi (Walcott). Obolus (Lingulella) ellsi Walcott, Proc. U. S. Nat. Mus., 21, 1898, p. 402. Lingulella ellsi Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 495, pi. 19, figs. 3, 3a-c. Canadian ("Upper Sillery"): Chaudiere River at Grand Trunk Railroad bridge, Quebec. Holotype and paratypes.—C&t. No. 27315, U.S.N.M. LINGULELLA(?) ESCASONI Matthew. See Obolus (Westonia) escasoni. Lingulella (Lingulepis) exigua (Matthew). Obolus (Lingulepis) gregwa Walcott (in part) (not Matthew), Proc. U. S. Nat. Mus., 23, 1901, pp. 692-694. Lingulepis starri var. Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, pp. 193-197, pi. 14, figs. 2a-c. Lingulepis starri exigua Matthew, ibid., 1903, pp. 197, 198, pi. 14, figs. 3a-d. 738 BULLETIN 92, UNITEE> STATES NATIONAL MUSEUM. Lingulella (Lingulepis) exigu a— Continued. Lingiilella (Lingulepis) exigua Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 551, pi. 33, figs. 4, 4a; pi. 43, figs. 1-lz. Canadian (Bretonian — Div. C3b): Salmon River, thirteen miles south of Marion Bridge, Cape Breton, Nova Scotia. Llngulella ferruginea Salter. Lingiilella ferruginea Salter, Quart. Jour. Geol. Soc. London, 23, pt. 1, 1867, . p. 340, fig. 1.— Davidson, Geol. Mag., 5, 1868, pp. 306-307, pi. 15, figs. 1-8; British Foss. Brach., 3, pt. 7, No. 4, 1871, pp. 336-337, pi. 49, figs. 32-35.— Matthew, Geol. Surv. Canada, Eep. Cambrian Rocks Cape Breton, 1903, p. 108. —Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 496, pi. 29, figs, la-w, 2a-f; pi. 30, fig. 1; pi. 31, figs. 3a-c; pi. 35, figs. 4a-b. (See for complete bibliography.) Obolella? gemmula Matthew, Trans. Roy. Soc. Canada, 9, sec. 4, 1892, pp. 41-42, pi. 12, figs. 8a-c. Leptobolus gemmulus Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, pp. 190-192, pi. 14, figs. la-c. Middle and Upper Cambrian of Wales, Norway, Denmark, etc. Canadian (Bretonian — Div. C3c): Navy Island, St. John Harbor, New Brunswick, and McLeod Brook, near Boisdale, €ape Breton, Nova Scotia. Lingiilella grandis (Matthew). Leptobolus grandis Matthew, Trans. Roy. Soc. Canada', 1st ser., 11, sec. 4, 1894, pp. 91-92, pi. 16, figs. 7a-€. Limgulella cuneata Matthew, ibid., 1st ser., 11, sec. 4, 1894, pp. 92-93, pi. 16, figs. 5a-b. Lingula cf. billingsiana Matthew, ibid., 1st ser., 11, sec. 4, 1894, p. 93, pi. 16, figs. 6a-b. lingulella? billingsana Schuchert (not Whiteaveg), Bull. U. S. Geol. Surv., 87, 1897, p. 256. Lingulella grandis Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 502, pi. 38, figs. 2, 2a-f. Canadian (Bretonian — Div. C3c): Hardingville, St. John County, New Bruns- wick. Lingulella lole (Billings). Lingula lole Billings, Pal. Geol. Surv. Canada, Fossils, 1, 1865, p. 215, fig. 199. Lingulella iole Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 508, pi. 27, figs. 5, 5a. Chazyan (Quebec — P): Four miles northeast of Portland Creek, Newfoundland. LINGULELLA IOWENSIS Whilfield. See Lingula iowensis. Lingulella Irene (Billings). Lingula irene Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 71, fig. 64 (adv. sheets, 1862); Geol. Canada, 1863, p. 230, fig. 240. Lingulella irene Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 257.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 508, pi. 27, fig. 6, 6a. Canadian (Levis, Didymograptus and Diplograptus dentatus zones): Point Levis, Quebec. Llngulella Iris (Billings). Lingula iris Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 301, fig. 290. Lingulella iris Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 509, pi. 27, fig. 2. Ozarkian? (Levis-erratic) : Point Levis, Quebec. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 739 Lingulella laevis Matthew. Lingulella laevis Matthew, Trans. Roy. Soc. Canada, 9, 1892, p. 39, pi. 12, figs. 4a, 4b.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 512, pi. 19, figs. 4, 4a, b. Canadian (Bretonian — Div. C3a): St. John Harbor, St. John, New Brunswick. Lingulella laevis grandis Matthew. Lingulella laevis grandis Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks, Cape Breton, 1903, pp. 200-201, pi. 15, figs, la-d.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 512, pi. 19, fig. 4c. Canadian (Bretonian — Div. C3a): Escasonie Shore, East Bay, Cape Breton, Nova Scotia and St. John, New Brunswick. LINGULELLA L/EVIS LENS Matthew. See Lingulella lens. Lingulella lens (Matthew). Lingula? lens Matthew. Bull. Nat. Hist. Soc. New Brunswick, 4, pt. 4, 1901, pp. 274-275, pi. 5, figs. 3a-h. Obolus (Lingulella) bellus Walcott, (part), Proc. U. S. Nat. Mus., 23, 1901, pp. 685-687. Obolus (Lingulella) lens Walcott, ibid., 25, 1902, pp. 606-607. Lingulella Isevis lens Matthew, Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, pp. 201-203, pi. 15, figs. 3a-h. Lingulella lens Matthew, ibid.' 1903, pp. 205-206.— Walcott, Mon. IT. S. Geol. Surv., 51, 1912, p. 512, pi. 33, figs. la-d. Canadian (Bretonian— Div. C3a?) : McAdam Shore, East Bay, Cape Breton, Nova Scotia. Lingulella lepls (Salter). Lingula lepis Salter, Murchison's Siluria, 3d ed., p. 543.— Davidson, British Foss. Brach., 3, pt. 7, No. 1, 1866, p. 54, pi. 3, figs. 53-59; British Foss. Brach., 3, pt. 7, 1871, pi. 69, figs. 31, 31a.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 514, pi. 31, figs. 4a-f. (See for complete bibliography.) Lingulella cf. lepis Matthew, Geol. Sun-. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 204. Lower Ordovician: Ceratopyge limestone and Dictyonema shales of Norway and Sweden; Upper Tremadoc of Wales. Canadian (Bretonian— Div. C3a and C3c) : Cape Breton, Nova Scotia, and St. John Basin, St. John County, New Brunswick. Plesiotypes.—G&t. Nos. 51741, 51742, U.S.N.M. LINGULELLA MAERA Walcott. See Obolus maera. Lingulella manticula (White). Lingula? manticula White (part), U. S. Geog. Surv. W. 100th Mer., Prelim. Rep. Invert. Fossils, 1874, pp. 9, 10; ibid., 4, pt. 1, 1877, p. 52, pi. 3, fig. 2b. Lingulella manticula Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 517, pi. 20, figs. 1, la-c. Lower Ordovician (Pogonip): Eureka District, Eureka County and WTiite Pine County, Nevada. Also Upper and Middle Cambrian of Utah and Nevada. Holotype and plesiotype.—C&t. Nos. 8569, U.S.N.M. LINGULELLA? MATINALIS Walcott. See- Obolus matinalis. Lingulella minor (Matthew). Lingulella starri minor Matthew, Trans. Roy. Soc. Canada, 9, sec. 4, 1892, pp. 58-59, pi. 40, figs. 5a-b. 740 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingulella minor — Continued. Lingulella minor Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 519, pi. 37, figs. 3-3g. Canadian (Bretonian — Div.CSb) : Long Island, Kennebecasis Bay, St. John County, New Brunswick. LINGULELLA MINUTA Schuchert. See Linnarssonella minuta. Lingulella moosensls Walcott. Lingulella moosensis Walcott, Smiths. Misc. Coll., 57, 1912, p. 232, pi. 35, figs. 1-G. Lower Ordovician (Goodsir): Ice River Valley and Mollison Creek, near Lean- choil, British Columbia. Lingulella mosia (Hall). Lingula mosia Hall, 16th Ann. Rep. New York State Cab. Nat. Hist., 1863, p. 126, pi. 6, figs. l-3a; Trans. Albany Inst., 5, 1867, pp. 102-103, pi. 1, figs. l-3a.— Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, pt. 1, 1896, p. 95. Lingulella mosia Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 520, pi. 18, figs. la-f. Ozarkian (Oneota): St. Croix River, Wisconsin and Minnesota. Also Upper Cambrian of Minnesota, Iowa, etc. Plesiotypes.—G&t. Nos. 27370, 27371, U.S.N.M. Lingulella pogonipensis (Walcott). " Obolus (Lingulella) pogonipensis Walcott, Proc. U. S. Nat. Mus., 21, 1898, pp. 411, 412. Lingulella pogonipensis Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 525, pi. 20, figs. 3, 3a-c. Lowest Ordovician (?Upper Cambrian): Eureka District, Eureka County, Ne- vada. Also Upper Cambrian of Utah and Arizona. Holotype and paratypes.—Qzt. No. 27332, U.S.N.M. Lingulella prim a (Hall). Lingula prima (Conrad MS.) Hall, Pal. New York, 1, 1847, p. 3, pi. 1, fig. 2. Lingulella prima Walcott, Smiths. Misc. Coll., 57, 1912, p. 262, pi. 41, figs. 8-11. Upper Cambrian or Ozarkian (Potsdam): Essex County, New York. Plesiotype.—Vzt. No. 27435, U.S.N.M. LINGULELLA ROGERSI Grabau. See Obolus (Westonia) rogersi. LINGULELLA? SPISSA Billings. See Obolus (Lingulobolus) spissus. LINGULELLA STARRI MINOR Matthew. See Lingulella minor. LINGULELLA STONEANA Whitfield. See Obolus (Westonia) stoneanus. LINGULEPIS of authors. See Lingulella subgenus Lingulepis. LINGULEPIS ACUMINATA Matthew. See Lingulella (Lingulepis) acuminata. LINGULEPIS AFFINIS Walcott. See Obolus (Lingulobolus) affinis. LINGULEPIS MAERA Hall and Whitfield. See Obolus maera. LINGULEPIS MATINALIS Hall. See Obolus matinalis. LINGULEPIS? MINUTA Hall and Whitfield. See Linnarssonella minuta. LINGULEPIS MORSENSIS Winchell. See Lingula morsei. LINGULEPIS MORSII Hall and Clarke. See Lingula morsei. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 741 LINGULEPIS PINNAFORMIS Hall. See Obolus inatinalis. LINGULEPIS PINNAFORMIS Whitfield. See Lingiilella (Lingulepis) acuminata. LINGULEPIS STARRI var. Matthew. See Lingulella (Lingulepis) exigua. LINGULEPIS STARRI EXIGUA Matthew. See Lingulella (Lingulepis) exigua. LINGULOBOLUS Matthew. See Obolus subgenus Lingulobolua. LINGULOBOLUS AFFINIS Matthew. See Obolus (Lingulobolus) affinis. LINGULOPS Hall. Genotype: L. whitfieldi Hall. Lingulops Hall, Notes on some New or Imperfectly Known Forms among the Brachiopoda, 1871, p. 2; ibid., 1872, p. 2, pi. 13, figs. 1, 2; 23d Rep. New York State Cab. Nat. Hist., 1873, p. 244, pi. 13, figs. 1, 2.— Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, p. 164.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 18, 46, 163; llth Ann. Hep. New York, State Geol., 1894, p. 233.— Miller, N. A. Geol. Pal., p. 352.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 308; 2d ed., 1913, p. 374.— Clarke, Archives Mus. Nac. Rio de Janeiro, 10, author's Eng. ed., 1900, p. 6. Lingulops cliftonensis Foerste. Lingulops cliftonensis Foerste, Jour. Geol., 11, 1903, p. 38. Richmond (Fernvale): Clifton, Tennessee. Lingulops derby i Clarke. Lingulops derbyi Clarke, Archivos Mus. Nac. Rio de Janeiro, 10, author's Eng. ed., 1900, p. 5, pi. 1, fig. 4. — Katzer, Grunds. d. Geol. d. unt. Amazonas., Leipzig, 1903, pi. 16, fig. 2. Silurian: Rio Trombetas, Brazil. Lingulops grant! Hall and Clarke. Lingulops granti Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 19, 173, pi. 4K, figs. 14, 15; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 328, pi. 1, figs. 7, 8; 14th Rep. State Geol. New York for 1894, 1897, p. 328, pi. 1, figs. 7, 8. Niagaran dolomite: Hamilton, Ontario. Plastotype.—Ga,t. No. 45197, U.S.N.M. Lingulops illinolsensis Savage. Lingulops illinoisensis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. Ill, pi. 7, figs. 3, 4. Upper Medinan (Channahon): Will County, Illinois. Lingulops norwoodi (James). Lingula norwoodi James, Cincinnati Quart. Jour. Sci., 2, 1875, p. 10, fig. 2; Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 235, pi. 10, fig. 1.— Miller, N. A. Geol. Pal., 1889, p. 350, fig. 574. Lingulops Norwoodi Huene, Verh. d. Russ.-Kais. Min. Ges. St. Petersb., 2d ser., 36, 1899, p. 336, fig. 3.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 19, pi. 2, figs. 24-26.— Hayes and Ulrich, U. S. Geol. Surv., folio 95, ill. -sheet, 1903, fig. 35. Trenton (upper) : West Covington, Kentucky. Lingulops ovata Savage. Lingulops ovata Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 45, pi. 1, figs. 7, 8. Upper Medinan (Girardeau) : Near Thebes, Illinois. 742 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lingulops whltfleldl Hall. Lingulops wliitfieldi Hall, Notes on some New or Imperfectly Known Forms among the Brach., 1872, p. 2, pi. 13, fig. 12; 23d Rep. New York State Cab. Nat. Hist., 1873, pi. 13, figs. 1, 2. — Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, p. 164, pi. 19, fig. 9.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 19, pi. 2, figs. 27-30.— Crane, Geol. Mag., dec. 4, 2, 1895, pi. 15, fig. 6. Richmond (Maquoketa) : Near Lattners, Dubuque County, Iowa. Plastotype.—C&t. No. 45196, U.S.N.M. Linipora Troost. Genotype: L. rotunda Troost. Linipora Troost, 5th Geol. Rep. Tennessee, 1840, p. 64. Linipora rotunda Troost. Not recognizable. Linipora rotunda Troost, 5th Geol. Rep. Tennessee, 1840, p. 64. Silurian: Near Brownsport, Tennessee. LINNARSSONELLA Walcott. Genotype: L. girtyi Walcott. Linnarssonella Walcott, Proc. U. S. Nat. Mus., 25, 1902, pp. 601-602; Smiths. Misc. Coll., 53, pi. 11, pp. 142-146; Mon. U. S. Geol. Surv., 51, 1912, p. G65. Linnarssonella mtnuta (Hall and Whitfield). Lingulepis? minuta Hall and Whitfield, King's U. S. Geol. Expl. 40th Parl., 4, 1877, p. 206, pi. 1, figs. 3, 4.— Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 13. Obolella? minuta Walcott, Amer. Jour. Sci., 4th ser., 3, 1897, p. 404; Walcott, Mon. U. S. Geol. Surv., 32, pt. 2, 1899, p. 443. Lingulella minuta Schuchert, Bull. U. S. Geol. Surv., 1897, 87, p. 257. Acrotreta minuta Walcott, Proc. U. S. Nat. Mus., 23, 1901, p. 673. Linnarssonella minuta W7alcott, Proc. U. S. Nat. Mus., 25, 1902, pp. 603, 604; Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 667, pi. 79, figs. 2, 2a-b. Lowest Ordovician: White Pine District, Nye County, Nevada. Upper Cambrian: Eureka District, Nevada. Plesiotypes—G**,. No. 24553, U.S.N.M. LINNARSSONIA Walcott. See Acrotreta Kutorga. LINNARSSONIA pRETiosA Dawson and Hinde. See Acrothele pretiosa. LIOCLEMA Ulrich. Genotype: Callopora punctata Hall. Leioclema Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, pp. 141, 154.— Miller, N. A. Geol. Pal., 1889, p. 310.— Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 376, 425.— Rominger, Amer. Geol., 6, 1890, p. 119. Lioclema Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 33.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 165; Bull. New York State Mus., 45, 1901, p. 165.— Ulrich and Bassler, Smiths. Misc. Col., 47, 1904, p. 38.— Bassler, U. S. Geol. Surv., 292, 1906, p. 32; Bull. U. S. Nat. Mus., 77, 1911, p. 246. Lioclema asperum (Hall). Callopora aspera Hall, Pal. New York, 2, 1852, p. 147, pi. 40, figs. 4a-i. Leioclema asperum Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 416, 425. Lioclema aspera Grabau, Bull. New York State Mus., 45, 1901, p. 165, fig. 63; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 165, fig. 63.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 32, 33, pi. 11, figs. 1-3; pi. 24, figs. 14-16. Clinton: Lockport, Rochester, etc., New York; Grimsby, Ontario (Rochester); Osgood, Indiana (Osgood). Plesiotypes.—^i. 35504, U.S.N.M. BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 743 Lloclema clrclnctum Bassler. Lioclema circinctum Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 34, pi. 13, figs. 11-14. Clinton (Rochester) : Lockport, New York. Holotype.—Czt. No. 35509, U.S.N.M. Lloclema explanatum Bassler. Lioclema explanatum Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 33, pi. 13, figs. 8-10; pi. 26, fig. 4. Clinton: Rochester, New York (Rochester); Osgood, Indiana (Osgood). Cotypes.— Cat. No. 35503, U.S.N.M. Lloclema? exsul (Hall). Alveolites exsul Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 9, figs. 3, 4. Callopora exsul Hall, ibid., mus. ed., 1879, p.115, pi. 9, figs. 3, 4; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 238, pi. 8, figs. 3, 4.— Miller, N. A. Geol. Pal., 1889, fig. 463 (p. 295). Lioclema? exsul Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 303. Niagaran (Waldron): Waldron, Indiana. LIOCLEMA FLORIDA Grabau. See Nicholsonella florida. Lioclema globulare Bassler. Lioclema globulare Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 35, pi. 27, figs. 18, 19. Clinton (Rochester) : Lockport, New York. Holotype.—Cat. No. 35771, U.S.N.M. LIOCLEMA (?NICHOLSONELLA) LAMINATUM Nickles and Bassler. See Fistulipora laminata. Lioclema multiporum Bassler. Lioclema multiporum Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 34, pi. 11, figs. 4-6; pi. 23, fig. 18; pi. 27, fig. 20. Clinton: Lockport, Rochester, etc., New York; Hamilton and Grimsby, Ontario (Rochester); Waldron, Indiana (Osgood). Cotypes— Cat. Nos. 35501, 35764, U.S.N.M. Lioclema peculiare Bassler. Lioclema peculiare Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 35, 36, pi. 23, figs. 19-22; pi. 25, fig. 13. Clinton: Lockport, etc., New York (Rochester); Osgood, Indiana (Osgood). Cotypes.— Cat. No. 35770, U.S.N.M. Lloclema pulchellum Ulrich and Bassler. Lioclema pulchellum Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 274, pi. 43, figs. 9-12. Helderbergian (Keyser): Keyser, West Virginia. Holotype.—Csit. No. 53646, U.S.N.M. Lioclema ramulosum Bassler. Lioclema ramulosum Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 35. pi. 11, figs. 11-13; pi. 25, figs. 9, 10. Clinton: Lockport, New York; Grimsby, Ontario (Rochester); near Waldron, Indiana (Osgood). Cotypes.— Cat. No, 35508, U.S.N.M. 744 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lloclema subramosum Ulrich and Bassler. Lioclema eubramosum Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 273, pi. 43, figs. 1-4; pi. 44, fig. 5. Helderbergian (Keyser): Keyser, West Virginia; Cash Valley, Maryland. Cotypcs.— Cat. No. 53647, U.S.N.M. Lloclema varlporum (Billings). Helopora varipora Billings, Cat. Sil. FOBS. Anticosti, 1866, p. 40. Anticostian (Jupiter River): East Point, east of Jupiter River, etc., Anticasli. Lloclema wilmingtonense Ulrich. Leioclema wilmingtonense Ulrich, Geol. Surv. Illinois, 8, 1890, p. 426, pi. 34, figs. 4-4b. Monticulipora wilmingtonense J. F. James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 76. Richmond (Fern vale): Wilmington, Illinois. Figured sections of holotype.—C&t. No. 43776, U.S.N.M. LIOCLEMELLA Foerste. Genotype: Callopora ohioensis Foerste. Lioclemella Foerste, Geol. Surv., Ohio, 7, 1895, p. 600.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 33.— Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, p. 39.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 36; Bull. U. S. Nat. Mus., 77, 1911, p. 249. Lloclernella annullfera (Whitfield). Trematopora annulifer Whitfield, Ann. Rep. Geol. Surv. Wisconsin for 1877, 1878, p. 67; Geol. Surv. Wisconsin, 4, 1882, p. 254, pi. 11, figs. 15-17.— Buel, Trans. Wisconsin Acad. Sci., 5, 1882, p. 187. Batostomella annulifera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 141. Lioclemella annulifera (Ulrich) Foerste, Geol. Surv. Ohio, 7, 1895, p. 600. Richmond: Delafield and Iron Ridge, Wisconsin (Maquoketa); Eaton, Ohio. Lioclemella fuslformls (Whitfield). Chaetetes fusiformis Whitfield, Ann. Rep. Geol. Sur. Wisconsin for 1877, 1878, p. 70; Geol. Sur. Wisconsin, 4, 1882, p. 248, pi. 11, figs. 13, 14.— Buel, Trans. Wisconsin Acad. Sci., 5, 1882, p. 191. Monticulipora (Chsetetes) fusiformis Chamberlin, Geol. Wisconsin, 1, 1883, p. 172, fig. Lioclemella fusiformis (Ulrich) Foerste, Geol. Sur. Ohio, 7, 1895, p. 600. Richmond (Maquoketa): Iron Ridge, Wisconsin. Lioclemella maccombl Bassler. Lioclemella maccombi Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 36, pi. 11, figs. 7-10; pi. 25, figs. 5-7. Clinton: Lockport, Lewiston, and Niagara Falls, New York; Grimsby and Hamil- ton, Ontario (Rochester); Osgood, Indiana (Osgood). Cotypes.—C&t. No. 35535, U.S.N.M. Lioclemella nltlda (Ulrich). Trematopora? nitida Ulrich, Geol. Sur. Illinois, 8, 1890, p. 419, pi. 34, figs. 2-2f. Lioclemella nitida (Ulrich) Foerste, Geol. Sur. Ohio, 7, 1895, p. 600. Richmond: Savannah, Illinois (Maquoketa); Charleton Point, etc., Anticosti (Charleton). Cotypes.— Cat. No. 43778, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 745 Lioclemella ohloensis (Foerste). Callopora ohioensis Foerste, Bull. Sci. Lab. Denison Univ., 2, 1887, p. 174; ibid., 3, 1888, pi. 16, fig. 6. Lioclemella ohioensis Foerste, Geol. Sur. Ohio, 7, 1895, p. 600, pi. 29, fig. 6.— Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 39, pi. 12, figs. 6-9. Upper Medinan (Brassfield): Dayton and Centerville, Ohio. Plesiotypes.— Cat. No. 44063, U.S.N.M. Lioclemella solidlssima (Whitfield). Fistuliporasolidissima Whitfield, Ann. Rep. Geol. Sur. Wisconsin for 1877, 1878, p. 69; Geol. Sur. Wisconsin, 4, 1882, p. 255, pi. 11, 18, 19.— Buel, Trans. Wisconsin Acad. Sci., 5, 1882, p. 188. Lioclemella solidissima Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 308. Richmond (Maquoketa): Delafield and Iron Ridge, Wisconsin; Savannah, Illinois. Lioclemella subfuslformls (James). Monticulipora (?Monotrypa) subfusiformis James, Paleontologist, No. 6, 1882, p. 52; ibid., No. 7, 1883, pi. 1, 1. Monticulipora fusiformis (not of Whitfield) James and James, Jour., Cincinnati Soc. Nat. Hist, 11, 1888, p. 26.— J. F. James, ibid., 18, 1895, p. 83. Lioclemella subfusiformis Nickles and Bassler, BuJl. U. S. Geol. Surv., 173, 1900, p. 308.— Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 42, pi. 7, figs. 4-7. Richmond (Waynesville) : Warren and Clinton Counties, Ohio; Indiana and Kentucky. LIOSPIRA Ulrich and Scofield. Genotypes: Pleurotomaria micula Hall and P. americana Billings. Pleurotomaria and Raphistoma (part) of many authors. Liospira Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 953.— Koken, Neues Jahrb. f. Min. Geol. Pal., 1, 1898, p. 18.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 950.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 640.— Dall, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 525. Liospira abrupta Ulrich and Scofield. Liospira abrupta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 995, pi. 82, figs. 35-38. Stones River (Murfreesboro): Murfreesboro, Tennessee. Black River: High Bridge, Kentucky; Minneapolis and Chatfield, Minnesota. Cotypes.— Cat. No. 46060, U.S.N.M. Liospira afflnis (Foerste). Raphistoma affinis Foerste, Bull. Sci. Lab. Denison Univ., 1885, p. 95, pi. 14, fig. 18; Geol. Surv. Ohio, Pal., 7, 1893, p. 550, pi. 26, fig. 18; pi. 37A, figs. la-c. Liospira cf. affine Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 95, pi. 6, fig. 5. Upper Medinan: Near Dayton, and Clinton County, Ohio; Summerville, Georgia (Brassfield); Pike County, Missouri, and Calhoun County, Illinois (Edgewood) Liospira americana (Billings). Pleurotomaria (or Raphistoma) lenticularis (part) of American authors. (Not Sowerby.) Pleurotomaria americana Billings, Can. Nat. Geol., 5, 1860, p. 164, fig. 7; Geol. Canada, Geol. Surv. Canada, 1863, p. 184, fig. 179; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 17 (loc. ref.). 746 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Liospira americana — Continued. Liospira americana Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 191.— Schuchert, Proc. U. S. Nat. Mua., 22, 1900, p. 165.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 31, pi. 2, fig. 7. Stones River — Richmond: Ottawa, Montreal, etc., Canada; Manitoba; Baffin Land; Minnesota (Trenton); Lebanon and Maury Counties, Tennessee (Stones River and Black River); Island of Anticosti, etc. (Richmond). Liospira angulata Ulrich. Liospira angulata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1000, pi. 69, fige. 42-46. Black River (Lowville): Mercer County, Kentucky. Cotypes.— Cat. No. 45869, U.S.N.M. Liospira angustata Ulrich and Scofield. Liospira angustata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 997, pi. 68, figs. 35-37; pi. 69, figs. 1-2.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 192. Black River and Trenton: Minneapolis, Minnesota (Platteville); Fillmore County, Minnesota (Prosser); Inmost Island, Lake Winnipeg. Cotypes.— Cat. No. 45870, U.S.N.M. Liospira convexa Ulrich and Scofield. Liospira convexa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 998. Stones River (Ridley): Rutherford County, Tennessee. Cotypes.— Cat. No. 47804, U.S.N.M. Liospira decipens Ulrich. Liospira decipens Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 998, pi. 82, figs. 39-41. Raphistoma decipiem Miller, N. A. Geol. Pal., 2d App., 1897, p. 770 (gen. ref.). Stones River (Murfreesboro) : Murfreesboro, Tennessee. Eolotype.—Csit. No. 45871, U.S.N.M. Liospira docens (Billings). Pleurotomaria docens Billings, Canadian Nat. Geol., 4, 1859, p. 452, figs. 27-29; Geol. Canada, Geol. Surv. Canada, 1863, p. 132, figs. 63a-c.— Lesley, Rep. Geol. Surv. Pennsylvania, 4, 1889, p. 707, figs. — Raymond, Ann. Carnegie Mus., 4, 1908, p. 176. Liospira docens Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994 (gen. ref.).— Raymond, Ann. Carnegie Mus., 4, 1908, p. 193. Stones River (Pamelia): Near L'Original, Canada. Liospira eugenia (Billings). Pleurotomaria eugenia Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 30, figs. 29-31 (adv. sheets 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 144, figs. 87a-c.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 708, figs. Liospira eugenia Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994 (gen. ref.)-— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 640, fig. 872. Black River: St. Joseph Island, Lake Huron. Liospira heleiia (Billings). Pleurotomaria helena Billings, Canadian Nat. Geol., 5, 1860, p. 165, fig. 8; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 17 (loc. ref.). Liospira helena Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994 (gen. ref.). Richmond and Gamaehian: Cape Smyth, Manitoulin Island; Charleton Point and Macasty Bay, Anticosti. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 747 Liospfra larvata (Salter). HelicotomalarvataSalter, Geol. Surv. Canada, dec. 1, 1859, p. 15, pi. 2, figs. 11-14. Liospira larvata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994 (gen. ref.). Helicotoma(?) (Liospira?) larvata Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 166. Mohawkian: Allumette Island, Ottawa River, Canada (Black River-Leray) ; Baffin Land. Liospira micula (Hall). Pleurotomaria micula Hall, Geol. Rep. Wisconsin, 1862, p. 55, fig. 1. Raphistoma micula James, J. F., Amer. Geol., 5, 189^ p. 355. Liospira micula Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994, pi. 68, figs. 24-29.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 182, pi. 12, figs. 24, 25.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 640, figs. 871a-d. Trenton- Richmond : Wisconsin, Illinois, Iowa, Minnesota (Maquoketa); Ken- tucky, Ohio, Indiana, Tennessee, etc.; New Jersey, etc. Plesiotypes.—Cat. No. 45872, U.S.N.M. (Ulrich and Scofield). Liospira modest a Ulrich. Liospira modesta Ulrich, Geol. Minnesota, 3, pt. 2, 1897, pi. 82, figs. 42-44. Black River (Decorah): Chatfield, Minnesota. Holotype.—Cat. No. 45873, U.S.N.M. Liospira(?) mundula Ulrich. Liospira(?) mundula Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 999, pi. 69, figs. 37-41.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 642, figs. 875a, b. Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. Trenton: Mercer County and Danville, Kentucky. Cotypes.— Cat. No. 45874, U.S.N.M. Liospira numeria (Billings). Pleurotomaria numeria Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 229, figs. 213a, b. Liospira numeria Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 994 (gen. ref.). Canadian (Quebec — G): Cape Norman, Newfoundland. Liospira obtusa Ulrich and Scofield. Liospira obtusa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1807, p. 997, pi. 68, figs. 30-34. Black River (Platteville) : Minneapolis, Minnesota; Dixon, Illinois; Beloit, Wisconsin. Cotypes.— C&t. No. 45875, U.S.N.M. Liospira perlata (Hall). Pleurotomaria perlata Hall, Pal. New York, 2, 1852, p. 349, pi. 84, figs. 5a-c.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 193, fig.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 22; ibid., pt. 2, 1895, p. 75. Liospira perlata (Ulrich) Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 332 (gen. ref.). Pleurotomaria solarioides Billings, Geol. Canada, 1863, p. 341, figs. 347a, b. — Lesley, Geol. Survey Pennsylvania, Rep. P 4, 1889, p. 715, figs. Niagaran (Guelph): Gait, Ontario; Wisconsin. 84243°— Bull. 92— vol 2—15 3 748 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Llosplra persimilis Ulrich. Liospira persimilis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 998, pi. 68, figs. 45-47.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 192 (loc. occ.). Trenton: Hartsville, Tennessee (Catheys); Reindeer Island, Lake Winnipeg. .— Cat. No. 45876, U.S.N.M. Liospira prseyia (Whitfield). Raphistoma praevium Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 52, pi. 8, figs. 5-7.— Koken, Neues Jahrb. f. Min., Geol. Pal., 6, Beilage-Band, 1889, p. 478.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, ]889, p. 851, figs. Liospira prsevium Ulrfch and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 993 (gen. ref.). Canadian (Beekmantown) : Beekmantown, New York. Liospira progne (Billings). Pleurotomaria Progne Billings, Canadian Nat. Geol., 5, 1860, p. 163, fig. 6; Geol. Canada, Geol. Surv. Canada, 1863, p. 181, fig. 176.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 714, figs. Liospira progne Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 996, pi. 48, figs. 38-44. — Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 640, fig. 871e-g. Stones River-Trenton: Ottawa, Montreal, Belleville, etc., Canada (Trenton); Murfreesboro and Lebanon, Tennessee (Stones River and Black River); Kentucky; Minnesota; etc. Plesiotypes.—C*t. Nos. 45877-45880, U.S.N.M: Liospira rugata Ulrich. Liospira rugata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 999, pi. 69, figs. 33-36. Richmond (Arnheim): Lincoln County, Kentucky. Holotype.—Vzt. No. 45881, U.S.N.M. Liospira strigata Collie. Liospira strigata Collie, Bull. Geol. Soc. America, 14, 1903, p. 419, pi. 59, figs. 8, 9. Canadian (Beekmantown): Bellefonte, Pennsylvania. Liospira subconcava Ulrich. Liospira subconcava Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 999, pi. 69, figs. 30-32. Stones River (Murfreesboro): Near Murfreesboro, Tennessee. .— Cat. No. 46061, U.S.N.M. Liospira subtilistriata (Hall). Pleurotomaria subtilistriata Hall, Pal. New York, 1, 1847, p. 172, pi. 37, figs. 5a-d.~ Emmons, Amer. Geology, 1, pt. 2, 1855, p. 233, pi. 6, figs. 11, 12.— Ford and Dwight, Amer. Jour". Sci. Arts, 3d ser., 31, 1886, p. 253, pi. 7, figs. 1, 10a-i.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 717, figs. Raphistoma subtilistriata Miller, N. A. Geol. Pal., 1889, p. 425 (gen. ref.). Liospira subtilistriata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 944 (gen. ref.).— Ruedemann, Bull. New York State Mus., 49, 1901, p. 33. Trenton: Watertown, etc., New York. Liospira vitruvia (Billings). Pleurotomaria Vitruvia Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 171. Liospira vitruvia Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 995, pi. 69, figs. 3-8.— Cumings, 32d, Ann. Rep. Dep. Geol. Nat. Res. Indiana, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 749 Liospira vitruvia — Continued. 1908, p 965, pi. 40, figs. 14, 14b.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 641, figs. 871h-k.— Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 139. Black Biver— Richmond: Pauquette's Rapids, Ottawa River, etc., Canada (Black River); New York; Ohio; Kentucky * Tennessee; Iowa; Wisconsin; Minne- sota, etc. Plesiotypes.—C&t. Nos. 45882-45884, U.S.N.M. LIOSTRACUS HAGUEI Brogger. See Ptychoparia haguei. LIOSTRACUS? JERSEYENSIS Weller. See Solenopleura jerseyensis. LISANIA Walcott. Genotype: Anomocarella? bura Walcott. Lisania Walcott, Smiths. Misc. Coll., 57, No. 4, 1911, pp. 82, 83; Cambrian Faunas of China, Ofcrnegie Inst., 3, 1913, p. 163. Lisania? hisingeri (Billings). Dikelocephalus Hisingeri Billings, Pal. Fosa., 1, Geol. Surv. Canada, 1865, p. 196, fig. 182. Conocephalites hisingeri Matthew, Trans. Roy. Soc. Canada, 10, sec. 4, 1893, p. 11, footnote. Lisania? hisingeri Walcott, Smiths. Misc. Coll., 57, No. 13, 1914, p. 351 (gen. ref.). Ozarkian? (Levis-erratic) : Point Levis, Quebec. IISSATRTPA Twenhofel. Genotype: L. atheroidea Twenhofel. Lissatrypa Twenhofel in Holtedahl, 2d Arct. Exp. Fram, 1898-1902, No. 32, 1914, p. 24.— Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 31. Lissatrypa atheroidea Twenhofel. Lissatrypa atheroidea (Twenhofel MS.) Holtedahl, 2cl Arct. Exp. "Fram," 1898- 1902, No. 32, 1914, p. 24.— Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 33, pi. 1, figs. 11-15. Anticostian (Gun River, Jupiter River): Jupiter River, etc., Anticosti. Lissatrypa phoca (Salter). Rhynchonella phoca Salter, Sutherland's Jour. Voyage Baffin's Bay, etc., 2, 1852, p. 226, pi. 5, figs. 1-3. Atrypa phoca Haughton, Journ. Geol. Soc. Dublin, 1, 1859, p. 240, pi. 5, figs. 3, 4, 7.— Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 576.— Wood- ward, Geol. Mag., dec. 2, 5, 1878, p. 389, pi. 10, fig. 8.— Lambe, Cruise of the "Arctic " in 1908-9, 1910, p. 481.— Lee, Proc. Roy. Phys. Soc. Edinburgh, 18, 1912, p. 258. Hindella phoca Ami, Cruise of the "Neptune," App., 1906, p. 329. Lissatrypa phoca Holtedahl, 2d Arct. Exp. "Fram, "1898-1902, No. 32, 1914, p. 25, pi. 7, fig. 13. Silurian: Cape Riley, Seal Islands, Bessels Bay, etc., Arctic America. Lissatrypa scheii Holtedahl. Lissatrypa scheii Holtedahl, 2d Arct. Exp. "Fram," 1898-1902, No. 32, 1914, p. 24, pi. 7, figs. 9-12. Helderbergian (Lower beds): Seal Bay, etc., Southwestern Ellesmereland, Arctic America. LITHODENDRON DiCHOTOMUM Eaton. See Buthotrephis gracilis. Lithodictuon Conrad. Genotype: L. beckii Conrad. Lithodictuon Conrad, 1st Ann. Rep. New York Geol. Surv., 1837, p. 167, footnote. Observation. — Not recognized. Founded on sand fillings in sun cracks. 750 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lithodictuon beckii Conrad. Lithodictuon Beckii Conrad, 1st Ann. Rep. New York Geol. Surv., 1837, p. 167, footnote. Dictuolites beckii Hall, Nat. Hist. New York, Geol. ,4, 1843, p. 48, pi. 1, fig. 1; ibid., Pal. New York, 2, 1852, p. 6, pi. 3, fig. 1. Dictyophyton becki Miller, N. A..-Geol. Pal., 1889, p. 158 (gen. ref.). Upper Medinan: Near Medina, New York. LITHOSTROTION SxcKESi Edwards and Haime. See Columnaria (Palaeophyllum) stokesi. LITOCERAS Hyatt. Genotype: L. whiteavesi Hyatt. Litoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 268.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 774.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 474. ^ Litoceras biangulatum Hyatt. Litoceras biangulatum Hyatt, Proc. Amer. Phil. Soc. 32, 1894, p. 479. Canadian (Quebec) : Point Rich, Newfoundland. Litoceras hercules (Billings). Nautilus hercules Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 306; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 23 (loc. ref.). Litoceras? hercules Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 480. Richmond (Charleton) : Charleton Point, Anticosti. Litoceras insigne (Whiteaves). Apsidoceras insigne Whiteaves, Trans. Roy. Soc. Canada, 7, sec. 4, 1890, p. 82, pi. 17. Litoceras insigne Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 125. Richmond (Stony Mountain) : Stony Mountain, Manitoba. Litoceras? insolens (Billings). Nautilus insolens Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 258. Litoceras insolens? Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 476. Chazyan (Quebec — L): Point Rich and Gargamelle Cove, west coast Newfound- land. LITOCERAS VERSUTUM Hyatt. See Litoceras whiteavesi. Litoceras versutum (Billings). Nautilus versutus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 258. Canadian (Quebec — H): Bonne Bay, Newfoundland. Litoceras whiteavesi Hyatt. Litoceras versutum Hyatt (not Billings), Proc. Boston Soc. Nat. Hist., 22, 1884, p. 268. Litoceras whiteavesi Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 475. Canadian (Quebec): Point Rich and Gargamelle Cove, Newfoundland. LITTORINA ANTIQUA Hall. See Holopea antiqua. LITTORINA CANCELLATA Hall. See Strophostylus cancellatus. LITUITES Montfort. Genotype: L. lituus Montfort. Lituites Montfort, Conch. Syst., 1, 1808, p. 279.— Quenstedt, Neues Jahrb. f. Min., etc., 1840, p. 276.— D'Orbigny, Prodr. de Pal., 1, 1849, p. 1.— Saemann, Palseontographica, 3, 1852, pp. 159, 163.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 630.— McCoy, British Pal. Rocks Foss., 1854, p. 323.— Barrande, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 751 LITUITES— Continued. Neues Jahrb. f. Min., etc., 1854, p. 6, pi. 1, fig. 3.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 146.— Barrande, Bull. Soc. Geol. France, 2d ser., 12, 1855, p. 158.— Billings, Canadian Nat. Geol., 2, 1857, p. 136.— Chapman, Canadian Jour., n. s., 8, 1863, p. 23; Expos. Min. Geol. Canada, 1864, p. 131.— Bar- rande, Syst. Sil. du Centre Boheme, 2, 1867, pt. 1, p. 168; Cephalopodes, Ext. Syst. Sil. du Centre Boheme, 1877, p. 107.— Koninck, Ann. d. Mus. Roy. Hist. Nat. de Belgique, 2, 1878, p. 82.— Angelin, Fragmenta Silurica, 1880, p. 8.— Remele, Zeits. d. d. geol. Gesell., 32, 1880, p. 434.— Blake, Mon. British Foss., Cephalopoda, 1882, p. 66.— Noetling, Zeits. d. d. geol. Gesell., 34, 1882, pp. 156, 189.— Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 267, footnote. — Noetling, Jahrb. d. k. Preuss.geol. Landesans. u. Bergak. fiir 1883, 1884, p. 129.— Zittel, Handb. Pal., 2, 1884, pp. 376, 377.— Holm, Pal. Abhandl., Dames and Kayser, 3, Heft 1, 1885, p. 24.— Miller, N. A. Geol. Pal., 1889, p. 442.— Holm, Geol. Foren. Stockholm Forhandl., 13, 1891, p. 438.— Schroder, Pal., Abhandl. von Dames u. Kayser, Neue Folge, 1, Heft 4, Jena, 1891, p. 43.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 506.— Koken, Die Leitfossilien, Leipzig, 1896, p. 50, fig. 35. Observation. — This genus is apparently unrepresented in American strata, and all references to it by American authors are probably erroneous. LITUITES AMERICANUS Miller. See Barrandeoceras americanum. LITUITES AMMONIUS James. See Trocholites ammonius. LITUITES APOLLO Billings. See Eurystomitea apollo. * LITUITES BAERI James. See Gyroceras baeri. LITUITES BICKMOREANUS Whitfield. See Plectoceraa bickmoreanum. LITUITES CANCELLATUM McChesney. See Nautilus? cancellatum. • LITUITES CAPAX Hall. See Nautilus capax. LITUITES CIRCULARIS James. See Trocholites circularis. LITUITES COMPLANATA Shumard. See Aphetoceras complanatum. LITUITES CONVOLVANS Hall. See Barrandeoceras americanum. LITUITES EATONI Whitfield. See Schroederoceras eatoni. LITUITES EATONI CASSINENSIS Whitfield. See Schroederoceras cassinense. LITUITES FARNSWORTHI Billings. See Aphetoceras farnsworthi and Tarphyceras farnsworthi. LITUITES GRAFTONENSIS Meek and Worthen. See Discoceras graftonense. LITUITES HERCULES Winchell and Marcy. See Protophragmoceras hercules. LITUITES (OPHIDIOCERAS?) HERCULES CARROLLENSIS Kindle and Breger. See Pro- tophragmoceras hercules carrollensis. LITUITES IMPERATOR Billings, See Eurystomites imperator. LITUITES INTERNASTRIATUS Whitfield. See Trocholites internaatriatus. LITUITES? MAGNIFICUM Billings. See Apsidoceras magnificum. LITUITES MARSHII Hall. See Discoceras marshi. 752 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. LITUITES MULTICOSTATUS Whitfield. See Discoceras graftonense. Lituites murchisoni Troost. Not recognized. Lituites murchisoni Troost, 6th Geol. Hep. Tennessee, 1841, p. 175. Ordovician: Washington County, Tennessee. Lituites?? niagarensis Spencer. Lituites niagarensis Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 69, pi. 7, fig. 9; Trans. Acad. Sci. St. Louis, 4, 1884, p. 610, pi. 7, fig. 9. Niagaran dolomite: Hamilton, Ontario. Observation.— Poorly defined and figured. „ LrrurrES ORTONI Meek. See Discoceras ortoni. LITUITES PALINURUS Billings. See Schrcederoceras palinurus. LrrurrES PLANORBIPORMIS James. See Trocholites planorbiformis. Lituites?? pluto Billings. Lituites Pluto Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 259. Chazyan (Quebec — L): Point Rich, Newfoundland. LITUITES ROBERTSONI Hall. See Eurystomites robertsoni. LITUITES SEELYI Whitfield. See Tarphyceras seelyi. LITUITES UNDATUS Hall. See Plectoceras halli and P. undatum. LITUITES UNDATUS var. OCCID.ENTALIS Hall. See Plectoceras undatum occidentale. LLOYDIA Vogdes. Genotype: Bathyurus bituberculatus Billings. Lloydia Vogdes, Bull. U. S. Geol. Surv., 63, 1890, p. 97; Cal. Acad. Sci., Occ. Pap., 4, 1893, p. 320.— Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 66. Lloydia bituberculatus (Biljings). Bathyurus bituberculatus Billings, Canadian Nat. Geol., 5, 1860, p. 319, fig. 22; Geol. Canada, Geol. Surv. Canada, 1863, p. 238, fig. 270; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 410, fig. 391. Lloydia bituberculatus Vogdes, Bull. U. S. Geol. Surv., 63, 1890, p. 97.— Ray- mond, Bull. Victoria Memorial Mus., 1, 1913, p. 67, pi. 7, fig. 15. Ozarkian? (Levis — erratics) : Point Levis, Quebec. Lloydia oblongus (Billings). Bathyurus oblongus Billings, Canadian Nat. Geol., 5, 1860, p. 321, fig. 25; Geol. Canada, Geol. Surv. Canada, 1863, p. 238, fig. 268 (fig. only); Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 412, fig. 394. Lloydia oblongus Raymond, Bull. Victoria Memorial Mus., 50, 1913, p. 68. Ozarkian? (Levis — erratics): Point Levis, Quebec. Lloydia saffordi (Billings). Bathyurus Saffordi Billings, Canadian Nat. Geol., 5, 1860, p. 320, fig. 24; ibid., 6, 1861, p. 313, figs. 1, 2; Geol. Canada, Geol. Surv. Canada, 1863, p. 239, figs. 274a, b. — Chapman, Canadian Jour., n. s., 8, 1863, p. 29, fig. 142a; p. 192, fig. 162; Expos. Min. Geol. Canada, 1864, p. 137, fig. 142a; p. 164, fig. 162.— Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 259, figs. 241a, b; p. 411, fig. 393. Lloydia saffordi Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 67, pi. 7, fig. 16. Canadian (Beekmantown) : Phillipsburg and Point Levis, Quebec; Cowhead, Newfoundland. BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 753 Lloydia solitarlus (Billings). Bathyurus solitarius Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 362. Lloydia solitarius Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 67. Canadian(?): Hare Bay, Newfoundland. Lloydia? strenuus (Billings). Bathyurus strenuus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 204, fig. 188. Lloydia strenuus Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 68. Canadian (Beekmantown): St. Antoine, above Quebec, Canada. LOCKEIA James. Genotype: L. siliquaria James. Lockeia James, Paleontologist, No. 3, 1879, p. 17; Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 161. Lockeia siliquaria James. Lockeia siliquaria James, Paleontologist, No. 3, 1879, p. 17. Dawsonia siliquaria James, Jour. Cincinnati Soc. Nat. Hist., 14, pt. 2, 1892, p. 162, fig. 7. Trenton (upper): Ohio River bank, near Ludlow, Kentucky. LOCULIPORA Hall. Genotype: Fenestella perforata Hall. Loculipora Hall, Rep. State Geol. New York for 1884, 1885, p. 37.— Hall and Simpson, Pal. New York, 6, 1887, p. xxiii.— Miller, N. A. Geol. Pal., 1889, p. 312.— Simpson, 13th Ann. Rep. State Geol. New York for 1893, 1895, pp. 690, 716, 726; 47th Ann. Rep. New York State Mus., pp. 884, 910, 920; 14th Ann. Rep. State Geol. New York for 1894, 1897, pp. 511, 520.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 160.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, pp. 38, 308.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 52. Tectulipora Hall, 7th Ann. Rep. State Geol. New York for 1887, 1888 [p. 395]; 41st Ann. Rep. New York State Mus. [p. 395]. (Not defined.)— Simpson, 13th Ann. Rep. State Geol. New York for 1893, 1895, pp. 690, 715, 726; 47th Ann. Rep. New York State Mus., pp. 884, 909, 920; 14th Ann. Rep. State Geol. New York, 1897, pp. 511, 520. Loculipora ambigua (Hall). Hemitrypa dubia Hall, 28th Ann. Rep. New York State Mus., 1876 (doc. ed.), pi. 11, figs. 17-21. Fenestella ambigua Hall, ibid., 1879, (Mus. ed.), p. 123, pi. 11, figs. 17-21; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 248, pi. 11, figs. 17-21. Loculipora ambigua Miller, N. A. Geol. Pal., 1889, p. 312.— Bassler, Bull. TJ. S. Geol. Surv., 292, 1906, pi. 18, figs. 13-16; pi. 21, fig. 1. Isotrypa ambigua Ulrich, Geol. Surv. Illinois, 8, 1890, p. 534. Loculipora (Fenestella) ambigua Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 356, figs. Niagaran (Waldron): Waldron, Indiana. Loculipora ambigua precursor Bassler. Loculipora ambigua var. precursor Bassler, Bull. U. S. Geol. Surv., 292, 190S, p. 53. Clinton: Lockport, New York (Rochester); Osgood, Indiana (Osgood). Cotypes.—Czt. Nos. 35554, 35555, U.S.N.M. Loculipora ulrichi Bassler. Loculipora ulrichi Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 53, pi. 21, fig. 2; pi. 25, figs. 22-24. 754 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Loculipora ulrichi — Continued. Clinton (Rochester): Lockport, Rochester, etc., New York; Grimsby and Tho- rold, Ontario. Cotypes.— Cat. No. 35766, U.S.N.M. LOGANELLUS Devine. Genotype: L. quebecensis Devine. Loganellus Devine, Canadian Nat. Geol., 8, 1863, p. 98.— Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, pp. 200, 201.— Hall and Whitfield, U. S. Geol. Expl. 40th Parl., 4, 1877, p. 209.— Miller, N. A. Geol. Pal., 1889, p. 555. Loganellus logani (Devine). Olenus? Logani Devine, Canadian Nat. Geol., 8, 1863, p. 95, figs. 1, 2. (Named Loganellus quebecensis at end of description.) — Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 201, figs. 185, 186. Ptychoparia logani Walcott, Bull. U. S. Geol. Surv., 10, 1884, p. 36. Loganellus quebecensis Miller, N. A. Geol. Pal., 1889, p. 555, fig. 1029. Ozarkian? (Levis-erratic) : Point Levis, Quebec. LOGANELLUS QUEBECENSIS Miller. See Loganellus logani. LOGANOGRAPTUS Hall. Genotype: Graptolithus logani Hall. Loganograptus Hall, 20th Rep. New York State Cab. Hist., 1868, p. 251, rev. ed.— Zittef, Handb. Pal., 1, 1879, p. 299.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 669.— Barrois, Ann. Soc. Geol. du Nord., 21, Lille, 1893, p. 108.— Koken, Die Leitfossilien, Leipzig, 1896, p. 415.— Wiman, Bull. Geol. Inst. Univ. Upsala, 2, pt. 2, No. 4, 1896, p. 265.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 475.— Elles and Wood, Mon. British Grapt., Pal. Soc., 1902, p. 80.— Ruedemann, Mem. New York State Mus., 7, 1904, p. 630, 631. Loganograpsus Nicholson, Mon. British Grapt., 1872, p. 110; Ann. Mag. Nat. Hist., 4th ser., 11, 1873, p. 138. LOGANOGRAPTUS KJERULPI Herrman. See Dichograptus octobrachiatus. Loganograptus logani (Hall). Graptolithus logani Hall, Geol. Surv. Canada, Rep. for 1857, p. 115; Canadian Nat. Gecl., 3, 1858, p. 142, pi. 1, figs. 1-6; pi. 2, figs. 1-4; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 51, figs. 12, 13, p. 50; Pal. New York, 3, 1859, p. 502, figs. 1-3.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 226, fig. 234.— Chapman, Expos. Min. and Geol. Canada, 1864, p. 100, fig. 67; p. 163, fig. 159.— Hall, Geol. Surv. Canada, Canada Org. Rem., dec. 2, 1865, p. 100, pi. 9, figs. 1-9; pi. 11, fig. 7, p. 9, figs. 5, 6.— Chapman, Canadian Jour., 8, 1863, p. 191, fig: 159.— Miller, N. A. Geol. Pal., 1889, p. 190, fig. 178.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 265, figs. Graptolithus (Loganograptus) logani Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 175, figs. 6, 7; p. 226; rev. ed., 1870, p. 208, figs. 6, 7; p. 238. Graptolithus (Monoprion) logani Hall, ibid., 1868, p. 223; rev. ed., p. 260. Graptolites (Didymograptus) logani McCoy, Geol. Surv. Victoria, Prodr. Pal. Victoria, dec. 1, 1874, p. 19. Dichograpsus logani Nicholson, Ann. Mag. Nat. Hist., 4th ser., 1, 1868, p. 56, pi. 3, fig. 5. Dichograptus logani Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 128. — Herrmann, Geol. Mag., dec. 3, 3, 1886, p. 24.— Matthew, Trans'. Royal Soc. Canada^ 10, sec. 4, 1893, p. 97; ibid., 11, 1893, p. 114.— Roemer and Freeh, Leth. Pal., 1, 1897, p. 595, fig. 162; pi. 3, fig. 9. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 755 Loganograptus logaiii — Continued. Loganograptus logani Hall, 20th Ann. Rep. New York State Cab. Nat., 1867, p. 226.— Nicholson, Mon. British Grapt., pt. 1, 1872, p. 109, fig. 52c; p. 110.— Etheridge, Ann. Mag. Nat. Hist., 4th ser., 14, 1874, p. 4, pi. 3, figs. 11, 12.— Ami, Geol. Surv. Canada, Rep., 2d ser., 3, pt. 2, 1889, p. 117k.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 476.— Ruedemann, Ann. Rep. New York State Pal., 1902, pp. 556, 570.— Elles and Wood, Mon. British Grapt., pt. 1, Pal. Soc., 1902, p. 81, pi. 11, figs, la-g.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 631-633, pi. 9, figs. 3-6; fig. 46. Dichograptus (Loganograptus) logani Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 28, fig. 41a. Canadian: Point Levis, Quebec (Levis, Didymograptus and Diplograptus denta- tus zones); Deepkill, Rensselaer County, New York (Deepkill, Tetragraptua and D. dentatus zones); St. Johns, New Brunswick (Bretonian — Div. C 3d); England; Australia. LOMATOCERAS Bronn. See Monograptus Geinitz. LONCHOCEPHALUS Owen. Genotype: L. chippewaensis Owen. Lonchocephalus Owen, Rep. Geol. Wisconsin, Iowa, Minnesota, 1852, p. 575. — Bar- rande, N. Jahrb. f . Min., 1853, p. 336.— Hall, 16th Ann. Rep. New York State Cab. Nat. Hist., 1863, pp. 147, 160.— Shumard, Trans. Acad. Sci. St. Louis, 2, 1863, p. 104.— Hall, Trans. Albany Inst., 5, 1867, p. 129.— Miller, N. A. Geol. Pal., 1889, p. 555. Lonchocephalus calciferus (Walcott). Conocephalites calciferus Walcott, 32d Rep. New York State Mus. Nat. Hist., 1880, p. 129. Ptychoparia calcifera Dwight, Trans. Vassar Bros. Inst., 4, 1887, p. 208. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 831, fig.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 117, pi. 1, fig. 14 —Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 21. Lonchocephalus calciferua Walcott, Smiths. Misc. Coll., 57, 1912, p. 270, pl_ 43, figs. 7-10a. Ozarkian or Upper Cambrian: Saratoga Springs and south of Poughkeepsie, New York (Hoyt); Blairstown, New Jersey (Kittatinny). Cofypes.— Cat. Nos. 58554-58556, U.S.N.M. LONCHODOMAS Angelin. See Ampyx subgenus Lonchodomas. LONCHODOMAS HALL: Billings. See Ampyx (Lonchodomas) halli. LOPHIOSTROMA Nicholson. Genotype: Labechia? schmidti Nicholson. Lophiostroma Nicholson, Mon. British Strom., 1891, p. 160 (footnote). Chalazodes Parks, Univ. Toronto Studies, Geol. Ser., 5, 1908, p. 33, pi. 11, figs. 1-8; ibid., 7, 1910, p. 29. (Genotype: C. granulatum Parks.) Lophiostroma granulatum (Parks). Chalazodes granulatum Parks, Univ. Toronto Studies, Geol. Ser., 5, 1908, p. 36, pi. 9, fig. 7; pi. 11, figs. 1,2, 7, 8. Lophiostroma granulatum Parks, ibid., 7, 1910, p. 29 (gen. ref.). Niagaran: Drummond Island, Lake Huron. Holotype— Cat. No. 36940, U.S.N.M. Lophiostroma magnum (Parks). Chalazodes magnum Parks, Univ. Toronto Studies, Geol. Ser., 5, 1908, p. 38, pi. 9, fig. 8; pi. 10, fig. 8; pi. 11, figs. 5, 6. 756 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophlostroma magnum — Continued. Lophiostroma magnum Parks, ibid., 7, 1910, p. 29 (gen. ref.). Niagaran: Tehkummah and Assiginack, Manitoulin Island, Point Detour, Lake Huron. Holotype — Cat. No. 36941, U.S.N.M. Lophiostroma romingerl (Parks). Chalazodes romingeri Parks, Univ. Toronto Studies, Geol. Ser., 5, 1908, p. 41, pi. 14, fig/2. Lophiostroma romingeri Parks, ibid., 7, 1910, p. 29 (gen. ref.). Niagaran: Drift at Ann Arbor, Michigan. Holotype.— Cat. No. 36813, U.S.N.M. Lophiostroma spindlcanduin (Parks). Chalazodes spindicandum Parks, Univ. Toronto Studies, Geol. Ser., 5, 1908, p. 40, pi, 9, fig. 9; pi. 11, figs. 3, 4. Lophiostroma spindicandum Parks, ibid., 7, 1910, p. 29 (gen. ref.). Niagaran (Louisville): Louisville, Kentucky. Holotype.— Cat. No. 36936, U.S.N.M. LOPHOSPIRA Whitfield. Genotypes: Murchisonia bicincta Hall and M. serrulata Salter. Murchisonia and Pleurotomaria of authors. Lophospira Whitfield, Amer. Mus. Nat. Hist., 1, 1886, p. 312.— Donald, Quart. Jour. Geol. Soc. London, 43, 1887, p. 618.— Miller, N. A. Geol. Pal., 1889, p. 406.— Koken, Neues Jahrb. f. Min., Geol., Pal., 6, Beilage-Band, 1889, pp. 373, 478.— Donald, Quart. Jour. Geol. Soc. London, 51, 1895, p. 212.— Koken, Neues Jahr. f. Min., Geol., Pal., 1, 1898, pp. 17, 25.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 951-960.— Donald, Quart. Jour. Geol. Soc. London, 58, 1902, p. 332.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 951.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 631.— Ball, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 525. Ruedemannia Foerste, Bull. Sci Lab. Denison Univ., 17, 1914, p. 312. (Geno- type: Lophospira lirata Ulrich.) Lophospira abbreviata (Hall). Murchisonia uniangulata var. abbreviata Hall, Pal. New York, 1, 1847, p. 304, pi. 83, figs. 2a-d. Lophospira uniangulata var. abbreviata Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, pt. 1, 1898, p. 52 (gen. ref.). Ruedemannia abbreviata Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 311. Cincinnatian (Pulaski): Turin and Rome, New York. Lophospira abnormls Ulrich. Lophospira abnormis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 974, pi. 73, figs. 36-40. Trenton (Upper): Covington, Kentucky. Cotypes—C&t. No. 45885, U.S.N.M. Lophospira acuminata Ulrich and Scofield. Lophospira acuminata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 973, pi. 73, fig. 8.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 966, pi. 40, fig. 15.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 634, fig. 859d. Murchisonia acuminata Miller, N. A. Geol. Pal., 2d App., 1897, p. 768. Richmond: Richmond, Indiana (Whitewater); Blanchester, Ohio; Spring Valley, Minnesota (Maquoketa). Holotype— Cat. No. 45886, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 757 Lophospira ampla Ulrich. Lophospira ampla Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 981, pi. 73, figs. 52-54. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 966, pi. 41, figs. 1, lb.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 635, figs. 860d-e. Murchisonia ampla Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Richmond: Richmond, Indiana; Boyle and Lincoln Counties, Kentucky. Cotypes.—Ca.t. Nos. 45887, 45888, U.S.N.M. Lophospira augustina (Billings). Murchisonia augustina Billings, Pal. Foss., 1, Geol. Surv. Canada, 1, 1865, p. 234, fig. 221. Lophospira augustina Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 987, pi. 71, figs. 1, 2.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 636, fig. 861. 'Chazyan (Quebec— H-N) : Pistolet Bay, Burnt Cape, Table Head, and Point Rich, Newfoundland . Trenton (Stewartville) : Stewartville, Minnesota. . Plesiotype.—Q&t. No. 45889, U.S.N.M. Lophospira augustina minnesotensis Ulrich and Scofield. Lophospira augustina var. minnesotensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 988, pi. 71, figs. 3, 4. Trenton: Stewartville, Minnesota (Stewartville); Ottawa, Ontario. Cotypes.— Cat. No. 45890, U.S.N.M. Lophospira? arachne (Billings). Pleurotomaria Arachne Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 31, fig. 32 (adv. sheets 1862). Murchisonia Arachne Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 145, fig. 94.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 426, fig. Black River (Leray) : Pointe Claire, Pauquettes Rapids, and Murray Bay, Canada. Lophospira aspera (Billings). Murchisonia asper Billings, Canadian Nat. Geol., 4, 1859, p. 458. Lophospira aspera Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 963. — Raymond, Ann. Carnegie Mus., 4, 1908, p. 189, pi. 55, fig. 2. Chazayan (Mingan) : Mingan Islands, Canada. Lophospira beatrice Foerste. Lophospira beatrice Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 310, pi. 2, figs. 8a, b. Richmond: Riviere des Hurons, near Vars, etc., Quebec. Lophospira bicincta (Hall). Murchisonia bicincta Hall (not McCoy, 1844), Pal. New York, 1, 1847, p. 177, pi. 38, figs. 5a-5f (?5g, 5h).— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 162, pi. 5, figs. 6a-c, 11. — Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 817, fig. 593. — Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 315.— Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 312. Pleurotomaria bicincta Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 122 (loc. occ.). Lophospira bicincta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 964, pi. 72, figs. 1-5.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 30.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 967, pi. 40, figs: 16-16b.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 632, figs. 856a-d. \ 758 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophospira bicincta — Continued. Murchisonia milleri Hall in Miller, Amer. Pal. Foss., 1897, p. 244.— Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 79, pi. 1, figs. 12, 12a-b; Amer. Jour. Sci. Arte, 3d ser., 35, 1888, p. 237, figs. 3, 4.— Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 312.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 430, fig.— Whiteaves, Canadian Rec. Sci., 5, 1893, p. 320 (loc. occ.). Stones River-Richmond: Middleville, Turin, Watertown, etc., New York (Tren- ton); Murfreesboro, Tennessee (Stones River); Minnesota, Illinois, Wisconsin, and Kentucky (Black River); Spring Valley, etc., Minnesota (Richmond); Nevada (Pogonip), etc. Plesiotype8.—Ca.t. Nos. 46062, 47611, 47612, U.S.N.M. Lophospira blllingsi Raymond. Lophospira billingsi Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. -°>77; Ann. Carnegie Mus., 4, 1908, p. 186, pi. 69, figs. 1, 2. Chazyan (Aylmer) : Aylmer, Quebec. Lophospira bispiralis (Hall). Pleurotomaria bispiralis Hall, Pal. New York, 2, 1852, p. 348, pi. 84, figs. 2a, b.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 74; Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 335. Lophospira bispiralis Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 71, pi. 10, figs. 6-9.— Grabau, Michigan Geol. Surv., Geol., 1st ser., p. 190, pi. 23, fig. 16.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 636. Niagaran (Guelph): Gait, etc., Ontario; Shelby and Rochester, New York. Upper Monroan ( Amherstburg) : Detroit River region. Lophospira bowdeni (Safford). Murchisonia bowdeni Safford, Geol. Tennessee, 1869, pi. 3 (G), figs. 2a-2c. Lophospira bowdeni Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 986, pi. 72, figs. 40-43.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, pi. 41, figs. 4-4b.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 635, figs. 862a-c. Trenton-Richmond: Hartsville, Nashville, etc., Tennessee (Catheys); Ohio Indiana, and Kentucky (Maysvillo and Richmond). Plesiotypes.—Ca,t. No. 45891, U.S.N.M. Lophospira calcifera Whitfield. Lophospira Calcifera Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 55, pi. 9, figs. 8, 9. Murchisonia calcifera Miller, N. A. Geol. Pal., 1889, p. 411 (gen. ref.). Canadian (Beekmantown) : Beekmantown, New York. Lophospira casli (Meek and Worthen). Pleurotomaria casii Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 359, pi. 5, fig. 5.— Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 1889, p. 171, pi. 26, fig. 11. Niagaran: Bridgeport, near Chicago, Illinois (Racine); Louisville, Kentucky (Louisville). Plesiotype.— Cat. No. 51341, U.S.N.M. LOPHOSPIKA CASSINA Whitfield. See Eotomaria? cassina. Lophospira cent rails Ulrich. Lophospira centralis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 979, pi. 73, fig. 9. Murchisonia centralis Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Stones River (Murfreesboro) : Murfreesboro, Tennessee. Holotype.—C&t. No. 46063, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 759 iphospira? chamberlini (Whitfield). Murchisonia Chamberlini Whitfield, Ann. Rep. Geol. Surv. Wisconsin for 1877, 1878, p. 84; Geol. Wisconsin, 4, 1882, p. 317, pi. 24, fig. 4. Niagaran (Guelph): Near Carlton, Wisconsin. iphospira cicelia (Billings). Murchisonia Cicelia Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 233, fig. 219.— Koken, Neues Jahrb f. Min., Geol. Pal., 6, Beilage-Band, 1889, p. 368. Lophospira cicelia Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 963, (gen. ref.). Chazyan (Quebec — L): Table Head and Point Rich, Newfoundland. iphospira? circe (Billings). Pleurotomaria circe Billings, Geol. Surv. Canada, Rep. Progr. for 1853-6, 1857, p. 303; Cat. Sil. Foss. Anticosti, Geof. Surv. Canada, 1866, p. 17 (loc. ref.). Richmond (English Head): English Head, Anticosti. Lophospira concinnula Ulrich and Scofield. Lophospira concinnula Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 966, pi. 72, figs. 16-19. Black River (Decorah) : Minneapolis and Cannon Falls, Minnesota. Cotypes— Cat. Nos. 45892, 45893, U.S.N.M. Lophospira conoidea Ulrich. Lophospira conoidea Ulrich, Geol. Minnesota, 3, pt. 2, 1897, pi. 73, fig. 22, p. 976. Murchisonia conoidea Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Trenton (Catheys) : Nashville, Tennessee. Holotype—Ca,t. No. 45894, U.S.N.M. Lophospira conradana Ulrich and Scofield. Murchisonia ventricosa Whitfield (not Hall), Geol. Wisconsin, 4, 1882, p. 218, pi. 5, fig. 18. Lophospira conradana Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 979, pi. 72, figs. 29-32. Black River (Platteville): Minneapolis and St. Paul, Minnesota; Beloit, Wisconsin. Cotypes.— Cat. No. 45895, U.S.N.M. Lophospira conradi (Hall). Murchisonia conradi Hall, 20th Rep. New York State Cab. Hist., 1868, p. 344, pi. 15 (6), fig. 19; rev. ed., 1870, p. 396, pi. 15, fig. 19.— Chamberlin, Geol. Wis- consin, 1, 1883, p. 193, fig.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 27; pi. 4, fig. 6; ibid., 3, pt. 2, 1895, p. 80.— Teller, Trans. Wis- consin Acad. Sci. Arts and Letters, 16, pt. 2, 1910, p. 1287, pi. 150. Lophospira Conradi (Ulrich) Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 331, (gen. ref.). Niagaran: Racine, Wisconsin (Racine); Elora, Ontario (Guelph). Lophospira decursa Ulrich. Lophospira decursa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 975, pi. 73, fig. 10. Trenton (Wilmore?): Burgin, Kentucky. Holotype.—C&t. No. 45896, U.S.N.M. Lophospira elevata Ulrich and Scofield. Lophospira elevata Ulrich and Scofield, Geol. Minnesota, 3, 1897, p. 977, pi. 73, figs. 11-14. 760 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophospira elevata — Continued. Murchisonia elevata Miller, N. A. Geol. Pal , 2d App., 1897, p. 768 (gen. ref.). Trenton: Decorah, Iowa; Kenyon, etc., Goodhue County, Minnesota (Prosser); Mercer County, Kentucky (Flanagan). Cotypes.—G&t. Nos. 45897, 45898, U.S.N.M. Lophospira fasciata Savage. Lophospira fasciata Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 97, pi. 6, figs. 7 and 8. Upper Medinan (Edgewood) : Pike County, Missouri. Lophospira flllinorensis Ulrich and Scofield. Lophospira fillmorensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pi. 72, figs. 20-24. Trenton (Prosser): Wykoff and Fountain, Fillmore County, Minnesota. Cotypes.—Ca.t. Nos.' 45899, 45900, U.S.N.M. Lophospira guelphica Whiteaves. Murchisonia sp. Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 79, pi. 12, fig. 3. Lophospira Guelphica Whiteaves, ibid., pt. 4, 1906, p. 331. Niagaran (Guelph) : Durham, Ontario. Lophospira hammelli (Miller). Murchisonia hammelli Miller, 18th Ann. Rep. Indiana Dep. Nat. Res., 1894, p. 319, pi. 9, figs. 41, 42 (adv. sheets, 1892). Lophospira hammelli Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 969, pi. 41, figs. 3, 3a. Richmond (Whitewater — Saluda): Madison, Indiana. Lophospira helicteres (Salter). Murchisonia helicteres Salter, Geol. Surv. Canada, dec. 1, 1859, p. 21, pi. 4, figs. 2-4.— Whitfield, Geol. Wisconsin, 4, 1882, p. 220, pi. 5, fig. 17.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 157, fig.— Whitfield, Bull. Amer. Mus. Nat. Hist., 1,1886, p. 312. Lophospira helicteres Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 632, fig. 857. Black River: Allumette Island, Ottawa River, Canada (Leray); Mercer County, Kentucky; Wisconsin. Lophospira helicteres wisconsinensis Ulrich and Scofield. Lophospira helicteres var. wisconsinensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 971, pi. 72, figs. 25-28.— Grabau, Amer. Nat., 36, 1902, p. 939, fig. 14. Lophospira wisconsinensis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 633, fig. 858. Black River (Platteville): Minneapolis, Minnesota; Beloit, Wisconsin; Dixon, Illinois. Cofypes.— Cat. Nos. 45901, 45902, U.S.N.M. Observation. — See L. tricarinata Hall. Lophospira? hermione (Billings). Murchisonia Hermione Billings, Pal. Foss., Geol. Surv. Canada, 1, 1865, p. 33, figs. 34, 35 (adv. sheets 1862).— Raymond, Ann. Carnegie Mus., 4, 1908, p. 217. Pleurotomaria Hermione Koken, Neues Jahrb. f. Min., Geol., Pal., 6 Beilage- Band, 1889, p. 335. Canadian(?): South point of Large Island, Mingan Islands, Canada. BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 761 Lophosplra hespelerensis (Whiteaves). Murchisonia Hespelerensis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 24, pi. 4, fig. 3; ibid., 3, pt. 2, 1895, p. 79 (loc. occ.). Lophospira Hespelerensis (Ulrich) Whiteaves, ibid., 3, pt. 4, 1906, p. 331 (gen. ret). Niagaran (Guelph): Hespeler and Glenelg, Ontario. Lophosplra humllis Ulrich. Lophospira humilis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 968, pi. 72, figs. 12-15. Murchisonia humilis Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Trenton: Mercer and Boyle Counties, Kentucky (Flanagan); Hartsville, Ten- nessee (Catheys). Cotypes.—C&t. No. 45903, U.S.N.M. Lophosplra Jessica (Billings). Murchisonia Jessica Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 189, fig. 170. Ozarkian? (Levis — erratics): Point Levis, Quebec. Lophospira(?) knoxvillensis (Ulrich). Lophospira(?) knoxvillensis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 989, pi. 65, figs. 38-40. Trochonema knoxvillensis Miller, N. A. Geol. Pal., 2d App., 1897, p. 770 (gen. ref.). Chazyan (Lenoir): Near Knoxville, Tennessee Cotypes.—C&t. No. 46064, U.S.N.M. Lophospira (?Seelya) lirata Ulrich. Lophospira (?Seelya) lirata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 988, pi. 72, figs. 56-59. Murchisonia lirata Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Ruedemannia lirata Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 312. Eden (Economy, Southgate): Cincinnati, Ohio, and vicinity. Holotype.— Cat. No. 45904, U.S.N.M. Lophospira (?Seelya) lirata obsoleta Ulrich. Lophospira (?Seelya) lirata var. obsoleta Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 989. Eden (Economy, Southgate): Cincinnati, Ohio, and vicinity. Holotype— Cat. No. 45905, U.S.N.M. Lophospira medialis Ulrich and Scofield. Lophospira medialis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 973, pi. 73, figs. 23-29.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 181, pi. 12, fig. 28.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 634, figs. 859e-h.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, p. 183, figs. 20, 1-4. Murchisonia medialis Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Trenton: St. Paul, Wykoff, etc., Minnesota (Prosser); Burgin and Danville, Ken- tucky (Flanagan); Tennessee; Virginia; New Jersey; etc. Cotypes.—Ca,t. Nos. 45906, 45907, U.S.N.M. phospira medialis burginensis Ulrich. Lophospira medialis var. burginensis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 974, pi. 73, figs. 30, 31. Trenton (Flanagan): Burgin, Danville, Lexington, etc., Kentucky. . No. 45908, U.S.N.M. 762 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophospira modes ta (Billings). Murchisonia modesta Billings, Geol. Surv. Canada, Rep. Progr. for 1853-6, 1857, p. 229; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 18 (loc. ref.). Lophospira modesta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 962 (gen. ref.). Richmond (English Head, Charleton): English Head, etc., Anticosti. LOPHOSPIRA MULTIGRUMA Ulrich and Scofield. See Lophospira tropidophora. Lophospira mylitta (Billings). Murchisonia Mylitta Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 157, fig. 140.— Koken, Neues Jahrb. f. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 368.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 79. Lophospira Mylitta (Ulrich) Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 331 (gen. ref.). Niagarah (Guelph): Elora, Ontario; Wisconsin. Lophospira(?) notabilis Ulrich. Lophospira(?) notabilis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 990, pi. 72, figs. 33-35. Trochonema notabile Miller, N. A. Geol. Pal., 2d App., 1897, p. 770 (gen. ref.). Black River (Lowville): Maury County, Tennessee; Mercer County, Kentucky; Watertown, New York. Holotype.—Czt. No. 45909, U.S.N.M. Lophospira obliqua Ulrich. Murchisonia bicincta Salter (not Hall, 1847), Geol. Surv. Canada, Canada Org. Rem., dec. 1, 1859, p. 19. Lophospira obliqua Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 965, pi. 72, figs. 6-8. Black River: High Bridge, Kentucky; Watertown, New York (Lowville); Lin- coln County, Missouri (Auburn). Cotypes.—C&t. No. 45910, U.S.N.M. Lophospira ohioensis (James). Not recognizable. Pleurotomaria trilineata James, Cat. Low. Sil. Foss. Cincinnati Group, 1875, p. 6 (nom. nud. preoccupied). Pleurotomaria Ohioensis James, Paleontologist, No. 2, 1878, p. 12. Lophospira ohioensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 950 (gen. ref.). Eden: Cincinnati, Ohio. Lophospira oweni Ulrich and Scofield. Lophospira oweni Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 980, pi. 73, figs. 41-45.— Weller, Geol. Surv. New Jersey, Pal. 3, 1903, p. 181, pi. 12, fig. 34.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 634, fig. 860a-c. Murchisonia oweni Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Black River: High Bridge, Kentucky (Lowville); St. Paul, Gannon Falls, etc., Minnesota (Decorah); Poland and Watertown. New York; Lincoln County, Missouri; New Jersey. Cotypes.—C&t. Nos. 45911, 45912, U.S.N.M. Lophospira? papillosa (Billings). Murchisonia papillosa Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 301; Cat. Sil. Fossils, Anticosti, Geol. Survey Canada, 1866, p. 55 (loc. ref.). Gamachian (Ellis Bay): Gamache Bay, Anticosti. BIBLIOGEAPHIC LIST OF GENERA AND SPECIES. 763 Lophospira peracuta Ulrich and Scofield. Lophospira peracuta Ulrich and Scofield, Geol. Minnesota, 3, 1897, p. 976, pi. 73, figs. 15-17. Murchisonia peracuta Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Stones River (Lebanon): Lebanon, Tennessee. Black River (Decorah): St. Paul, Minnesota. Cotypes.—Cat. Nos. 46065, 46066, U.S.N.M. Lophospira perangulata (Hall). Murchisonia perangulata Hall, Pal. New York, 1, 1847, p. 41, pi. 10, fig. 4 (not p. 179, pi. 38, figs. 7a, b).— Billings, Canadian Nat. Geol., 4, 1859, p. 458.— Koken, Neues Jahrb. f. Min., Geol. Pal., 6, Beilage-Band, 1889, p. 368. Murchisonia bicmcta var. perangulata Salter, Canadian Organic Remains, dec. 1, 1859, p. 19, pi. 4, fig. 7. Lophospira perangulata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 972, pi. 63, figs. 1-7.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 31.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 188, pi. 49, figs. 7, 8.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 633, figs. 859a-c.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 3, figs. 9-13. Black River: Watertown, New York; Minnesota; Kentucky; Tennessee; Vir- ginia; Canada (Lowville); Lincoln County, Missouri (Auburn). Stones River (Murfreesboro) : Murfreesboro, Tennessee. Chazyan: Valcour Island and Chazy, New York. Plesiotypes.—C&t. No. 46067, U.S.N.M. Lophospira perforata Ulrich and Scofield. Murchisonia bicincta? Meek and Worthen (not Hall, 1847), Geol. Surv. Illinois, 3, 1868, p. 317, pi. 3, fig. 4. Lophospira perforata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 984, pi. 73, figs. 32-35. Trenton: Jo Daviess and Carroll Counties, Illinois; Fountain, Minnesota; Jeffer- son County, New York. Cotypes.— Cat. Nos. 45913, 45914, U.S.N.M. Lophospira perlamellosa Ulrich. Lophospira perlamellosa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 985, pi. 73, figs. 55, 56. Murchisonia perlamellosa Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. _ ref.). Richmond (Waynesville) : Hanover, Butler County, Ohio. Holotype.—C&t. No. 45915, U.S.N.M. Lophospira procera Ulrich. Lophospira procera Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 968, pi. 72, fig. 9. Stones River (Murfreesboro): Murfreesboro, Tennessee. Holotype.—Ca,t. No. 46068, U.S.N.M. Lophospira producta Ulrich. Lophospira producta Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 976, pi. 73, fig. 21. Trenton (Catheys): Nashville, Tennessee. Holotype.—C&t. No. 45916, U.S.N.M. Lophospira pulchella Ulrich and Scofield. Lophospira pulchella Ulrich and Scofield, Geol. Minnesota, 3, 1897, p. 982, pi. 73, figs. 46-48.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 634, figs. 859i-k. 84243°— Bull. 92— vol 2—15 4 764 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophospira pulchella — Continued. Trenton (Flanagan): Burgin, Danville, etc., Kentucky. Black River (Decorah): Near Cannon Falls, Minnesota. Richmond: Spring Valley, Minnesota. Cotypes—C&t. Nos. 45917, 45918, TJ.S.N.M. Lophospira quadrisulcata Ulrich and Scofield. Lophospira quadristilcata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pi. 72, figs. 10-11. — Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 632, figs. 856e-f. Murchisonia quadrisulcata Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Ilichmond (Maquoketa): Spring Valley, etc., Minnesota. Holotype.—Ca,t. No. 45919, U.S.N.M. LOPHOSPIRA RECTANGULARIS Raymond. See Trochonema rectangulare. Lophospira rectistriata Raymond. Lophospira subabbreviata Raymond (not D'Orbigny), Ann. Carnegie Mus., 3, 1906, p. 501. Lophospira rectistriata Raymond, ibid., 4, 1908, p. 187, pi. 69, figs. 3-6.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 632, fig. 855. Chazyan (Day Point, Crown Point): Crown Point, Valcour Island, and Chazy, New York. Lophospira saffordi Ulrich. Lophospira saffordi Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 982, pi. 73, figs. 49-51. Murchisonia saffordi Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Trenton (Catheys) : Near Nashville, Tennessee. Cotypes.—G&t. Nos. 45920, 45921, U.S.N.M. Lophospira seelyi Raymond. Lophospira seelyi Raymond, Ann. Carnegie Mus., 4, 1908, p. 190, pi. 55, fig. 3. Chazyan (Valcour): Isle La Motte, Vermont. Holotype.—Cat. No. 53632, U.S.N.M. Lophospira sermlata (Salter). Murchisonia tricarinata Hall, Pal. New York, 1, 1847, p. 178, pi. 38, fig. 6c (not6a,-b).— Whitfield, Geol. Wisconsin, 4, 1882, p. 219, pi. 5, fig. 16. Murchisonia helicteres (part) Whitfield (not Salter, 1859), Geol. Wisconsin, 4, 1882, p. 220. Murchisonia serrulata Salter, Geol. Surv. Canada, dec. 1, 1859, p. 20, pi. 4, fig. 1. — Hall, Rep. Geol. Surv. Wisconsin, 1862, p. 439.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 145, fig. 93.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 430, fig. Lophospira serrulate Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 968, pi. 72, figs. 51-55; pi. 73, fig. 57.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 636, figs. 862d-f.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 3, fig. 8. Black River: Mineral Point, etc., Wisconsin; St. Paul., etc., Minnesota; Dixon, Illinois (Platteville); Pauquette Rapids, etc., Canada; Virginia; Tennessee. Pksiotypes.—Ca,t. Nos. 45922-45925, U.S.N.M. Lophospira sororcula (Billings). Murchisonia sororcula Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 233, fig. 220. BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 765 Lophospira sororcula — Continued. Lophospira sororcula Ulricli and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 962 (gen. ref.). Chazyan ( Quebec — H-M): Table Head and Point Rich, Newfoundland. Lophospira spironema Ulrich and Scofield. Lophospira spironema Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 983, pi. 72, figs. 44-47 — Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 165. Murchisonia spironema Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Black River: Chatfield and Cannon Falls, Minnesota (Decorah); Lincoln County, Missouri (Auburn); Baffin Land. Cotypes.—C&t. Nos. 45926, 45927, U.S.N.M. Lophospira subabbreviata (D'Orbigny). Not recognized. Murchisonia abbreviata Hall (not DeKoninck, 1841), Pal. NeW York, 1, 1847, p. 32, pi. 6, fig. 7.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 162, pi. 4, fig. 11; pi. 5, fig. 13; Man. Geol., 1860, p. 98, fig. 87.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 424, fig. Murchisonia decurta Hall in Miller's N. A. Pal. Foss., 1877, p. 244. Murchisonia subabbreviata D'Orbigny, Prodrome Pal., 1, 1850, p. 8. Lophospira subabbreviata Raymond, Ann. Carnegie Mus., 4, 1908, p. 186. Chazyan: Chazy, New York. LOPHOSPIRA SUBABBREVIATA Raymond. See Lophospira rectistriata. Lophospira sumnerensis (Safford). Murchisonia sumnerensis Safford, Geol. Tennessee, 1869, pi. 3G, figs. la-f. Lophospira sumnerensis L7lrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 978, pi. 73, figs. 18-20.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 635, figs. 860i-j. Trenton: Nashville, etc., Tennessee (Catheys); Mercer and Boyle Counties, Kentucky (Flanagan); Wykoff, Minnesota (Prosser). Cotypes and plesiotypes.—Vat. No. 45928, U.S.N.M. Lophospira sybilllna (Billings). Pleurotomaria Sybillina Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 54, fig. 19. Gamachian (Ellis Bay): Junction Cliff, Anticosti. Lophospira tenulstrlata Ulrich. Lophospira tenuistriata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 983, pi. 72, figs. 48-50. Eden (Southgate): Cincinnati, Ohio, and vicinity. Cotypes.— Cat. No. 45929, U.S.N.M. Lophospira thebesensis Savage. Lophospira thebesensis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 97, pi. 5, fig. 31. Upper Medinan (Edgewood): Near Thebes, Illinois; Louisiana and near Edge- wood, Missouri. Lophospira tricarinata (Hall). Murchisonia tricarinata Hall (part), Pal. New York, 1, 1847, p. 178, pi. 38, figs. 6a, 6b (not 6c). Murchisonia cf. tricarinata Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 75. 766 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lophospira tricarinata — Continued. Lophospira tricarinata Whitfield and Hovey, Bull. Amer. Mus. Nat.Hist., 11, pt. 1, 1898, p. 52 (gen. ref.). Black River (Platteville): Mineral Point, Wisconsin. Observation. — Probably the same as L. helicteres wisconsinensis. Lophospira(?) trochonemoides Ulrich. Lophospira(?) trochonemoides Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 990, pi. 65, figs. 41-44. Stones River (Murfreesboro) : Murfreesboro, Tennessee. Holotypc.—Cat. No. 46069, U.S.N.M. Lophospira tropidophora (Meek). Pleurotomaria (Scalites?) tropidophora Meek, Amer. Jour. Sci., 3d ser., 4, 1872, p. 278; Gepl. Surv. Ohio, Pal., 1, 1873, p. 1&, pi. 13, figs. 6a-c.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 719, figs. Pleurotomaria tropidophora Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 317. Lophospira tropidophora Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pi. 72, figs. 36-39.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 969, pi. 41, figs. 2-2d.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 635, figs. 860f-h. Murchisonia multigruma Miller, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 104, pi. 3, figs. 3-3a. Lophospira multigruma Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 978. Eden-Richmond: Cincinnati, Ohio, and vicinity; Richmond, etc., Indiana; Kentucky; Tennessee. Plesiotypes.—Cat. Nos. 45930^5932, U.S.N.M. Lophospira uniangulata (Hall). Murchisonia uniangulata Hall, Pal. New York, 1, 1847, p. 179, pi. 28, fig. 8.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 162. Lophospira uniangulata Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, pt. 1, 1898, p. 52 (gen. ref.). Trenton: Middleville, New York. LOPHOSPIRA UNIANGULATA ABBREVIATA Whitfield and Hovey. See Lophospira abbreviata. .' Lophospira varians (Billings). Murchisonia variana Billings, Geol. Surv. Canada, Rep. Progr. for 1853-6, 1857, p. 300; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 18 (loc. ref.). Richmond (English Head): English Head, Anticosti. Lophospira ventricosa (Hall). Murchisonia ventricosa Hall, Pal. New York, 1, 1847, p. 41, pi. 10, fig. 3. — Einmons, Amer. Geology, 1, pt. 2, 1855, p. 162.— Billings(?),Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, pp. 18, 55 (loc. ref.). Black River (Amsterdam): Tribes Hill, Mohawk Valley, New York. LOPHOSPIRA WISCONSINENSIS Grabau and Shinier. See Lophospira helicteres wis- consinensis. Lophospira Xanthippe (Billings). Murchisonia Xanthippe Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 155, fig. 137 (adv. sheets 1862).— Koken, Neues Jahrb. f. Min., Geol., Pal., 6 Beilage-Band, 1889, p. 368.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 80 (loc. occ.). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 767 lophosplra Xanthippe — Continued. Lophospira Xanthippe (Ulricli) WMteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 331 (gen. ref.). Niagaran (Guelph): Gait, Ontario. LOXOCERAS McCoy. Genotype: Orthoceras (Loxoceras) breynii Martin. Loxoceras McCoy, Syn. Carb. Foss., 1844, p. 8.— Zittel, Handb. Pal., 2, 1884, p. 369.— Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 527; 2d ed., 1913, p. 608.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 486.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 113. Sactoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 273— Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 207. (Genotype: Orthoceras richteri Barrande.) Loxoceras allumet tense (Billings). Orthoceras allumettense Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 331; Canadian Nat. Geol., 4, 1859, p. 463; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 254.— Barrande, Syst. Sil. du Centre Boheme, 2, pt. 3, 1874, p. 729, pi. 437, figs. 6-9. Actinoceras Allumettense Whiteaves, Trans. Roy. Soc. Canada, 9, sec. 4, 1892, p. 85, pi. 10, figs. 3, 3a; Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 209. Black River (Leray): Pauquette's Rapids, Ottawa River, etc., Canada. Chazyan (Quebec — M, N): Table Head, Point Rich, and Pistolet Bay, Newfound- land. Loxoceras diffldens (Billings). Orthoceras diffidens Billings, Pal. Foss, 1, Geol. Surv. Canada, 1865, p. 174. Chazyan (Mingan) : Mingan Islands, Canada. Observation. — Probably the same as Loxoceras moniliforme. Loxoceras milleri • (Foerste). Orthoceras (Loxoceras) milleri Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 76, pi. 1, 1910, fig. 5; pi. 2, figs. 24a, b. Trenton (Perryville) : Seven miles south of Frankfort, Kentucky. Loxoceras moniliforme (Hall). Orthoceras moniliforme Hall, Pal. New York, 1, 1847, p. 35, pi. 7, fig. 5. Ormoceras moniliforme Hall, Pal. New York, 1, 1847, p. 315. Loxoceras moniliforme Ruedemann, Bull. New York State Mus., 90, 1906, p. 487, pi. 34, figs. 6-9.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 113, fig. 1346. % Orthoceras subarcuatum Hall, Pal. New York, 1, 1847, pi. 7, fig. 3 (apical part of type specimen) (see also Spyroceras clintoni Miller). Orthoceras subarcuatum Emmons, Amer. Geology, 1, pt. 2, 1855, p. 149. — Billings, Canadian Nat. Geol., 4, 1859, p. 462. Chazyan (Crown Point, Valcour) : Chazy and Plattsburg, New York. • LOXONEMA Phillipo. Genotype: L. sinuata Phillips. Loxonema Phillips, Pal. Foss. Cornwall, Devon and W. Somerset, 1841, p. 98.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 163. — Salter, Geol. Surv. Canada, dec. 1, 1859, p. 24, 30.— Meek and Worthen, Proc. Acad. Nat. Sci. Philadel- phia, 1860, p. 464; Geol. Surv. Illinois, 2, 1866, p. 377.— Hall, Pal. New York, 5, pt. 2, 1879, p. 39.— Koninck, Ann. Mus. Roy. Hist. Nat. de Belgique, 6, 1881, p. 39.— Lindstrom, Kongl. Sven Vet. Akad. Handl., 19, No. 6, 1881, p. 141.— Zittel, Handb. Pal., 2, 1882, p. 238.— Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 190.— Nettelroth, Kentucky, Foss. Shells, Geol. Surv. Kentucky, 1889, p. 177.— Koken, Neues Jahrb. Min., Geol. Pal., 6, Beilage- 768 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. LOXONEMA— Continued. Band, 1889, p. 440.— Miller, N. A. Geol. Pal., 1889, p. 406.— Wljidborne, Mon. Dev. Fauna South England, 1, Pal. Soc., 1891, p. 172.— Koken, Die Leitfossilien, Leipzig, 1896, p. 108. — Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 275.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 456. LOXONEMA ACULEATUM Billings. See Honnotoma? aculeate. Loxonema boydi Hall. Loxonema Boydii Hall, Geol. New York, 4, 1843, p. 137, fig. 3; p. 138; tab. ill., 25, fig. 3.— Owen, Amer. Jour. Sci. Arts, 2d ser., 1, 1846, fig. 3.— Whiteaves, Pal. FOBS., Geol. Surv. Canada, 3, pt. 2, 1895, p. 86. Murchisonia boydii Hall, Pal. New York, 2, 1852, p. 346, pi. 83, fig. 3.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 339, fig. 345.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 193, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 427, figs. Niagaran (Guelph): Near Newark, Wayne County, New York; Gait, Hespeler, and Durham, Ontario. Loxonema fltehl Hall. Loxonema fitclii Hall, Pal. New York, 3, 1859, p. 296, pi. 54, figs. 9, lla, lib.— Ohern Geol. Surv. Maryland, Low. Dev., 1913, p. 467, pi. 79, fig. 7.— Holte- dahl, 2d Arct. Exp. "Fram", 1898-1902, No. 32, 1914, p. 31, pi. 8, fig. 10. Cayugan (Manlius) : Carlisle, Schoharie and Albany Coifhties, New York; Mary- land. Helderbergian (Lower beds) : Southwestern Ellesmereland, Arctic America. Loxonema leda Hall. Loxonema leda Hall, 20th Rep. New York Mus. Nat. Hist., 1868, p. 367, pi. 15 (6), fig. 2; rev. ed., p. 398, pi. 15, fig. 2. Niagaran (Racine): Wauwatosa, Wisconsin; Bridgeport, Illinois. LOXONEMA MAGNUM Whiteaves. See Honnotoma whiteavesii. Loxonema?? magnum Whitfield. Loxonema magna Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 83; Geol. Wisconsin, 4, 1882, p. 317, pi. 24, fig. 1. Niagaran (Guelph): Carl ton Township, Wisconsin. Loxonema mcclintocki Haughton. Loxonema McClintocki Haughton, Jour. Geol. Soc. Dublin, 1, 1857, p. 239, pi. 5, figs. 2, 5. Niagaran: Port Leopold, North East Cape, Arctic America. Loxonema? murrayanum Salter. Loxonema Murrayana Salter, Geol. Surv. Canada, dec. 1, 1859, p. 31, pi. 6, fig. 6. Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. Loxonema parviim Grabau. Loxonema parva Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 176, pi. 16, fig. 6. Upper Moriroan (Lucas): Salt shaft, Detroit, Michigan. Loxonema rossi Haughton. Loxonema Rossi Haughton, Jour. Geol. Soc. Dublin, 1, 1859, p. 239, pi. 5, figs. 6, 8-11. Niagaran: Beechy Island, Arctic America. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 769 Loxonema rugosum (Billings). Murchisonia rugosa Billings, Geol. Surv. Canada, Rep. Progr. for 1853-6, 1857, p. 299; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, pp. 18, 55 (loc.ref.). Hormotoma rugosa Schuchert and Twenhofel, Bull. Geol. Soc. America, 21, 1910, p. 703. Gamachian (Ellis Bay): Gamache Bay, Anticosti. Loxonema salteri Haughton. Murchisonia sp. Salter, App. to Sutherland's Jour. Voyage Baffin Bay and Barrow Strait, 1852, pi. 5, fig. 18. Loxonema salteri Haughton, Jour. Roy. Soc. Dublin, 3, 1860, p. 55. Niagaran: Cornwallis Island, Assistance Bay, etc., Arctic America. LOXONEMA SUBELONGATA Emmons. See Subulites elongatus. LOXONEMA SUBFUSIFORMIS D'Orbigny. See Fusispira subfusiformis. LOXONEMA SUBULATA Conrad. See Hormotoma subulata and Murchisonia eublata. LOXONEMA VITTATA D'Orbigny. See Fusispira vittata. Loxonema winnipegense Whiteaves. Loxonema Winnipegense Whiteaves, Canadian Rec. Sci., 5; 1893, p. 326, fig.; Pal. FOBS., Geol. Surv. Canada, 3, pt. 3, 1897, p. 200, fig. 12. Black River or Richmond: Lake Winnipeg, Manitoba. LOXOPLOCUS Fischer. Genotype: Murchisonia eolutus Whiteaves. Loxoplocus Fischer, Manual Conch., 1885, p. 847. Loxoplocus solutus (Whiteaves). Murchisonia soluta Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 28, pi. 4, figs. 8, 8a. Murchisonia tropidophora Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 29, pi. 7, figs. 5, 5a. Loxoplocus solutus Fischer, Manual Conch., etc., 1885, p. 847. — Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 84, pi. 12, figs. 7, 8. Niagaran (Guelph): Gait, Hespeler, etc., Ontario. LUMBRICONEREITES Ehlers. Genotype: L. deperditus Ehlers. Lumbriconereites Ehlers, Palaeontographica, 17, 1868, p. 159. — Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 380.— Zittel, Handb. Pal., 1, 1880, p. 566.— Miller, N. A. Geol. Pal., 1889, p. 518.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 242. Lumbriconereites armatus Hinde. Lumbriconereites armatus Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 383, pi. 20, fig. 6.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 242, fig. 1529c. Upper Medinan (Cataract): Toronto, Ontario. \ Lumbriconereites austini Foerste. Lumbriconereites austini Foerste, Amer. Geol., 2, 1888, p. 417, fig. 4; Geol. Surv. Ohio, Pal., 7, 1893, p. 517, fig. 4. Richmond (Elkhorn): Todds Fork, near Wilmington, Ohio. 770 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lumbriconereites basalis Hindi-. Lumbriconereites basalis Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 383, pi. 19, fig. 22.— Grabau and Shimer, N. A. Index Fossils, 1910, 2, p. 242, fig. 1532b. Upper Medinan (Cataract): Toronto, Ontario. Lumbriconereites dactylodus Hinde. Lumbriconereites dactylodus Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 380, pi. 18, fig. 20.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 242, fig. 1527b. Cincinnatian (Pulaski): Toronto, Ontario. LUMBRICONEREITES PERDENTATUS Hinde. See Eunicites perdentatus. Lumbriconereites triangularis Hinde. Lumbriconereites triangularis Hinde, Quart. Jour. Geol. Soc. London, 35, 1879, p. 383, pi. 20, fig. 4.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 242, fig. 1529a. Upper Medinan (Cataract): Toronto, Ontario. LUNULITES? ?>ACTIOLOIDES Owen. See Cerionites dactyloides. LTELLIA Edwards and Haime. Genotype: L. americana Edwards and Haime. Lyellia Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), pp. 150, 226.— Pictet, Traitede Pal., 2d ed., 4, 1857, p. 439.— Milne Edwards, Hist. Nat. d. Corall., 3, 1860, p. 242.— Duncan, Rep. 41st Meeting British Assoc. Adv. Sci., 1872, p. 127. — Rominger, Geol. Surv. Michi- gan, 3, pt. 2, 1876, p. 15.— Nicholson, Tab. Corals Pal. Period, 1879, p. 249.— Zittel, Handb. Pal., 1, 1879, p. 213.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 514.— Miller, N. A. Geol. Pal., 1889, p. 195.— Sardeson, Neues Jahrb. f. Min., Geol., Pal., Beilage-Band 10, 1889, p. 280.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, p. 72.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 83.— Kiar, Palseontographica, 46, 1899, p. 56.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 96. Camptolithus Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, pp. 37, 74, 99. Lyellia afflnis (Billings). Heliolites affinis Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 427; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 5, fig. 12. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., p. 251. Lyellia affinis Rominger, Geol. Surv. Michigan, 3, pt. 2, p. 17 (gen. ref.). — Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 84, pi. 5, figs. 1, la.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 153.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 293. Propora affinis Kiar, Vid.-Selsk, Skrifter, Math.-naturw. KL, No. 10, 1903, p. 52. Early Silurian: Wreck Point, Junction Cliff, etc., Anticoati (Charleton — Chicotte); Lake Temiscaming; Thorold, Ontario; Baffin Land. Lyellia americana Edwards and Haime. Lyellia americana Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1861 (Arch, du Mus. d'Hist. Nat., 5), p. 226, pi. 14, figs. 3, Sa.— Milne Edwards, Hist. Nat. d. Corall., 3, 1860, p. 243.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 15, pi. 2, figs. 1, 2.— James, Paleontologist, No. 2, 1878, p. 11.— White, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 381, pi. 47, fig. 5.— Hall, 12th Rep., ibid., 1883, p. 252, pi. 2, figs. 4, 5; pi. 3, fig. 7.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 3, BIBLIOGBAPHIC LIST OF GENERA AND SPECIES. 771 Lyellia amerieana — Continued. fig. 2.— Lesley, Geol. Surv. Pennsylvania, Rep. P. 4, 1889, p. 365, figs.— Miller, N. A. Geol. Pal., 1889, p. 195, fig. 188.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 85, pi. 5, figs. 2, 2a.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 96, figs. 154-155. Niagaran: Drummonds Island, Lake Huron; Michigan; Iowa; Indiana; Ken- tucky; Tennessee; Anticosti, etc. Lyellia decipiens Rominger. Lyellia decipiens Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 17, pi. 3, fig. 1.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 86. Niagaran: Point Detour and thummond Island, Lake Huron. Lyellia discoidea Davis. Lyellia discoidea Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 4, figs. 2, 3. Plasmopora? discoidea Lindstrom, Kongl. Sven. Vet.-Akad. HandL, 32, No. 1, 1899, p. 100. Niagaran: Near Louisville, Kentucky (Louisville); Tennessee (Brownsport). Lyellia eminula Foerste. Lyellia eminula Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 306, pi. 3, fig. 6; pi. 4, fig. 3. Clinton (Waco) : Near Waco and near Irvine, Kentucky. Lyellia exigua (Billings). Heliolites exiguus Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 428; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 31, fig. 14.— Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1880, p. 250.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 508. Lyellia exigua Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 17 (gen. ref.). — Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, pi. 5, p. 86, figs. 3, 3a. Gamachian (Ellis Bay) and Aiiticostian (Becsie River — Chicotte): Gamache Bay, etc., Anticosti. Lyellia glabra (Owen). Sarcinula (Porites) glabra Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 70, pi. 13, fig. 11. Sarcinula costata Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 78, pi. 14, fig. 12. Propora glabra Lindstrom, Kongl. Sven. Vet.-Akad. Hand!., 32, No. 1, 1899, p. 100. Lyellia glabra Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 226, pi. 12, figs. 2-2c.— Milne Edwards, Hist. Nat. d. Corall., 3, 1860, p. 243.— Roemer, Letheea geog., pt. 1, Leth. Pal., 1883, p. 514, fig. 132.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 2, fig. 1.— Calvin, Amer. Geol., 12, 1893, p. 111. Niagaran: Iowa, Wisconsin, Illinois, Kentucky. Lyellia papillata Rominger. Lyellia papillata Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 16, pi. 2, fig. 3.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 2, fig. 2; pi. 3, fig. 1; pi. 4, fig. 4. Camptolithus papillatus Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, p. 101, pi. 10, figs. 25-30. Niagaran: Point Detour and Drummond Island, Lake Huron; Louisville, Ken- tucky (Louisville). 772 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lyellia parvituba Rominger. Lyellia parvituba Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 17, pi. 2, fig. 4. Niagaran: Drummond Island, Lake Huron; Louisville, Kentucky; Indiana. Lyellia puella Davis. Lyellia puella Davis, Kentucky Fossil Corals, Geol. Surv.^Kentucky, pt. 2, 1885, pi. 2, fig. 3; pi. 51, fig. 5. Plasmopora puella Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, p. 100. Niagaran: Near Louisville, Kentucky (Louisville); Decatur County, etc., Ten- nessee (Brownsport). Lyellia speciosa (Billings). Heliolites speciosus Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 426; Cat. Sil. FOBS. Anticosti, Geol. Surv. Canada, 1866, p. 30, fig. 13.— Nicholson and Etheridge, Mon. Sil. Girvan Dist., 1880, p. 251. Propora speciosa Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, p. 95, pf. 9, figs. 40-46; pi. 10,efigs. 1-5.— Kiarer, Vid. Selsk. Skrifter, Math.- naturw. KL, No. 10, 1903, p. 53. Lyellia speciosa Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 17 (gen. ref.). Gamachian (Ellis Bay) : Junction Cliff, Anticosti. LYELLIA STRIATA James. See Strombodes mamillare wilmingtonensis. Lyellia superba (Billings). Trematopora superba Billings, Cat. Sil. Foss. Anticosti, 1866, p. 93. Lyellia euperba Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, p. 87, pi. 5, figs. 4, 5, 5a.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, p. 248. Niagaran: Cabots Head, Georgian Bay, and Ekwan River, Canada. Lyellia thebesensis Foerste. Lyellia thebesensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 95, pi. 4, fig. 69.— Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 66, pi. 3, figs. 6, 7. Upper Medinan (Edgewood): Near Thebes, Illinois; Edgewood, Louisiana, and Clarksville, Pike County, Missouri. LYONSIA ANADONTOIDES Emmons. See Modiolopsis sinuata. LYONSIA ANATINIFORMIS Emmons. See Pterotheca anatiformis. LYONSIA CURTA Emmons. See Modiolopsis curta. LYONSIA DUBIA Emmons. See Ctenodonta dubia. LYONSIA FABA Emmons. See Colpomya faba. LYONSIA GIBBOSA Emmons. See Ctenodonta gibbosa. LYONSIA NASUTA Emmons. See Ctenodonta nasuta. LYONSIA NUCULIFORMIS Emmons. See Ctenodonta nuculiformis. LYONSIA SANGUINOLAROIDES D'Orbigny. See Ctenodonta sanguinolaroidea. LYONSIA SUBMODIOLARIS D'Orbigny. See Modiolopsis modiolaris. LYONSIA SUBSPATULATUS Emmone. See Prolobella subspatulata. LYONSIA SUBTRUNCATA D'Orbigny. See Modiolodon truncatus. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 773 LYONSIA TRENTONENSIS Emmons. See Endodesma trentonense. LYONSIA TERMINALIS Emmons. See Modiolopsis terminalis. LYOPORA Nicholson and Etheridge. Genotype: Palseopora? favosa McCoy. Lyopora Nicholson and Etheridge, Mon. Sil. FOBS. Girvan Dist., 1878, p. 26, pi. 2, figs. 1-le.— Nicholson, Tab. Corals Pal. Period, 1879, p. 187.— Koemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 466.— Lambe, Cont. Can. Pal., Geol. Siirv. Canada, 4, pt. 1, 1899, p. 88.— Lindstrom, Kongl. Sven. Vet.-Akad. HandL, 32, No. 1, 1899, p. 25. Lyopora goldfussi (Billings). Columnaria Goldfussi Billings, Canadian Nat. Geol., 3, 1858, p. 420; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 166.— Nicholson, Bep. Pal. Prov. Ontario, pt. 2, 1875, p. 9. Lyopora Goldfussi Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 88, pi. 5, figs. 6, 6a, 7. Richmond: Snake Island and Traverse Point, Lake St. John, Canada; Wreck Point, Anticosti; Cape Smythe, Lake Huron. LYRIOCRINUS Hall. Genotype: Marsupiocrinites? dactylus Hall. LyriocrinuB Hall, Pal. New York, 2, 1852, pp. 197, 355.— Pictet, Traite* de Pal., 2d ed., 4, 1857, p. 329.— Hall, 15th Rep. New York State Cab. Nat. Hist, for 1861, 1862, p. 126.— Dujardin and Hupe, Hist. Natur. dti Zooph. Echin., 1862, p. 149; 20th Rep. New York State Cab. Nat. Hist., 1867, p. 325; 28th Rep., ibid., 1879, p. 139.— Zittel, Handb. Pal., 1, 1879, p. 378.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 358, 377 (Rev. Pal., pt. 2, ppv!84, 203); ibid., 1885, p. 321.— Miller, N. A. Geol. Pal., 1889, p. 258.— Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 261.— Weller, Bull. Chicago Acad. Sci. Nat. Hist. Surv., 4, pt. 1, 1900, p. 90, fig. 42.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 200.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 146.— Grabau, Bull. New York State Mus., 45, 1901, p. 156; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 156.— Zittel, Grundzuge Pal., 1, 1910, p. 161.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 550.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 189. Lyrlocrinus beecheri Hudson. Lyriocrinus beecheri Hudson, Bull. New York State Mus., 80, 1905, pp. 277-280, figs. 4, 5, pi. 3, figs. 1-4. Chazyan (Valcour): Valcour Island, New York. Lyriocrinus dactylus (Hall). Marsupiocrinites(?) dactylus Hall, Geol. New York, 4, 1843, p. 113, fig. 4; p. 114; tab. ill. 18, figs. 4, 5. Melocrinus dactylus D'Orbigny, Prodr. de Pal., 1, 1849, p. 45 (gen. ref.). Lyriocrinus dactylus Hall, Pal. New York, 2, 1852, p. 197, pi. 44, figs. la-g. — Pictet, Traite de Pal., 2d ed., 4, 1857, p. 329, pi. 101, fig. 12.— Miller, N. A. Geol. Pal., 1889, p. 258, figs. 352, 353.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 366, figs.— Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 262, pi. 11, figs. 5a-c.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 156, fig. 51; Bull. New York State Mus., 45, 1901, p. 156, fig. 51.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 550, fig. 1880. Rhodocrinus (Lyriocrinus) dactylus Shumard, Trans. Acad. Sci. St. Louis, 2 (Cat. Pal. Foss.), 1866, p. 379. 774 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lyriocrinus dactylus — Continued. Lyriocrinus (Rhodocrinus) dactylus Hall, llth Rep. Geol. Nat. Hist. Indiana, 1882, p. 271. Clinton (Rochester): Lockport, New York, and vicinity. Lyriocrinus melissa (Hall). Rhodocrinus melissa Hall, Trans. Albany Inst., 4, 1863, p. 198 (Abstract, p. 4); 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1875, 1877, pi. 15, figs. 18-27. Rhodocrinus (Lyriocrinus) melissa Hall, ibid., mus. ed., 1879, p. 139, pi. 15, figs. 18-27. Lyriocrinus melissa Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 379 (Rev. Pal., pt. 2, p. 205).— Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., p. 269, pi. 14, figs. 18-27; pi. 15, fig. 11.— Miller, N. A. Geol. Pal., 1889, p. 259, fig. 354.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, pp. 366, 367, figs.— Keyes, Missouri Geol. Surv., 4, for 1894, 1895, pi. 21, fig. 6. — Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 263, pi. 11, figs. 4a-f.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 91, pi. 3, figs. 6-8.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 550. Niagaran: Waldron, etc., Indiana; Newsom, Tennessee (Waldron); Bridgeport, Romeo, and Joliet, Illinois (Racine). Lyriocrinus sculp tills (Hall). Rhodocrinus (Lyriocrinus) sculptilis Hall, 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 1865), p. 325; rev. ed., 1870, p. 368. Lyriocrinus sculptilis Miller, N. A. Geol. Pal., 1889, p. 259 (gen. ref.). Niagaran (?Racine): Waukesha, Wisconsin. LYRIOCRINUS SCULPTILIS Miller. See Diabolocrinus vesperalis. LYRIOPECTEN ORBICULOIDES Grabau. See Amphicoelia orbiculoidea. LYRODESMA Conrad. Genotype: L. planum Conrad. Lyrodesma Conrad, Ann. Geol. Rep. New York, 1841, p. 51.— Hall, 1847, Pal. New York, 1, 1847, p. 302.— McCoy, British Pal. Rocks, Foss., 1854, p. 272.— Woodward, Man. Mollusca, pt. 2, 1854, p. 273.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 534.— Hall, Canadian Nat. Geol., 1, 1856, p. 394; 10th Rep. New York State Cab. Nat. Hist., 1857, p. 185 (Extr., p. 145); 15th Rep. New York State Cab. Nat. Hist., 1862, pi. 11, fig. 5; 24th Rep. New York State Cab. Nat. Hist., 1872, p. 227 (Extr. 1871, p. 4).— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 226.— Zittel, Handb. Pal., 2, Munich, 1881, p. 55.— Miller, N. A. Geol. Pal., 1889, p. 487.— Ulrich, Geol. Surv. Ohio, 7, 1893, p. 682; Geol. Minnesota, 3, 1894, pt. 2, p. 608.— Ball, Zittel-Eastman Textb. Pal., 1, 1900, p. 378.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 481. Lyrodesma acuminatum Ulrich. Lyrodesma acuminatum Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 609, pi. 4. figs. 1-5.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 481, fig. 641e-f. Black River (Decorah): Chatfield, and near Cannon Falls, Minnesota. Cotypes— Cat. Nos. 46214, 46215, U.S.N.M. Lyrodesma acuminatum intermedium Ulrich. Lyrodesma acuminatum var. intermedium Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 610, pi. 42, figs. 3-4, fig. 45h. Black River (Decorah): Chatfield, and near Cannon Falls, Minnesota. Trenton: Near Burgin, Kentucky. Cotypes— Cat. Nos. 46216, 46217, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 775 Lyrodcsina cannonense Ulrich. Nucula poststriata Hall, Pal. New York, 1, 1847, p. 151, pi. 34, figs. 2a-2b. (Not p. 301, pi. 82, figs. lOa, b.) Lyrodesma cannonense Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 610, pi. 42, figs. 6-8. Trenton: Cannon Falls, Minnesota (Prosser); Carlisle, Pennsylvania. Cotypes.—C&t. Nos. 46218, 46219, U.S.N.M. Lyrodesma cincinnatiense Hall. Lyrodesma Cincinnatiensis Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 227, pi. 7, fig. 28 (Extr. 1871, p. 4).— Miller, Cincinnati Quart. Jour. Sci., 1874, p. 226.— Hall and Whitfield, Geol. Surv. Ohio, Pal. 2, 1875, p. 82, pi. 1, fig. 25. Eden (Economy): Cincinnati, Ohio, and vicinity. Lyrodesma conradi Ulrich. Lyrodesma conradi Ulrich, Geol. Surv. Ohio, 7, 1893, p. 684, pi. 47, fig. 9. Eden (Southgate): Cincinnati, Ohio, and vicinity. Holotype.—Cat. No. 46220, U.S.N.M. Lyrodesma grande Ulrich. Lyrodesma grande Ulrich, Geol. Surv. Ohio, 7, 1893, p. 683, pi. 50, fig. 13. Maysville (Bellevue): Cincinnati, Ohio, and vicinity. Holotype.—C&t. No. 46221, U.S.N.M. Lyrodesma inornatum Ulrich. Lyrodesma inornatum Ulrich, Geol. Surv. Ohio, 7, 1893, p. 682, pi. 50, figs. 10, 12. Maysville (Fairmount): Covington, Kentucky, and vicinity. Cotypes.—Cat. No. 46222, U.S.N.M. Lyrodesma major (Ulrich). Cleidophoms major Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 25, pi. 7, fig. 23. Lyrodesma major Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 611, fig. 45a-g. — Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 481, fig. 641a-d. Maysville (Corryville): Cincinnati, Ohio, and vicinity. Richmond: Clarksville, Ohio; Spring Valley, Minnesota. Holotype and plesiotypes.—C&t. Nos. 46223, 46224, U.S.N.M. Lyrodesma planum Conrad. Lyrodesma plana Conrad, 5th Ann. Rep. Geol. Surv. New York, 1841, p. 51.— Hall, Pal. New York, 1, 1847, p. 302, pi. 82, figs, lla, b.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 534, pi. 79, fig. 17.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 226. Leda plana Emmons, Amer. Geology, 1, pt. 2, 1855, p. 173. Cincinnatian (Pulaski) : Pulaski, etc., New York. Lyrodesma posts triatuin (Emmons). Nuculites post-striatus Emmons, Nat. Hist. New York, Geol., 2, 1842, p. 399, text fig. 4.— McCoy, British Pal. Rocks Foss., 1854, p. 286, pi. IK, fig. 6. Nucula postriata Hall, Pal. New York, 1, 1847, p. 151, pi. 34, figs. 2a, b; p. 301, pi. 82, figs. 10a,b.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, pi. 4, fig. 5. Cardiomorpha postriata Emmons, Amer. Geology, 1, pt. 2, 1855, p. 175, pi. 17, fig. 22; Emmons, Man. Geol., 1860, p. 101, fig. 91. Area poststriata D'Orbigny, Prodr. de Pal., 1, 1849, p. 13 (gen. ref.). 776 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lyrodesma poststriatum — Continued. Lyrodesma poststriata Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 176, figs. 167a, b.— Nicholson, Hep. Pal. Prov. Ontario, pt. 2, 1875, p. 36, fig. lib.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 368, figs.— Miller, N. A. Geol. Pal., 1889, p. 487, fig. 844.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 481.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 306. Cincinnatian: Loraine, Pulaski, etc., New York (Pulaski); Cincinnati, Ohio, and vicinity (Maysville). LYDRODESMA PULCHELLA Hall. See Ctenodonta pulchella. Lyrodesma schucherti Ruedemann. Lyrodesma schucherti Ruedemann, Bull. New York State Mus., 62, 1912, p. 103, pi. 6, fig. 12. Trenton (Snake Hill): Snake Hill, Saratoga County, New York. Lyrodesma subplanum Ulrich. Lyrodesma subplanum, Ulrich, Geol. Surv. Ohio, 7, 1893, p. 683, pi. 47, fig. 8.— Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 136. Trenton (Upper): Covington, Rogers Gap, etc., Kentucky. Holotype.—C&t. No. 46225, U.S.N.M. LYSOCYSTIS Bather. See Lysocystites Miller. LTSOCYSTITES Miller. Genotype: Echinocystites nodosus Hall. Echmocystites Hall, 18th Rep. New York State Cab. Nat. Hist., 1864, p. 12 (adv. sheets); 20th Rep. New York State Cab. Nat. Hist., doc. ed., 1867, p. 316; rev. ed., 1870, p. 360.— Zittel, Handb. Pal., 1, 1879, p. 413.— Bather, Geol. Mag., dec. 4, 6, 1897, p. 381; Treatise on Zool. (Lankester), pt. 3, 1900, p. 70. Echinocystis Haeckel, Amphor. und Cystoid., 1896, p. 146, pi. 4, figs. 31-34. Lysocystites Miller, N. A. Geol. Pal., 1889, p. 259 (Echinocystites preoccupied). Lysocystis Bather, Geol. Mag., dec. 4, 4, 1897, p. 381. Lysocystites nodosus (Hall). Echinocystites nodosus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 1864), p. 316, pi. 12 (3), figs. 10, 11; rev. ed., 1870, p. 361, pi. 12, figs. 10. 11,— Chamberlin, Geol. Wisconsin, 1883, 1, p. 191, fig. Lysocystites nodosus Miller, N. A. Geol. Pal., 1889, p. 259 (gen. ref.). Niagaran (Racine): Racine, Wisconsin. MACHAIRODTJS INCURVUS Pander. See Distacodus incurvus. MACLUREA of authors. See Maclurites Leseuer. MACLUREA GUN E ATA Wbitfield. See Maclurina cuneata. MACLUREA LABIATUS Emmons and Owen. See Raphistoma stamineurn. MACLUREA MANITOBENSIS Whiteaves. See Maclurina manitobensis. MACLUREA STRIATA Emmons. See Raphistoma striatum. MACLUREA SUBROTUNDA Whitfield. See Maclurina subrotunda. MACLURINA Ulrich and Scofield. Genotype: Maclurea manitobensis Whiteaves. Maclurina Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 1038-1041.— Koken, Neues. Jahrb. Min., Geol. Pal., 1, 1898, p. 21. Maclurina cuneata (Whitfield). Maclurea cuneata Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 75; Geol. Wisconsin, 4, 1882, p. 246, pi. 9, figs. 5-6. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 777 Maclurina cuneata — Continued. Maclurina cuneata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1042, pi. 36, figs. 1-3; pi. 82, fig. 46.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 167. Maclurea (Maclurina) cuneata Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 666, fig. 922. Trenton: Whitewater, Wisconsin; Stewartville, etc., Minnesota (Stewartville); Dubuque, Iowa, etc. (Galena); Baffin Land. Plesiotype.—Czt. No. 45939, U.S.N.M. Maclurina manitobensis (Whiteaves). Maclurea manitobensis Whiteaves, Trans. Hoy. Soc. Canada, 7, sec. 4, 1890, p. 75, pi. 12; pi. 13, figs. 1, 2; Canadian Bee. Sci., 5, 1893, p. 324. Maclurina manitobensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1041, pi. 76, figs. 4, 5; pi. 82, fig. 45.— Schuchert, Proc. U. S. Nat. Mus., 22,. 1900, p. 166. Maclurea (Maclurina) Manitobensis Whiteaves, Pal. FOBS., Geol. Surv. Canada, 3, pt. 3, 1897, pp. 194, 196, fig. 11, pi. 20, fig. 11. Maclurea (Maclurina) manitobaensis Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 666, fig. 921. Trenton: Lake Winnipeg, etc., Manitoba; Goodhue and Fillmore Counties, etc., Minnesota (Stewartville); Baffin Land; Texas, etc. Plesiotypes.—C&t. No. 45940, UiS.N.M. Maclurina manitobensis acuta Parks. Maclurina manitobensis var. acuta Parks in Tyrrell, 22d Rep. Ontario Bur. Mines, 1913, p. 32. Mohawkian or Richmond: Shamattawa River, Manitoba. Maclurina subrotunda (Whitfield). Maclurea subrotunda Whitfield, Ann. Rep. Geol. Surv. Wisconsin for 1877, 1878, p. 75; Geol. Wisconsin, 4, 1882, p. 246, pi. 9, figs. 7, 8. Maclurina subrotunda Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1043. Trenton (Stewartville): Whitewater, Wisconsin; Stewartville, Minnesota. Plesiotype—Cat. No. 45941, U.S.N.M. MACLURITES Lesueur. Genotype: M. magnus Lesueur. Maclurites Lesueur, Jour. Acad. Nat. Sci. Philadelphia, 1, 1818, p. 312. Maclurea Woodward, Manual Mollusca, 1842, p. 202.— Emmons, Geol. Rep. New York, 2d Disk, 1842, pp. 107, 273, 276, fig. 1.— Roemer, Neues Jahrb. f. Mm., etc., 1848, p. 172.— Woodward, Manual Mollusca, pt. 2, 1854, p. 202.— McCoy, British Pal. Rocks Foss., 1854, p. 300.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 154.— Salter, Geol. Surv. Canada, Canadian Org. Rem., dec. 1, 1859, p. 7.— Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, pp. 235, 236, 310.— Waagen, Mem. Geol. Surv. India, Pal. Indica, 13th ser., 1, 1880, p. 87.— Zittel, Handb. Pal., 2, 1882, p. 207.— Miller, N. A. Geol. Pal., 1889, p. 408.— Koken, Neues Jahrb. Min., Geol. Pal., 6, Beilage-Band, 1889, pp. 419, 432; Die Leitfossilien, Leipzig, 1896, p. 396.— Ulrich and Scofield, Geol. Minnesota, 3, 1897, p. 1033.— Grabau and Shimer, N. A. Index Fossils, 2, 1909, p. 664. Leseurilla Koken, Neues Jahrb. Min., Geol. Pal., 1, 1898, p. 22. Maclurites acuminatus (Billings). Maclurea acuminata Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 240, fig. 225.— Whitfield, Bull. Amer. Mus. Nat. Hist., 3, 1890, p. 32, pi. 2, figs. 1, 2.— Sardeson, Jour. Geol., 11. 1903, p. 479, figs. 10-12.— Seely, Rep. Ver- mont State Geol., 7, 1910, pi. 57, iigs. 9, 10. Canadian: Table Head and Point Rich, Newfoundland (Quebec — K, N); Fort Cassin, Vermont (Beekmantown). 778 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Maclurites afflnis (Billings). Maclurea affinis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 238, figs. 224a, b.— Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 180, pi. 4, figs. 8,9. Lesueurilla affinis Koken, Neues Jahrb. Min., Geol. Pal., 1, 1898, p. 22 (gen. ref.). Canadian: Keppel Island, Newfoundland (Quebec — F); Otter Creek, Vermont (Beekmantown). Maclurites annulatus (Walcott). Maclurea annulata Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 81, pi. 11, figs. 19, 19a. Upper Pogonip : White Mountain, Eureka District, Nevada. Cotype.— Cat. Nos. 17338, 17339, U.S.N.M. Maclurites atlanticus (Billings). Maclurea atlantica Billings, Canadian Nat. Geol., 4, 1859, p. 459. Maclurites atlanticus Raymond, Ann. Carnegie Mus., 4, 1908, p. 201. Chazyan (Mingan): Mingan Islands, Canada. Maclurites avellanedse (Kayser). Maclurea avellanedse Kayser, Beitr. Geol. Pal. Argentin. Republik, Pal. Suppl., 3, 1876, p. 15, pi. 4, figs. 1, 2; Zeit. d. Deutschen geol. Gesell., 49, 1897, p. 283. Ordovician: Talacastra, Argentina. Maclurites bigsbyi (Hall). Maclurea bigsbyi Hall, Hep. Geol. Surv. Wisconsin, 1861, p. 37.— Whitfield, Geol. Wisconsin, 4, 1882, p. 222, pi. 6, figs. 17, 18; Geol. Wisconsin, 1, 1883, p. 157, fig.; Mem. Amer. Mus. Nat. Hist., 1, 1895, p. 62, pi. 8, figs. 14, 15 (not 12, 13).— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1039, pi. 75, figs. 5-10.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 664, fig. 919. Black River (Platteville) : Mineral Point, Fulton, Janesville, etc., Wisconsin; Dixon, etc., Illinois. Plesiotypes.— Cat. No. 45933, U.S.N.M. Maclurites bigsbyi dixonensis (Ulrich). Maclurea bigsbyi var. dixonensis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1039. Black River (Platteville) : Dixon, Illinois. Holotype.—G*i. No. 45934, U.S.N.M. Maclurites carinatus (Walcott). Maclurea carinata Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 82, pi. 11, figs. 20, 20a. Upper Pogonip: Lone Mountain, Eureka District, Nevada. Cotypes.—G&t. No. 17342, U.S.N.M. Maclurites crassus (Ulrich and Scofield). Maclurea crassa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1040, pl« 75, figs. 12-14.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 167. Trenton: Lime City, Stewartville, Wykoff, etc., Minnesota (Stewartville); Baffin Land. Cotype.— Cat. No. 45935, U.S.N.M. Maclurites crassus macer (Ulrich and Scofield). Maclurea crassa var. macra Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1041, pi. 75, figs. 15, 16. Trenton (Prosser): Hader, Minnesota. Holotype.—Csit. No. 45936, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 779 Maclurites crenulatus (Billings). Maclurea crenulata Billings, Pal. Foss., 1, Creol. Surv. Canada, 1865, p. 236, fig. 222a-c.— Miller, N. A. Geol. Pal., 1889, p. 408, fig. 683. Chazyan (Quebec, I-N): Table Head and Point Rich, Newfoundland. Maclurites depressus (Ulrich and Scofield). Maclurea depressa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1040, pi. 75, figs. 1-4. Black River (Platteville): Minneapolis, Minnesota. Cotype.—Gat. No. 45937, U.S.N.M. Maclurites emmonsi (Billings). Maclurea Emmonsi Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 242, fig. 227a-c. Lesueurilla Emmonsi Koken, Neues Jahrb. Min., Geol. Pal., 1, 1898, p. 22 (gen. ref.). Chazyan (Quebec, I-N): Point Rich and Table Head, Newfoundland. Maclurites knoxvillensis (Ulrich). Maclurea knoxvillensis Ulrich,. Geol. Minnesota, 3, pt. 2, 1897, p. 1039. Chazyan (Lenoir) : Knoxville, Tennessee. Cotype.—G&t. No. 45938, U.S.N.M. Maclurites logani (Salter). Maclurea logani Salter, Rep. 21st Meeting British Assoc. Adv. Sci., Notes and Abstracts, 1852, p. 63.— Woodward, Man. Molluaca, pt. 2, 1854, p. 202, fig. 106.— Salter, Geol. Surv. Canada, dec. 1, 1859, p. 7, pi. 1, figs. 1-6.— Hitch- cock, Geol. Vermont, 1, 1861, p. 296. — Chapman, Canadian Jour., n. s., 7, 1862, p. 119, fig. 117; ibid., 8, 1863, p. 197, fig. 170; Expos. Min. Geol. Canada, 1864, p. 123, fig. 117; p. 169, fig. 170.— Roemer, Leth. geog., 1, Leth. Pal. Atlas, 1876, pi. 5, fig. 6.— Etheridge, Quart. Jour. Soc. London, 34, 1878, p. 606.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 664, fig. 920. Black River: Alltimette Island, Ottawa River (Leray), and Mingan Islands, Canada; Bessels Bay, Arctic America. Maclurites magnus Lesueur. Maclurites magna Lesueur, Jour. Acad. Nat. Sci. Philadelphia, 1, 1818, p. 312, pi. 13, figs. 1-3.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 199, pi. 50, figs. 1, 2; pi. 51, figs. 1, 2; pi. 52, figs. 1-4. Straparollus magnus D'Orbigny, Prodr. Pal., 1, 1849, p. 6 (gen. ref.). — Emmons, Amer. Geol., 1, pt. 2, 1855, p. 156, pi. 4, fig. 15; Man. Geol., 1860, p. 94, fig. 79. Maclurea magna Emmons, Rep. 2d Dist., New York State Surv., 1842, p. 276, fig. 1.— Hall, Pal. New York, 1, 1847, p. 26, pi. 5, figs, la-e; pi. 5, (bis), figs, la-c.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 817, fig. 595.— Hitchcock, Geol. Vermont, 1, 1861, p. 278, fig. 177.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 30, pi. 1, fig. 11.— Etheridge, Quart. Jour. Soc. London, 34, 1878, p. 605.— Whitfield, Amer. Jour. Sci. Arts, 3d ser., 18, 1879, p. 227.— Dwight, Proc. Poughkeepsie Soc. Nat. Sci., 1880, p. 18; Proc. Assoc. Adv. Sci., 31, 1883, p. 385.— Lesley, Geol. Surv. Pennsyl- vania Rep., P 4, 1889, p. 369, figs.— Keyes, Missouri Geol. Surv., 5, 1894, p. 163, pi. 52, fig. 9a, b.— Raymond, Bull. Amer. Pal., 3, 1902, p. 305, pi. 18, fig. 10.— Bassler, Bull. Virginia Geol. Surv., no. 2a, 1909, pi. 20, figs. 8, 9.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 664, fig. 918, a. Euomphalus maelurii Troost, 5th Geol. Rep. Tennessee, 1840, p. 55. Chazyan: Chazy, etc., New York; Isle la Motte, Vermont (Crown Point); East Tennessee (Lenoir); Virginia; Maryland; Pennsylvania; etc. (Middle Stones River). . 84243°— Bull. 92— vol 2—15 5 780 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Maclurltes matutinus (Hall). Maclurea matutina Hall, Pal. New York, 1, 1847, p. 10, pi. 3, fig. 3.— Billings, Canadian Nat. Geol., 4, 1859, p. 357, fig. 7.— Hitchcock, Geol. Vermont, 1, 1861, p. 271, fig. 171.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 115, figs. 24a, b. (?25a, b, c).— Lesley, Geol. Surv. Pennsylvania, Rep., P4, 1889, p. 370, figs. Straparollus matutina Emmons, Amer. Geology, 1, pt. 2, 1855, p. 156. Canadian (Tribes Hill): Canajoharie, etc., Mohawk Valley, New York. Maclurites minimus (Hall and Whitfield). Maclurea minima Hall and Whitfield, U. S. Geol. Expl. 40th Parall., 4, 1877, p. 235, pi. 1, figs. 17-19. Pogonip: Ute Peak, Wasatch Range, Utah. Cotypes—Ca,t. No. 17352, U.S.N.M. Maclurites nitidus (Ulrich and Scofield). Maclurea nitida Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1040, pi. 75, fig. 11. Black River (Platteville) : Mineral Point and Beloit, Wisconsin; Dixon, Illinois. ?Stones River (Murfreesboro) : Murfreesboro, Tennessee. Maclurites oceanus (Billings). Maclurea oceana Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 237, figs. 223a, b.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 20, figs. 4, 5. Canadian: Port aux Choix, Table Head, Cape Norman and Pistolet Bay, New- foundland (Quebec, F — H); Virginia (Beekmantown). Maclurites ponderosus (Billings). Maclurea ponderosa Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 239. Chazyan (Quebec — P): Cow Head, Newfoundland; and Phillipsburg, Quebec. Maclurites psyche (Billings). Maclurea Psyche Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 244. Canadian (Quebec — G): Cape Norman, Newfoundland. Maclurites rotundatus (Billings). Maclurea rotundata Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 245, fig. 231a, b. Canadian (Quebec — G): Bonne Bay, Newfoundland. Maclurites sarmienti (Kayser). • Maclurea Sarmienti Kayser, Beitr. Geol. Pal. Argentin. Republik, Pal. Suppl., 3, 1876, p. 16, pi. 4, figs. 4, 4c. Ordovician: Talacastra, Argentina. Maclurites sordidus (Hall). Maclurea sordida Hall, Pal. New York, 1, 1847, p. 10, pi. 3, figs. 2, 2a.— Hitchcock, Geol. Vermont, 1, 1861, p. 271.— Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 49, pi. 8, figs. 1-4.— Seely, Rep. Vermont State Geol., 7, 1910, pi. 56, fig. 1. Straparollus sordidus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 156, pi. 3, fig. 6. Ophileta sordida Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 500, figs. Canadian (Beekmantown): New York; Fort Cassin, Vermont. Maclurites speciosus (Billings). Maclurea speciosa Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 240, fig. 226. Canadian (Quebec, G — M): Point Rich, Table Head, Cape Norman, Schooner Island, Newfoundland. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 781 Maclurltes(?) stelzneri (Kayser). Maclurea(?) Stelzneri Kayser, Beitr. Geol. Pal., Argentin. Republik, Pal. Suppl., 3, 1876, p. 17, pi. 4, figs. 5, 6. Ordovician: Talacastra, Argentina. Maclurites striata Troost. Not recognizable. Maclurites striata Troost, 5th Rep. Geol. Tennessee, 1840, p. 55. "Grauwacke": Hawkins County, Tennessee. Maclurites subannulatus (Walcott). Maclurea subannulata Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 82, pi. 11, figs. 18, 18a, b. Upper Pogonip: White Mountain, Eureka District, Nevada. Cotypes.—C&t. No. 17346, U.S.N.M. Maclurites subovatus (Parks). Maclurea subovata Parks in Tyrrell, 22d Rep. Ontario Bur. Mines, 1913, p. 32. Mohawkian or Richmond : Shamattawa River, Manitoba. Maclurites sylpha (Billings). Maclurea Sylpha Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 244. Canadian (Quebec — G): Cape Norman, Newfoundland. Maclurites transitionis (Billings). Maclurea transitionis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 241. Chazyan (Quebec — K, L): Table Head and Point Rich, Newfoundland. MACROCYPRIS Brady. Genotype: M. minna Baird. Macrocypris Brady, Intellectual Observer, 12, London, 1867, p. 119. — Jones and Kirby, Proc. Geol. Socc. London, 9, 1886, p. 510.— Jones, Ann. Mag. Nat. Hist., 5th ser., 19, 1887, p. 178.— Miller, N. A. Geol. Pal., 1st App., 1889, p. 709.— Ulrich, Zittel-Eastman Textb. Pal., 1, 1900, p. 646.— Bassler, ibid., 2d ed., 1913, p. 740. Macrocypris? siliqua (Jones). Cytheropsis siliqua Jones, Ann. Mag. Nat. Hist., 3d ser., 1, 1858, p. 249, pi. 10, fig. 6; Geol. Surv. Canada, dec. 3, 1858, p. 99. Macrocypris? siliqua Jones, Geol. Surv. Canada, Cont. Micro-Pal., pt. 3, 1891, p. 99. Black River (Leray): Pauquette's Rapids, Ottawa River, Canada. Macrocypris? subcylindrica Jones. Macrocypris? subcylindrica Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 549, pi. 21, figs. 5a, b. Richmond (English Head): English Head, Anticosti. MACRONOTELLA Ulrich. Genotype: M. scofieldi Ulrich. Macronotella Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 683.— Bonnema, Mitt. Min. Geol. Inst. Groningen, 2, 1909, p. 55. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 348. Macronotella fragaria Ruedemann. Macronotella fragaria Ruedemann, Bull. New York State Mus., 49, 1901, p. 85, pi. 6, figs. 3-5. Mohawkian (Rysedorph) : Rysedorph Hill, Rensselaer County, New York. Macronotella scofleldi Ulrich. Macronotella scofieldi Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 684, pi. 43, figs. 30-34.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 348, fig. 1657, u, v. 782 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Macronotella scofleldl — Continued. Isochilina scofieldi Miller, N. A. Geol. Pal., 2d App., 1897, p. 788 (gen. ref.). Black River: Near Cannon Falls, Minnesota (Platteville); High Bridge, Ken- tucky (Lowville). Cotypes.—C&t. Nos. 41848, 41849, U.S.N.M. Macronotella ulrichi Ruedemann. Macronotella ulrichi Ruedemann, Bull. New York State Mus., 49, 1901, p. 83, pi. 6, figs. 6-16; pi. 7, fig. 1. Mohawkian (Rysedorph) : Rysedorph Hill and Moordener kill, Rensselaer County, New York. MACROSTYLOCRINUS Hall. Genotype: M. ornatus Hall. Macrostylocrinus Hall, Pal. New York, 2, 1852, p. 203.— Hctet, Traite* de Pal., 2d ed., 4, 1857, p. 329.— Dujardin and Hupe, Hist. Natur. Zooph. Echin., 1862, p. 149.— Hall, Trans. Albany Inst., 4, 1863, p. 207 (Abstract, p. 12); 28th Rep. New York State Mus. Nat. Hist., mus. ed., 1879, p. 128.— Zittel, Handb. Pal., 1, 1879, p. 368.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 270, 276 (Rev. Pal., pt. 2, pp. 96, 102); ibid., 1885, p. 324.— Ringueberg, Jour. Soc. Nat. Hist., 5, 1882, p. 119.— Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 256.— De Loriol, Pal. Francaise, 11, Crin., 1882, p. 56.— Miller, N. A. Geol. Pal., 1889, p. 259.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard (N. A. Crin. Cam.), 20, 1897, p. 285.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 92, fig. 43.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 162.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 148.— Springer, ibid., 2d ed., 1913, p. 191.— Zittel, Grundzuge Pal., 1, 1910, p 162.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 554. Macrostylocrinus fasciatus (Hall). Cyathocrinus fasciatus Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1875, 1877, pi. 13, figs. 5, 6. Macrostylocrinus fasciatus, Hall ibid., mus. ed., 1879, p. 130, pi. 13, figs. 5, 6; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, pp. 258, 259, fig., pi. 12, figs. 5, 6.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 378, figs.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 95.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 288, pi. 22, fig. 13. Niagaran (Waldron): Waldron and Hartsville, Indiana. Macrostylocrinus fusibrachiatus Ringueberg. Macrostylocrinus fusibrachiatus Ringueberg, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 119, pi. 5, fig. 4.— Miller, N. A. Geol. Pal., 1889, p. 259, fig. 356.— Wachsmuth and Springer,«Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 291, pi. 23, figs. 9, 10. Clinton (Rochester): Lockport," New York. Macrostylocrinus granulosus (Hall). Macrostylocrinus striatus var. granulosus Hall, 28th Rep. New York State Mus. Nat. Hist., mus. ed., 1879, p. 129; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 258. Macrostylocrinus granulosus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 289, pi. 22, fig. 15a, b. Niagaran (Waldron): Waldron and Hartsville, Indiana. Macrostylocrinus indianensis Miller and Gurley. Macrostylocrinus indianensis Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 6, 1895, p. 33, pi. 3, fig. 23. Niagaran (Laurel) : St. Paul, Indiana, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 783 • jrostylocrinus meeki (Lyon). Actinocrimis Meeki Lyon, Proc. Acad. Nat. Sci. Philadelphia, 1861, p. 411, pi. 4, figs. 4a, b. Macrostylocrinus Meeki Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- delphia, 1881, p. 277 (Rev. Pal., pt. 2, p. 103); Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 290, pi. 22, figs. 16a, b. Niagaran (Louisville): Jefferson County, Kentucky. jrostylocrlnus obconicus Weller. Macrostylocrinus obconicus Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 95, pi. 4, figs. 6, 7. Niagaran (Racine): Bridgeport, Illinois. srostylocrinus ornatus Hall. Macrostylocrinus ornatus Hall, Pal. New York, 2, 1852, p. 204, pi. 46, figs. 4a-g.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 286, pi. 23, figs. 8a-c. Ctenocrinus ornatus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361 (gen. ref.). Clinton (Rochester): Lockport, New York. Macrostylocrinus semiradiatus (Hall). Actinocrinus (Saccocrinus) semiradiatus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 379, pi. 10(1), fig. 1; rev. ed., 1870, p. 370, pi. 10, fig. 1. Periechocrinus semiradiatus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 307 (Rev. Pal., pt. 2, p. 133). Saccocrinus semiradiatus Miller, N. A. Geol. Pal., 1889, p. 279. Macrostylocrinus semiradiatus Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 21, 1897, p. 521.— Weller, Bull. Chicago Acad. Sci., Nat. Hist, Surv., 4, 1900, p. 94, pi. 4, fig. 9. Niagaran (Racine): Racine, Wisconsin; Bridgeport, Illinois. Macrostylocrinus striatus Hall. Macrostylocrinus striatus Hall, Trans. Albany Inst., 4, 1863, p. 207 (Abstract, p. 13); 20th Rep. New York State Cab. Nat. Hist, (extras, March, 1865), p. 327, pi. 10 (1), figs. 7, 8; rev. ed., 1870, p. 371, pi. 10, figs. 7, 8; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 13, figs. 1-4; rev. ed., 1879, p. 129, pi. 13, figs. 1-4; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 257, pi. 12, figs. 1-4.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 378, figs.— Miller, N. A. Geol. Pal., 1889, p. 259, fig. 356.— Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 287, pi. 22, fig. 14.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 93, pi. 4, figs. 10, 11.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 555. Ctenocrinus striatus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361 (gen. ref.). Niagaran: Waldron and Hartsville, Indiana (Waldron); Racine, Wisconsin, and Bridgeport, Illinois (Racine). MACROSTYLOCRINUS STRIATUS var. GRANULOSUS Hall. See Macrostylocrinus granu- losus. Macrostylocrinus subglobosus Weller. Macrostylocrinus subglobosus Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 96, pi. 4, fig. 8. Niagaran (Racine): Bridgeport, Illinois. 784 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. MACROSTYLOCRINUS WALDRONENSIS Wachsmuth and Springer. See Dimerocrinus waldronensis. MADREPORA INTERSTINCTA Linnaeus. See Heliolites interstinctus. MADREPORA ORGANUM Linnaeus. See Syringophyllum organum. MADREPORITES ARTICULATUS WAHLENBERG. See Cyathophyllum articulatum. M^ELONOCERAS Hyatt. Genotype: Phragmoceras praematurum Billings. Mselonoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 280.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 775.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 118. Meloceras Foord, Cat. FOBS. Ceph. British Mus., 1, 1888, p. 262, footnote, p. 269. Meloceras (Melonoceras) [subgenus of Oncoceras] Hyatt, Zittel-Eastman Textb. Pal., 1900, p. 530; 2d ed., 1913, p. 611. Maelonoceras arcticameratum (Hall). Cyrtoceras arcticameratum Hall, Pal. New York, 2, 1852, p. 349, pi. 84, figs. 7a-d.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 103.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 87, pi. 15, figs. 1, 2; pi. 16, figs. 1-7. Cyrtoceras (Meloceras) arcticameratum Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 288. Maelonoceras arcticameratum Grabau and Shimer, N. A. Index Fossils, 2, 3910, p. 119, fig. 1356. Niagaran (Guelph): Gait, Ontario; Rochester, New York; Cedarburg, Wisconsin. Maelonoceras falx (Billings). Cyrtoceras falx Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 1857, p. 314.— Salter, Geol. Surv. Canada, dec. 1, 1859, p. 32, pi. 7, fig. 1-4. Cyrtoceras (Meloceras) falx Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 270. Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. Maelonoceras metellus (Billings). Cyrtoceras Metellus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 191, fig. 175. Maelonoceras metellus Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 280 (gen. ref.). Canadian (Levis-Limestone): Point Levis, Quebec. Mselonoceras neleus (Hall). Cyrtoceras neleus Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 40.— Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 65, pi. 9, figs. 10, 11.— Clarke Geol. Minnesota, 3, pt. 2, 1897, p. 804, pi. 59, figs. 17-20. Maelonoceras neleus Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 118, fig. 1355. Black River (Platteville): Beloit, Wisconsin; Cannon Falls, etc., Minnesota. Trenton (Prosser): Wykoff, Minnesota. Maelonoceras prramaturum (Billings). Phragmoceras prsematurum Billings, Canadian Nat. Geol., 5, 1860, p. 173, figs. 19, 20.— Chapman, Canadian Jour., n. s., 8, 1863, p. 22, fig. 133; p. 198, fig. 175; Expos. Min. Geol. Canada, 1864, p. 130, fig. 133; p. 170, fig. 175. Maelonoceras prsematurum Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 280 (gen. ref.). Black River: Le Cloche Island, Lake Huron; La Petite Chaudiere Rapids and Pauquette's Rapids, Ottawa River, Canada (Leray). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 785 LLOCYSTIS HAECKEL. See Malocystites Billings. [ALOCYSTITES Billings. Genotype: M. murchisoni Billings. Malocystites Billings, Geol. feurv. Canada, dec. 3, 1858, p. 66.— Hall, Pal. New York, 3, 1859, p. 152.— Chapman, Expos. Min. Geol. Canada, 1864, p. 109.— Zittel, Handb. Pal., 1, 1879, p. 413.— Miller, N. A. Geol. Pal., 1889, p. 259.— Jaekel, Zeits. d. d. geol. Gesell., 53, 1900, p. 674.— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 58. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 471. Malocystis Haeckel, Amphor. und Cystoid., Leipzig, 1896, p. 105. ?ES BARRANDI Billings. See Canadocystis barrandi. LLOCYSTITES EMMONSi Hudson. See Canadocystis emmonsi. ilocystltes murchisoni Billings. Malocystites Murchisoni Billings, Geol. Surv. Canada, dec. 3, 1858, p. 66, pi. 7, figs, la-i.— Chapman, Expos. Min. Geol. Canada, 1864, p. 109.— Miller, N. A. Geol. Pal., 1889, p. 259, fig. 357.— Jaekel, Zeits. d. d. geol. Gesell., 52, 1900, p. 675, fig. 10.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 471, fig. 1782. Malocystis Murchisoni Haeckel, Amphor. u. Cystoid., Leipzig, 1896, p. 105. Chazyan: Caughnawaga and Island of Montreal, Canada. [ARIACRINUS Hall. Genotype: M. plumosus Hall. Astrocrinites Conrad, Cat. Ann. Geol. Rep. New York, 1841, p. 34. (Not defined; also preoccupied.) Mariacrinus Hall, Amer. Jour. Sci. Arts, 2d ser., 25, 1858, p. 278; Pal. New York, 3, 1861, pp. 104, 139.— Salter, Cat. Camb. and Sil. Foss., 1873, p. 122.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 270, 288, 292, 407 (Rev. Pal., pt. 2, pp. 96, 114, 118, 233); ibid., 1885, p. 326.— Miller, N. A. Geol. Pal., 1889, p. 259.— James, J. F. (part), Jour. Cincinnati Soc. Nat. Hist., 19, 1897, pp. 117, 118.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 281.— Whidborne, Mon. Dev. Fauna South England, 3, Pal. Soc., 1898, p. 219.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 98.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 147.— Springer, ibid., 2d ed., 1913, p. 190.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 161, fig. 74, 1.— Talbot, Amer. Jour. Sci., 4th ser., 20, 1905, p. 25.— Zittel, Grundzuge Pal., 1, 1910, p. 163. Mariacrinus aureatus Miller. Mariacrinus aureatus Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 644, pi. 6, fig. 36 (adv. sheets, 1891, p. 34).— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 285. Niagaran (Laurel): St. Paul, Indiana. Mariacrinus beecheri Talbot. Mariacrinus beecheri Talbot, Amer. Jour. Sci., 20, 1905, p. 25, pi. 1, fig. 3; fig. 2. Helderbergian (Manlius transition beds or Coeymans): North Litchfield, New York. Mariacrinus carleyi (Hall). Glyptocrinus carleyi Hall, Trans. Albany Inst., 4, 1863, p. 203.— Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 90.— Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1875, 1877, pi. 14, figs. 7-10; mus. ed., 1879, p. 132, pi. 14, figs. 7-10; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 261, pi. 13, figs. 7-10; pi. 15, fig. 5. 786 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Mariacrinus carleyi — Continued. Mariacrinus carleyi Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 290 (Rev. Pal., pt. 2, p. 116).— MJQer, N. A. Geol. Pal., 1889, p. 260, fig. 358. — Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 282, pi. 22, figs. 2a-c. Niagaran (Waldron): Waldron and Hartsville, Indiana; Newsom, Tennessee. Plesiotype.—Czt. No. 40893, U.S.N.M. Mariacrinus? granulosus Miller. Mariacrinus granulosus Miller, 17th Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 645, pi. 6, fig. 35 (adv. sheets, 1891, p. 35). Niagaran (Laurel): St. Paul, Indiana. MARIACRINUS HARRISI Wachsmuth and Springer. See Compsocrinus harrisi. * MARIACRINUS NOBILISSIMUS Hall. See Melocrinus iiobilissimus. MARIACRINUS OBCONICUS Wachsmuth and Springer. See Melocrinus obconicus. MARIACRINUS PACHYDACTYLUS Hall. See Melocrinus pachydactylus. MARIACRINUS PAUCIDACTYLUS Hall. See Melocrinus pachydactylus. Mariacrinus warreni Ringueberg. Mariacrinus warreni Ringueberg, Proc. Acad. Nat. Sci. Philadelphia, 1888, p. 133, pi. 7, fig. 4. — Wachsmuth and Springer, Mem. Mus. Comp. Zool., Har- vard, 20, 1897, p. 283, pi. 22, fig. 1. Clinton (Rochester): Lockport, New York. MARSIPOCRINUS Bather. Genotype: Marsupiocrinites cselatus Phillips. Marsupiocrinites Phillips, in Murchison's Sil. Syst., 1839, p. 672. — Austin, Ann. Mag. Nat. Hist., 10, 1842, p. 109.— Meek and Worthen, Geol. Surv. Illinois, 2, 1866, p. 172. Marsupiocrinus McCoy, British Pal. Rocks and Foss., 1854, p. 54. — Pictet, Traite" de Pal., 2d ed., 4, 1857, p. 332.— Dujardin and Hupe", Hist. Nat. des Zooph., 1860, p. 149.— Salter, Cat. Camb. Sil. Foss., p. 119.— Angelin, Icon. Crin., 1878; p. 2.— Zittel, Handb. Pal., 1, 1879, p. 365.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 237, 404 (Rev. Pal., 2, pp. 63, 230); ibid., 1888, p. 373; ibid., 1890, p. 351.— Miller, N. A. Geol. Pal., 1889, p. 260.— Wachsmuth, Zittel-Eastman Textb. Pal., 1896, p. 139.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 21, 1897, p. 730.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, p. 137, fig. 50. Marsipocrinus Bather, Quart. Jour. Geol. Soc. London, 45, 1889, p. 173; Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 156, fig. 70. —Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 30.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 516. Cupellsecrinites Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (not defined). (Genotype: C. Verneuili Troost.) Cupellaecrinus Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 161; Geol. Surv. Illinois, 2, 1866, p. 172. Cupellaecrinus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361; p. 387, footnote.— Meek, Amer. Jour. Sci. Arts, 2d ser., 42, 1866, p. 118.— Zittel, Handb. Pal., 1, 1879, p. 365.— Bather, Treatise on Zool. (Lankester), pt. 3, 1890, p. 156. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 787 Marsipocrlnus chicagoensis (Weller). Marsupiocrinus cliicagoensis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 138, pi. 14, figs. 2, 3. Niagaran (Racine): Chicago, Illinois. Marsipocrinus corrugatus (Troost). Cupellsecrinites corrugatus Troost, Amer. Jour. Sci. Arts, 2d set., 8, 1849, p. 419.— Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinus corrugatus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361. Marsipocrinus corrugatus Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 35, pi. 10, fig. 8. Niagaran (Brownsport) : Decatur County, Tennessee: Holotype.—Cat. No. 39930, U.S.N.M. Marsipocrinus magnificus (Troost). Cupellsecrinites magnincua Troost, Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinus magnificus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361. Marsipocrinua magnificus Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 34, pi. 10, figs. 5, 6, 7. Niagaran (Brownsport): Decatur County, Tenneasee. Holotype.—Ca,t. No. 39927, U.S.N.M. Marsipocrinus pentagonalis (Troost). Cupellsecrinites pentagonalis Troost, Amer. Jour. Sci Arts, 2d ser., 8, 1849, p. 419 (nom. nud.); Proc. Amer. Assoc. Adv. Sci., 2, p. 61. Cupellsecrinus pentagonalis Shumard, Trans. Acad. Sci. St. Louis, 2, 1856, p. 381. Marsipocrinus pentagonalis Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 37. Niagaran (Brownsport): Perry County, Tennessee. Holotype—Cat. No. 39931, U.S.N.M. Marsipocrinus praematurus (Hall and Whitfielcl). Platycrinus prsematurus Hall and Whitfield, Geol. Surv. Ohio, Pal. 2, 1875, p. 124, pi. 6, figs. 3-6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 689, figs. Marsupiocrinus prsematurus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1885, p. 337 (Rev. Pal., pt. 3, sec. 1, p. 115); Mem. Mus. Comp. Zool. Harvard, 21, 1897, p. 734, pi. 72, fig. 11. Marsipocrinus praematurus Grabau and Shimer, N. A. Index Fossils, 2, p. 516, fig. 1838. Niagaran (Guelph): Near Greenville and Cedarville, Ohio. Marsipocrinus rosaBformis (Troost). Cupellsecrinites rosseformis Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, p. 61 (nom. nud.). Cupellsecrinus rosseformis Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361. Marsipocrinus rosseformis Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 37, pi. 13, figs. 5, 6. Niagaran (Brownsport): Perry County, Tennessee. Holotype.—Czt. No. 39932, U.S.N.M. Marsipocrinus stellatus (Troost). Cupellsecrinites stellatus Troost, Amer. Jour. Sci. Arts, 2d ser., 8, p. 419 (nom. nud.); Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinus stellatus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361. Marsipocrinus stellatus Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 36, pi. 10, figs. 1, 2. Niagaran (Browasport) : Perry or Decatur County, Tennessee. Holotype.—Czt. No. 39929, U.S.N.M. 788 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Marsipocrinus striatus (Troost). Cupellsecrinites etriatus Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinites inflatus Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 420; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Marsupiocrinus etriatus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Har- vard, 21, 1897, p. 732, pi. 75, figs. 17, 18. Marsipocrinus striatus Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 33, pi. 9, figs. 13, 14. Niagaran (Brownsport): Decatur County, Tennessee. Holotype and plesiotype.—Ca,t. Nos. 39926, 39934, U.S.N.M. Marsipocrinus tennesseensis (Roemer). Platycrinus tennesseensis Roemer, Sil. Fauna West. Tennessee, Breslau, 1860, p. 35, pi. 3, fig. 4a-f. Platycrinua (Cupellacrinus) tennesseensis Shumard, Trans. Acad. Sci. St. Louis, 1866, p. 362. Marsupiocrinus tennesseensia Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 239 (Rev. Pal., pt. 2, p. 65); ibid., 1888, p. 373, pi. 19, fig. 7; Mem. Mus. Comp. Zool., Harvard, 21, 1897, p. 731, pi. 75, fig. 16a, b. Marsipocrinus tennesseensis Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 30, pi. 9, figs. 5, 6.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 516, 1837. Cupellsecrinites Buchii Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinites laevis Troost, Amer. Jour. Sci. Arts, 2d ser., 7, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Cupellsecrinus laevis Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361 (gen. ref.). Niagaran (Brownsport) : Decatur County, Tennessee. Plesiotypes.—C&t. Nos. 39925, 39928, U.S.N.M. (Troost's types of C. lands and C. buchi.) Marsipocrinus verneuili (Troost). Cupellsecrinites Verneuli Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Marsipocrinus verneuili Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 32, pi. 9, figs. 10, 11, 12. Niagaran (Brownsport): Decatur County, Tennessee. Holotype and ple$iotype.—Ca.t. No. 39914, U.S.N.M. MARSUPIOCRINITES Phillips. See Marsipocrinus Bather. MARSUPIOCRINTTES(?) DACTYLUS Hall. See Lyriocrinus dactylue. MARSUPIOCRINUS Phillips. See Marsipocrinus Bather. MASTIGOGRAPTUS Ruedemann. Genotype: Dendrograptus tenuiramosus Walcott. Mastigograptus Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 210-216. Mastigograptus arundinaceus (Hall). Graptolithus arundinaceus Hall, Pal. New York, 1, 1847, pi. 74, figs. 8, 8a. Dicranograptus arundinaceus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 227; rev. ed., p. 261. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 789 Mastigograptus arundinaceus — Continued. Dendrograptus arundinaceus Gurley, Jour. Geol., 4, 1896, 84. Mastigograptus arundinaceus Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 221, 222, pi. 12, fig. 6, fig. 119. Utica: Turin, Lewis County, New York. Mastigograptus circinalis Ruedemann. Dendrograptus sp. Ruedemann, Bull. New York State Mus., 42, 1901, p. 528. Mastigograptus circinalis Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 222, 223, pi. 10, fig. 3; pi. 12, figs. 7, 8. Trenton (Canajoharie) : Rural cemetery, near Albany, New York. Mastigograptus? flaccidus Ruedemann. Mastigograptus? flaccidus Ruedemann, Bull. New York State MILS., 133, 1909, p. 207, pi. 3, fig. 6. Black River (Lowville): Glens Falls, New York. Mastigograptus gracillimus (Lesquereux). Psilophytum gracillimum Lesquereux, Proc. Amer. Phil. Soc., 17, 1877, p. 164, pl. 1, fig. 2. Psilophyton gracillimum Miller, Proc. Davenport Acad. Sci., 2, 1878, p. 206. — Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 805, figs. Dendrograptus (Psilophyton) gracillimus Walcott, Trans. Alb. Inst., 10, 1883, 21. Dendrograptus gracillimus Ulrich, Cat. Foss. Cincinnati Group, 1880. — James, Jour. Cincinnati Soc. Nat. Hist., 1885, p. 160; pl. 9, figs. 5, 6; ibid., 14, pt. 2, 1892, p. 149.— Gurley, Jour. Geol., 4, 1896, 95.— Nickles, Jour. Cincinnati Soc. Nat. Hist., 20, 1902, p. 68. Mastigograptus gracillimus Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 219-221, figs. 116-118. Eden and Maysville (Fairmount): Cincinnati, Ohio, and vicinity. Mastigograptus simplex (Walcott). Dendrograptus simplex Walcott, Trans. Alb. Inst., 10, ]883, p. 20; pl. 1, figs. 5, 5a, 5b, 6 (adv. sheets, 1879); Bull. Geol. Soc. Amer., 1, 1890, p. 347.— Ami, Can. Rec*Sci., 5, 1892.— Gurley, Jour. Geol., 4, 1896, p. 300. Mastigograptus simplex Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 218, 219, pl. 9, fig. 1; pl. 12, figs. 3-5; fig. 115. Utica: Holland Patent, Oneida County, New York; Canada. Mastigograptus tenuiramosus (Walcott). Dendrograptus tenuiramosus Walcott, Trans. Alb. Inst., 10, 1881, p. 21, pl. 1, fig. 4 (adv. sheets, 1879).— Ulrich, Cat. Foss. Cincinnati Group, 1880.— James, Cincinnati Soc. Nat. Hist., Man. Pal. Cincinnati Group, pt. 2, 1892, p. 152.— Gurley, Jour. Geol., 4, 1896, p. 300.— Ruedemann, Bull. New York State Mus., 8, 1901, p. 528, footnote.— Nickles, Jour. Cincinnati Soc. Nat. Hist., 20, 1902, p. 70. Mastigograptus tenuiramosus, Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 216-218, pl. 9, figs. 2, 3; pl. 11, figs. 2-4; pl. 12, figs. 1, 2; fig. 114. Utica: Holland Patent, New York; Covington, Kentucky, etc. Plesiotype.—V&t. No. 54275, U.S.N.M. MATHERELLA Walcott. Genotype: Trochus saratogensis Walcott. Billingsia Walcott (not Dekoninck, 1876), Bull. U. S. Geol. Surv., 30, 1886, pp. 5, 21, 6062; Bull. U. S. Geol. Surv., 81, p. 346.— Miller, N. A. Geol. Pal., p. 398. Matherella Walcott, Smiths. Misc. Coll., 57, 1912, p. 263. 790 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Matherella saratogensis (Walcott). Trochus? saratogensis Walcott, Proc. U. S. Nat. Mus., 13, 1890, p. 268, pi. 20, fig. 3. Billingsia saratogensis Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 21, ibid., 81, 1891, p. 346.— Miller, N. A. Geol. Pal., 1889, p. 398, fig. 655.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 92, fig. Matherella saratogensis Walcott, Smiths. Misc. Coll., 57, 1912, p. 264, pi. 41, figs. 18-21. Ozarkian or Upper Cambrian (Hoyt): Four miles west of Saratoga Springs, New York. Cotypes— Cat. No. 23847 U.S.N.M. MATHERIA Billings. Genotype: M. tenera Billings. Matheria Billings, Can. Nat. Geol., 3, 1858, p. 440; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 188.— Miller, N. A. Geol. Pal., 1889, p. 488.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 563. Matheria brevis Whiteaves. Matheria brevis Whiteaves, Ottawa Nat., 17, 1903, p. 33, fig. 1, la; Geol. Mag., dec. 4, 10, 1903, p. 358, figs. 1, la; Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 321, fig. 25. Trenton: Ottawa, Ontario. Matheria recta (Hall). Modiolopsis rectus Hall, 20th Rep. New York State Cab. Hist., 1868 (extras, March, 1865), p. 338, pi. 14 (5), figs. 4, 5, p. 389; rev. ed., 1870, p. 386, pi. 14, figs. 4, 5.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 192, figs. Clidophorus m'chesneyanus Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 96, pi. 3, fig. 3; p. 109. Niagaran (Racine): Racine, Wisconsin; Bridgeport, Illinois. Matheria rugosa Ulrich. Matheria rugosa Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 241, fig. 26; Geol. Minnesota, 3, pt. 2, 1894, p. 563, pi. 36, figs. 29, 30; fig. 35, 2 (p. 477). Trenton (Prosser): Six miles south of Cannon Falls, Minftesota. Holotype.—C&t. No. 46226, U.S.N.M. Matheria tenera Billings. Matheria tener Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 188, fig. 18; Canadian Nat. Geol., 3, 1858, p. 440, fig. 18; Geol. Canada, Geol. Surv. Canada, 1863, p. 147, fig. 100, a-d.— Miller, N. A. Geol. Pal., 1889, p. 488, fig. 846.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 380, figs. Trenton: Blue Point, Lake St. John, Canada. MATTHEVIA Walcott. Genotype: M. variabilis Walcott. Matthevia Walcott, Amer. Jour. Sci. Arts, 3d ser., 30, 1885, pp. 17, 18; Bull. U. S. Geol. Surv., 30, 1886, p. 223.— Miller, N. A. Geol. Pal., 1889, p. 392. Matthevia variabilis Walcott. Matthevia variabilis Walcott, Amer. Jour. Sci., 3d ser., 30, 1885, p. 18, figs. 1-6, p. 20; Bull. U. S. Geol. Surv., 30, 1886, pp. 224-225, pi. 32, figs. 1-12; pi. 33, figs. 1, la, If.— Miller, N. A. Geol. Pal., 1889, p. 392, fig. 647.— Lesley, Geol. Surv. Pennsylvania, Rep., P4, 1889, p. 381, fig.— Walcott, Smiths. Misc. Coll., 57, 1912, p. 265, pi. 42, figs. 1-15. Ozarkian or Upper Cambrian (Hoyt): Four miles west of Saratoga Springs, New York. Cotypes.— Cat. No. 24598, U.S.N.M. BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 791 MEEKOCYSTIS Jaekel. See Lepadocystis Carpenter. ^HEEKOPOR A Ulrich. . Genotype: Meekopora eximia Ulrich. Meekopora Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 383, 482.— (Ulrich, in press), Miller, N. A. Geol. Pal., 1889, p. 312.— Ulrich, Zittel's Textb. Pal. (Engl. ed.), 1896, p. 270.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, p. 538.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, p. 26.— Condra, Nebraska Geol. Surv., 2, pt. 1, p. 35.— Bassler, Bull. U. S. Geol. Surv., 292, p. 25; Zittel-Eastman Textb. Pal., 1913, p. 330. Meekopora bassleri Foerste. Meekopora bassleri Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 297, pi. 6, figs, la, b. Clinton (Waco): Near Estil Springs, north of Irvine, etc., Kentucky. Meekopora foliacea (Hall). Ceramopora foliacea Hall, Pal. New York, 2, 1852, p. 170, pi. 40E, figs. 3a-c.— Rominger, Proc. Acad. Nat. Sci. Philadelphia, p. 119. Meekopora foliacea Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 312.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 25, 26, pi. 8, figs. 5, 6; pi. 9, figs. 5, 6. Clinton (Rochester): Lockport, Rochester, etc., New York; Grimsby, Ontario. Plesiotype.—C&t. No. 44116, U.S.N.M. MEEKOSPIRA Ulrich. Genotype: Eulima? peracuta Meek and Worthen. Meekospira Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1079. Meekospira planilateralis (Foerste). Subulites (Polyphemopsis) plani-lateralis Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 555, p. 37a, figs. 4a-c. Meekospira planilateralis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1079 (gen. ref .). Upper Medinan (Brassfield): Soldiers' Home, near Dayton, Ohio. Meekospira subconlca Ulrich and Scofield. Meekospira subconica Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1080, pi. 81, figs. 40, 41. Subulites subconicus Miller, N. A. Geol. Pal., 2d App., 1897, p. 770 (gen. ref.). Richmond (Maquoketa) : Spring Valley, Minnesota. Holotype.—Czt. No. 45942, U.S.N.M. MEGACYSTIS Angelin. See Holocystites Hall. MEGACYSTITES Hall. See Holocystites Hall. MEGALASPIS Angelin. Genotype: Megalaspis gigas Angelin. Megalaspis Angelin, Pal. Scandinavica, 3d ed., Holmiae, 1878, p. 15. — Salter, Mon. British Tril.; Pal. Soc., 1866, p. 147.— Zittel, Handb. Pal., 2, M., 1885, p. 608.— Brogger, Bihang till K. Sven. Vet.-Akad. Handl., 11, No. 3, 1886, p. 40; Afh. Sveriges Geol. Unders., ser. C, No. 82, 1886, p. 40.— Miller, N. A. Geol. Pal., 1889, p. 555.— Koken, Die Leitfossilien, Leipzig, 1896, p. 26, text fig. 16, figs. 3, 6.— Schmidt, Mem. 1'Acad. Imp. Sci. St. Petersburg, 8th ser., 6, 1898, pp. 11, 12, 35.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, pp. 26, 60.— Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 3, 1913, p. 50. — Raymond, Trans, and Proc. Roy. Soc. 'Canada, 5, 3d ser., sec. 4, 1912, p. 117; Zittel-Eastman Textb. Pal., 1913, p. 718. Megalaspis? americana Hoek. Megalaspis americana Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 220, pi. 10, figs. 2-6. Ordovician: Tarija, Bolivia, 792 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Megalaspis beckeri Slocom. Megalaspis beckeri Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 3, p. 50, pi. 14, fig. 5. Richmond (Maquoketa): Clermont, and Postville Junction, Iowa. Megalaspis belemnurus White. Megalaspis belemnurus White, Rep. U. S. Geol. Surv. West 100th Merid., 4, War Dep., 1877, p. 58, pi. 3, fig. 9 (Rep. 1874, p. 11).— Miller, N. A. Geol. Pal., 1889, p. 556, fig. 1030. Upper Pogonip: Queen Spring Hill, Schell Creek Range, Nevada. Holotype.—Cat. No. 8562, U.S.N.M. Megalaspis? boliviensis (D'Orbigny). Asaphus boliviensis D'Orbigny, Voyage I'Amerique Merid., 3, pt. 4, 1817, p. 32, Atlas, pi. 1, figs. 8, 9. Silurian: Rio Grande, Province de Vallegrande; Tacopaya and Cochabamba, Bolivia. Megalaspis brackenbuschi Kayser. Megalaspis Brackenbuschi Kayser, Zeit. d. deutsch. geol. Gesell, 50, 1898, p. 428, pi. 16, fig. 3. Ordovician: Salta, Argentina. Megalaspis goniocercus (Meek). Asaphus (Megalaspis) goniocercus Meek, 6th Ann. Rep. U. S. Geol. Surv., Terr., 1873, p. 480. Lower Ordovician: Near Malade City, Utah. Holotype.—C&t. No. 11600, U.S.N.M. Megalaspis goniurus (Billings). Asaphus goniurus Billings, Canadian Nat. Geol., 5, 1860, p. 324; Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 415. Megalaspis goniurus Raymond, Trans, and Proc. Roy. Soc. Canada, 3d ser., 5, sec. 4, 1912, p. 119, pi. 2, fig. 6. Ozarkian? (Levis-erratics): Point Levis, Quebec. Megalaspis? matacensis Hoek. Megalaspis matacensis Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 233, pi. 11, figs. 6, 7. Ordovician: Near Mataca, Bolivia. MEGALOGRAPTUS Miller. Genotype: M. welchi Miller. Megalograptus Miller, Cincinnati Quart. Jour. Sci., 1, 1874, pp. 343. — James, Jour. Cincinnati Soc. Nat. Hist., 14, pt. 2, 1892, p. 160.— Miller, N. A. Geol. Pal., 1889, p. 195.— Rued emann, Mem. New York State Mus., 11, pt. 2, 1908, p. 247.— Clarke and Ruedemann, Mem. New York State Mus., 14, 1912, p. 324. Megalograptus welchi Miller. Megalograptus welchi Miller, Cincinnati Quart. Jour. Sci., 1, 1874, pp. 343-346, figs. 35-37; N. A. Geol. Pal., 1889, p. 195, figs. 189, 190, 191.— James, "Jour. Cincinnati Soc. Nat. Hist., 14, pt. 2, 1892, p. 161.— Foerste in Clarke and Ruedemann, Mem. New York State Mus., 14, 1912, p. 325, pi. 58, figs. 3-5. Richmond (Liberty): Near Clarksville, Ohio. MEGALOMPHALA Ulrich. Genotype: Bellerophon contortus Eichwald. Megalomphala Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 850.— Koken, Neues Jahrb. Min., Geol. Pal., 1898, 1, 1898, p. 9. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 793 Megalomphala robusta Whiteaves. Megalomphala robusta Whiteaves, Ann. Rep. Geol. Surv. Canada, n. s., 14, App. F, 1904, p. 48; ibid., Pal. FOBS., 3, pt. 4, 1906, p. 257, pi. 28, figs. 9, 9a; pi. 29, fig. 1. Niagaran: Ekwan River, Canada. MEGALOMPHALA? ROTUNDATA Ulrich. See Bucania sulcatina. MEGALOMUS Hall. Genotype: M. canadensis Hall. Megalomus Hall, Pal. New York, 2, 1852, p. 343.— Woodward, Man. Mollusca, pt. 2, p. 302.— Hall, 15th Rep. New York State Cab. Nat. Hist., 1861, p. 193; Prelim. Notice Lam., pt. 2, p. 25, 27.— Miller, N. A. Geol. Pal., 1889, p. 488. Megalomus canadensis Hall. Megalomus canadensis Hall, Pal. New York, 2, 1852, p. 343, pi. 80, fig. la-e, pi. 81, fig. la-f; pi. 82, fig. la-i.— Chapman, Canadian Jour., n. s., 7, 1862, p. 117, fig. 113, 113a; ibid., 8, 1863, p. 215, fig. 225; Expos. Min. Geol. Canada, p. 120, figs. 113, 113a; p. 187, fig. 225.— Hall, 1st Rep. State Geol. New York, 1884, pi. 9, fig. 16.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 338, fig. 342.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 68, fig. 39.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 193, fig.— Hall, 1st Rep. State Geol. New York, 1884, pi. 9, fig. 16; Pal. New York, 5, pt. 1, 1885, pi. 52, fig. 10 (adv. copy, 1883).— Miller, N. A. Geol. Pal., 1889, p. 488, fig. 847.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 383, fig.— Whiteaves, Pal. FOBS., Geol. Surv. Canada, 3, pt. 2, 1895, p. 66.— Norton, Proc. Iowa Acad. Sci., 2, 1895, p. 42. Cyrtodonta canadensis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 410, fig. 530. Niagaran (Guelph): Gait, etc., Ontario; Ohio; Wisconsin; Alaska. Megalomus compressus Nicholson and Hinde. Megalomus compressus Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 143, fig. 6.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 69, fig. 40.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 10, fig. 1; ibid., pt. 2, 1895, p. 67 (loc. occ.). Niagaran (Guelph): Hespeler, Ontario. MEGAMBONIA Hall. Genotype: M. cardiiformis Hall. Megambonia Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 12; ibid., 15th Rep., 1861, p. 193.— Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 137-8.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 225.— Zittel, Handb. Pal., 2, 1881, p. 51.— Hall, Pal. New York, 5, pt. 1, Lam., 2, 1885, p. lv.— Miller, N. A. Geol. Pal., 1889, p. 488.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 411. MEGAMBONIA Meek. See Allonychia Ulrich. Megambonia aviculoidea Hall. Megambonia aviculoidea Hall, Pal. New York, 3, 1859, p. 274, pi. 49, figs. 7a, 7b, 8; pi. 49A, fig. 8.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 387, fig.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 263, pi. 24, figs. 17, 18.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 411, fig. 531. Pterineacf. aviculoidea Holtedahl, 2d Arctic Exp. "Fram." 1898-1902, No. 32, 1914, p. 28, pi. 8, fig. 6. Helderbergian: Helderberg Mountains, etc., New York (Coeymans'and Manlius transition beds); New Jersey (Keyser — "Manlius"); Southwestern Elles- mereland, Arctic America. 794 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Megambonia cancellata Hall. Megambonia cancellata Hall, Can. Nat. Geol., 5, 1860, p. 153. — Dawson, Canadian Nat., n. s., 9, 1880, p. 342. Silurian: Arisaig, Nova Scotia. MEGAMBONIA JAMESI Meek. See Allonychia jamesi. Megambonia ovoidea Hall. Megambonia ovoidea Hall, Pal. New York, 3, 1859, p. 276, pi. 49A, figs. 4a, 4b. Cayugan (Manlius): Schoharie County, New York. Megambonia striata Hall. Megambonia striata Hall, Can. Nat. Geol., 5, 1860, p. 153. — Dawson, Acadian Geol. 2ded., 1868, p. 603. Silurian: Arisaig, Nova Scotia. MEGANTERIS MUTABILIS Hall. See Rensselseria mutabilis. MEGAPTERA Meek and Worthen. See Opisthoptera Meek. MEGAPTERA ALATA White. See Anomalodonta alata. MEGAPTERA CASEI Meek and Worthen. See Anomalodonta casei. MEGISTOCRINUS CHRISTYI Hall. See Periechocrinus whitfieldi. MEGISTOCRINUS INPELIX Winchell and Marcy. See Periechocrinus infelix. MEGISTOCRINUS MARCOUANUS Winchell and Marcy. See Periechocrinus marcouanus. MEGISTOCRINUS NECIS Winchell and Marcy. See Periechocrinus necis. Melia cancellatus Emmons. Not recognizable. Melia cancellatus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 153. Loraine shales: New York. Melia cincinnatiae D'Orbigny. Not recognizable. Melia cine innatiae D'Orbigny, Prod. Pal., 1, 1850, p. 4. Blue limestone: Cincinnati, Ohio. MELOCERAS Foord. See Mselonoceras Hyatt. MELOCRINITES Goldfuss. See Melocrinus Goldfuss. MELOCRINUS Goldfuss. Genotype: M. hieroglyphicus Goldfuss. Melocrinites Goldfuss, Petrefacta Germanica, 1826, p. 197; ibid., 2d ed., pt. 1, 1862, p. 183.— Agassiz, Mem. Soc. Sci. Natur. Neuchatel, 1, 1835, p. 196.— Fischer de Waldheim, O*yct. Gouv. Moscou, 1837, p. 150.— Goldfuss, Nova Acta Physico Med., Acad. Caes. Leop.-Carol., 19, 1839, p. 339.— Muller, Monatsb. Berl. Akad., 1, 1841, p. 209.— Portlock, Rep. Geol. Londonderry, 1843, p. 346.— D'Orbigny, Prodr. Pal., 1, 1850, p. 103.— Hall, Pal. New York, 2, 1852, p. 227.— D'Orbigny, Course Element, 2, 1852, p. 140. Melocrinus Agassiz, Ann. Nat. Hist., 1, 1838, p. 447. — Roemer, Archiv. fur Natur., Jahrg. 19, 1, 1853, p. 214.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 825.— Schultze, Denk. d. Kais. Akad. der Wiss., Math.-Naturw. Cl., 26, Abth. 2, 1867, p. 173, fig. 12; MODI. Echin. Eifel Kalk, 1867, p. 61.— Beyrich, Ann. Mag. Nat. Hist., 4th ser., 7, 1871, pp. 404, 405, fig.— Hall, Geol. Surv. Ohio, Pah, 2, 1875, p. 158.— Angelin, Icon. Crin. Suec., 1878, p. 19.— Zittel, Handb. Pal., 1, 1879, p. 371.— Miller, N. A. Geol. Pal., 1889, p. 261.— Wachsmuth and Springer, Proc. Acad. Nat. Sci, Philadelphia, 1890, p. 384.— Whidborne, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 795 MELOCBINUS— Continued. Mon. Dev. Fauna South England, 2, Pal. Soc., 1895, p. 200.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 35, fig. 23; p. 97, fig. 44.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 161, fig. 74, 2.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 147.— Talbot, Arner. Jour. Sci., 4th ser., 20, 1905, p. 26.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 555.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 190. Mariacrinus Hall (part), Pal. New York, 3, 1859, p. 104. Cytocrinus Roemer, Sil. Fauna West Tennessee, Breslau, 1860, p. 46.— Hall, Trans. Albany lust., 4, 1863, p. 207.— Zittel, Handb. Pal., 1, 1879, p. 368.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 292, 404 (Rev. Pal., pt. 2, pp. 118, 230).— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 161.— Zittel, Grundzuge Pal., 1, 1910, p. 163. (Genotype: C. laevris Roemer.) Melocrinus aequalis Miller. Melocrinus sequalis Miller, 18th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1894, p. 302, pi. 5, figs. 11, 12 (adv. sheets, 1892).— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 304. Melocrinus parvus Wachsmuth and Springer, Amer. Geol., 10, 1892, p. 144; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 303, pi. 22, fig. 8. Niagaran (Laurel): St. Paul, Indiana. MELOCRINUS DASTYLUS Hall. See Lyriocrinus dactylus. MELOCRINUS LAEVIS Wachsmuth and Springer. See Melocrinus roemcri. Melocrinus nobilissimus (Hall). Mariacrinus nobilissimus Hall, Pal. New York, 3, 1859, p. 105, pi. 2, figs. 1-4, pi. 2A,fig.l. Melocrinus nobilissimus Wachsmuth and Springer, Proc. Acad Nat. Sci., Phila- delphia 33, 1882, p. 296; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 295; Atlas, pi. 23, figs, la, 2, 3.— Bather, Treatise on Zool., pt. 3, Echinoderma,. London, 1900, p. 161, fig. 74, fig. 2.— Talbot, Amer. Jour. Sci., 4th ser., 20, 1905, p. 26, pi. 2.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 556. Helderbergian (Manlius transition beds): Litchfield, New York. Melocrinus obconicus Hall. Melocrinus obconicus Hall, Trans. Albany Inst., 4, 1863, p. 206; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 14, figs. 11-14; mus. ed., 1879, p. 138, pi. 14, figs. 11-14; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 269, pi. 13, figs. 11-14.— Miller, N. A. Geol. Pal., 1889, p. 261, fig. 363.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 390, figs.— Wachs- muth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1, 1897, p. 302, pi. 27, figs. lOa-c. Niagaran (Waldron): Waldron and Hartsville, Indiana. Melocrinus oblongus Wachsmuth and Springer. Melocrinus oblongus Wachsmuth and Springer, Amer. Geol., 10, 189t, p. 14S; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 300, pi. 22, figs. 9, 12.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 555.— Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 45. Niagaran: Near Louisville, Kentucky (Louisville); Decatur County, Tennessee (Brownsport); St. Paul, Indiana (Laurel). 84243°— Bull. 92— vol 2—15 6 796 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Melocrinus obpyramidalis (Winchell and Marcy). Actinocrinus obpyramidalis Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 87, pi. 2, fig. 4. Melocrinus obpyramidalis Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 174.— Wachsmuth and Springer, Rev. Pal., pt. 2, 1881, p. 122.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, 1900, p. 97, pi. 3, figs. 11, 12. Melocrinus verneuili Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 327, pi. 10 (1), fig. 5, p. 390; rev. ed., 1868 (1870), p. 372, pi. 10, fie,. 5. (Ex- tras, 1865.) Niagaran (Racine): Bridgeport, Hawthorne, etc., Illinois. Melocrinus pachydactylus (Conrad). Astrocrinites pachydactylus Conrad, Ann. Rep. Pal. New York, 1841, p. 34. — Mather, Geol. Rep. New York, 1843, p. 347, fig. 6. Mariacrinus pachydactylus Hall, Pal. New York, 3, 1859, p. 107, pi. 3, figs. 1-4. Melocrinus pachydactylus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- delphia, 33, 1882, p. 296; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 296, pi. 23, figs. 4, 5; pi. 24, figs. 4a, b.— Talbot, Amer. Jour. Sci., 20, 1905, p. 27, pi. 1, fig. 1. Mariacrinus paucidactylus Hall, Pal. New York, 3, 1859, p. 109, pi. 3, fig. 5. Melocrinus paucidactylus Wachsmuth and Springer, Proc. Acad. Nat. Sci., 33. 1882, p. 296; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 296. Actinocrinus polydactylus Bonny, Schenectady Reflector, 1835; Amer. Jour. Sci. Arts, 1838, p. 165. Melocrinus (Mariacrinus) pachydactylus Schultze, Monog. Echin., Eifelk., 1866, p. 66. Melocrinus (Mariacrinus) paucidactylus Schultze, Monog. Echin. Eifelk., 1866, p. 66. Staghorn Encrinite Bonny, in Shepard's article in Amer. Jour. Sci., 26, 1835, p. 363. Helderbergian (Manlius transition beds): Schoharie, Jerusalem Hill, and North Litchfield, New York. MELOCRINUS PARVUS Wachsmuth and Springer. See Melocrinus aequalis. MELOCRINUS PAUCIDACTYLUS Wachsmuth and Springer. See Melocrinus pachydac- tylus. Melocrinus roemeri Wachsmuth and Springer. Actinocrinites verneuili Troost, Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 60 (nom. nud.). Turbinicrinites verneuili Troost MS., 1850. Melocrinus verneuili Shumard, Trans. Acad. Sci. St. Louis, 2, p. 381 (gen. ref.). Cytocrinus Isevis Roemer (not Goldfuss), Sil. Fauna West. Tennessee, Breslau, 1860, p. 46, pi. 4, figs. 2a-c. Ctenocrinus Isevis Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361 (gen. ref.). Melocrinus laevis Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 296 (Rev. Pal., pt. 2, p. 122). Melocrinus roemeri Wachsmuth and Springer, Amer. Geol., 10, 1892, p. 142; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 301, pi. 22, figs, lla, b.— Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 44, pi. 10," figs. 11, 12.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 556, fig. 1888. Niagaran (Brownsport): Decatur County, Tennessee. Plesiotype.—V&t. No. 39919, U.S.N.M. (Troost's type of T. verneuili). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 797 Melocrinus sculp tus (Hall). Melocrinites sculptus Hall, Pal. New York, 2, 1852, p. 228, pi. 49A, figs. 2a-c. Melocrinus sculptus Miller, N. A. Geol. Pal., 1889, p. 261 (gen. ref.). Niagaran (Lockport): Lockport, New York. MELOCRINUS VERNEUILI Hall. See Melocrinus obpyramidalis. Melocrinus wittenbergensis Rowley. Melocrinus wittenbergensis Rowley, Amer. Geol., 34, 1904, p. 274, pi. 16, fig. 27. Niagaran or Helderbergian: Near Wittenberg, Missouri. MENOCEPHALUS Owen. Genotype: M. minnesotensis Owen. Menocephalus Owen, Rep. Geol. Surv. Wisconsin, Iowa, Minnesota, 1852, p. 577.— Barrande, Neues Jahrb. Min. Geol. and Pal., 1853, p. 336.— Billings, Canadian Nat. Geol., 5, 1860, p. 313; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 405.— Miller, N. A. Geol. Pal., 1889, p. 556. Menocephalus globosus Billings. Menocephalus globosus Billings, Canadian Nat. Geol., 5, 1860, p. 317, figs. 17-19; Geol. Canada, Geol. Surv. Canada, 1863, p. 237, figs. 267 2-c; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 408, figs. 388a-c.— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1889, p. 390, figs. Ozarkian? (Le vis-erratic): Point Levis, Quebec. Menocephalus salteri Devine. Menocephalus Salteri Devine, Canadian Nat. Geol., 8, 1862, p. 210, fig. — Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 203, fig. 187.— Rominger, Proc. Acad. Nat. Sci. Philadelphia, 1887, p. 16, pi. 1, fig. 6.— Walcott, Amer. Jour. Sci., 3d ser., 36, 1888, p. 166.— Miller, N. A. Geol. Pal., 1889, p. 556, fig. 1032. Ozarkian? (Le vis-erratic): Point Levis, Quebec. Menocephalus sedgwicki Billings. Menocephalus sedgwicki Billings, Canadian Nat. Geol., 5, 1860, p. 316, fig. 19; Geol. Canada, Geol. Surv. Canada, 1863, p. 237, fig. 266; Pal. Foss., 1, Geol.' Surv. Canada, 1865, p. 407, fig. 387. Ozarkian? (Levis-erratic): Point Levis, Quebec. MERISTA Suess. Genotype: Atrypa hercules Barrande. Merista Suess, Jahrb. Kongl. Kais. Geol. Reichs., 2, 1851, pp. 150, 160.— Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 73; 20th Rep. New York State Cab. Nat. Hist., 1867, p. 258.— Ball, Bull. U. S. Nat. Mus., 8, 1877, p. 47.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 70, fig. 54; 13th Ann. Rep. New York State Geol., 1895, p. 771.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 416. Camarium Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 42; Pal. New York, 3, 1859, p. 486; 15th Rep. New York State Cab. Nat. Hist., 1862, p. 176. MERISTA BISULCATA Hall. See Whitfieldella sulcata. MERISTA CYLINDRICA Hall. See Whitfieldella cylindrica. MERISTA INTERMEDIA Hall. See Whitfieldella intermedia. MERISTA I^EVIS Hall. See Whitfieldella leevis. MERISTA NITIDA Hall. See Whitfieldella nitida. MERISTA NITIDA var. OBLATA Hall. See Whitfieldella oblata. 798 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. MERISTA NUCLEOLATA Hall. See Whitfieldella? nucleolata. MERISTA SULCATA Miller. See Whitfieldella sulcata. Merista tennesseensis Hall and Clarke. Merista tennesseensis Hall and Clarke, Pal. New York, 7, pt: 2, 1895, pp. 71, 365, pi. 42, figs. 1-6. Niagaran (Brownsport): Perry County, Tennessee. Merista typa (Hall). Camarium typum Hall, Pal. New York, 3, 1859, p. 487, pi. 95a, figs. 2a, 3, 5, 6. Camarium elongatum, ibid., p. 488, pi. 95a, fig. 4. Merista typa Hall, 13tli Ann. Rep. New York State Cab. Nat. Hist., 1860, p. 93, figs. 10-13.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pi. 42, figs. 7- 12. — Schuchcrt and Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 449, pi. 74, figs. 20-24. Helderbergian (JCeyser): Devils Backbone, Cash Valley, etc., near Cumberland, Maryland. MERISTELLA Hall. Genotype: Merista arcuata Hall. ?Meristella Hall, 12th Rep. New York State Cab. Nat. Hist., 1S59, p. 78. Meristella Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, pp. 74-93; 16th Rep. ibid., 1863, p. 50, figs. 27-34; Trans. Albany Inst., 4, 1863, p. 139; Amer. Jour. Sci., 2d ser., 35, 1863, p. 396; 36, p. 11; 20th Rep. New York State Cab. Nat. Hist., 1867, pp. 155, 258; Pal. New York, 4, 1867, p. 295.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 97.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 73, figs. 55, 56; 13th Ann. Rep. New York State Geol., 1895, p. 773. — Schuchertand Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 442.— Schuchert, Zittel-Eastman Textb. Pal., 1900, p. 341; ibid., 2d ed., 1913, p. 415. Athyris Billings, Proc. Portland Soc. Nat. Hist., 1863, p. 115. MERISTELLA BELLA Whitfield. See Hindella? (Greenfieldia) whitfieldi. MERISTELLA (?MERISTINA) CYLINDRICA Meek. See Whitfieldella cylindrica. MERISTELLA JULIA Miller. See Whitfieldella(?) julia. MERISTELLA L^JVIS Hall and Clarke. See \Vhitfieldella Itevis. MERISTELLA L^EVIS Whitfield (1891). See Whitfieldella prosseri. MERISTELLA MARIA Hall. See Meiistina maria. MERISTELLA NAVIFORMIS Hall. See Whitfieldella(?) navifonnis. MERISTELLA NITIDA Hall. See Whitfieldella nitida. MERISTELLA NUCLEOLATA Whitfield. See Whitfieldella(?) nucleolata. Meristella prsenuntla Schuchertand Maynard. Meristella praenuntia Schuchert and Maynard, Maryland Geol. Surv., Low Dev., 1913, p. 443, pi. 73, figs. 43-46; pi. 74, figs. 1-4. Helderbergian (Keyser): Keyser, West Virginia; Dawsou, Tonoloway, etc., Maryland. MERISTELLA PRINSTANA Miller. See Hindella prinstana. MERISTELLA RECTIROSTRA Hall. See Meristina rectrirostris. MERISTELLA TUMIDA Etheridge. See Meristina maria. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 799 MFRISTELLA UMBONATA Foerste. See Hindella umbonata. MERISTINA Hall. Genotype: Meristella maria Hall. Meristina Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 157; Pal. New York, 4, 1867, p. 299.— Zittel, Handb. Pal., 1, 1880, p. 686. Davidson, Mon. British Foss. Brach., 5, Sil. Suppl., Pal. Soc., 1882, p. 82; Suppl. p. 95.— Miller, N. A. Geol. Pal., 1889, p. 354.— Nettelroth (part), Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 101.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 65; 13th Ann. Rep. New York State Geol., 1895, p. 770.— Koken, Die Leitfossilien, Leipzig, 1896, p. 240, figs. 200, 5.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 351.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 415. Whitfieldia Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, p. 107.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 73.— Miller, N. A. Geol. Pal., 1889, p. 388.— Koken, Die Leitfossilien, Leipzig, 1896, p. 240, figs. 201, 1, 2. Meristina(?) expansa Whiteaves. Meristina(?) expansa Whiteaves, Ann. Rep. Geol. Surv. Canada, n. s., 14, App. F, 1904, p. 45; ibid., Pal. Foss., 3, pt. 4, 1906, p. 245, pi. 27, figs. 6, 7. Niagaran: Ekwan and Attawapiskat Rivers, Canada. Meristina maria (Hall). Meristella maria Hall, Trans. Albany Inst., 4, 1863, p. 212. — Hall and Whitfield, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 196. Meristina maria Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 157; Pal. New York, 4, 1867, p. 299.— Hall and Whitfield, Pal. Ohio, 2, 1875, p. 132, pi. 7, figs. 5, 6.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 101, pi. 29, figs. 7-10.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 67, pi. 41, figs. 1-17.— Kindle and Breger, 28th Rep. Dep. Geol. Nat. Hist. Surv. Indiana, 1904, p. 445, pi. 9, figs. 29-32.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 351, fig. 459. Meristina (Meristella) maria Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 396, figs. Meristella tumida Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 597. Meristella (Meristina) maria Hall, 28th R<3p. New York State Mus. Nat. Hist., 1879, p. 159, pi. 25, figs. 8-12; llth Rep. State Geol. Indiana, 1882, p. 299, pi. 25, figs. 8-12. Whitfieldia maria Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 73, pi. 7, figs. 1-3.— Miller, N. A. Geol. Pal., 1889, p. 388, fig. 639. Niagaran: Waldron, Indiana (Waldron) ; Springfield, Ohio; Louisville, Kentucky; » Bridgeport, Illinois; Racine, Wisconsin ; Bessels Bay, Arctic America. Plesiotypes.—C&t. No. 51315, U.S.N.M. Meristina maria roemeri Foerste. Athyris tumida Roemer, Sil. Fauna West Tennessee, 1860, p. 70, pi. 5, fig. 12. Meristina maria-roemeri Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 88, pi. 2, fig. 29A, B. Niagaran (Brownsport): Near Glenkirk, Brownsport Furnace, Pegram, Savannah, etc., Tennessee. „ ERISTINA NITIDA Hall. See Whitfieldella nitida. Meristina profunda Grabau. Meristina profunda Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 160, pi. 21, figs. 20-22. Lower Monroan (Raisin River): Raisin River, Michigan. 800 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Meristlna profunda siuosa Grabau. Meristina profunda mut. sinosus Grabau, Michigan Geol. Surv., Geol.Ser., 1, 1909, p. 161, pi. 21, figs. 14-16. Lower Monroan (Raisin River): Claim 432, Monroe County, Michigan. Meristina rectirostris Hall. Meristella rectirostra Hall, Desc. n. sp. Fossils from Waldron, Indiana, 1879, p. 15; llth Rep. State Geol. Indiana, 1882, p. 301, pi. 27, figs. 10-14; Trans. Albany Inst., 10, 1883, p. 71.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 67, pi. 7, figs. 4, 5, 11-13.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 394, figs. Meristina rectirostra Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 68, figs. 52, 53, pi. 41, figs. 18-21.— Beecher, Amer. Jour. Sci., 3d eer., 44, 1892, p. 146.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 445, pi. 9, figs. 21-24. Niagaran: Waldron, Indiana (Waldron); Little Deer Creek, Carroll County, Indiana. Meristina trisinuata (McChesney). Pentamerus trisinuatus McChesney, Desc. New Pal. Fossils, 1861, p. 86. Athyris? trisinuatus McChesney, Trans. Chicago Acad. Sci., 1, 1868, p. 33, pi. 8, fig. 2. Meristina trisinuata Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 270. Niagaran (Racine): Milwaukee, Wisconsin. MERISTOSPIRA Grabau. Genotype: M. michiganensis Grabau. Meristospira Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 158. — Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 415. Meristospira michiganensis Grabau. Meristospira michiganense Grabau, Michigan Geol. Surv., Geol. Ser. 1, 1909, p. 159, pi. 20, figs. 5, 6, 7-11; pi. 21, figs. 4-6. . Upper Monroan ( Amherstburg) : Woolmith quarry, Monroe County, Michigan. MEROCRINUS Walcott. Genotype: M. typus Walcott. Merocrinus Walcott, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 208, fig. (adv. sheets, 1883, p. 2). — Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, pp. 115, 139 (Rev. Pal., pt. 3, sec. 2, pp. 191, 215); ibid., 1890, p. 380.— Faber, Jour. Cincinnati Soc. Nat. Hist., 9, 1886, pp. 18, 19.— Miller, N. A. Geol. Pal., 1889, p. 262.— Bather, Geol. Mag., dec. 4, 6, 1899, p. 33, fig. 4; Ann. Mag. Nat. Hist., 6th eer., 5, 1890, p. 332, pi. 14, fig. 11; Geol. Mag., dec. 4, 3, 1896, p. 73; Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 178, fig. 96; Bull. Victoria Memorial Mus., 1, 1913, p. 1.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913. p. 215. Merocrinus corroboratus Walcott. Merocrinus corroboratus Walcott, 35th Rep. New York State Mus. Nat. Hist., 1882, p. 210, pi. 17, fig. 6. Trenton: Trenton Falls, New York. Merocrinus curtus (Ulrich). Dendrocrinus curtus Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 18, pi. 7, fig. 14. Merocrinus curtus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, p. 140 (Rev. Pal., pt. 3, sec. 2, p. 216).— Faber, Jour. Cincinnati Soc. Nat. Hist., 9, 1886, p. 19, pi. 1, fig. 2.— Miller, N. A. Geol. Pal., 1889, p. 262, fig. 367. Eden (Fulton): Cincinnati, Ohio, and vicinity. Holotype.—Czt. No. 42103, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 801 Merocrinus typus Walcott. Merocrinus typus Walcott, 35th- Rep. New York State Mus. Nat. Hist., 1884, p. 209, pi. 17, fig. 5 (adv. sheets, 1883). Trenton: Trenton Falls, New York; West Covington, Kentucky. MESOMPHALUS Ulrich and Bassler. Genotype: M. hartley! Ulrich and Bassler. Mesomphalus Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 522. Mesomphalus hartley! Ulrich and Bassler. Mesomphalus hartley! Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 523, pi. 95, figs. 22-24; pi. 96, figs. 1-3. Helderbergian (Keyser): Cumberland, Maryland; Keyser, West Virginia. Cotypes.—G&t. No. 53304, U.S.N.M. Mesomphalus submarginata Ulrich and Bassler. Mesomphalus submarginata Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 523, pi. 96, figs. 4, 5. Helderbergian (Keyser): Cumberland, Maryland. Holotype.—Czt. No. 53308, U.S.N.M. MESOPAL^ASTER Schuchert. Genotype: Palseaster shsefferi Hall. Palseaster (part) of authors. ?Argaster Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 287; rev. ed., 1868-1870, p. 329 (nom. mid.). Mesopalaeaster Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 24; Bull. U. S. Nat. Mus., 88, 1915, p. 74. Mesopalaeaster antiquus (Troost). Asterias antiqua Troost (not Hisinger, 1837), Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 232, pi. 10, fig. 9; 5th Geol. Rep. Tennessee, 1840, pp. 11, 55; ibid., 6th Rep., 1841, p. 176; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 59. Petraster(?) antiqua Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 386 (gen. ref.). Palseaster (Argaster) antiqua Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 287; rev. ed., 1870, p. 329. Palseaster antiqua James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 133. — Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 105, pi. 8, fig. 1. Argaster antiqua Gregory, Geol. Mag., dec. 4, 6, 1899, p. 345 (gen. ref.). Mesopalaeaster antiquus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 24; Bull. U. S. Nat. Mus., 88, 1915, p. 86. Trenton (Catheys) : Harpeth River, Davidson County, Tennessee. Mesopalaeaster bellulus (Billings). Petraster bellulus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 393, fig. 368.— Miller, N. A. Geol. Pal., 1889, p. 269, fig. 389. Mesopalaeaster bellulus Schuchert, in Freeh, Foss. Cat.. 1, Anim., pt. 3, 1914, p. 24; Bull. U. S. Nat. Mus., 88, 1915, p. 91, fig. 7. Clinton (Rochester) : Grimsby, Ontario. Mesopalaeaster(?) cataractensis Schuchert. Mesopalseaster(?) cataractensis Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25 (nom. mid.); Bull. U. S. Nat. Mus., 88, 1915, p. 89, pi. 9, fig. 2. Upper Medinan (Cataract): Hamilton, Ontario. Mesopalaeaster dubius (Miller and Dyer). Palaeaster dubius Miller and Dyer, Cont. to Pal., No. 2, 1878, p. 5, pi. 4, fig. 8.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 130. 802 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Mesopalaeaster dubius — Continued. Mesopalseaster(?) dubius Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 85. Trenton (Upper): West Covington, Kentucky. Mesopalseaster fine! (Ulrich). Palaeaster finei Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 19, pi. 7, figs. 15, 15a, b.— James, ibid., 18, 1895, p. 130. Mesopalseaster finei Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 81, pi. 7, fig. 5; pi. 9, fig. 5. Eden (Fulton): Cincinnati, Ohio, and vicinity. Mesopalseaster grant! (Spencer). . Palseaster granti Spencer, Bull. Missouri State Mus., 1, 1884, p. 53, pi. 7, fig. 1; Trans. Acad. Sci. St. Louis, 4, 1884, p. 603, pi. 7, fig. 1. Mesopalseaster granti Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 89, pi. 9, fig. 3. Upper Medinan (Cataract): Hamilton, Ontario. Mesopalaeaster intermedius Schuchert. Mesopalseaster intermedius Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25 (nom. nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 79, pi. 9, fig. 4. Maysville: Cincinnati, Ohio. Mesopalseaster(?) lanceolatus Schuchert. Mesopalseaster(?) lanceolatus Schuchert, in Freeh, Fosa. Cat., 1, Anim., pt. 3, 1914, p. 25 (nom. nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 82, pi. 4, fig. 3. Utica: Near Rome, New York. Mesopalseaster parviusculus (Billings). Paleeaster parviusculus Billings, Canadian Nat. Geol., 5, 1860, p. 69, fig. — Dawson, Acadian Geol., 2d ed., p. 594, fig. 197. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 578, fig.— Hudson, Bull. New York State Mus., 164, 1913, p. 110, pis. 1-4. Mesopalseaster(?) parviusculus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 87, pi. 9, fig. 1. Silurian: Arisaig, Nova Scotia. Mesopalseaster proavitus Schuchert. Mesopalseaster proavitus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25 (nom. nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 83. Eden (Economy): Covington, Kentucky. Mesopalseaster shseflferi (Hall). Palseaster shaefferi Hall, 20th Rep. New York State Cab. Hist., p. 284; rev. ed., 1870, p. 326, pi. 9, fig. 1.— Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 66, pi. E(4), fig. 1.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 578, fig.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 131. Mesopalseaster shsefferi Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 77, pi. 8, figs. 1, 2. Maysville (Fairmount): Cincinnati, Ohio. ^ Richmond (Waynesville) : Waynesville, Ohio. Mesopalaeaster wilberanus (Meek and Worthen). Petraster wilberanus Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 13, 1861, p. 142.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 134. Palseaster wilberanus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 285; rev. ed., 1870, p. 328. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 803 Mesopalaeaster wilberanus — Continued. Mesopalgeaster(?) wilberanus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 25; Bull. U. S. Nat. Mus., 88, 1915, p. 84. Richmond: Oswego, Kendall County, Illinois. MESOTRYPA Ulrich. Genotype: Diplotrypa infida Ulrich. Diplotrypa (in part) Nicholson, Paleozoic Tabulate Corals, 1879, p. 312; Genus Monticulipora, 1881, pp. 101, 155. — Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 153.— Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 13.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 378. Mesotrypa Ulrich, Geol. Minnesota, 3, 1893, p. 257.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, p. 30.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 27. — Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 130. — Hennig, Archiv. furZool., 4, No. 21, 1908, p. 29.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 196. Mesotrypa angularis Ulrich and Bassler. Mesotrypa angularis Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 23, pi. 7, figs. 7-9. Trenton: Frankfort, Burgin and CurdsviMe, Kentucky (Hermitage); Ottawa, etc., Ontario. Holotype.—Vat. No. 43182, U.S.N.M. Mesotrypa discoidea Ulrich. Mesotrypa discoidea Ulrich, Geol. Minnesota, 3, 1893, p. 260, fig. 16. Dianulites discoidea Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). Trenton (Prosser) : Goodhue County, Minnesota. Holotype.—C&t. No. 43544, U.S.N.M. Mesotrypa echinata Ulrich and Bassler. Mesotrypa echinata Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 22, pi. 7, figs. 4-6. Trenton (Hermitage): Nashville, Tennessee; Danville and Frankfort, Kentucky. Holotype.—C&t. No. 44056, U.S.N.M. Mesotrypa infida (Ulrich. Diplotrypa infida Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1886, p. 88. Mesotrypa infida Ulrich, Geol. Minnesota, 3, 1893, p. 258, pi. 17, figs. 1-8; Zittel's Textb. Pal. (Engl. ed.), 1896, fig. 453 (p. 273).— Bassler, Zittel-Eastrnan Textb. Pal., 1913, p. 333, fig. 479. Black River (Decorah): Minneapolis, St. Paul, and Goodhue and Fillmore counties, Minnesota. Cotypes.—Q&t. Nos. 43542, 43543, U.S.N.M. MESOTRYPA MILLERI Nickles and Bassler. See Mesotrypa nummiformis. Mesotrypa nummiformis (Hall). Callopora nummiformis Hall, Pal. New York, 2, 1852, p. 148, pi. 40, figs. 5a, b. Calloporella? nummiformis Ulrich, Geol. Surv. Illinois, 8, 1890, p. 416. Mesotrypa nummiformis Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 27, pi. 10, figs. 1-4. Diplotrypa milleri Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 245, pi. 11, figs. 2-2c. Mesotrypa milleri Nickles and Bassler, Bull. U. S. Geol. Surv. 173, 1900, p. 312. Clinton: Lockport, Rochester, etc., New York; Grimsby, Hamilton, etc., Onta- rio (Rochester); Osgood, Indiana (Osgood). Pksiotypes.—C&t. Nos. 35544, 43659, U.S.N.M. (holotype of D. milleri). 804 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Mesotrypa orbiculata Cumings and Galloway. Mesotrypa orbiculata Cumings and Galloway, 37th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1913, p. 80, pi. 14, figs. 1-lb. Richmond (Arnheim): Big Four Railroad, near Harmon's Station, Indiana. Mesotrypa patella (Ulrich). Diplotrypa patella Ulrich, Geol. Surv. Illinois, 8, 1890, p. 458, pi. 33, figs. 2-2c.— J. F. James, Jour. Cincinnati Soc. Nat. Hist., 16, 1894, p. 184. Mesotrypa patella Ulrich, Geol. Minnesota, 3, 1893, p. 257. Dianulites patella Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). Richmond (Whitewater): Oxford, Ohio; Richmond, Indiana. Holotype.—C-dt. No. 43306, U.S.N.M. Mesotrypa quebecensis (Ami). Diploti-ypa Quebecensis Ami, Canadian Rec. Sci., 5, 1892, p. 101. Mesotrypa quebecensis Ulrich, Geol. Minnesota, 3, 1893, p. 259, figs. 15, c, f. — Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 130, fig. 186f.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 24, figs. 3, 4. Dianulites quebecensis Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). Trenton: Quebec, etc., Quebec; Bridport, Vermont; Trenton Falls and Little Falls, New York; Frankfort, Burgin, and Danville, Kentucky (Hermitage); Decorah, Iowa (Prosser). Plesiotype.—Ca,t. No. 43540, U.S.N.M. Mesotrypa regularis (Foord). Diplotrypa regularis Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 13, pi. 1, figs. 3-3c. Mesotrypa regularis Ulrich, Geol. Minnesota, 3, 1893, p. 257. Trenton: Ottawa, Ontario. Mesotrypa? rotunda Ulrich. Mesotrypa? rotunda Ulrich, Geol. Minnesota, 3, 1893, p. 262, fig. 17. Dianulites rotunda Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). Trenton (Prosser): Hader, Minnesota. Holotype.—C&t. No. 43545, U.S.N.M. Mesotrypa selkirkensis Whiteaves. Mesotrypa selkirkensis Whiteaves, Pal. Foss., 3, 1897, p. 162, pi. 19, figs. 1, la. Dianulites selkirkensis Miller, N. A. Geol. Pal., 2d App., 1897, p. 728 (gen. ref.). ' .Black River or Richmond: East Selkirk, Manitoba. Mesotrypa? spinosa Ulrich. Mesotrypa? spinosa Ulrich, Geol. Minnesota, 3, 1893, p. 259, pi. 17, figs. 9-12. Black River (Decorah): Minneapolis and St. Paul, Minnesota. Cotypes.—C&t. No. 43546, U.S.N.M. Mesotrypa whiteavesi (Nicholson). Chaetetes petropolitanus (part) Nicholson, Quar. Jour. Geol. Soc. London, 30, 1875, p. 510, pi. 30, figs. 5, 5c; Pal. Ohio, 2, 1875, p. 204, pi. 21, figs. 14-14b; Geol. Mag., n. s., 2, 1875, p. 175; Ann. Mag. Nat. Hist., 4th ser., 18, 1876, p. 88, pi. 5, figs. 6a (not 6). Monticulipora (Diplotrypa) whiteavesii Nicholson, Paleozoic Tabulate Corals, 1876, p. 316, pi. 13, figs. 4-4\> (not pi. 14, 1); Genus Monticulipora, 1881, p. 160, fig. 31. Monticulipora whiteavesii James and James, Jour. Cincinnati Soc. Nat. Hist., 10, 1888, p. 169; J. F. James, ibid., 16, 1894, p. 187. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 805 Mesotrypa whiteavesi — Continued. Mesotrypa whiteavesii Ulrich, Geol. Minnesota, 3, 1893, figs. 15g, h. Trenton: Peterboro, etc., Ontario. Plesiotype.—Cat. No. 43541, U.S.N.M. METABLASTUS SUBCYLINDRICA Etheridge and Carpenter. See Troostocrinus subcy- lindrica. METOPIAS Eichwald. See Metopolichas Gurich. METOPOLICEAS Gurich. Genotype: M. hubneri Eichwald. Metopias Eichwald, Die Urwelt Russ., 1842, p. 62.— Loven, Ofvers. K. Vet.- Akad. Forhandl., 2, 1845, p. 53.— Schmidt, Mem. 1'Acad. Imp. Sci. St. Petersburg, 7th ser., 33, 1885, pp. 30, 39.— Koken, Die Leitfossilien, Leipzig, 189G, p. 30. Metopolichas Gurich', Neues Jahrb. Min., Geol. Pal., 14, Beilage-Band, 1901, p. 521, pi. 20, fig. 17.— Reed, Quart. Jour. Geol. Soc. London, 58, 1902, p. 61.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 311. Metopolichas breviceps (Hall). Lichas breviceps Hall, Trans. Albany Inst., 4, 1863, p. 222.— Hall and Whitfield, Pal. Ohio, 2, 1875, p. 156, pi. 6, fig. 17.— Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 34, figs. 1-7; mus. ed., 1879, p. 197, pi. 34, figs. 1-7; llth Rep. Dep: Geol. and Nat. Hist., Indiana, 1882, p. 343, pi. 36, figs. 1-7.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 195, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 337, figs. Metopolichas breviceps Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 311. Niagaran (Waldron): Waldron, Indiana; Newsom, Tennessee. Metopolichas breviceps clintonensis (Foerste). Lichas breviceps Foerste, Bull. Sci. Lab. Denison Univ., 1, 1885, p. 112, pi. 13, fig. 26a-d; ibid., 2, 1887, p. 98, pi. 8, figs. 18, 19. Lichas breviceps 'clintonensis Foerste, Geol. Surv. Ohio, 7, 1895, p. 529, pi. 25, figs. 26a-e; pi. 27, figs. 18, 19; Jour. Geol., 11, 1903, p. 706 (loc. occ.). Metopolichas breviceps clintonensis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 105, pi. 6, figs. 13, 14. Upper Medinan : Dayton, etc., Ohio; Hanover, Indiana (Brassfield); near Thebes, Illinois; Edgewood and Louisiana, Missouri (Edgewood). Metopolichas ferrisi Weller. Metopolichas ferrisi Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 244, pi. 22, figs. 12-13.— Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 122, pi. 7, figs. 23, 24. Upper Medinan (Channahon) : Near Channahon, Will County, Illinois. Metopolichas pugnax (Winchell and Marcy). Lichas pugnax Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 103, pi. 3, figs. 10a-c.— Hall, 20th Rep. New York State Cab. Nat. Hist., rev. ed., 1870, p. 424, pi. 25, fig. 20; also p. 433. Metopolichas pugnax Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 242, pi. 21, figs. 1-4. Niagaran (Racine): Bridgeport, Illinois. METOPTOMA Phillips. Genotype: M. oblonga Phillips. Metoptoma Phillips, Geol. Yorkshire, pt. 2, 1836, p. 223.— D'Orbigny, Prodr. de Pal., 1, 1849, p. 73.— Woodward, Man. Mollusca, pt. 1, 1851, p. 155.— McCoy, British Pal. Rocks and Foss., 1854, p. 523.— Billings, Pal. Foss., 1, 806 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. MBTOPTOMA— Continued. Geol. Surv. Canada, 1862, p. 86.— Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 266; Geol. Surv. Illinois, 3, 1868, p. 506.— Zittel, Handb. Pal., 2, 1882, p. 176.— Koninck, Ann. d. Mus. Royal d'Hist. Nat. de Belgique, 8, 1883, p. 187.— Koken, Neues Jahrb. Min. Geol. Pal., 6, Beilage- Band, 1889, p. 422.— Miller, N. A. Geol. Pal., 1889, p. 409.— Koken, Die Leitfossilien, Leipzig, 1896, p. 94, fig. 72, figs. 1, 2.— Berkey, Amer. Geol., 21, 1898, p. 278.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 442. Observation. — Although numerous species have been referred to Metoptomaby American authors, it is probable that none of them possesses the essential features of the genus. Metoptoma is apparently the European representative of the Ameri- can Carboniferous genus Lepetopsis Whitfield. METOPTOMA Billings, and other authors. See Archinacella Ulrich and Scofield, and Triblidium Lindstrom. Metoptoma?? alceste Billings. Metoptoma Alceste Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 153, text figs. 133a, b (adv. sheets, 1862); Cat. Sil. loss. Anticosti Geol. Surv. Canada, 1866, p. 18. Richmond (English Head): English Head, Anticosti. METOPTOMA ALTA Whitfield. See Scenella? alta. METOPTOMA? ANALOGA Walcott. See Scenella analoga. Metoptoma?? augusta Billings. Metoptoma Augusta Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 88. (Adv. sheets, 1862.) Ozarkian? (Levis-erratics) : Point Levis, Quebec. Metoptoma?? auomala Billings. Metoptoma anomala Billings, Pal. Foss., 1, Geol. Surv.' Canada, 1865, p. 89, figs. 81a, b. (Adv. sheets, 1862.) Ozarkian? (Levis-erratics): Point Levis, Quebec. METOPTOMA BARABUENSIS Whitfield. See Tryblidium barabuense. METOPTOMA BILLINGSI Walcott. See Archinacella? billingsi. METOPTOMA CANADENSIS Miller. See Priscochiton canadensis. METOPTOMA CORNUTAFORME Walcott. See Tryblidium cornutaforme. METOPTOMA DEFORMIS Billings. See Archinacella deformata. METOPTOMA DUBIA Hall. See Archinacella deformata. METOPTOMA ERATO Billings. See Tryblidium erato. METOPTOMA ESTELLA Billings. See Archinacella estella. METOPTOMA EUBULE Billings. See Tryblidium eubule. METOPTOMA EXPLANATA Sardeson. See Archinacella perovalis. METOPTOMA HYRIE Billings. See Tryblidium hyrie. METOPTOMA INSTABILIS Billings. See Archinacella instabilis. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 807 Metoptoma?? melissa Billings. Metoptoma Melissa Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 86 (adv. sheets, 1862). Ozarkian? (Levis — erratics): Point Levis, Quebec. METOPTOMA MONTREALENSIS Billings. See Scenella montrealensis. METOPTOMA MONTREALENSIS Raymond. See Archinacella propria. METOPTOMA NIOBE Billings. See Tryblidium niobe. METOPTOMA NYCTEIS Billings. See Tryblidium nycteis. METOPTOMA ORITHYIA Billings. See Scenella orithyia. METOPTOMA ORPHYNE Billings. See Palseacmsea orphyne. METOPTOMA PEROVALIS Whitfield. See Archinacella perovalis. METOPTOMA PHILLIPSI Walcott. See Archinacella phillipsi. METOPTOMA QUEBECENSIS Billings. See Palseacmaea quebecensis. METOPTOMA RECURVA Whitfield. See Hypseloconus recurvus. METOPTOMA RETRORSA Whitfield. See Tryblidium retrorsum. METOPTOMA SIMILIS Whitfield. See Archinacella similis. METOPTOMA SIMPLEX Billings. See Archinacella simplex. METOPTOMA SUPERBA Billings. See Scenella superba. METOPTOMA TRENTONENSIS Billings. See Archinacella trentonensis. METOPTOMA VENILLIA Billings. See Scenella? venillia. MICHELINIA Dekoninck. Genotype: Manon favosum Goldfuss. M?jchelinia Dekoninck, Desc. Animaux Fossiles, Liege, 1842, p. 29. — Dana,Wilkes U. S. Expl. Exped., 1838-42, 7, Zoophytes, 1846, p. 362.— Edwards and Haime, Compt. Bend. Acad. Sci., 29, 1849, p. 260; Mon. Polyp. Foss. Terr. Pal. (Arch, du Mus. d'Hist. Nat., 5), 1851, pp. 152, 249.— McCoy, British Pal. Bocks Foss., 1854, p. 80.— King, Ann. Mag. Nat. Hist., 2d ser., 17, 1856, p. % 137.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 441.— Billings, Geol. Surv. Can- ada, Bep. Progr. for 1857, 1858, p. 173; Canadian Nat. Geol., 3, 1858, p. 426; Canadian Jour., n. s., 4, 1859, p. 111. — Milne Edwards, Hist. Nat. Corall., 3, 1860, p. 259.— Bominger, Amer. Jour. Sci. Arts, 2d ser., 34, 1862, pp. 391, 399. — Koninck, Animaux Foss. Terr. Carb. Belgique (Mem. 1'Acad. Boyal Sci. de Belgique, 39), 1872, p. 130.— Nicholson, Bep. Pal. Prov. Ontario, pt. 1, 1874, p. 63.— Lindstrom, Ann. Mag. Nat. Hist., 4th ser., 18, 1876, p. 12 - Bominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 72.— Nicholson, Tab. Corals Pal. Period, 1879, p. 139, 151.— Zittel, Handb. Pal., 1, 1879, p. 235.— Boemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 429.— Waagen and Wenzel, Mem. Geol. Surv. India, Pal. Indica, 13th ser., 1, 1886, p. 848.— Hall and Simpson, Pal. New York, 6, 1887, p. 12.— Miller, N. A. Geol. Pal., 1889, p. 196.— Sardeson, Neues Jahrb. 1 Min., Geol. Pal., Beilage-Band, 10, 1896, p. 294.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 37.— Zittel-Eastman Textb. Pal., 1, 1900, p. 101; ibid., 2d ed., 1913, p. 115. 808 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Michelinia louisvillerisis Greene. Michelinia louisvillensis Greene, Cont. Indiana Pal., pt. 3, 1899, p. 20, pi. 8, figs. 10-12. Niagaran (Louisville): Near Louisville, Kentucky. Michelinia niagarensis Davis. Michelinia niagarensis Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 39, fig. 2. Niagaran (Louisville): Near Louisville, Kentucky. Michelinia prima Davis. Michelinia prima Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 39, figs. 3-5; pi. 40, fig. 1. Niagaran (Louisville): Louisville, Kentucky. MICROCERAS Hall. Genotype: M. inoruatum Hall. Microceras Hall, Amer. Jour. Sci., 48, 1845, p. 249.— Meek, Geol. Surv. Ohio, Pal. 1, 1873, p. 148.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 311.— Koninck, Ann. Mus. Royal d'Hist. Nat. de Belgique, 8, 1883, p. 123, footnote.— Miller, N. A. Geol. Pal., 1889, p. 410.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 847.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res., Indiana, 1908, p. 951. Discolites Emmons, Amer. Geology, 1, pt. 2, 1855, p. 234 (Genotype: D. ininutus Emmons). Microceras inornatum Hall. Microceras inornatus Hall, Amer. Jour. Sci. Arts, 48, 1845, p. 294. — Miller, Cin- cinnati Quart. Jour. Sci., 1, 1874, p. 312. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 970, pi. 40, figs. 9, 9a. Cyrtolites (Microceras) inornatus Meek, Geol. Surv. Ohio, Pal. 1, 1873, p. 147, pi. 13, figs. 4a, b. Cyrtolites subcompressus Meek, Geol. Surv. Ohio, Pal. 1, 1873, p. 147 (under C. inornatus). Discolites minutus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 234. Maysville and Richmond: Cincinnati, Ohio, and vicinity; Indiana; Kentucky; Tennessee; etc. Microceras minutissimum Ulrich. Microceras minutissimum Ulrich, Jour. Cin. Soc. Nat. Hist., 2, 1879, p. 13,' pi. 7, fig- 8. Maysville (Fairmount): Hamilton, and Cincinnati, Ohio. Cotypes.—^i. No. 46048, U.S.N.M. MICRODISCUS Emmons. See Ampyx Dalman. MICROPORA Eichwald. See Stictoporella Ulrich. MICROSPONGIA Miller and Dyer. See Hindia Duncan. MILLEPORA REPENS Fought. See Alveolites repens. MILLERIA Davis. See Dictyostroma Nicholson. MIMULUS Barrande. Genotype: M. perversus Barrande. Mimulus Barrande, Syst. Sil. du Centre Boheme, 5, pt. 1, 1879, p. 109, pi. 9 (Ext. ibid., p. 173).— Zittel, Handb. Pal., 1, p. 684.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 272; llth Ann. Rep. New York State Geol., 1894, p. 289.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 315; ibid., 2d ed., 1913, p. 388. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 800 Mimulus waldronensis (Miller and Dyer). Spirifera(?) waldronensis Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 37, pi. 2, fig. 3. Triplesia putillus Hall, Desc. New Sp. Foss., Waldron, Ind., 1879, p. 16; llth Rep. State Geol. Indiana, 1882, p. 298, pi. 27, figs. 19-22; Trans. Albany Inst., 10, 1883, p. 72.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1226, figs. Streptis waldronensis Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 301, pi. 3, figs. 9, 10. Mimulus waldronensis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 273, pi. 11C, figs. 23-28. Niagaran (Waldron): Waldron, Indiana; Newsom, Tennessee. MITOCLEMA Ulrich. Genotype: M. cinctosum Ulrich. Mitoclema Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 150, Geol. Surv. Illinois, 8, 1890, pp. 336, 369; Geol. Minnesota, 3, 1893, p. 122.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 13.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 598.— Nickles and Bassler, Bull. U. S: Geol. Surv., 173, 1900, p. 22.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 18.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 120.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 69. Mitoclema cinctosum Ulrich. Mitoclema cinctosum Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 159, pi. 6, figs. 7, 7a; Ulrich, Geol. Surv. Illinois, 8, 1890, pi. 53, figs. 8-8b.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, figs. 205, 206 (p. 599). Enallopora cinctosa, Miller, N. A. Geol. Pal., 1889, p. 301 (gen. ref.). Stones River (Ridley): Bottom of gorge, High Bridge, Kentucky: Murfreesboro, Tennessee. Cotypes.—Gat. No. 43270, U.S.N.M. Mitoclema? mundulum Ulrich. Mitoclema? mundulum Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 177. figs. 4a-c; Geol. Minnesota, 3, 1893, p. 123, pi. 2, figs. 4-6.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 121, figs. 178g, h.— Bassler, Bull. U. S. Nat. Mus. 77, 1911, pp. 70, 71, fig. 16. Trenton (Prosser): Cannon Falls, Minnesota. Middle Ordovician (Kuckers): Near Jewe, Esthonia, Russia. Cotypes and plesiotypes.—V&t. Nos. 43297, 57187, U.S.N.M. Mitoclema sarlei Bassler. Mitoclema sarlei Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 18, pi. 5, figs. 10-12. Clinton (Rochester): Rochester, New York. Cotypes.— Cat. No. 35460, U.S.N.M. MITROCERAS Hyatt. Genotype: Trochoceras gebhardi Hall. Mitroceras Hyatt, Proc. American Phil. Soc., 32, 1894, p. 503.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 775.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 74. Trochoceras Hall (not Barrande, 1847) Nat. Hist. New York Pal., 2, 1852, p. 335; 15th Rep. New York State Cab. Nat. Hist., 1862, p. 64.— Miller, N. A. Geol. Pal., 1889, p. 455.— Grabau Bull. New York State Mus. 9, 1901, p. 217; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 217. 810 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Mitroceras gebhardi (Hall). Trochoceras gebhardii Hall, Pal. New York, 2, 1852, p. 335, pi. 77, fig. 2; pi. 77a, figs, la-d.— Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 371, pi. 21, figs. 3a-b; Bull. New York State Mus., 45, 1901, p. 217, fig. 149; ibid., 92, 1906, p. 110, figs. 16, 17; Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 199, pi. 31, figs. 3a-b. Mitroceras gebhardi Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 75, figs. 1289, 1290. Cayugan: Schoharie (Cobleskill), Buffalo and Williamsville, New York (Akron). MITROCRINUS Miller and Gurley. Genotype: M. wetherbyi Miller and Gurley. Mitrocrinus Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 5, 1894, p. 22.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 748.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 203. Mitrocrinus wetherbyi Miller and Gurley. Mitrocrinus wetherbyi Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 5, 1894, p. 22, pi. 2, figs. 4-6.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 748, fig. 1364. Chazyan (Ottosee): Knox County, Tennessee.' MODIOLA OBTUSA Hall. See Modiolopsis obttisa. MODIOLODON Ulrich. Genotype: Modiolopeis oviformis Ulrich. Cyrtodonta (part) Safford, Geol. Tennessee, 1869, p. 287. Modiolopsis (part) Ulrich, Amer. Geol., 5, 1900, p. 276. Modiolodon Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 521; Geol. Surv. Ohio, 7, 1893, p. 652.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 981.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 516. Modiolodon arcticus Schuchert. Modiolodon arcticus Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 161, pi. 13, figs. 18, 19. Trenton: Head of Frobisher Bay, Baffin Land. Holotype.—C&t. No. 28166, U.S.N.M. Modiolodon declivis Ulrich. Modiolodon declivis Ulrich, Geol. Surv. Ohio, 7, 1893, p. 654, pi. 53, figs. 3 and 4.— Cumings, 32d Ann. Hep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1005, pi. 46, figs. 2, 2a. Richmond (Whitewater) : Richmond, Indiana. Holotype.—C&t. No. 46227, U.S.N.M. Modiolodon ganti (Safford). Cyrtodonta Gantii Safford, Geol. Tennessee, 1869, p. 287, pi. 1 (E), figs. la-h. Modiolodon Gantii Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 521, fig. 40d. Cypricardites ganti Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). Trenton (Hermitage): Wilson County, Tennessee. Cotypes.—Czt. No. 46228, U.S.N.M. Modiolodon(?) gibbus Ulrich. Modiolodon(?) gibbus Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 522, pi. 35, figs. 28, 29. Modiolopsis gibba Miller, N. A. Geol. Pal., 2d App., 1897, p. 782 (gen. ref.). Black River: Near Cannon Falls, Minnesota (Decorah); Lincoln County, Mis- souri (Auburn). Eolotype.—Csit. No. 46229, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 811 Modiolodon obtusus Ulrich. Modiolopgis modiolaris Hall and Whitfield (not Hall), Pal. Ohio, 2, 1875, pi. 2, fig. 17. Modiolodon obtusus Ulrich, Geol. Surv. Ohio, 7, 1893, p. 654, pi. 52, figs. 20 and 21.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1005, pi. 46, figs. 4, 4a. Maysville (Bellevue): Cincinnati, Ohio, and vicinity. Cotypes.—Cat. No. 46230, U.S.N.M. Modiolodon oviformis (Ulrich). Modiolopis oviformis Ulrich, Amer. Geol., 5, 1890, p. 276, fig. 4a-c. Modiolodon oviformis Ulrich, Geol. Surv. Ohio, 7, 1893, p. 652, pi. 53, figs. 7 and 8.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 521, fig. 40g.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 516, figs. 693, 694a. Trenton (Hermitage): Boyle, Mercer, Anderson, and Franklin Counties, Ken- tucky; Wilson County, Tennessee. Eolotype and plesiotype.—Csit. Nos. 46231, 46232, U.S.N.M. Modiolodon oviformis amplus Ulrich. Modiolodon oviformis var. amplus Ulrich, Geol. Surv. Ohio, 7, 1893, p. 653, pi. 53, figs. 1 and 2. Trenton (Hermitage): Frankfort, Kentucky. Cotypes.—C&t. No. 46233, U.S.N.M. Modiolodon patulus Ulrich. Modiolodon patulus Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 521, pi. 37, figs. 20-24.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 5l6%fig. 694b, c. Modiolopsis patulus Miller, N. A. Geol. Pal., 2d App., 1897, p. 782 (gen. ref.). Trenton: Kenyon, Goodhue County, Minnesota; Decorah, Iowa (Prosser); Dan- ville, Kentucky. Cotypes—C&t. Nos. 46234, 46727, U.S.N.'M. Modiolodon poststriatus Foerste. Modiolodon poststriatus Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 294, pl. 1, ng. 7. Cincinnatian (Pulaski) : Near Vars, Quebec. . Modiolodon subovalis Ulrich. Modiolodon subovalis Ulrich, Geol. Surv. Ohio, 7, 1893, p. 655, pl. 51, figs. 11-13.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1006, pl. 46, figs. 3-3b. Richmond ( Arnheim-Waynesville) : Versailles, Indiana. Cotypes.—Csxt. No. 46236, U.S.N.M. Modiolodon subrectus Ulrich. Modiolodon subrectus Ulrich, Geol. Surv. Ohio, 7, 1893, p. 653, pl. 53, figs. 5, 6.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1007, pl. 46, figs. 5-5a. Modiolopsis subrectus Miller, N. A. Geol. Pal., 2d App., 1897, p. 782 (gen. ref.). Richmond (^V^iitewater) : Richmond, Indiana. Holotype—G&t. No. 46237, U.S.N.M. Modiolodon subrhomboideus Branson. Modiolodon subrhomboideus Branson, Trans. Acad. Sci. St. Louis, 18, 1909, p. 41, pl. 7, fig. 1. Black River (Auburn-Decorah) : Lincoln County, Missouri. 84243°— Bull. 92— vol 2—15 7 812 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Modiolodon truncatus (Hall). Modiolopsis truncatus Hall, Pal. New York, 1, 1847, p. 296, pi. 81, figs. 3a, b.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 217.— Hall and Whitfield, Geol. Surv. Ohio, Pal. 2, 1875, p. 86, pi. 2, fig. 13.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 412, fig. Eurymya? truncata (changed to Modiolodon truncata on p. 628) Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 512 (gen. ref.). Modiolodon truncatus Ulrich, Geol. Surv. Ohio, 7, 1893, p. 656, pi. 51, figs. 9-10.— Cumings, 32d Ann. Rep. Dept. Geol. Nat. Res. Indiana, 1908, p. 1008, pi. 46, figs 6, 6a. Lyonsia subtruncata D'Orbigny, Prodr. Pal., 1, p. 11 (proposed for Modiolopsis truncatus Hall, 1847; not M. truncata Agassiz, 1842). — Emmons, Amer. Geology, 1, pt. 2, 1855, p. 171, pi. 17, fig. 4. Cincinnatian: Near Rome, New York (Pulaski); Cincinnati, Ohio, and vicinity (Fairmount-Corryville) . Plesiotypes.—Vzt. Nos. 46238, 46239, U.S.N.M. Modiolodon winchelli (Safford). Cyrtodonta winchelli Safford, Geol. Tennessee, 1869, p. 287, pi. L (E), figs. 2a-i. Modiolodon winchelli Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 521, fig. 40e-f. • Cypricardites winchelli Miller, N. A. Geol. Pal. 1889, p. 477 (gen. ref.). Trenton (Hermitage): Wilson County, Tennessee. Plesiotypes.—Cat. No. 46240, U.S.N.M. MODIOLOPSIS (part) of authors. See Eurymya, Allodesrna, Modiolodon, and White- avesia Ulcich. MODIOLOPSIS Hall. Genotype: Cypricardites modiolaris Conrad. Modiolopsis Hall, Pal. New York, 1, 1847, p. 157.— McCoy, British Pal. Rocks Foss., 1854, p. 265.— Woodward, Man. Mollusca, pt. 2, 1854, p. 266.— Pictet, Traite" de Pal., 2d ed., 3, 1855, p. 533.— Hall, Pal. New York, 3, 1859, p. 14, 269 and 270, footnote; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 9.— Hitchcock, Geol. Vermont, 1, 1862, p. 296.— Salter, Cat. Camb. Sil. Foss., 1873, p. 65.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 216.— Zittel, Handb. Pal., 2, 1881, p. 44.— Barrande, Syst. Sil. du Centre Boheme, 6, 1881, p. 107.— Miller, N. A. Geol. Pal., 1889, p. 489.— Barrois, Ann. Soc. Geol. du Nord., 19, Lille, 1891, p. 206.— Whidborne, Mon. Dev. Fauna South England, 1, Pal. Soc., 1892, p. 40.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 502.— Koken, Die Leitfossilien, Leipzig, 1896, p. 191.— Ball, Zittel-EastmanTextb. Pal., 1, 1900, p. 385; ibid., 2d ed., 1913, p. 462 — Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 209; Bull. New York State Mus., 45, 1901, p. 209.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 981. — Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 511. Modiolopsis adrastia Billings. Modiolopsis Adrastia Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 45. (Adv. sheets, 1862.) Black River: St. Joseph's Island, Lake Huron. Modiolopsis afflnis Sardeson. Modiolopsis affinis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 73, pi. 2, fig. 9. St. Peter: South St. Paul, Minnesota. MODIOLOPSIS ALATA Ulrich. See Eurymya alata. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 813 Modiolopsis angustata Ulrich. Modiolopsis angustata Ulrich, Amer. Geol., 5, 1890, p. 283, fig. lOa-c. Eden (Southgate) : Covington, Kentucky. Holotype.—C&t. No. 46241, U.S.N.M. Modiolopsis angustifrons Whiteaves. Modiolopsis angustifrons Whiteaves, Pal. FOBS., Geol. Surv. Canada, 3, pt. 3, 1897, p. 183, pi. 20, fig. 4. Black River or Richmond: Lower Fort Garry, Lake Winnipeg, Manitoba. MODIOLOPSIS ANODONTOIDES Hall. See Modiolopsis sinuata. Modiolopsis arcuata Hall. Modiolopsis arcuatus Hall, Pal. New York, 1, 1847, p. 159, pi. 35, fig. 8. Avicula subarcuata Emmons, Amer. Geology, 1, pt. 2, 1855, p. 176, pi. 13, fig. 31. • Modiolopsis subarcuata D'Orbigny, Prodr. Pal., 1, 1850, p. 13. Trenton: Herkimer, New York. Modiolopsis arguta Ulrich. Modiolopsis arguta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 506, pi. 36, figs. 3-6. Black River (Decorah): Minneapolis, St. Paul, Fountain, etc., Minnesota. Colyp&t.—C&t. Nos. 46242, 46243, U.S.N.M. MODIOLOPSIS AVICULOIDES Hall. See Prolobella aviculoides. MODIOLOPSIS CANCELLATA Walcott. See Whiteavesia cancellata. Modiolopsis capax Miller. Modiolopsis capax Miller, N. A. Geol. Pal., 1889, pp. 489, 490, fig. 851. Richmond: Versailles, Indiana. Observation. — Belongs to M. pholadifonnis group. Not recognizable from description or figure. MODIOLOPSIS CARINATA Hall. See Goniophora carinata. MODIOLOPSIS CARROLLENSIS Worthen. See Orthodesma subnasutum. Modiolopsis chatfleldensis Ulrich. Modiolopsis chatfieldensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 508, pi. 36, figs. 9-10. Black River (Decorah) : Chatfield, Minnesota. Holotype.—Cat. No. 46244, U.S.N.M. MODIOLOPSIS CINCINNATIENSIS Hall and Whitfield. See Whiteavesia cincinnatiensis. Modiolopsis concava Ulrich. Modiolopsis concava Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 227, fig. 13; Geol. Minnesota, pt. 2, 1894, p. 509, pi. 36, figs. 15, 16, 16a. Black River (Decorah) : Near Cannon Falls, Minnesota. Holotype.—C&t. No. 4Q246, U.S.N.M. Modiolopsis concentrica Hall and Whitfield. Modiolopsis concentrica Hall and Whitfield, Pal. Ohio, 2, 1875, p. 86, pi. 2, fig. 18.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 510, pi. 37, figs. 15 and 16.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1009, pi. 47, fig. 3.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 512, fig. 686a.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 283. Richmond (Waynesville) : Waynesville, etc., Ohio; Indiana; Kentucky. Plesiotypes.—Cat. No. 46245, U.S.N.M. 814 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Modiolopsis concinna Savage. Modiolopsis concinna Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 54, pi. 2, fig. 2. Upper Medinan (Girardeau): Near Thebes, Illinois. Modiolopsis(?) consimilis Ulrich. Modiolopsis(?) consimilis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 505, pi. 42, figs. 17, 18. Stones River (Murfreesboro) : Murfreesboro, Tennessee. Holotype.—C&t. No. 46247, U.S.N.M. Modiolopsis contigua Sardeson. Modiolopsis contigua Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 72, pi. 2, fig. 8. St. Peter: South St. Paul, Minnesota. MODIOLOPSIS CORRUGATA Miller and Faber. See Whiteavesia corrugata. Modiolopsis cuneiformis James. Not recognized. Modiolopsis cuneiformis James, Paleontologist, No. 3, 1879, p. 23. Maysville or Richmond: Near Lebanon, Ohio. Modiolopsis curta Hall. Not recognized. Modiolopsis curta Hall, Pal. New York, 1, 1847, p. 297, pi. 81, fig. 4; pi. 82, figs. 2a-d.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 35, fig. lla. Lyonsia curta Emmons, Amer. Geology, 1, pt. 2, 1855, p. 171. Cincinnatian (Pulaski): Loraine, Rodman, Rome, etc., New York. Observation. — Hall's figures, plate 81, fig. 4, and plate 82, fig. 2t, are apparently of Ischyrodonta unionoides; plate 82, fig. 2a, is of Pterinea demissa and plate 82, fig. 2c, is of a small Cyrtodonta from Mineral Point, Wisconsin. Modiolopsis depressa Weller. Modiolopsis depressa Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 171, pi. 11, fig. 8. Trenton: Jacksonburg, New Jersey. Modiolopsis dictaeus Hall. Modiolopsis dictseus Hall, 20th Rep. New York State Cab. Hist., 1868, p. 338, pi. 14 (5), fig. 7; rev. ed., 1870, p. 385, pi. 14, fig. 7. Niagaran (Racine): Racine, Wisconsin; Bridgeport, Illinois. MODIOLOPSIS DUBIA Hall. See Goniophora dubia. Modiolopsis dychii Miller. Modiolopsis dychii Miller, 18th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1894, p. 331, pi. 8, figs. 4, 5 (adv. sheets, 1892). Richmond: Lebanon, Ohio. Observation. — Not recognizable. Probably based on a crushed specimen. Modiolopsis excellons Ulrich. Modiolopsis excellens Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 511, pi. 36, figs. 13 and 14. Richmond (Maquoketa): Spring Valley and Granger, Minnesota. Modiolopsis exilis Billings. Modiolopeis exilis Billings, Pal. Foss., Geol. Surv. Canada, 2, pt. I, 1874, p. 132, pi. 8, fig. 5, 5a.— Ami, Proc. Trans. Nova Scotia Inst. Sci., 8, 1895, p. 414 (loc. occ.). Silurian : Arisaig, Nova Scotia. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 815 Modiolopsls expansa Branson. Modiolopsis expansa Branson, Trans. Acad. Sci. St. Louis, 18, No. 4, 1909, p. 42, pi. 7, figs. 5, 6. Black River (Auburn — Decorah): Lincoln County, Missouri. MODIOLOPSIS FAB A Hall. See Colpomya faba and C. faba pusilla. Modiolopsis fabseformis Raymond. Modiolopsis fabseformis Raymond, Amer. Jour. Sci. (4), 20, 1905, p. 374. — Whit- eaves, Ottawa Nat., 22, 1908, p. 110, pi. 3, figs. 7-9. Chazyan: Valcour Island, New York (Valcour); Hogback, near Ottawa, Ontario (Aylmer). Modiolopsis faberi Miller. Modiolopsis faberi Miller, N. A. Geol. Pal., 1889, p. 490, fig. 852, 853. Maysville (Fairmount): Cincinnati, Ohio. Modiolopsis fountainensis Sardeson. Modiolopsis fountainensis Sardeson, Bull Minnesota Acad. Nat. Sci., 4, 3896, p. 71, pi. 4, fig. 7. St. Peter: Below Fountain, Minnesota. MODIOLOPSIS GESNERI Billings. See Endodesmagesneri. MODIOLOPSIS GIBBA Miller. See Modiolodon? gibbus. Modiolopsis gregalis Sardeson. Modiolopsis gregalis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 72, pi. 2, figs. 10-12. St. Peter: South St. Paul and Daytons Bluff, Minnesota. Modiolopsis jersey ensis Weller. Modiolopsis' jerseyensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 170, pi. 11, fig. 9. Black River ( Jacksonburg) : Jacksonburg, New Jersey. Modiolopsis lata Hall. Modiolopsis latus Hall, Pal. New York, 1, 1847, p. 160, pi. 35, figs. lOa, b. Cypricardites latus Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). Palaearca lata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 71 (gen. ref.). Trenton: Watertown, New York. Modiolopsis leightoni Williams. Modiolopsis leightoni Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 346, pi. 31, figs. 7-10. Silurian (Pembroke) : Leighton Cove, Washington County, Maine. Cotypes.—C&t. No. 58974, U.S.N.M. Modiolopsis leightoni quadrata Williams. Modiolopsis leightoni var. quadrata Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 347, pi. 31, figs. 12, 13. Silurian (Pembroke) : Leighton Cove, Washington County, Maine. Cotypes.—C&t. No. 58975, U.S.N.M. Modiolopsis litoralis Sardeson. Modiolopsis litoralis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 72, pi. 2, figs. 13-16. % St. Peter: South St. Paul and Highland Park, Minnesota. 816 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Modiolopsis longa Miller and Faber. Modiolopsis longa Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 15, 1892, p. 80, pi. 1, figs. 2, 3. Maysville (Fairmount) : Cincinnati, Ohio. • Modiolopsis maia Billings. Modiolopsis Maia Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 44, figs. 46a, b (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 143, figs. 80a, b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 408, figs. Trenton: East of Blue Point, Lake St. John, Canada. Modiolopsis meyeri Billings. Modiolopsis Meyeri Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 42, fig. 44 (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 173, fig. 158.— Lesley, Geol. Pennsylvania, Rep. P4, 1889, p. .408, fig. Trenton: Ottawa, Ontario. Modiolopsis? (Colpomya?) milleri Ulrich. Modiolopsis milleri Ulrich, Amer. Geol. 5, 1890, p. 274, fig. 3a-d. Maysville (Fairmount) : Cincinnati, Ohio. Cotypes.—C&t. No. 46248, U.S.N.M. Modiolopsis modiolaris (Conrad). Pterinea modiolaris Conrad, 2d Ann. Rep. Geol. Surv. New York, 1838, p. 118. Cypricardites modiolaris Emmons, Nat. Hist. New York Geol., 2, 1842, p. 403, fig. 4. Cypricardia modiolaris Owen, Amer. Jour. Sci. Arts, 47, 1844, p. 379, fig. 4. Modiolopsis modiolaris Mall, Pal. New York, 1, 1847, p. 294, pi. 81, figs, la-g; pi. 82, fig. 1; Geol. Lake Sup. Land Dist., Foster and Whitney's Rep., 1851, p. 214, pi. 31, figs. 2a-d.— McCoy, British Pal. Rocks and Foss., 1854, p. 267, pi. 1, figs. 17, 18.— Billings, Canadian Nat. and Geol., 1, 1856, fc. 44, fig. 8.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 820, fig. 618.— Emmons, Man. Geol., 1860, p. 102, fig. 4.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, pi. 4, figs. 10, 11.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 213, fig. 217.— Chapman, Canadian Jour., n. s., 7, 1862, p. 117, fig. Ill; ibid., 8, 1863, p. 206, fig. 206; Expos. Min. Geol. Canada, 1864, p. 120, fig. Ill; p. 178, fig. 206.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 149, fig. 17.— Roemer, Leth. geog., 1, Leth. Pal., Atlas, 1876, pi. 4, fig. 19.— Zittel, Handb. Pal., 2, 1881, p. 44, fig. 57.— Lesley, Geol. Surv. Pennsylvania, Rep., P 4, 1889, p. 409, figs.— Bigot, Bull. Soc. Geol. France, 3d ser., 17, 1889, p, 792.— Miller, N. A. Geol. Pal., 1889, p. 490, fig. 854.— Ulrich, Geol. Minnesota. 3, pt. 2, 1894, p. 481, figs. 37a, b.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 512, figs: 687, 688.— Bassler, Bull. Virginia, Geol. Surv., 2a, 1909, pi. 14, fig. 8.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 281, pi. 3, fig. 1; pi. 5, figs. 1, 2. Cypricardites angustifrons Conrad, 5th Ann. Rep. New York Geol. Surv., 1841, p. 52.— Emmons, Nat. Hist. New York, 2, 1842, p. 405, fig. 1. Cypricardites ovata Conrad, 5th Ann. Rep. New York Geol. Surv., 1841, p. 52.— Emmons, Nat. Hist. Geol. New York, 2, 1842, p. 405, fig. 2. Lyonsia submodiolaris D'Orbigny, Prod. Pal., 1, 1850, p. 11 (proposed for Modio- lopsis modiolaris Hall, 1847; not M. modiolaris McCoy, 1844). — Emmons, Amer. Geol., 1, pt. 2, 1855, p. 171, pi. 17, fig. 8, 8a. Cincinnatian: Pulaski, Oswego County, etc., New York (Pulaski); Pennsylvania; Virginia; Cincinnati, Ohio, and vicinity. No. 46249*U.S.N.M. (Ulrich) BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 817 MODIOLOPSIS MODIOLARIS Hall and Whitfield. See Modiolodon obtusus. MODIOLOPSIS MODIOLARIS Meek and Worthen. See Whiteavesia modioliformis. Modiolopsis mytiloides Hall. Modiolopsis mytiloides Hall, Pal., New York, 1, 1847, p. 157, pi. 35, figs. 4a-b.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 508, pi. 36, fig. 8.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 511, fig. 686b. Trenton: Middleville, New York; Goodhue and Fillmore Counties, Minnesota (Prosser); Oshkosh, Wisconsin; etc. Ples Indiana, 1908, p. 873, pi. 32, figs. 3, 3b — Bassler, Zittel-Eastman Textb. Pal., 1913, p. 319, fig. 439c. Stomatopora frondosa Miller, N. A. Geol. Pal., 1889, p. 325. Stomatopora (Proboscina) frondosa Ulrich, Zittel's Textb. Pal. (Engl. ed.), fig. 412c, p. 261. Stromatopora (Alecto) frondosa Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1105, figs. Maysville and Richmond: Cincinnati, Ohio, and vicinity; Indiana; Kentucky; Tennessee; Manitoba; etc. Pleswtype.—G&t. No. 43264, U.S.N.M. (Ulrich). PROBOSCINA MINNESOTENSIS Sardeson. See Berenicea minnesotensis. Proboscina tumulosa Ulrich. Proboscina tumulosa Ulrich, Geol. Minnesota, 3, 1893, p. 119, pi. 1, fig. 24.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, fig. 201 (in part) (p. 596).— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 119, fig. 178d. Black River (Decorah): St. Paul and Cannon Falls, Minnesota. Holotype.—Cat. No. 43265, U.S.N.M. PROCLIVOCRINUS Ringueberg. See Eucheirocrinus Meek and Worthen. PRODUCTA INCUR VATA Shepard. See Strophomena incurvata. PRODUCTELLA MINNEAPOLIS Sardeson. See Trematis huronensis. PRODUCTUS? SULCATUS Gastelnau. See Leptaena rhomboidalis. PRODUCTUS SULCIFER Verneuil. See Leptsena rhomboidalis. PROETUS Steininger. Genotype: P. cuvieri Steininger. Proetus Steininger, Mem. Soc. Geol. France, 1, 1831, p. 355.— Portlock, Rep. Geol. Londonderry, 1843, p. 304.— Loven, Ofvers. K. Vet.-Akad. Forhandl., 2, 1845, p. 48.— Burmeister, Org. Tril., London, 1846, p. 99.— Beyrich, Unter- suchunguber Tril., 1846, p. 27. — Hawle and Corda, Abh. d. k. bohmischen Gesell. d. Wiss., 5 (extract), 1847, p. 72, pi. 5, fig. 43.— Renault, Bull. Soc. Geol. France, 2d ser., 1847, p. 318.— Salter, Mem. Geol. Surv. Great Britain, 2, pt. 1, 1848, p. 337.— McCoy, Ann. Mag. Nat. Hist., 2d eer., 4, 1849, p. 400.— Barrande, Neues Jahrb. Min., etc., 1850, p. 780; Syst. Sil. du Centre Boheme, 1, 1852, p. 429.— Angelin, Pal. Scandinavica, 3d ed., Holmiae, 1852, p. 20.— Hall, Pal. New York, 2, 1852, p. 315.— Pictet, Traite" de Pal., 2d ed., 2, 1854, BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 1037 PR O ET US— Continued . p. 494.— Nieszkowski, Archiv fur Naturk. Liv-, Ehst- und Kurl., 1, 1857, p. 555.— Hall, 15th Re|5. New York State Cab. Nat. Hist., 1861, f 97.— Salter, Cat. Camb. and Sil. FOBS., 1873, p. 133.— Alth, Abhandl. der K.-K. Geol. Reichsanstalt, 7, Heft 1, 1874, p. 59.— Miller, Cincinnati Quart. Jour. Sci., i, 1874, p. 144. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan Diet., 1880, p. 169.— Woodward, Geol. Mag., dec. 2, 10, 1883, p. 445; Mon. Beit. Carb. Tril., Pal. Soc., 1884, p. 55.— (Ehlert, Bull. Soc. d'EtudesSci. d'Angers, 1885, pp. 4, 8.— Zittel, Handb. Pal., 2, 1885, p. 625.— (Ehlert, Bull. Soc. d'Etudea Sci. d'Angers, 15, for 1885, 1886, p. 128.— Herrick, Bull. Sci. Lab. Denison Univ., 2, pt. 1, 1887, p. 53; ibid., 4, 1888, pp. 50, 51, 55.— Clarke, Jour. Morph. 2, 1888, p. 254.— Vogdes, Ann. New York Acad. Sci., 4, 1888, pp. 70, 74, pi. 2, figs. 1, 2; Cal. Acad. Sci. Occ. Papers, 4, 1893, p. 338 (see for generic syn- onymy).—Hall and Clarke, Pal. New York, 7, 1888, p. xli, fig. p. 43.— Whid- borne, Mon. Dev. Fauna South England, 1, Pal. Soc., 1889, p. 20.— Miller, N. A. Geol. Pal., 1889, p. 561.— Schmidt, Mem. TAcad. Imp. Sci. St. Peters- burg, 7th ser., 42, 1894, p. 38.— Beecher, Amer. Geol., 16, 1895, p. 180.— (Ehlert, Bull. Soc. Geol. France, 3d ser., 24, 1896, p. Ill, figs. 27, 28.— Koken, Die Leitfossilien, Leipzig, 1896, p. 24, fig. 15, figs. 2^; p. 422.— Beecher, Amer. Jour. Sci., 4th ser., 3, 1897," p. 104, pi. 3, fig. 20.— Reed, Geol. Mag., dec. 4, 5, 1898, p. 453.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 315.— Beecher, Zittel-Eastman Textb. Pal., 1, 1900, p. 631.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 26.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1052.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 299.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 721. Proetus alaricus Billings. Proetus alaricus Billings, Canadian Nat. Geol., 5, 1860, p. 68, fig. 12; Geol. Canada, Geol. Surv. Canada, 1863, p. 219, fig. 231; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 28 (loc. ref.).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 767, fig.— Miller, N. A. Geol. Pal., 1889, p. 562, fig. 1046. Richmond (Charletoii) : Charleton Point, Anticosti. Proetus brevimarginatus Weller. Proetus brevimarginatus Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 197, pi. 15, figs. 1-7. Trenton: Jacksonburg, New Jersey. Proetus channahonensis Weller. Proetus channahonensis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 228, pi. 20, figs. 6, 7.— Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 120, pi. 7, fig. 25. Upper Medinan (Channahon): Near Channahon, Will County, Illinois. Proetus clelandi Raymond. Proetus clelandi Raymond, Ann. Carnegie Mus., 3, 1905, p. 354, pi. 13, figs. 13 14; 7th Rep. Vermont State Geol., 1910, p. 231, pi. 35, figs. 13, 14. Chazyan (Crown Point?): Chazy, New York. Proetus corrugatus Van Ingen. Proetus corrugatus Van Ingen, School of Mines Quart., 23, 1901, p. 54, figs. 16-17, pt. figs. 12-15. Niagaran (St. Clair): St. Clair Spring, Independence County, Arkansas, 1038 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Proetus corycceus (Conrad). Asaphus corycceus Conrad, Jour. Acad. Nat. Sci. Philadelphia, 1st ser., 8, pt. 2, 1842, p. 277, pi. 16, fig. 15.— Hall, Geol. New York, pt. 4, 1843, tab. org. rem., 19, fig. 3. Proetus corycceus Hall, Pal. New York, 2, 1852, p. 315, pi. 67, fig. 15.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 767, text figs. Clinton (Rochester) : Lockport, New York. Proetus crassimarginatus (Hall). Calymene crassimarginatus Hall, Geol. New York, Geol. 4th Dist., 1843, p. 172, *fig. 5. Proetus crassimarginatus Hall, 15th Rep. New York State Cab. Nat. Hist., 1862 (adv. sheets 1861, p. 72), p. 100, pi. 10, fig. 10.— Nicholson, Rep. Pal. Prov. Ontario, pt. 1, 1874, pp. 123, 124, fig. 56b.— Hall, Illust. Dev. Fossils, Geol. Surv. New York, Pal., Crust., 1877, pi. 20, figs. 20-31.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 768, figs.— Hall and Clarke, Pal. New York, 7, 1888, p. 99, pis. 20, 22, 25.— Whiteaves, Cont. Can. Pal., Geol. Surv. Canada, 1, pt. 5, 1898, p. 410.— Kindle, 25th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1901, p. 750, pi. 30, figs. 1, la, 2, 5, 6.— Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 207, pi. 20, figs. 16-18. Devonian (Onondaga): New York, etc. Upper Monroan (Amherstburg) : Detroit River, opposite Amherstburg, Ontario. Proetus depressus Weller. Proetus? depressus Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 249, pi. 22, fig. 27. Helderbergian (Decker Ferry): Two miles south of Tristates, New York. Proetus determinatus Foerste. Bathyurus Foerste, Bull. Sci. Lab. Denison Univ., 1, 1885, p. 103, pi. 14, fig. 5. Proetus determinatus Foerste, ibid., 2, pt. 1, 1887, p. 91, pi. 8, figs. 2, 3, 3a; Geol. Surv. Ohio, 7, 1895, p. 523, pi. 26, fig. 5; pi. 27, figs. 2, 3, 3a.— Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 104, pi. 6, figs. 10, 11. Upper Medinan: Dayton, Ohio (Brassfield); near Thebes, Illinois, Edgewood and Louisiana, Missouri (Edgewood). Proetus? handwerki Weller. Proetus? handwerki Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2; 1907, p. 229, pi. 20, figs. 8, 9. Niagaran (Racine): Near Lemout, Illinois. Proetus latimarginatus Weller. Proetus latimarginatus Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 195, pi. 14, figs. 17-24, (?25). Trenton: Jacksonburg, New Jersey. Proetus leptorhachis Holtedahl. Proetus leptorhachis Holtedahl, Second Arctic Exp. "From", 1898-1902, No. 32, 1914, p. 33, pi. 8, fig. 14. Helderbergian (Lower beds): Southwestern Ellesmereland, Arctic America. Proetus pachydermatus Barrett. Proetus pachydermatus Barrett, Amer. Jour. Sci., 3d ser., 15, 1878, p. 371. — Weller, Pal. New Jersey, 3, 1903, p. 248, pi. 22, figs. 16-21.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 299.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 489, pi. 89, fig. 1. Helderbergian: Nearpass Quarry, New Jersey (two miles south of Tristates, New York) (Decker Ferry); Cumberland, Maryland (Keyser). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1039 Proetus parviusculus Hall. Proetus parviusculua Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 120; 24th Rep. New York State Cab. Nat. Hist., 1872, p. 223, pi. 8, fig. 14.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 144.— Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 109, pi. 4, fig. 18.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 770, fig.— Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 754.— Beecher, Amer. Geol., 16, 1895, p. 173, pi. 9, figs. 5-7. Maysville (Corryville) : Cincinnati, Ohio. Proetus princeps Savage. Proetus princeps Savage, Bull. Geol. Surv., Illinois, 23, 1913, p. 57, pi. 2, fig. 14. Upper Medinan (Girardeau): Near Thebes, Illinois. Proetus spinosus Weller. Proetus spinosa Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 250, pi. 22, fig. 26. Helderbergian (Decker Ferry): Nearpass Quarry, New Jersey (two miles south of Tristates, New York). Proetus spurlocki Meek. Proetus Spurlocki Meek, Amer. Jour. Sci., 3d ser., 3, 1872, p. 426; Geol. Surv. Ohio, Pal., 1, 1873, p. 161, pi. 14, fig. 12.— Miller, Cincinnati Quart. Jour. Sci., 1, p. 145.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 772, fig.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1062, pi. 54, fig. 13. Proetus spurlocki (Isotelus maximus?) Raymond, Bull. Mus. Comp. Zool. Har- vard, 58, 1914, pi. 1, fig. 3. Eden (Southgate): Cincinnati, Ohio. Observation. — Probably the young of Isotelus maximus. Proetus stokesl (Murchison?) Hall. Asaphus stokesii Murchison, Sil. Syst., 1839, p. 625, pi. 14, fig. 6. Proetus stokesii Hall, Pal. New York, 2, 1852, p. 316, pi. 67, figs. 13-14. Phacops stokesii Dawson, Canadian Nat. Geol., 5, 1860, p. 298. Silurian: England; Lockport, New York (Rochester). Proetus stonemanii (Vogdes). Asaphus extans Winchell, 6th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1878, p. 161. Bathyurus Stonemanii Vogdes, 12th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1884, p. 9. Proetus stonemani Miller, N. A. Geol. Pal., 2d App., 1897, p. 789 (gen. ref.).— Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 724. Devonian (drift): Minneapolis, Minnesota (erroneously cited as Trenton). Proetus subanuulatus Van Ingen. Proetus subannulatus Van Ingen, School of Mines Quart., 23, 1901, p. 57, fig. 18, p. 54, pi. figs. 16, 17. Niagaran (St. Clair): St. Clair Spring, Independence County, Arkansas. Proetus uudulostriatus (Hall). Olenus undulostriatus Hall, Pal. New York, 1, 1847, p. 258, pi. 67, figs. 3a, b. Elliptocephala undulostriata Miller, N. A. Geol. Pal., 1889, p. 546. Bathyurus ep. Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., pt. 1, 11, 1898, pp. 70, 71. Cyphaspis hudsonica Ruedemann, Bull. New York State Mus., 49, 1901, p. 64, pi. 4, figs. 8, 9. 1040 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Proetus undulostriatus— Continued. Proetus undulostriata Ruedemann, Bull. New York State Mus., 42, 1901, p. 536; ibid., 162, 1912, p. 117, pi. 9, figs. 2, 3. Trenton (Snake Hill): Snake Hill, Saratoga County, and Green Island, near Albany, New York. PROLO BELLA Ulrich. Genotype: P. striatula Ulrich. " Prolobella, Ulrich Geol. Minnesota, 3, pt. 2, 1894, p. 532. Prolobella avlculoides (Hall). Modiolopsis aviculoides Hall, Pal. New York, 1, 1847, pp. 161, 317, pi. 36, figs. la, b.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 28. Trenton: Middleville, New York. Prolobella? hermlone (Billings). Avicula Hermione Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 40, fig. 42, (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 170, fig. 156. Trenton: Montreal, Quebec. Pla8totype.—Gut. No. 46094, U.S.N.M. Prolobella striatula Ulrich. Prolobella striatula Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 532, pi. 35, fig. 27. Pterinea striatula Miller, N. A. Geol. Pal., 2d App., 1897, p. 784 (gen. ref.). Trenton (Prosser) : Pleasant Grove, Minnesota. Holotype.—Cat. No. 46280, U.S.N.M. Prolobella subelllptica (D'Orbigny). Avicula elliptica Hall (not Phillips, 1836), Pal. New York, 1, 1847, p. 162, pi. 36, fig. 3.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 170, fig. 155. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 68, fig. Pterinea elliptica Miller, N. A. Geol. Pal., 1889, p. 506 (gen. ref.). Avicula subelliptica D'Orbigny, Prodr. Pal., 1, 1850, p. 13.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 175, pi. 13, fig. 27. Trenton: Middleville, New York. Prolobella subspatulata (Hall). Modiolopsis subspatulatus Hall, Pal. New York, 1, 1847, p. 159, pi. 35, figa. 9a, b, Lyonsia subspatulatus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 171. Palsearca subspatulata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859. p. 71 (gen. ref.). Cypricardites subspatulata Miller, N. A. Geol. Pal., 1889, p. 477. Trenton: Watertown, New York. Prolobella trentonensis (Conrad). Avicula Trentonensis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 240, pi. 12, fig. 10.— Hall, Pal. New York, 1, 1847, p. 161. pi. 36, figs. 2a-d.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 176, pi. 13, figs. 28-30.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 70, fig. Pterinea trentonensis Miller, N. A. Geol. Pal., 1889, p. 506 (gen. ref.). Prolobella trentonensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 532 (gen. ref.). — Ruedemann, Bull. New York State Mus., 162, 1912, p. 97, pi. 5, fig. 4. Avicula aviformis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 243, pi. 13, fig. 11. Trenton: Middleville, Watertown, Canajoharie, etc., New York. PROLUCINA Ball. Genotype: Tellina prisca Hisinger. Prolucina Ball (subgenus of Lucina), Zittel-Eastman Textb. Pal., 1900, p. 408. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1041 Prolucina galtensis (Whiteaves). Ilionia galtensis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 15, pi. 3, figs, la-b.— Miller, N. A. Geol. Pal., 1889, p. 483, fig. 833.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 68, pi. 15, fig. 3.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 379, fig. 483. Prolucina Galtensis Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 330 (gen. ref.). Niagaran (Guelph) : Gait and Durham, Ontario. Cayugan (Cobleskill): Cobleskill, New York. •ROMOPAL^EASTER Schuchert. Genotype: Palseaster granulosus Meek. Palseaster (part) of authors. Promopalaeaster Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mus., 88, 1915, p. 102. Promopalseaster bellulus Schuchert. Promopalseaster bellulus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mus., 88, 1915, p. 113, pi. 15, figs. 6-8; pi. 16, fig. 1; pi. 18, figs. 4, 5. Richmond (Waynesville) : Near Waynesville, Ohio. Promopalae aster dyeri (Meek). Palceaster? Dyeri Meek, Amer. Jour. Sci., 3d ser., 3, 1872, p. 257; Geol. Surv. Ohio, Pal., 1, 1873, p. 58, pi. 4, figs. 2a-f.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 576, figs.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 128. Promopalseaster dyeri Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mus., 88, 1915, p. 120, pi. 18, fig. 8; pi. 20, figs. 3-6; pi. 25, fig. 1.— Williams, Ohio Naturalist, 14, 1914, pp. 221-224, figs. 1, 2. Maysville (Fairmount) : Cincinnati, Ohio. Promopalseaster exculptus (Miller). Palaeaster exculptus Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 69, pi. 1, fig. 1.— James, ibid., 18, 1895, p. 129. Promopalseaster exculptus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mus., 88, 1915, p. 117, pi. 18, fig. 7; pi. 20, fig. 2. Richmond (Waynesville or Liberty) : Waynesville, Ohio. Observation. — Compare with Promopalseaster spinulosus. Promopalaeaster granulosus (Hall). Palaeaster granulosa Hall, 20th Rep. New York State Cab. Hist., 1868, p. 285; rev. ed., 1870, p. 327.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 128. Promopalseaster granulosus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mus., 88, 1915, p. 112. Richmond: Near Lebanon, Ohio. Promopalseaster magniflcus (Miller). Palseaster magnificus Miller, Jour. Cincinnati Soc. Nat. Hist., 8, 1884, p. 16, pi. 4, figs. 3, 3a.— James, ibid., 18, 1895, p. 127. Promopalseaster magnificus Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 33; Bull. U. S. Nat. Mua., 88, 1915, p. 122, pi. 21, fig. 1; pi. 22, fig. 1; pi. 23, figs. 1-3. Richmond (Waynesville or Liberty) : Waynesville, Ohio. Holotype.-V&i. No. 40883, U.S.N.M. 1042 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Promopalseaster prenuntlus Schuchert. Promopalaeaster prenuntius Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 34 (nom. mid.); Bull. U. S. Nat. Mus., 88, 1915, p. 107, pi. 13, fig. 3; pi. 15, fig. 5. Trenton (Hermitage): Frankfort, Kentucky. Promopalaeaster speciosus (Meek). Asterias antiquata Locke, Proc. Acad. Nat. Sci. Philadelphia, 3, 1848, p. 32, fig. Pakeasterina antiquata Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 382 (gen. ref.). Palseaster antiquata Hall, 20th Hep. New York State Cab. Hist., 1868, p. 286; rev. ed., 1870, p. 328.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 130. Palaeaster speciosus Meek, Amer. Jour. Sci., 3d ser., 4, 1872, p. 277; Geol. Surv. Ohio, Pal., 1, 1873, p. 61.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 131. Palaeaster granulosa Meek (not Hall, 1868), Amer. Jour. Sci., 3d ser., 4, 1872, p. 276; Geol. Surv. Ohio, Pal., 1, 1873, p. 60, pi. 4, figs. 3a-c.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 576, figs. Promopalaeaster speciosus Schuchert in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 34, Bull. U. S. Nat. Mus., 88, 1915, p. 109, pi. 14, figs. 3, 4; pi. 15, figs. 1-4. Maysville: Cincinnati, Ohio. Observation. — Although antedating P. speciosa, Asterias antiquata was so poorly figured that it could not be recognized. Promopalaeaster spinulosus (Miller and Dyer). Palaeaster spinulosus Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 32, pi. 2, figs. 12, 12a, b.— James, ibid., 18, 1895, p. 129. Promopalseaster spinulosus Schuchert in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 34; Bull. U. S. Nat. Mus., 88, 1915, p. 115, pi. 16, fig. 2; pi. 17, figs. 1, 2; pi. 18, figs. 1-3. Palaeaster longibrachiatus Miller, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 102, pi. 3, fig. 4.— James, ibid., 18, 1895, p. 132. Richmond (Waynesville) : Clarksville, Ohio. Plesiotype.—Cat. No. 40881, U.S.N.M. (holotype of P. longibrachiatus). Promopalaeaster? wilsonl (Raymond).* Palaeaster? wilsoni Raymond, Ottawa Nat., 26, 1912, p. 78, pi. 5, figs. 1-4. Promopalaeaster wilsoni Schuchert in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 34; Bull. U. S. Nat. Mus., 88, 1915, p. 106, pi. 13, figs. 1, 2. Black River (Lowville) : City View, near Ottawa, Ontario. Promopalaeaster wykoffl (Miller and Gurley). Palaeaster wykoffi Miller and Gurley, Bull. Illinois State Mue. Nat. Hist., 12, 1897, p. 46, pi. 3, fig. 27. Promopalseaster wykoffi Schuchert in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914» p. 34; Bull. U. S. Nat. Mus., 88, 1915, p. 117, pi. 18, fig. 6; pi. 19, fig. 2. Richmond: Near Madison, Indiana. PROPORA of authors. See Lyellia Edwards and Haime. PROSCORPIUS Whitfield. Genotype: P. osborni Whitfield. Proscorpius Whitfield, Bull. Amer. Mue. Nat. Hist., 1, 1885, p. 183.— Miller, N. A. Geol. Pal., 1889, p. 571. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1043 Proscorpius osbornl (Whitfield). Palseophonus osborni Whitfield, Science, 6, 1885, pp. 87, 88, fig. Proscorpius osborni Whitfield, Bull. Amer. Mus. Nat. Hiet., 1, 1885, p. 187, pi. 20.— Scudder, Zittel's Handb. Pal., 1 abth., 2, 1885, p. 739, fig. 915a.— Thorell, Amer. Nat., 20, 1886, p. 269.— Whitfield, Science, 7, 1886, p. 216.— Scudder, Bull. U. S. Geol. Surv., 31, 1886, p. 28.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 973, fig. — Laurie, Royal Soc. Edinburgh Trans., 39, 1899, p. 557, pi. 3.— Pocock, Quart. Jour. Micr. Sci., 2d ser., 1901, pp. 44, 309.— Fritsch, Pal. /• rachniden, 1904, pp. 65, 78, fig. 81; Miscel. Pal., 1, Palseozoica, 1907, p. 6, pi. 3.— Clarke and Ruedemann, Mem. New York State Mus., 14, 1912, p. 387, pi. 88, figs. 81-83. Cayugan (Bertie): Waterville, Oneida County, New York. PROSSERELLA Grabau. See Reticularia subgenus Prosserella. PROTARJEA Edwards and Haime. Genotype: Porites vetustug Hall. Protarsea Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. (Arch, du Mus. d'Hist. Nat., 5), 1851, pp. 146, 208; Ann. Sci. Nat., 3d ser., Zool., 16, 1851, p. 46.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 434.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 184.— Zittel, Handb. Pal., 1, 1879, p. 239.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 455.— Miller, N. A. Geol. Pal., 1889, p. 201.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 149.-^ Sardeson, Neues Jarhb. Min., Geol., Pal., Beilage-Band, 10, 1896, p. 300.— Kiar, Palaeontographica, 46, 1899, p. 9, footnote, pp. 10, 13. — LindstrSm, Kongl. Sven. Vet.-Akad. Handl., 32, 1899, pp. 37, 109.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 89.— Kiar, Vid.-Selsk. 'Skrifter, Math.-naturw. Kl., No. 10, 1903, pp. 29, 50.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 700; Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 112. PROTARSEA MAGNA Kiar. See Protarsea vetusta magna. Protarsea richmondensis Foerste. Protarsea vetusta Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. (Arch, du Mus. d'Hist. Nat., 5), 1851, p. 208, pi. 14, figs. 6, 6a.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 185.— Nicholson, Geol. Surv. Ohio, Pal., 2, 1875, p. 221.— White, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 49 fig. 4, p. 378.— Miller, N. A. Geol. Pal., 1889, p. 201, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 774, fig. — James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 149.— Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 94, pi. G, figs. 24, 25.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 114 (loc. occ.); ibid., pt. 3, 1897, p. 155 (loc. occ.).— Kiar, Palaeontographica, 46, 1899, p. 10, pi. 2, fig. 7.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, 1899, p. Ill, pi. 12, figs. 19-24. Thecia vetusta Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 34, figs. 8-10. Protarea richmondensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 210, pi. 4, figs. 9a-b; p. 308, pi. 7, fig. 8. Richmond: Dayton, etc., Ohio; Indiana; Kentucky; Tennessee; Illinois; Min- nesota; etc. Pletiotypes — Cat. No. 52638, U.S.N.M. (Davis). Observation. — Compare Protarsea tenuis (Billings). Protarsea richmondensis papillata Foerste. Protarea richmondensis-papillata Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 309, pi. 10, fig. 2. Richmond (Whitewater): Dayton, Ohio. 1044 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Protaraea tenuis (Billings). Heliolites tenuis Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 428; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 32. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan District, 1880, p. 247.— Koemer, Leth. Geog., pt. 1, Leth. Pal., 1883, p. 508. Gamachian (Ellis Bay) : Gamache Bay, Anticosti. Observation. — Compare Protarea richmondensis Foerste. Protarsea verneuili Edwards and Haime. Not recognizable. Protarsea verneuili Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. (Arch du Mus. d'hist. Nat., 5), 1851, p. 209; Ann. Sci. Nat., 3d ser., Zool., 16, 1851, p. 47.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 185.— Duncan, Kep. 41st Meeting British Assoc. Adv. Sci., 1872, p. 123.— Boemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 455.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 150.— Lindstrom, Kongl. Sven. Vet.-Acad. Handl., 32, No. 1, 1899, p. 110.— Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 309 (see for remarks). Lower Silurian: Alexanderville, Ohio. PROTAILEA VETUSTA of authors. See Protarsea richmondensis. Protarsea vetusta (Hall). Porites? vetusta Hall, Pal. New York, 1, 1847, p. 71, pi. 25, figs. 5a, b. Astraeopora vetusta D'Orbigny, Prodr. de Pal., 1, 1850, p. 25 (gen. ref.). Heliolites vetusta Hail, 12th Hep. New York State Cab. Nat. Hist., 1859, p. 74 (gen. ref.). Protaraea vetusta, Edwards and Haime, Ann. Sci. Nat., 3d ser., Zool., 16, 1851, p. 47.— Nicholson, Hep. Pal. Prov. Ontario, pt. 2, 1875, p. 9.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 455.— Lambe, Cont. Canadian Pal. Geol. Surv. Canada, 4, pt. 1, 1899, p. 90, pi. 5, figs. 8, 8a. Trenton: Watertown, etc., New York; Ontario; Minnesota, etc. Protaraea vetusta magna Whiteaves. Protarea (vetusta? var.) magna Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 155, pi. 18, figs. 2, 3, 3a. Protarea vetusta var. magna Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 91. Protarsea magna Kiar, Vid.-Selsk. Skrifter, Math. naturw.-Kl., No. 10, 1903, p. 50. Richmond : Lower Fort Garry, Manitoba. Protaraea walker! (Spencer). Caunopora walkeri Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, p. 596, pi. 6, figs. 9, 9a; Bull. Mus. Univ. Missouri, 1, 1884, p. 46, pi. 4, figs. 9, 9a; Cana- dian Nat., 10, 1883, p. 165.— Miller, N. A. Geol. Pal., 1889, p. 156, fig.— Nicholson, Mon. British Strom., 1892, p. 26.— Whiteaves, Canadian Rec. Sci. 7, 1896, p. 144. Protarea walkeri Parks, Univ. Toronto Studies (Geol. Ser.), No. 5, 1908, p. 60, pi. 15, figs. 1, 2. Niagaran (?Rochester): Hamilton, Ontario. PEOTASTER Forbes. Genotype: P. sedgwicki Forbes. Protaster Forbes, Mem. Geol. Surv. United Kingdom, dec. 1, 1849, pp. 1-2, pi. 4.— Murchison, Siluria, 1854, p. 221, fig. 39-4.— Forbes, in McCoy's Pal. Rocks Foss., 1855, p. 60.— Salter, Rep. 26th Meeting British Assoc. Adv. Sci., Notes, Abstracts, 1857, p. 76; Ann. Mag. Nat. Hist., 2d ser., 20, 1857, p. 325.— Pictet, Traite* de Pal., 2d ed., 4, 1857, p. 277.— Hall, Pal. New York, 3, for BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1045 PROTASTER— Continued. 1859, 1861, p. 134.— Salter, Ann. Mag. Nat. Hist., 3d ser., 8, 1861, p. 484.— Wright, Mon. British Foss. Echinod., Oolitic, 2, pt. 1, (Pal. Soc. for 1861), 1862, pp. 23, 31.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 293; rev. ed., 1870, p. 335.— Quenstedt, Petrefactenkunde Deutschlands, 1, 4, 1876, p. 133, pi. 95, fig. 11.— Zittel, Handb. Pal., 1, 1879, p. 444.— Sturtz, Palgeontographica, 32, 1886, pp. 80, 83, 93; Neues Jahrb. Min., Geol. Pal., 2, 1886, p. 148.— Miller, N. A. Geol. Pal., 1889, p. 276.— Gregory, Geol. Mag., dec. 3, 6, 1889, p. 26.— Sturtz, Verh. naturh. Ver. preuss. Reinl., etc., 1893, p. 18.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1896, pp. 137, 138.— Gregory, Proc. Zool. Soc. London, 1897, p. 1031, fig. 1.— Whidborne, Mon. Dev. Fauna South England, 3, Pal. Soc., 1898, p. 206.— Parks, Trans. Cana- dian Inst., 8, 1908, pp. 363, 366.— Schondorf, Jahrb. nassauisch. Ver. Naturk. Wiesbaden, 63, 1910, p. 238.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 224. Encrinaster (part) Haeckel, Gen. Morphologic, 2, 1866, p. Ixvii (no definition). PROTASTER ELEGANS Parks. See Tseniaster elegans. PROTASTER FLEXUOSus Miller and Dyer. See Alepidaster flexuosus. PROTASTER? GRANULIFERUS Meek. See Alepidaster granuliferus. PROTASTER MIAMIENSIS Miller. See Alepidaster miamiensis. Protaster stellifer Ringueberg. Protaster stellifer Ringueberg, Bull. Buffalo Soc. Nat. Hist., 5, 1886, p. 7, pi. 1, fig. 2— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 228. Clinton (Rochester) : Lockport, New York, and Grimsby, Ontario. Protaster whiteavesiana Parks. Protaster whiteavesiana Parks, Trans. Can. Institute, 8, 1908, p. 368, figs. 1-6.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 227. Trenton (Curdsville) : Kirkfield, Ontario. PROTASTERACANTHION Sturtz. See Urasterella McCoy. PROTASTERINA Ulrich. See Alepidaster Meek. PROTASTERINA Billings (part). See Schuchertia Gregory. PROTAXOCRINUS Springer. Genotype: Taxocrinus ovalis Angelin. Lecanocrinus Billings (not Hall), Geol. Surv. Canada, Can. Org. Rem., dec. 4, 1859, p. 46. Taxocrinus Angelin (part), Icon. Crin. Suec., 1878, p. 8.— Wachsmuth and Springer, Proc. Acad. Nat, Sci. Philadelphia, Rev. Pal., 1, 1879, p. 50. Protaxocrinus Springer, Jour. Geol., 14, 1906, pp. 515, 519; Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 205; Mono. Crin. Flex., Smith. Inst. (in press). Protaxocrinus elegans (Billings). Lecanocrinus elegans Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 1857, p. 278; Geol. Surv. Canada, dec. 4, 1859, p. 47, pi. 4, figs. 4a, 4b. Taxocrinus elegans Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, p. 68 (Rev. Pal., pt. 3, p. 144).— Miller, N. A. Geol. Pal., 1889, p. 285, fig. 440.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 564. Protaxocrinus elegans Springer, Geol. Surv. Canada, Mem. 15P, 1911, p. 11 (gen. ref.); Mono. Crin. Flex., Smith. Inst. (in press). Trenton (Curdsville): Ottawa, Ontario. 1046 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Protaxocrlnus laevis (Billings). Lecanocrinus Isevis Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 1857, p. 278; Geol. Surv. Canada, dec. 4, 1859, p. 47, pi. 4, fig. 3a. Taxocrinus laevis Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, p. 68 (Rev. Pal., pt. 3, p. 144). Protaxocrinus laevis Springer, Geol. Surv. Canada, Mem. 15P, 1911, p. 11, pi. 3, figs. 10, 11; Mono. Crin. Flex., Smith. Inst. (in press). Trenton (Curdsville) : Ottawa and Kirkfield, Ontario. Protaxocrinus robustus Springer. Protaxocrinus robustus Springer, Mono. Crin. Flex., Smith. Inst. (in press). Niagaran (Brownsport): Decatur County, Tennessee. Protaxocrinus virginiensis Springer. Protaxocrinus virginiensis Springer, Mono. Crin. Flex., Smith. Inst. (in press). Helderbergian (Keyser): Keyser, West Virginia. PROTEROCAMEROCERAS Ruedemann. See Cameroceras Conrad. PROTEROPILOCERAS Ruedemann. See Piloceraa Salter. PROTICHNITES Owen. Genotype: P. septemnotatus Owen. Protichnites Owen, Quart. Jour. Geol. Soc. London, 8, 1852, p. 214. — Billings, Canadian Nat. Geol., 1, 1857, pp. 35-39.— Dawson, Canadian Nat. Geol., 7, 1862, pp. 271-277.— Chapman, Expos. Minerals Geol. Canada, 1864, pp. 159, 160.— Billings, Quart. Jour. Geol. Soc. London, 26, 1870, pp. 484-485.— Chapman, Canadian Jour. Sci. Lit. Hist., n. s., 15, 1877, pp. 486-490.— Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, pp. 599-601, figs. 4 and 5a.— Packard, Proc. Amer. Acad. Arts Sci. Boston, 36, 1900, pp. 63-71.— Walcott, Smiths. Misc. Coll., 57, 1912, p. 275. Protichnites alternans Owen. Protichnites alternans Owen, Quart. Jour. Geol. Soc. London, 8, 1852, pp. 214-217, pi. 9.— Logan, Geol. Canada, 1863, p. 104, fig. 13.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 775, fig. Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. Protichnites latus Owen. Protichnites latus Owen, Quart. Jour. Geol. Soc. London, 8, 1852, p. 218, pi. 11. Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. Protichnites lineatus Owen. Protichnites lineatus Owen, Quart. Jour. Geol. Soc. London, 8, 1852, p. 220, pi. 13 and pi. 8A, 3.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 104, fig.— Lesley, Rep. Geol. Surv. Pennsylvania, P 4, 1889, p. 776, figs. Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. Protichnites logananus Marsh. Protichnites logananus Marsh, Amer. Jour. Sci., 2d. ser., 48, 1869, pp. 46-49; Proc. Amer. Assoc. Adv. Sci., 17, 1869, pp. 322-324.— Walcott, Smiths. Misc. Coll., 57, 1912, p. 279, pi. 48-49. Upper Cambrian or Ozarkian (Potsdam): Essex County, New York. Plesiotype.— Cat. No. 58402, U.S.N.M. Protichnites multinotatus Owen. Protichnites multinotatus Owen, Quart. Jour. Geol. Soc. London, 8, 1852, pp. 214-217, pi. 9.— Logan, Geol. Canada, 1863, p. 104, fig. 14.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 776, figs. Upper Cambrian or Ozarkian (Potsdam) : Near Beauharnoia, Quebec. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1047 Protichnites octonotatus Owen. Protichnites octonotatua Owen, Quart. Jour. Geol. Soc. London, 8, 1852, p. 214-217, pi. 9.— Logan, Geol. Canada, 1863, p. 104, figs. 16, 17.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 776, figs. Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. Protichnites septemnotatus Owen. Protichnites septem-notatus Owen, Quart. Jour. Geol. Soc. London, 8, 1852, pp. 214-217, pi. 9.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 776, figs.— Walcott, Smiths. Misc. Coll., 57, No. 7, 1912, p. 278, pis. 46, 47. Upper Cambrian or Ozarkian (Potsdam): Near Beauharnois, Quebec. Plesiotype.—Czt. Nos. 58592, 58593, U.S.N.M. PROTOCRISINA Ulrich. Genotype: P. exigua Ulrich. Protocrisina Ulrich, Geol. Surv. Illinois, 8, 1890, p. 369.— (Ulrich, in press), Miller, N. A. Geol. Pal., 1889, p. 317.— Ulrich, ZittePs Textb. Pal. (Engl. ed.), 1896, p. 262.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 16.— Nickles and Bassler, Bull. U. S. Geol. Surv., 1900, p. 21.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 71, 72; Zittel-Eastman Textb. Pal., 1913, p. 320. Protocrisina exigua Ulrich. Protocrisina exigua Ulrich, Geol. Surv. Illinois, 8, 1890, p. 405, pi. 29, figs. 4-4c; pi. 43, figs. 11-lle; Zittel's Textb. Pal. (Engl. ed.), 1896, fig. 417 (p. 262).— Cumings, Amer. Jour. Sci., 4th ser., 20, 1905, pi. 7, fig. 53.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 73, fig. 17; Zittel-Eastman Textb. Pal., 1913, p. 320, fig. 443. Crisinella oeilensis Wiman, Bull. Geol. Univ. Upsala, 5, pt. 2, 1902, p. 181, pi. 6, figs. 12-16. Richmond: Wilmington, Illinois; central Tennessee (Fernvale) ; Anticosti (Char- leton); Island of Gotland (Borkholm drift). Figured sections of cotype— Cat. Nos. 43287, 43288, U.S.N.M. Protocrisina perantiqua (Hall). Gorgonia perantiqua Hall, Pal. New York, 1, 1847, p. 76, pi. 26, figs. 5a, b. Enallopora perantiqua D'Orbigny, Prodr. de Pal., 1, 1850, p. 22. — Emmons, Amer. Geol., 1, pt. 2, p. 206, pi. 7, figs. 5a, b.— Miller, N. A. Geol. Pal., 1889, p. 301. Protocrisina perantiqua Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 71 (gen. ref.). Trenton: Middleville, Trenton Falls, etc., New York; Montreal, Quebec. PROTOCYCLOCERAS Hyatt. Genotype: Orthoceras lamarcki Hall. Protocycloceras Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 518.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 438.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 55.— Hyatt, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 599. Protocycloceras(?) furtivum (Billings). Orthoceras furtivum Billings, Geql. Can. Pal. Foss., 1, 1865, p. 348, fig. 337. Protocycloceras(?) cf. furtivum Ruedemann, Bull. New York State Mus., 90, 1906, p. 445, pi. 16, fig. 3. Canadian (Beekmantown): Township of Kitley, Canada; Beekmantown, New York. Protocycloceras lamarcki (Billings). Orthoceras Lamarcki Billings, Canadian Nat. Geol., 4, 1859, p. 362; Geol. Canada, Geol. Surv. Canada, 1863, p. 121, fig. 38a-c; Pal. Foss., 1, Geol. Surv. Canada, 1865, pp. 255, 347, fig. 336.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 551, figs. 1048 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Protocycloceras lamarcki — Continued. Protocycloceras lamarcki Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 518 (gen. ref.).— Ruedemann, Bull. New York State Mus., 90, 1906, p. 441, pi. 15, figs. 1-6; pi. 16, figs. 1-2; figs. 15, 16.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 56, fig. 1255. Canadian: Mingan Islands; Godmanchester, and Leeds and Grenville counties, Canada; Newfoundland; Beekmantown, etc., New York (Beekmantown). Protocycloceras whitfleldl Ruedemann. Orthoceras bilineatum Whitfield, Bull. Amer. Mus. Nat. Hist., 3, 1890, p. 35, pi. 2, fig. 5, fig. 17a-b. Protocycloceras whitfieldi Ruedemann, Bull. New York State Mus. Nat. Hist., 90, 1906, p. 443, fig. 17a, pi. 15, fig. 7. Canadian (Beekmantown): Fort Cassin, Vermont. PROTOKIONOCERAS Grabau and Shimer. Genotype: Orthoceras medullare Hall. Protokionoceras Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 58. Protokionoceras crebescens (Hall). Orthoceras crebescens Hall, 20th Rep. New York State Cab. Hist., 1868, p. 354, pi. 19 (10), figs. 1-3; rev. ed., 1870, p. 413, pi. 19, figs. 1-3.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 194, fig.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 1, 1884, p. 37; ibid., pt. 2, 1895, p. 98.— Newell, Proc. Bostoi Soc. Nat. Hist., 23, 1888, p. 466.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 545, fig.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 80, pi. 10, figs. 24, 27, 28; p1. 11, figs. 2-5. Protokionoceras crebescens Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 58, fig. 1263. Niagaran: Racine, etc., Wisconsin (Waukesha, Racine, and Guelph); Hespeler, Elora, etc., Ontario; Shelby, New York (Guelph). Protokionoceras medullare (Hall). Orthoceras medullare Hall, 20th Rep. New York State Cab. Hist., 1868, p. 353, pi. 20, figs. 1, 2; p. 381; rev. ed., 1870, p. 412, pi. 20, figs. 1, 2.— Meek and Worthen, Geol. Surv. Illinois, 6, 1875, p. 504, pi. 26, fig. 1.— Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 323; Trans. Albany Inst., 10, 1883, p. 74.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 37.— Keyes, Missouri Geol. Surv., 5, 1894, p. 227.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 99 (loc. occ.).— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 216; Bull. New York State Mus., 45, 1901, p. 216.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 469, pi. 19, figs. 1, 2. Orthoceras (Kionoceras) medullare Clarke and Ruedemann, Bull. New York State Mus., 65, 1903, p. 811 (gen. ref.). Kionoceras medullare Clarke and Ruedemann, Mem. New York State Mus., 65, 1903, p. 86, pi. 10, fig. 23. Protokionoceras medullare Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 58, fig. 1262. Clinton-Niagaran: Waukesha, etc., Wisconsin (Racine); Elora, Ontario; New York; Delphi, Indiana; etc. Protokionoceras trusltum (Clarke and Ruedemann). Orthoceras trusitum Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 77, pi. 10, figs. 25, 26; pi. 13, figs. 1-10. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1049 Protoklonoceras trusltum— Continued. Protokionoceras trusitum Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 59. Orthoceraa cf. trusitum Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 196. Niagaran (Guelph): Shelby and Eochester, New York. Cayugan (Cobleskill) : Schoharie, New York. ?Upper Monroan (Lucas) : Grosse Isle, Detroit River, Michigan. PROTOPAKeiria? nuculitiformis Cleland. Ribeiria? nuculitiformis Cleland, Bull. Amer. Pal., 3, 1900, p. 133 (261), pi. 16, figs. 10-14. Canadian (Tribes Hill): Near Fort Hunter, New York. Ribeiria nuculitiformis equilatera Cleland. Ribeira nuculitiformis var. equilatera Cleland, Bull. Amer. Pal., 3, 1900, p. 134 (262), pi. 16, fig. 15. Canadian (Tribes Hill): Fort Hunter, New York. Ribeiria parva Collie. Ribeina parva Collie, Bull. Geol. Soc. Amer., 14, 1903, p. 419, pi. 59, figs. 4, 5. Canadian (Beekmantown) : Bellefonte, Pennsylvania. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1131 Ribeiria turgida Cleland. Ribeiria turgida Cleland, Bull. Amer. Pal., 4, 1903, p. 12, pi. 3, figs. 6, 7.. Canadian (Tribes Hill) : Fort Hunter and Tribes Hill, New York. Ribeiria ventricosa Whitfield. Ribeiria ventricosa Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 344, pi. 33, figs. 1, 2.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 909, fig.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 375. Canadian (Beekmantown) : Fort Cassin, Vermont. RIBEIRINA Billings. See^ibeiria Sharpe. RCEMERASTER Sturtz. See Urasterella McCoy. ROMINGERIA Nicholson. Genotype: Aulopora umbellifera Billings. Quenstedtia Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 71 (preoccupied). Romingeria Nicholson, Tab. Corals Pal. Period, 1879, p. 114. — Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 449.— Miller, N. A. Geol. Pal., 1889, p. 203.— Beecher, Trans. Connecticut Acad. Arts Sci., 8, 1891, pp. 212, 218.— Sardeson, Neties Jahrb. Min., Geol., Pal., Beilage-Band, 10, 1896, pp. 251, 327.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 46. — Pocta, Syst. Sil. du Centre Boheme, 8, pt. 2, 1902, p. 265. — Beecher, Amer. Jour. Sci., 16, 1903, p. 1.— Grabau and Shimer, N. A. Index 'Fossils, 1, 1906, p. 79; Zittel- Eastman Textb. Pal., 2d ed., 1900, p. 101; 2d ed., 1913, p. 116. Romingeria niagarensis (Rominger). Quenstedtia niagarensis Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 72, pi. 33, fig. 3. Romingeria Niagarensis Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 450 (gen. ref.). Niagaran: Point Detour, Michigan; Masonville, Iowa. Romingeria? trentonensis Weller. Romingeria? trentonensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 138, pi. 6, fig. 5. Black River ( Jacksonburg) : Near Stillwater, New Jersey. Romingeria umbellifera (Billings). Aulopora umbellifera Billings, Canadian Jour., 4, 1859, p. 119. — Nicholson, Pal. Ontario, 1874, p. 43, pi. 6, fig. 4.— Whiteaves, Rep. Progr., Geol. Surv. Canada, 1877, p. 317. Quenstedtia umbellifera Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 71, pi. 33, fig. 3. Romingeria umbellifera Nicholson, Tabulate Corals Pal. Period, 1879, p. 116, fig. 19.— Lambe, Contr. Can. Pal., Geol. Surv. Canada, 1899, p. 46.— Beecher, Amer. Jour. Sci., 4th ser., 16, 1903, pp. 2-6, pis. 1-4.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 79.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 108, pi. 14, fig. 7. Middle Devonian: Ontario and New York. Upper Monroan (Amherstburg) : Detroit River, opposite Amherstburg, Ontario. Romingeria uva Davis. Romingeria uva Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 75, figs. 6, 7. Niagaran (Louisville) : Louisville, Kentucky. 84243°— Bull. 92— vol 2—15 27 1132 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Romingeria vannula Davis. Romingeria vannula Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 75, figs. 1-3, 5. Niagaran (Louisville): Louisville, Kentucky. Cotype.— Cat. No. 52743, U.S.N.M. ROPALONARIA VENOSA Uliich. See Rhopalonaria venosa. ROSACILLA Roemer. See Berenicea Lamouroux. ROSENELLA Nicholson. Genofcape: R. glenelgensis Parks. Rosenella Parks, Univ. Toronto Studies (Geol. Series); No. 4, 1907, p. 23. Rosenella glenelgensis Parks. Rosenella glenelgensis Parks, Univ. Toronto Studies (Geol. Series), No. 4, 1907, p. 23, pi. 2, fig. 3; pi. 3, fig. 4; pi. 6, fig. 5. Niagaran (Guelph): Durham and Elora, Ontario. Rosenella? manitoulinensis Parks. Rosenella(?) manitoulinensis Parks, Univ. Toronto Studies (Geol. Series), No. 5, 1908, p. 42, pi. 12, fig. 3; pi. 14, fig. 8. Niagaran: Manitoulin Island; drift at Ann Arbor, Michigan. ROUVILLIGRAPTUS Barrois. See Holograptus Holm. RUEDEMANNIA Foerste. See Lophospira Whitfield. RUSICHNITES Dawson. See Rusophycus Hall. RUSOPHTCUS Hall. Genotype: R. clavatum Hall. Rusophycus Hall, Pal. New York, 2, 1852/p. 23.— Dawson, Canadian Nat. and Geol., n. s., 1, 1864, p. 363.— Nathorst, Kongl. Sven. Vet.-Akad. Handl., 18, No. 7, 1881, p. 33.— Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 599.-James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 153-155.— Miller, N. A. Geol. Pal., 1889, p. 138. Rhysophycus Roemer, Leth. geog., 1 Theil, Leth. Pal., Erste Lief, 1880, p. 130. Rusichnites Dawson, Can. Nat. Geol., 1, 1861, p. 363. Rusophycus asperum Miller and Dyer. Rusophycus asper. Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 25, pi. 1, figs. 5, 5a. Cruziana aspera James, ibid., 7, 1885, p. 156. Eden (Economy): Cincinnati, Ohio, and vicinity. i Rusophycus biloba (Vanuxem). Fucoides biloba Vanuxem, Nat. Hist. New York, pt. 3, 1842, p. 79, fig. 11, No. 1; ibid., pt. 4, 1843, p. 77, fig. 1; tab. ill. 9, fig. 1.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 307, fig. 1.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, pi. 6, fig. 13. Rusophycus bilobatus Hall, Pal. New York, 2, 1852, p. 24, pi. 9, figs, la-c.— Rogers, Geol. Pennsylvania, 2, 1858, p. 822, fig. 626.— Emmons, Man. Geol., 1860, p. 107, fig. 1.— Dana, Man. Geol., 1863, p. 235, fig. 365.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 37, fig. 14.— Miller, N. A. Geol. Pal., 1889, p. 914, fig. Rhysophycus bilobatus Delgado, Etude Bilobites, Syst. Sil. Portugal, Lisbonne, Suppl., 1887, p. 65, pi. 8, fig. 5. Cruziana bilobata James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 154-57. Clinton: Oneida County, New York. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1133 RUSOPHYCUS BILOBATUS Hall. See Rusophycus biloba. RUSOPHYCUS CARLE YI (James). Cruziana carleyi James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 155, pi. 8, fig. 1. Eden or Maysville: Bantam, Clermont County, Ohio. Rusophycus clavatum Hall. Rusophycus clavatus Hall, Pal. New York, 2, 1852, p. 23, pi. 8, figs. la-b. Clinton: New Hartford, Oneida County, New York. »* Rusophycus clintonense (Dawson). Rusichnites (Psammichnites) clintonensis Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 598, fig. 3. Rhysophycus clintonense Miller, N. A. Geol. Pal., 1st App., 1892, p. 666 (gen. ref.). Upper Medinan. (Cataract): Hamilton, Ontario. Rusophycus grenvillense Billings. Rusophycus Grenvillensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 101 (adv. sheets, 1862).— Dawson, Canadian Nat. Geol., n. s., 1, 1864, p. 363, figs. Rusichnitea grenvillensis Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 597, fig. 1. Chazy sandstone: Head of Grenville Canal, Canada. Rusophycus pudicum Hall. Rusophycus pudicus Hall, Pal. New York, 2, 1852, p. 24, pi. 8, fig. 6a-b. Cruziana pudica James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, pp. 154, 157. Clinton: New Hartford, New York. Rusophycus subangulatum (Hall). Rusophycus subangulatus Hall, Pal. New York, 2, 1852, p. 23, pi. 8, fig. 2a-b. Cruziana subangulata James, Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 154. Clinton: New Hartford, New York. SABELLARITES Dawson. Genotype: Sabellarites trentonensis Dawson. Sabellaritea Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 605. — Miller, N. A. Geol. Pal., 1st App., 1892, p. 703. Sabellarites phosphaticus Dawson. Sabellarites phosphaticus Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 608. Canadian? (Levis?): Kamouraska, Quebec. Sabellarites trentonensis Dawson. Sabellarites trentonensis Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 607, fig. 11, p. 608. Black River: Pointe Clair, near Montreal, Quebec. SACCOCRINUS Hall. See Periechocrinus Austin. SACCOCRINUS BENEDICT! Miller. See Habrocrinus benedicti. SACCOCRINUS CHRISTYI Meek and Worthen. See Periechocrinua whitfieldi. SACCOCRINUS HOWARDI Miller. See Habrocrinus howardi. SACCOCRINUS PYRIFORMIS Miller. See Periechocriiius urnifonnis. 1134 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SACCOCRINUS SACCULUS Meek and Worthen. See Periechocrinus whitfieldi. SACCOCRINUS SEMIRADIATUS Miller. See Macrostylocriiius Bemiradiatus. SACCOCRINUS SPECIOSUS Roemer. See Periechocrinus dubius. Saccophycus James. Genotype: Saccophycus intortus James. Saccophycus James, Paleontologist, No. 3, 1879, p. 17; Jour. Cincinnati Soc. Nat. Hist., 7, 1885, p. 157. Saccophycus intortus James. Saccophycus intortus James, Paleontologist, No. 3, 1879, p. 17. Maysville?: Near Lebanon, Ohio. Observation. — Not recognizable without a restudy of the type. SACCOSPONGIA Ulrich. Genotype: S. rudia Ulrich. Saccospongia Ulrich, Amer. GeoL, 3, 1889, pp. 235, 242.— Miller, N. A. Geol. Pal., 1889, p. 164. Saccospongia danvillensis Ulrich. Saccospongia danvillensis Ulrich, Amer. GeoL, 3, 1889, p. 243. Trenton (Perryville): Boyle, Mercer, Franklin, and Fayette Counties, Kentucky. Cotypes.— Cat. No. 46570, U.S.N.M. Saccospongia rudis Ulrich. Saccospongia rudis Ulrich,, Amer. GeoL, 3, 1889, p. 242, fig. 7. Trenton (Cynthiana) : Near Lexington and Frankfort, Kentucky. Cotypes.— Cat. No. 46571, U.S.N.M. SACTOCERAS Hyatt. See Loxoceras McCoy. SACTOCERAS CANADENSE Whiteaves. See Actinoceras (Paractinoceras) canadense. S^ERICHNITES Billings. Genotype: S. abruptus Billings. Saerichnites Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 73. — Miller, N. A. GeoL Pal., 1889, p. 453. Saerichnites abruptus Billings. Saerichnites abruptus Billings, Cat. Sil. Foss. Anticosti, GeoL Surv. Canada, 1866, p. 73. Richmond (English Head): Near English Head, etc., Anticosti. SAFFORDIA Ulrich. Genotype: S. ventralis Ulrich. Saffordia Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 625.— Grabau and Shimer, N. A. Index Fossils, 1, 190.9, p. 384. Saffordia modesta (Ulrich). Cypricardites? modestus Ulrich, Amer. GeoL, 10, 1892, p. 100, pi. 7, figs. 5-7. Saffordia modesta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 627, pi. 41, figs. 29-31.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 163.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 385, fig. 489c. Trenton: Oshkosh, Wisconsin; Goodhue and Fillmore Counties, Minnesot (Prosser); Baffin Land. Holotype.—Czt. No. 46307, U.S.N.M. Saffordia sulcodorsata (Ulrich). Cuneamya sulcodorsata Ulrich, 19th Ann. Eep. GeoL Nat. Hist. Surv. Minnesol 1892, p. 248, fig. 32. Saffordia sulcodorsata Ulrich, GeoL Minnesota, 3, pt. 2, 1894, p. 626, pi. 41, figs. 32, 33. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1135 Saffordia sulcodorsata — Continued. Cypricardites sulcodorsatus Miller, N. A. Geol. Pal., 2d App., 1897, p. 781 (gen. ref.). Richmond (Maquoketa) : Spring Valley, Minnesota. Holotype.—Ca,t. No. 46308, U.S.N.M. Saffordia ulrichl Ruedemann. Saffordia ulrichi Ruedemann, Bull. New York State Mus., 162, 1912, p. 107, pi. 6, figs. 17, 18. Trenton (Schenectady) : Schenectady, New York. Saffordia ventralis Ulrich. Saffordia ventralis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 626, pi. 41, figs. 34-41.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 385, figs. 489a-b. Cypricardites ventralis Miller, N. A. Geol. Pal., 2d App., 1897, p. 7.81 (gen. ref.). Richmond (Maquoketa): Spring Valley, Minnesota; Iron Ridge, Wisconsin. Cotypes.—C&t. Nos. 46309, 46310, U.S.N.M. SAGENELLA Hall. See Berenicea Lamouroux. Sagenella ambigua Walcott. Not recognizable. Sagenella ambigua Walcott, Trans. Albany Inst., 10, 1883, p. 22, pi. 1, figs. 3, 3a. Utica: Trenton, New York. SAGENELLA ELEGANS Hall. See Berenicea consimilis. SAGENELLA MEMBRANACEA Hall. See Berenicea consimilis. SAGENELLA STRIATA James. See Escharopora acuminata. SAGENOCRINITES Austin. See Sagenocrinus Austin. SAGENOCRINUS Austin. Genotype: Actinocrinus expansus Phillips. Sagenocrinites Austin, Ann. Mag. Nat. Hist., 11, 1843, p. 205. Sagenocrinus Pictet, Traite Pal., 4, 1857, p. 323.— Angelin, Icon. Crin. Suec., 7, 1878.— (Ehlert, Bull. Soc. Geol. France, 7, 1879, p. 8.— Zittel, Handb. Pal., 1, 1879, p. 375.— Waschmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881 (Rev. Pal., pt. 2), pp. 184-201; ibid, 1885, p. 321; ibid., 1888, p. 357; ibid., 1890, p. 388.— Jaekel, Zeits. d. d. geol. Ges., 49, Verhandl., 1897, p. 46.— Bather, Treatise on Zool., 1900, p. 190.— Springer, Jour. Geol., 14, 1906, p. 518; Mono. Crin. Flex. Smiths. Inst. (in press); Zittel-EastmanTextb. Pal., 2d ed., 1913, p. 204. Sagenocrinus americanus Springer. Sagenocrinus americanus Springer, Amer. Geol., 30, 1902, p. 88, fig.; Mono. Crin. Flex. Smiths. Inst. (in press). Niagaran (Waldron): Waldron, Indiana. Sagenocrinus clarki Springer. Sagenocrinus clarki Springer, Mono. Crin. Flex. Smiths. Inst. (in press). Niagaran (Brownsport) : Decatur County, Tennessee. SALPINGOSTOMA (Roemer). Genotype: S. megalostoma Eichwald. Bellerophon and Bucania (part) of authors. Salpingostoma Roemer, Leth. Geog., 1, Leth. Pal. Atlas, 1876, pi. 5, fig. 12.— Zittel, Handb. Pal., 2, 1882, p. 184.— Koken, Neues Jahrb. Min. Geol. Pal., 6, Beilage-Band, 1889, p. 381, 385.— Newton, Geol. Mag., dec. 3, 9, 1892, p. 338.— Koken, Die Leitfossilien, Leipzig, 1896, p. 99.— Whidborne, Mon. Dev. Fauna South England, 3, Pal. Soc., 1896, p. 66.— Ulrich and Scofield, Geol. 1136 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SALPINGOSTOM A— Continued. Minnesota, 3, pt. 2, 1897, pp. 851-897.— Koken, Bull. Acad. Imp. Sci. St. Petersburg, 7, p. 129; Neues Jahrb. Min. Geol. Pal., 1, 1898, p. 6, 7.— Pilsbry, Zittel-EastmanTextb. Pal., 1, 1900, p. 445.— Clarke and Buedemann, Mem. New York State Mus., 5, 1903, p. 56.— Cumings, 32d Ann. Bep. Dep. Geol. Nat. Bes. Indiana, 1908, p. 952.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 614.— Dall, Zittel-EastmanTextb. Pal., 2d ed., 1913, p. 521. Salpingostoma boreale Whiteaves. Salpingostoma boreale Whiteaves, Geol. Surv. Canada, Ann. Bep., n. s. , 14, App. F, 1904, p. 49; ibid., Pal. Foss., 3; pt. 4, 1906, p. 258, pi. 28, figs. 10, 11. Niagaran: Ekwan Biver, Canada. Salpingostoma buelli (Whitfield). Bucania buelli Whitfield, Ann. Bep. Geol. Surv. Wisconsin, 1878, p. 76. — Cham- berlin^ Geol. Wisconsin, 1, 1883, p. 158. — Koken, Neues Jahrb. Min. Geol. Pal., 6, Beilage-Band, 1889, p. 386. Bucania (Tremanotus?) buelli Wliitfield, Geol. Wisconsin, 4, 1882, p. 224, pi. 6, figs. 12-14.— Whiteaves, Canadian Bee. Sci., 5, 1893, p. 322 (loc. occ.). Salpingostoma Buelli Whiteaves, Pal. Foss., 3, pt. 3, Geol. Surv. Canada, 1897, p. 189.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 900, pi. 47, figs. 34-37.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 614, fig. 823a-c. Black Biver: Beloit and Janesville, Wisconsin; Bockton and Dixon, Illinois; Minneapolis, etc., Minnesota; Lower Fort Garry, Manitoba. Plesiotype.—V&t. No. 45980, U.S.N.M. Salpingostoma buelli kentuckyense Ulrich and Scofield. Salpingostoma buelli var. kentuckyensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 901. Trenton (Curdsville) : Mercer County, Kentucky. Cotypes— Cat. No. 45981, U.S.N.M. Salpingostoma canadense (Billings). Bellerophon Canadensis Billings, Cat. Sil. Fossils Anticosti, Geol. Surv. Canada, 1866, p. 18, fig. 6; p. 56. Salpingostoma canadensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 851 (gen. ref.). Bichmond (English Head, Charleton) and Gamachian (Ellis Bay) : MacastyBay, etc., Anticosti. Salpingostoma expansum (Hall). Bucania expansa Hall, Pal. New York, 1, 1847, p. 186, pi. 40, figs. 7a-d.— Miller, Cincinnati Quart. Jour. Sci., 1874, 1, p. 307. — Lesley, Geol. Surv. Pennsyl- vania, Bep. P 4, 1889, p. 96, figs. Bellerophon expansus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 164, pi. 6, fig. 7. Bucania (Bellerophon) expansa Hall, Bep. Geol. Surv. Wisconsin, 1862, p. 40, fig. 1. Salpingostoma expansum Cumings, 32d Ann. Bep. Dep. Geol. Nat. Bes. Indiana, 1908, p. 973, pi. 40, figs, 1-lb.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 614. Trenton: Watertown, New York; Canada; etc. Salpingostoma fraternum (Billings). Bellerophon fraternus Billings, Cat. Sil. Fossils Anticosti, Geol. Surv. Canada, 1866, p. 19. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1137 Salpingostoma fraternum — Continued. Salpingostoma fraternum Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 851 (gen. ref.). Richmond (English Head): English Head, Anticosti. Salpingostoma imbricatum Ulrich and Scofield. Salpingostoma imbricata Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 902, pi. 82, figs. 21 and 22. Bucania imbricata Miller, N. A. Geol. Pal., 2d App., 1897, p. 766 (gen. ref.). Richmond (Maquoketa) : Near Spring Valley, Minnesota. Holotype.—Cat. No. 45982, U.S.N.M. Salpingostoma richmondense Ulrich. Salpingostoma richmondensis Ulrich, Geol. Minnesota, 3, 1897, p. 903, pi. 67, figs. 39, 40.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 974, pi. 39, figs. 7, 7a.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 614, fig. 823d-e. Bucania richmondensis Miller, N. A. Geol. Pal., 1897, p. 766 (gen. ref.). Richmond (Whitewater): Richmond, Indiana. Holotype.—C&t. No. 45983, U.S.N.M. Salpingostoma sculptile Ulrich and Scofield. Salpingostoma sculptilis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p, 902, pi. 82, figs. 16-20. Bucania sculptilis Miller, N. A. Geol. Pal., 2d App., 1897, p. 766 (gen. ref.). Trenton (Prosser): Goodhue County; near Fountain, Minnesota. Cotype— Cat. No. 45984, U.S.N.M. SALTERASTER Sturtz. See Urasterella McCoy. SALTERELLA Billings. Genotype: S. rugosa Billings. Salterella Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 17 (adv. sheets, 1861); Geol. Vermont, 2, p. 954; Rep. Econ. Geol., etc., Vermont, 1862, p. 226; Amer. Jour. Sci. Arts, 2d ser., 33, 1862, p. 105.— Barrande, Syst. Sil. du Centre Boheme, 3, 1867, p. 137.— Zittel, Handb. Pal., 2, 1882, p. 315.— Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 143.— Miller, N. A. Geol. Pal., 1889, p. 520. Salterella billingsi Safford. Salterella Billingsi Safford, Geol. Tennessee, 1869, p. 289. Stones River (Murfreesboro) : Murfreesboro, Tennessee. SANNIONITES Barrande. See Cameroceras Conrad. SAO(?) LAMOTTENSIS WHITFIELD. See Glaphurus pustulatus. SARCINULA COSTATA Owen. See Lyellia glabra. • SARCINULA (Po RITES) GLABRA Owen. See Lyellia glabra. SARCINULA? OBSOLETA Hall. See Columnaria (Palseophyllum) stokesi. SARCINULA ORGANUM Goldfuss. See Syringophyllum organum. SAUKIA Walcott. Genotype: Dikelocephalus lodeneis Whitfield. Saukia Walcott, Smiths. Misc. Coll., 57, No. 13, 1914, p. 373. 1138 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Saukia stosei Walcott. Dikelocephalus hartti Walcott in Stose, U. S. Geol. Surv., folio No. 170, 1909, p. 6. Saukia stosei Walcott, Smiths. Misc. Coll., 57, No. 13, 1914, p. 384, pi. 69, figs. 3-5; pi. 70, figs. 12, 12a. Lower Ozarkian or Upper Cambrian (Conococheague) : Near Scotland, Franklin County, Pennsylvania. SC^VOGYRA Whitfield. Genotype: S. swezeyi Whitfield. Scsevogyra Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 61; Geol. Wisconsin, 4, 1882, p. 198.— Koken, Neues Jalirb. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 402.— Miller, N. A. Geol. Pal., 1889, p. 425.— Berkey, . Amer. Geol., 21, 1898, p. 286. . Scaevogyra elevata Whitfield. Scsevogyra elevata Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 62; Geol. Wisconsin, 4, 1882, p. 199, pi. 3, fig. 11.— Chamberlin, Geol. Wis- consin, 1, 1883, p. 142, fig.— Sardeson, Jour. Geol., 11, 1903, p. 479, fig. 9. Ozarkian (Mendota): East of Baraboo, Wisconsin. Scaevogyra obliqua Whitfield. Scsevogyra obliqua Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 63; Geol. Wisconsin, 4, 1882, p. 199, pi. 3, fig. 10.— Chamberlin, Geoi Wisconsin, 1, 1883, p. 142, fig. Ozarkian (Mendota): East of Baraboo, Wisconsin. SOEVOGYRA PRIMORDIALE Berkey. See Platyceras primordiale. Scsevogyra swezeyi Whitfield. Scsevogyra Swezeyi Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 62; Geol. Wisconsin, 4, 1882, p. 198, pi. 3, figs. 7-9.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 142, fig.— Sardeson, Jour. Geol. 11, 1903, p. 479, fig. 8. Ozarkian (Mendota): East of Baraboo, Wisconsin. SCALITES Emmons. Genotype: S. angulatus Emmons. Spalites Emmons, Geol. Rep. New York, 1842, p. 312.— D'Orbigny, Prodr. de Pal., 1, 1849, p. 7.— Woodward, Man. Mollusca, pt. 1, 1851, p. 147.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 155.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 163.— Salter, Geol. Surv. Canada, dec. 1, 1859, p. 10.— Billings, Canadian Nat. Geol., 4, 1859, pp. 448-450.— Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 317.— Zittel, Handb. Pal., 2, Munich, 1882, p. 182.— Koken, Neues Jahrb. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 321, 348.— Miller, N. A. Geol. Pal., 1889, p. 425.— Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 933.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 458.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 630.— Ball, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 527. Scalites angulatus Emmons. Scalites angulatus Emmons, Geology Rep. New York, 1842, p. 312.— Hall, Pal. New York, 1, 1847, p. 27.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 163, pi. 62, fig. 25.— Emmons, Amer. Geology, 1855, p. 159, pi. 4, fig. 20; Manual Geol., 1860, p. 93, fig. 78.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 40, pi. 1, fig. 6.— Miller, N. A. Geol. Pal., 1889, p. 425, fig. 711.— Koken, Neues Jahrb. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 348.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 931, fig.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 933, fig. 4.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 183, pi. 68, figs. 13-16; fig. 3, 4.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 630, fig. 854a. Chazyan (Day Point): Chazy, etc., New York. Pleviotype.—Csit. No. 45985, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1139 SCALITES ELEVATUS Miller. See Eotomaria elevata. SCALITES LATICINCTUS Miller. See Omospira laticincta. SCALITES PLANISTRIA Emmons. See Raphistoma stamineum. SCALITES STAMINEA Emmons. See Raphistoma stamineum. SCALITES STRIATA Emmons. See Raphistoma striatum. SCENELLA Billings. Genotype: S. reticulata Billings. Scenella Billings, Canadian Nat. Geol., 4, 1872, p. 479; Pal. Foss., Geol. Surv. Canada, 2, pt. 1, 1874, p. 77.— Whiteaves, ibid., 3, pt. 1, 1884, p. 32.— Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 125.— Miller, N. A. Geol. Pal., 1889, p. 392.— Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 822-837.— Berkey, Amer. Geol., 21, 1898, p. 278.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 608. Scenella affinis Ulrich and Scofield. Scenella affinis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 840, pi. 61, figs. 36, 37. Blacl^ River (Decorah) and Trenton (Prosser): Kenyon, Wykoff, etc., Minnesota. Holotype—Csit. No. 45986, U.S.N.M. Scenella affinis obsoleta Ulrich and Scofield. Scenella affinis var. obsoleta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 841. Trenton (Prosser): Cannon Falls, Minnesota. . No. 45987, U.S.N.M. Scenella? alta (Whitfield). Metoptoma alta Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 44, pi. 7, figs. 12, 13.— Koken, Neues Jahrb. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 478.— Calvin, Bull. Lab. Nat. Hist. State Univ. Iowa, 2, 1892, p. 191; Amer. Geol., 10, 1892, p. 146. Scenella? alta Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838 (gen. ref.). Canadian: Beekmantown, New York (Beekmantown) ; Northeastern Iowa (Oneota). Scenella analoga (Walcott). Metoptoma? analoga Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 84, pi. 1, figs. 11, lla. Upper Pogonip: Pogonip Ridge, Eureka District, Nevada. Holotype.—G&i. No. 17358, U.S.N.M. Scenella beloitensis Ulrich and Scofield. Scenella beloitensis Ulrich and Scofield, Geol. Minn., 3, pt. 2, 1897, pi. 61, figs. 33 and 34. Black Ri ver (Platteville): Beloit, Wisconsin. Plastotype.—Ca,t. No. 46532, U.S.N.M. Scenella cassinensls Bassler (new name). Tryblidium conicum Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 306, pi. 24, figs. 26, 27, 32, 33; ibid., 3, p. 29, pi. 1, figs. 3, 4.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1234, figs.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 60, figs. 9, 10; pi. 62, figs. 26, 27, 32, 33. 1140 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Scenella cassinensis — Continued. Scenella conica Ulrich and Scofield (not Whiteaves, 1894), Geol. Minnesota, 3, pt. 2, 1897, p. 826 (gen. ref.). Canadian (Beekmantown) : Fort Cassin, Vermont. Scenella compressa Ulrich and Scofield. Scenella compressa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 840, pi. 61, figs. 38-41. Conchopeltis compressa Miller, N. A. Geol. Pal., 1897, p. 7G6 (gen. ref.). Black River (Platteville): Minneapolis, Minnesota. Holotype~Ca,t. No. 45988, U.S.N.M. SCENELLA CONICA Ulrich and Scofield. Scenella cassinensis. Scenella conica Whiteaves. Scenella conica Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 32, pi. 5, figs. 2, 2a.— Miller, N. A. Geol. Pal,, 1889, p. 392, fig. 648.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 933, figs.— Whiteaves, Pal. . Foss., Geol. Surv. Canada, pt. 2, 1895, p. 69. Niagaran (Guelph): Durham, Ontario. Scenella magnifica Ulrich and Scofield. • Scenella magnifica Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 839, pi. 82, figs. 7-9. Black River (Platteville): Cannon Falls, Minnesota. Plastotype— Cat. No. 45989, TJ.S.N.M. Scenella montrealensis (Billings). Metoptoma Montrealensis Billings, Pal. Foss., 1, 1865, p. 394, fig. 371. Scenella montrealensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 173, pi. 46, figs. 9, 10; pi. 55, fig. 1.— Grabau and Shimer, N, A. Index Fossils, 1, 1909, p. 608, fig. 812, 813. Chazyan (Day Point — Valcour): Montreal, Quebec; etc.; Chazy, etc., New York; Isle La Motte, Vermont. Plesiotype.— Cat. No. 53633, U.S.N.M. Scenella obtusa (Sardeson). Conchopeltis (Metoptoma) obtusa Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 336, pi. 6, fig. 17. Scenella obtusa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 841, pi. 82, fig. 10. Black River (Decorah): Minneapolis, Minnesota. Scenella orithyia (Billings). Metoptoma orithyia Billings, Pal. Foss., 1, Geol. Surv. Canada, p. 38, fig. 40a, b (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 186$, p. 276, fig. 282a, b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 402, figs.— Sardeson, Jour. Geol., 11, 1903, p. 479, fig. 7. Canadian (Beekmantown): Phillipsburg, Quebec. Scenella pretensa Raymond. Scenella pretensa Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 375; Ann. Carnegie Mus., 4, 1908, p. 173, pi. 46, figs. 11-13. Chazyan: Chazy, New York (Day Point); Lenoir, Tennessee (Lenoir). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1141 Sceuella radialis Ulrich and Scofield. Scenella radialis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 841, pi. 61, figs. 31, 32. Trenton (Prosser) : St. Paul, Minnesota. Plastotype.—Cat. No. 45590, U.S.N.M. Scenella robusta Raymond. Scenella robusta Raymond, Amer, Jour. Sci., 4th ser., 20, 1905, p. 376; Ann. Carnegie Mus., 4, 1908, p. 174, pi. 47, figs. 1, 2, 3. Ohazyan: Valcour Island, New York (Crown Point); Lenoir, Tennessee (Lenoir). Scenella superb a (Billings). Metoptoma superba Billings, Pal. Foss., 1, Geol. Sun'-. Canada, 1865, p. 173, fig. 155. Scenella superba Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838, pi. 61, fig. 35.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 608. Conchopeltis Minnesotensia Walcott, 28th Rep. New York State Mus. Nat. Hist., 1875, p. 94, doc. ed., 1877. Black River: Pauquettes Rapids, Ottawa River, Canada (Leray); Cannon Falls, Minnesota (Platteville). Pleswtype.—Czt. No. 45991, U.S.N.M. Scenella? venillia (Billings). Metoptoma Venillia Billings, Pal. Foss. 1, Geol. Surv. Canada, 1865, p. 88, text fig. 80 (adv. sheets, 1862). Scenella? venilla Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 838 (gen. ref.). Ozarkian? (Levis-erratics) : Point Levis, Quebec. SCENELLOPORA Ulrich. Genotype: S. radiata Ulrich. Scenellopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 150. — Miller, N. A. Geol. Pal., 1889, p. 322.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 368.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 13.— Ulrich, Zittel's Textb. Pal. (Engl. ed.), 1896, p. 268.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 593.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 24.— Bassler, Bull. U. S. Geol. Surv., 77, 1911, p. 107.— Zittel- Eastman Textb. Pal., 1913, p. 328. Scenellopora radiata Ulrich. Scenellopora radiata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 158, pi. 6, figs. 6-6b.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, figs. 194, 195 (p. 593). Chazyan (Ottosee): Near Knoxville, Tennessee. Holotype.—C*t. No. 43289, U.S.N.M. SCENIDIUM Hall. Genotype: Orthis insignia Hall. Skenidium Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 70, figs. 1-5; Amer. Jour. Sci. Arts, 2d ser., 31, 1861, p. 293.— Zittel, Handb. Pal., 1, 1880, p. 677. — Davidson, Mon. British Foss. Brach., 5, Dev. Suppl., Pal. Soc., 1882, p. 48.— Waagen, Pal. Indica, 13th ser., 1, 1884, p. 549.— Miller, N. A. Geol. Pal., 1889, p. 371.— Koken, Die Leitfossilien, Leipzig, 1896, p. 235. Scenidium (Ehlert, Bull. Soc. d'Etudes Sci. d'Angers, 1887, p. 4, extract.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 241.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 381.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 276.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 320.— Grabau, Bull. New York State Mus., 45, 1901, p. 189; Buffalo Soc. Nat. Sci., 7, 1901, p. 189.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 270.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 393. 1142 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Scenidium anthonense Sardeson. Skenidium lialli Safford, Geol. Tennessee, 1869, p. 287 (undefined). Scenidium halli Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 242, pi. 7A, figs. 33-39. Skenidium anthonensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 333, pi. 4, fig. 7. Scenidium anthonensis Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 381, pi. 30, figs. 20-23.— Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 157, pi. 10, figs. 5-7.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 270, figs. 324h-k. Black River: Minneapolis, Cannon Falls, etc., Minnesota; Dixon, Illinois; Jack- sonburg, New Jersey. Scenidium bassleri Foerste. Scenidium bassleri Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 72, pi. 4, figs. 68 A, B. Niagaran (Waldron) : Newsom, Tennessee. SCENIDIUM HALLI Hall and Clarke. See Scenidium anthonense. Scenidium(?) merope (Billings). Orthis Merope Billings, Geol. Surv. Canada Pal. Foss., 1, 1865, p. 139, fig. 116 (adv. sheets, 1862). Scenidium? merope Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 242, pi. 7A, figs. 31, 32. Trenton: Ottawa, Ontario; Burgin, Kentucky. Scenidium? nodocostatum Rowley. Skenidium ?nodocostatum Rowley, Amer. Geol., 34, 1904, p. 280, pi. 16, figs. 60-63. Niagaran (Bainbridge) : Six miles west of St. Marys, Ste. Genevieve County, Missouri. Scenidium pyramidale Hall. Orthis pyramidalis Hall, Pal. New York, 2, 1852, p. 251, pi. 52, fig. 2. Skenidium pyramidalis Hall, 13th Rep., New York State Cab. Nat. Hist., 1860, p. 70. Scenidium pyramidale Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 242, pi. 7, figs. 29, 30; pi. 7A, figs. 40-42.— Grabau, Bull. New York State Mus., 45, 1901, p. 189, fig. 100; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 189, fig. 100. Skenidium pyramidata Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 37, figs. 29, 30. •Clinton (Rochester): Lockport, New York. SCEPTROPORA Ulrich. Genotype: S. facula Ulrich. Sceptropora Ulrich, Amer. Geol., 1, 1888, p. 228; Contr. Micro-Pal. Cambro-SiL, pt. 2, 1889, p. 46.— Miller, N. A. Geol. Pal., 1889, p. 322.— Ulrich, Geol. Sur. Illinois, 8, 1890, p. 400; Zittel's Textb. Pal. (Eng. ed.), 1896, p. 281.— Simp- son, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 548.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 143.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 152; Zittel-Eastman Textb. Pal., 1913, p. 343. Sceptropora facula Ulrich. Sceptropora facula Ulrich, Amer. Geol., 1, 1888, p. 229, fig. 1; Contr. Micro-Pal. Cambro-Sil., pt. 2, 1889, p. 46, fig. 2; Geol. Sur. Illinois, 8, 1890, p. 401, fig. 15.— Whiteaves, Pal. FOBS., 3, pt. 2, 1895, p. 117.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, fig. 116 (p. 549).— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 153, fig. 74. BIBLIOGKAPHIC LIST OF GENEEA AND SPECIES. 1143 Sceptropora facula — Continued. Richmond: Stony Mountain, Manitoba; Anticosti (English Head, Charleton); Wilmington (Fernvale) and Savannah (Maquoketa), Illinois; Tennessee; Missouri; Wyoming; etc.; Borkholm, Esthonia, Russia. Cotypes.—Czt. No. 43478, TJ.S.N.M. Sceptropora fustiformis Ulrich. Sceptropora fustiformis Ulrich, Contr. Micro-Pal. Cambro-Sil., pt. 2, 1889, p. 46. Upper Medinan (Cataract) : Hamilton, Ontario. Cotypes—Ca,t. No. 43474, U.S.N.M. SCHIZAMBON Walcott. Genotype: S. typicalis Walcott. Schizambon Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 69.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 113, 167.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 360.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 253.— Miller, N. A. Geol. Pal., 1889, p. 370.— Hall and Clarke, 45th Ann. Rep. New York State Mus., 1892, pp. 569-570.— Walcott, Smiths. Misc. Coll., 53, 1908, pi. 11, pp. 142, 144; U. S. Geol. Surv., Mon. 51, pt. 1, 1912, p. 622.— Schuchert, Zittel-Eastman Textb. Pal., 1910, p. 309; 2d ed., 1913, p. 376. Schizambonia (Ehlert, Fischer's Manuel Conch., 1887, p. 1266. Schizambon canadensis (Ami). Siphonotreta scotica Whiteaves, Arner. Jour. Sci., 3d ser., 24, 1882, p. 278; Canadian Nat. Geol., 10, 18-83, p. 396.— Ami, Canadian Rec. Sci., 3, p. 104. Siphonotreta scotica var. canadensis Ami, Ottawa Nat., 1, 1887, p. 124. Schizambon(?) fissus var. can?densis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 115, pi. 4, figs. 32-36. Trenton: Gloucester, OnfcarJo (ColUngwood); Rural Cemetary, near Albany, New York (Canajoharie). Schizambon? dodgei Winchell and Schuchert. Schizambon(?) dodgii Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 361, pi. 30, figs. 5-7. Trenton: Sandyhill, New York. Schizambon duplicimuratus Hudson. Schizambon duplicimuratus Hudson, Bull. New York State Mus., 80, 1905, p. 284, pi. 5, figs. 6, 7.— Raymond, Ann. Carnegie Mus., 7, 1911, p. 228, pi. 34, figs. 23-25. Chazyan: Valcour Island and Chazy, New York (Valcour); Mingan Islands, Quebec (Mingan). SCI:IZAMBON(?) FISSUS var. CANADENSIS Hall and Clarke. See Schizambon cana- densis. Schizambon? lockei Winchell and Schuchert. Schizambon(?) lockii Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 362, pi. 30, figs. 8-10. Maysville (Fairmount) : Cincinnati, Ohio. Schizambon manitouensis Walcott. Schizambon manitouensis Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 623, pi. 84, figs. 3, 3a-e. Canadian: Williams Canyon, Manitou, near Colorado Springs, Colorado. Holotype and plesiotypes.—Vzt. No. 52224, U.S.N.M. 1144 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schizambou priscus Matthew. Schizambon priscus Matthew, Bull. Nat. Hist. Soc. New Brunswick, 4, pt. 4, No. 19, 1901, pp. 277-278, pi. 5, figs. 4a-d; Geol. Surv. Canada, Rep. Cam- brian Rocks Cape Breton, 1903, pp. 187-189, pi. 11, figs. 6a-d.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 623, pi. 84, figs. 2-2e. Canadian (Bretonian — Div. C 3c): McLeod Brook, etc., Cape Breton, Nova Scotia; Navy Island, St. John Harbor, New Brunswick. Schizambon typicalis Walcott. Schizambon typicalis Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 70, pi. 1, fig. 3.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 114, fig. 65, pi. 4, figs. 27-30.— Hall and Clarke, llth Ann. Rep State Geol. New York, 1892, p. 253, pi. 4, figs. 18-20.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 624, pi. 84, figs. 1, la-d. Lower Pogonip: East of Hamburg Ridge, Eureka County, Nevada. Also Upper Cambrian, of Utah. Holotype and plesiotypes.—Cat. No. 24556, U.S.N.M. SCHIZAMBONIA (Ehlert. See Schizambon Walcott. SCHIZOCRANIA Hall and Whitfield. Genotype: Orbicula? filosa Hall. Schizocrania Hall and Whitfield, Pal. Ohio, 2, 1875, p. 71.— Zittel, Handb. Pal., 1, 1880, p. 665.— Miller, N. A. Geol. Pal., 1889, p. 371.— Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 148.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 142, 168.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 369.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 259.— Koken, Die Leitfossilien, Leipzig, 1896, p. 230.— Cumings, 32d Ann.' Rep. Dep. Geol. Nat. Res. Indiana, 1907, p. 894.— Grabau and Shimer, N. A.' Index Fossils, 1, 1907, p. 202.— Schuchert, Zittel-Eastman Textb. Pal./ 1900, p. 309; 2d ed., 1913, p. 377. Schizocrania filosa Hall. Orbicula? filosa Hall, Pal. New York, 1, 1847, p. 99, pi. 30, fig. 9. Orbiculoidea filosa Emmons, Amer. Geology, 1, pt. 2, 1855, p. 200, pi. 8, fig. 9. Crania filosa Hitchcock, Geol. Vermont, 1, 1862, p. 292, fig. 196. Obolus filosus Safford, Geol. Tennessee, 1869, p. 275, fig. 9. Trematis filosa Billings, Geol. Canada, 1863, p. 159, fig. 126.— Hall, 23d Rep. New York State Cab. Nat. Hist., 1873, pi. 13, figs. 21, 22.— Miller, Cin- cinnati Quart. Jour. Sci., 2, 1875, p. 15. Schizocrania filosa Hall and Whitfield, Pal. Ohio, 2, 1875, p. 73, pi. 1, figs. 12-15.— Miller, N. A. Geol. Pal., 1889, p. 371, fig. 609.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 143, pi. 4G, figs. 22-30.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 934, figs.— Winchell and Schuchert, Geol. Min- nesota, 3, 1893, p. 370, fig. 31; pi. 29, figs. 29-31.— Crane, Geol. Mag., dec. 4, 2, 1895, pi. 5, fig. 18.— Huene, Verh. d. Russ.-Kais. Mineral Ges. zu St. Petersburg, 36, 1899, p. 336, fig. 9.— Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 146, pi. 9, figs. 3, 4.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 202, fig. 236a.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p4||3, pi. 34, figs. 8, 8a.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p™. Trenton: Middleville, etc., New York; New Jersey; Minnesota; Kentucky; Ontario. Maysville and Richmond: Cincinnati, Ohio, and vicinity; Anticosti, etc. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1145 Schlzocrania(?) rudis Hall. Trematis rudis Hall, 23d Rep. New York State Cab. Nat. Hist., 1873, p. 243, pi. 13, fig. 19 (separates, 1871). Schizocrania(?) rudis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 144, pi. 4G, fig. 21.— Foerste, Jour. Geol., 11, 1903, p. 706; Bull. Sci. Lab. Den- ison Univ., 16, 1910, p. 40, pi. 3, fig. 22a-b. Trenton (Hermitage) : Clifton, Tennessee. Schizocrania schucherti Hall and Clarke. Schizocrania schucherti Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 143, 179, pi. 4G, figs. 31-33; 48th Rep. New York State. Mus., 2, for 1895, p. 334, pi. 3, figs. 5-7; 14th Rep. State Geol. New York for 1894, p. 334, pi. 3, figs. 5-7. Trenton (Upper) : Covington, Kentucky. SCHIZOCRINUS Hall. Genotype: S. nodosus Hall. Schizocrinus Hall, Pal. New York, 1, 1847, p. 81.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 328.— Hitchcock, Geol. Vermont, 1, for 1861, 1862, p. 291".— Zittel, Handb. Pal., 1, 1879, p. 371.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 394 (Rev. Pal., pt. 2, p. 220).— Miller, N. A. Geol. Pal., 1889, p. 281. SCHIZOCRINUS NODATUS Hitchcock. See Schizocrinus nodosus. Schizocrinus nodosus Hall. Schizocrinus nodosus Hall, Pal. New York, 1, 1847, p. 81, pi. 27, figs, la-b; Geol. Lake Sup. Land. Dist., Foster and Whitney's Rep., 1851, p. 208, pi. 25, figs. 2a-c.— Miller, N. A. Geol. Pal., 1889, p. 281, fig. 427. Scyphocrinus nodosus D'Orbigny, Prodr. de Pal., 1, 1849, p. 21 (gen. ref.). — Emmons, Amer. Geology, 1, pt. 2, 1855, p. 224. Schizocrinus nodatus Hitchcock, Geol. Vermont, 1, for 1861, 1862, p. 291. Trenton: Glen Falls, Middlevile, Trenton Falls, etc., New York. Schizocrinus striatus Hall. Schizocrinus striatus Hall, Pal. New York, 1, 1847, p. 316, pi. 28, figs. 4a-c. Scyphocrinus striatus D'Orbigny, Prodr. de Pal., 1, 1849, p. 24 (gen.^ref.). Trenton: Middleville, New York. SCHIZOLOPHA Ulrich. Genotype: S. textilis Ulrich. Schizolopha Ulrich, Geol. Minnesota, 3, pt. 2, 1897, pp. 952-991.— Koken, Neues Jahrb. Min. Geol. Pal., 1, 1898, p. 18^— Cumings, 32d Ann. Rep. Dep. Geol. Nat Res. Indiana, 1908, p. 952. — Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 637. Schizolopha moorei Ulrich. Schizolopha moorei Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 992, pi. 65, figs. 31-37.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 975, pi. 41, figs. 7, 7c.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 637, fig. 865. Maysville: Cincinnati, Ohio, and vicinity. Richmond: Richmond, Indiana; Oxford, etc., Ohio. Cotypes.—Cat. Nos. 45992, 45993, U.S.N.M. Schizolopha(?) prosseri Kindle and Breger. Schizolopha(?) prosseri Kindle and Breger, 28th Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 467, pi. 12, fig. 3. Niagaran: Delphi, Indiana. 1146 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schizolopha textilis Ulrich. Schizolopha textilis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 992, pi. 65, fig. 30. Murchisonia textilis Miller, N. A. Geol. Pal., 2d App., 1897, p. 768 (gen. ref.). Trenton (Catheys): Nashville, Tennessee. Holotype.—Csit. No. 45992, U.S.N.M. SCHIZONEMA Foerste. See Orthostrophia subgenus Schizoramma Foreste. SCHIZOPHORIA King. Genotype: Orthis resupinata (Martin). Schizophoria King, Mon. Permian Fossils, Pal. Soc., 1850, p. 106.— Hall, Bull. Geol. Soc. Amer., 1, 1889, p. 21.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 211; llth Ann. Rep. New York State Geol., 1894, p. 272.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 383. Schizophoria senecta Hall and Clarke. Orthis (Schizophoria) senecta Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 343, pi. 6A, figs. 23, 24; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 342, pi. 4, figs. 22, 23; 14th Rep. State Geol. New York for 1894, 1897, p. 342, pi. 4, figs. 22, 23. Clinton: Reynales Basin, Niagara County, New York. SCHIZORAMMA Foerste. See Orthostrophia subgenus Schizoramma. SCHIZOSTOMA COMPLANATUM Clarke and Ruedemann. See Ophileta complanata. SCHIZOSTOMA LEVATUM Clarke and Ruedemann. See Ophileta levata. SCHIZOTRETA Kutorga. Genotype: S. elliptica Kutorga. Schizotreta Kutorga, Verhand. Kais. Min. Gessel. zu St. Petersburg, 7, 1848, p. 273.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 135, 169.— Winchell- and Schuchert, Geol. Minnesota, 3, 1893, p. 365.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 257.— Miller, N. A. Geol. Pal., Sec. App., 1897, p. 763.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 205. Schizotreta conica (Dwight). Orbiculoidea conica Dwight, Amer. Jour. Sci., 3d ser., 19, 1880, p. 452, pi. 21, figs* 1-11; Proc. Poughkeepsie Soc. Nat. Sci., 1880, p. 19. Schizotreta conica Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 126, 135, pi. 4E, figs. 6-8; pi. 4F, fig. 7. Trenton: Near Newburg, New York. Schizotreta- minutula Winchell and Schuchert. Schizotreta minutula Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 366, fig. 28. Crania minutula Miller, N. A. Geol. Pal., 2d App., 1897, p. 760 (gen. ref.). Richmond (Maquoketa): Near Granger, Minnesota. Schizotreta ovalis Hall and Clarke. Orbiculoidea (Schizotreta) ovalis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 177, pi. 4E, figs. 4, 5; 48th Rep. New York State Mus., 2, 1895, p. 332, pi. 2, figs. 12, 13; 14th Rep. New York State Geol. for 1894, 1897, p. 332, pi 2, figs. 12, 13. Trenton: Middleville, New York. Schizotreta papilliformis Ruedemann. Schizotreta papilliformis Ruedemann, Bull. New York State Mus., 42, 1901, p. 570, pi. 1, figs. 3-5. Chazyan (Normanskill): Mount Moreno, near Hudson, New York. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1147 Schlzotreta pelopea (Billings). Discina Pelopea Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 52, fig. 56 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 124. Discina concordensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 328, pi. 4, figs. 13, 14. Schizotreta pelopea, Winchell and Schuchert, Geol. Minnesota, 3; 1893, p. 365, pi. 29, figs. 26-28.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p: 205, fig. 241a-b. Trenton: Montreal, etc., Canada; Minnesota; Iowa; Wisconsin. ?Richmond (Maquoketa) : Spring Valley, Minnesota. Schizotreta tenuilamellata (Hall). Orbicula tenuilamellata Hall, Pal. New York, 2, 1852, p. 250, pi. 53, fig. 3. Discina forbesi Nicholson (not Davidson), Pal. Prov. Ontario, 1875, p. 62. Discina solitaria Ringueberg, Amer. Nat., 1882, p. 175, figs. a-e. Discina clara Spencer, Bull. Univ. State Missouri, 1, 1884, p. 56; Trans. St. Louis Acad. Sci., 4, 1886, p. 606, pi. 8, fig. 5. Schizotreta tenuilamellata Beecher, Amer. Jour. Sci., 3d ser., 41, 1891, p. 357, pi. 17, fig. 11.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 205. Orbiculoidea (Schizotreta?) tenuilamellata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 127, 135, pi. 4E, figs. 9-11; pi. 4F, figs. 2-6. Niagaran: Lockport, New York (Lockport); Hamilton, Ontario (Rochester); Arisaig, Nova Scotia (Arisaig). SCHMIDTELLA Ulrich. Genotype: S. crassimarginata Ulrich. Schmidtella Ulrich, Amer. Geol., 10, 1892, p. 269.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 711.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 639.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 343. Schmidtella afflnis Ulrich. Schmidtella affinis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 641, pi. 43, figs. 45-47. Trenton (Prosser): Near Cannon Falls, Minnesota. Coupes.— Cat. No. 41296, U.S.N.M. Schmidtella brevis Ulrich. Schmidtella brevis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 642, pi. 45, figs. 34, 35. Black River (Decorah): Near Fountain, Minnesota. Holotype.—Cat. No. 41299, U.S.N.M. Schmidtella crassimarginata Ulrich. Schmidtella crassimarginata Ulrich, Amer. Geol., 10, 1892, p. 269, pi. 9, figs. 27-30.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 711, fig. 1265.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 640, pi. 43, figs. 42-44.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 343, figs. 1656o-q.— Raymond, Ann. Carnegie Mus., 7, 1911, p. 256, fig. 27. Black River (Platteville) : Mineral Point, Wisconsin; Dixon, Illinois. Chazyan (Valcour) : Valcour Island, New York. Holotype.—C&t. No. 41295, U.S.N.M. Schmidtella crassimarginata ventrilabiata Ruedemann. Schmidtella crassimarginata var. ventrilabiata Ruedemann, Bull. New York State Mus., 49, 1901, p. 75, pi. 7, figs. 12-18. Mohawkian (Rysedorph) : Rysedorph Hill, Rensselaer County, New York. 84243°— Bull. 92— vol 2—15 28 1148 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schmidtella Incompta Ulrich. Schmidtella incompta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 642, pi. 45, figs. 27, 32-33. Black River (Decorah) : Fountain, Minnesota. Cotypes.—C&t. No. 41298, U.S.N.M. Schmidtella incompta subaequalis Ulrich. Schmidtella incompta subsequalis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 642, pi. 43, figs. 39-41. Trenton (Prosser) : Near Cannon Falls, Minnesota. Holotype.—Csit. No. 41297, U.S.N.M. Schmidtella sublenticularis (Jones). Polycope sublenticularis Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 550, pi. 21, figs. 6a, b. Richmond (English Head and Charleton) : English Head, Anticosti. Schmidtella subrotunda Ulrich. Schmidtella subrotunda Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 643, pi. 45, figs. 39-42. Black River (Decorah) : Minneapolis, Minnesota. Cotypes.—C&t. No. 41300, U.S.N.M. Schmidtella umbonata Ulrich. Schmidtella umbonata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 641, pi. 45, figs. 36-38.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 343, figs. 1656r-t. Black River (Decorah) : St. Paul and Cannon Falls, Minnesota. Cotypes.—C&t. No. 41301, U.S.N.M. SCHMIDTIA Zittel. See Dicellomus Hall. SCHR05DEROCERAS Hyatt. Genotype: Lituites angulatum Saeman. Schroederoceras Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 458.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 777.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 475.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 70. Schroederoceras cassinense (Whitfield). Lituites eatoni var. cassinensis Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 332, pi. 32, fig. 2.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 54. %. 2. Schrcederoceras cassinense Hyatt, Amer. Phil. Soc. Proc., 32, 1894, p. 473, pi. 6, figs. 36-38; pi. 7, figs. 4-6.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 476, pi. 20, figs. 1, 2, figs. 35-36. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 71. Canadian (Beekmantown) : Fort Cassin, Vermont; Valcour-, New York. Plesiotypes.—Czt. No. 25661, U.S.N.M. (Hyatt). Schroederoceras eatoni (Whitfield). Lituites eatoni Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 331, pi. 28, figs. 5-7; pi. 32, fig. 1.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 54. Discoceras eatoni Schroder, Pal. Abhandl. von Dames and Kayser, neue folge, 1, 5, Heft 4, Jena, 1891, p. 22. Schrcederoceras eatoni Hyatt, Amer. Phil. Soc. Proc., 32, 1894, p. 470, pi. 6, figs. 28-35; pi. 7, figs. 7-8.— Ruedemann, Bull. New York State Mus., 90, 1906, pp. 453, 476, pi. 20, figs. 3-4; pi. 23, fig. 1.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 70, figs. 1280, 1281. Canadian (Beekmantown): Fort Cassin, Vermont; Valcour, New York. Plesiotypes.—C&t. No. 25660, U.S.N.M. (Hyatt). BIBLIOGRAPHIC LIST OF GENERA. AND SPECIES. 1149 Scliroederoceras palinurus (Billings). Lituites Palinurus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 25 (adv. sheets, 1862). Schrcederoceras palinurus Miller, N. A. Geol. Pal., 2d App., 1897, p. 778 (gen. ref.). Canadian (Romaine) : Mingan Islands, Quebec. SCHUCHERTELLA Girty. Genotype: Streptorhynchus lens White. Schuchertella Girty, Proc. U. S. Nat. Mus., 27, 1904, p. 734.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 228.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 386. Orthothetes Hall and Clarke, and other American authors. Streptorhynchus (part) Hall, Nettelroth, and other authors. Schuchertella alterniradiata (Shaler). Strophomena alterniradiata Shaler, Bull. Mus. Comp. Zool., 4, 1865, p. 63. Anticostian (Gun River) : Southwest Point, Anticosti. Schuchertella amherstburgensis Grabau. Schuchertella amherstburgensis Grabau, Michigan Geo^. Surv., Geol. Ser., 1, 1909, p. 124, pi. 17, figs. 1-3. Upper Monroan (Amherstburg) : Detroit River bed, Amherstburg, Ontario. Schuchertella conferta Foerste. Schuchertella confertus Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 23 pi. 2, fig. 13A, B. Clinton (West Union) : Near Martins, Lewis County, Kentucky. Schuchertella curvistrlata Savage. Schuchertella curvistriata Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 112, pi. 7, fig. 6. Upper Medinan (Channahon): Will County, Illinois. Schuchertella deckerensis (Weller). Orthothetes deckerensis Weller, Geol. Surv. New Jersey, Pal., 3, 1903, pp. 229, 230, pi. 20, figs. 6, 7. Schuchertella deckerensis Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 329, pi. 60, figs. 13-16. Helderbergian: Two miles south of Tristates, New York (Decker Ferry); Keyser, West Virginia; Cumberland, Cash Valley, etc., Maryland (Keyser). Schuchertella deformis (Hall). Orthis deformis Hall, 10th Rep. New York State Cab. Nat. Hist., 1857, p. 44; Pal. New York, 3, 1859, p. 174, pi. lOa, fig. 13; pi. 15, fig. 3. Orthothetes deformis Schuchert, Bull. U. S. Geol. Surv., No. 87, 1897, pp. 296-297. Schuchertella deformis Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 331, pi. 61, figs. 1, 2. Helderbergian: Albany County, New York (New Scotland); Devils Backbone and Cash Valley, Maryland (Keyser). Schuchertella hydraulica (Whitfield). Streptorhynchus hydraulicum Whitfield, Annals New York Acad. Sci., 2, 1882, p. 193; ibid., 5, 1891, p. 508, pi. 5, figs. 1-3; Geol. Ohio, 7, 1895, p. 410, pi. 1, figs. 1-3.— Sherzer, Geol. Surv. Michigan, 7, pt. 1, 1900, pi. 17, figs. 1-3. Orthothetes hydraulicus Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 297. Schuchertella hydraulica Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 120, pi. 17, fig. 7; pi. 30, figs. 1-3. Monroan: Ballville and Greenfield, Ohio (Greenfield); Salt shaft, Detroit, Mich- igan (Raisin River). 1150 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schuchertella interstriata (Hall). Orthis interstriata Hall, Pal. New York, 2, 1852, p. 320, pi. 74, figs. 1, 2. Orthothetes interstriatus Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 297.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 229, pi. 20, figs. 8, 9.— Schu- chert, Amer. Geol., 31, 1903, p. 165.— Grabau, Bull. New York State Mus., 92, 1906, p. 109, fig. 8. Schuchertella intcratriata Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 228, fig. 277.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 121, pi. 17, figs. 4, 5; pi. 32, figs. la-c. Orthothetes hydraulicus Grabau (not Whitfield), Bull. Geol. Soc. Amer., 2, 1900, p. 365, pi. 22, figs, la-c; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 184, fig. 92; Bull. New York State Mus., 45, 1901, p. 184, fig. 92. Cayugan: Schoharie Valley, etc. (Rondoutand Coblesldll), Buffalo, etc. (Akron), New York. Helderbergian (Decker Ferry) : Two miles south of Tristates, New York, etc. Upper Monroan (Lucas) : Northern Ohio and Ontario. Schuchertella interstriata sinuata Holtedahl. Schuchertella interstriata sinuata Holtedahl, 2d Arct. Exp. "Fram," 1898-1902, No. 32, 1914, p. 20, pi. 7, fig. 6. Helderbergian (Lower beds): Reindeer Valley, Southwestern Ellesmereland, Arctic America. Schuchertella marylaiidica Maynard. Schuchertella marylandica Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 333, pi. 61, figs. 5-9. Helderbergian (Keyser): Cumberland, Maryland; Keyser, West Virginia. Schuchertella missouriensis (Shumard). Orthis missouriensis Shumard, Geol. Rep. Missouri, 1855, p. 205, pi. C, fig. 9. — Keyes, Geol. Surv. Missouri, 5, 1895, p. 60. Schuchertella missouriensis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 48, pi. 1; figs. 12 and 13, p. 74. Upper Medinan: Cape Girardeau, Missouri; Alexander County, Illinois (Girar- deau); near Louisiana, Missouri (Edgewood). Schuchertella missouriensis convexa Savage. Schuchertella missouriensis var. convexa Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 74, pi. 4, fig. 2. Upper Medinan (Edgewood — Noix): Louisiana, and near Buffalo Creek, Pike County, Missouri; near Hamburg, Illinois. Schuchertella pec ten (Roemer). Strophomena pecten Roemer, Die Sil. Fauna West. Tennessee, 1860, p. 67, pi. 5, fig. 4.— Billings, Geol. Canada, 1863, p. 311, fig. 3] 5; Cat. Sil. Fossils of Anti- costi, 1866, p. 40.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1130, figs. Schuchertella pecten Schuchert and Twenhofel, Bull. Geol. Soc. Amer., 21, 1910, p. 702. Niagaran (Brownsport) : Decatur County, Tennessee. Richmond — Anticostian: Island of Anticosti. Schuchertella proliflca Schuchert and Maynard. Schuchertella prolifica Schuchert and Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 327, pi. 60, figs. 1-3. Helderbergian (Keyser): Keyser, West Virginia; Dawson, Devils Backbone, Corriganville, and Tonoloway, Maryland. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1151 Schuchertella propinqua (Meek and Worthen). Hemipronites subplanus? Meek and Worthen, Illinois, Geol. Surv., 3, 1868, p. 349. Hemipronites propinqims Meek and Worthen, Illinois Geol. Surv., 3, 1868, p. 351. Schuchertella propinqua Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 73, pi. 4, fig. 1. Upper Medinan (Edgewood): Alexander County, Illinois; Pike County, Missouri. Schuchertella roemeri (Foerste). Orthothetes roemeri Foerste, Jour. Geol., 11, 1903, p. 711. Schuchertella roemeri Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 82, pi. 2, fig. 27A-C. Niagaran (Brownsport) : Near Dixon Spring and Pegram, Tennessee. Schuchertella sinuata (Hall and Clarke). Orthothetes deformis var. sinuatus Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 20, figs. 8 and 9. Schuchertella sinuata Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 331, pi. 61, figs. 3, 4. Helderbergian (Keyser): Devil's Backbone, near Cumberland, Maryland. Schuchertella subplana (Conrad). Strophomena subplana Conrad, Jour. Acad. Nat. Sci., Philadelphia, 8, 1842, p. 258.— Hall, Geol. New York, Rep. 4th Dist, 1843, p. 104, fig. 1; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 82.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 312, fig. Lepteena subplana Hall, Pal. New York, 2, 1852, p. 259, pi. 53, figs. 8-10.— Billings, Canadian Nat. Geol., 1, 1856, p. 138, pi. 2, figs. 16, 17. Streptorhynchus (Strophodonta) subplanus Hall, Geol. Survey Wisconsin, 1, 1862, p. 436. Streptorhynchus subplanus Hall, Trans. Albany Institute, 4, 1863, p. 226; 16th Rep. New York State Cab. Nat. Hist., 1863, p. 63, figs. 1, 2; 28th Rep. New York State Mus. Nat. Hist., 1879, p. 151, pi. 21, figs. 26-33; llth Rep. State Geol. Indiana, 1882, p. 288, pi. 21, figs. 26-33; 2d Ann. Rep. New York State Geol., 1883, pi. 39, figs. 21-24; pi. 42, fig. 19.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 141, pi. 29, figs. 11, 12.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 23, pi. 2, figs. 14-20.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1097, figs. Streptorhynchus hemiaster Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 93, pi. 2, fig. 10.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 392. Orthothetes subplana Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 255, pi. 9, figs. 21-24; pi. 9A, fig. 19; pi. 11A, figs. 9-12. Orthothetes subplanus Grabau, Bull. New York State Mus., 45, 1901, p. 184, fig. 91; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 184, fig. 91.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 432, pi. 1, fig. 5. Schuchertella subplana Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 228, fig. 276. Niagaran: Lockport, etc., New York (Rochester); Ontario; Indiana; Kentucky; Tennessee; Illinois; Missouri; Nova Scotia; Anticosti, etc. Plesiotype—G&t. No. 51313 (Nettelroth). Schuchertella tenuis (Hall). Streptorhynchus tenuis Hall, Trans. Albany Inst., 4, 1863, p. 210; 28th Rep. New York State Mus. Nat. Hist., 1879, p. 150, pi. 23, figs. 11-13; llth Rep. State Geol. Indiana, 1882, p. 287, pi. 23, figs. 11-13.— Foerste, Bull. Sci. Lab. 1152 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schuchertella tenuis — Continued. Denison Univ., 2, 1887, p. 105, pi. 8, figs. 31, 32, 38.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 142.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1098, figs. Orthothetes tenuis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 255. Strophomena (Orthothetes) tenuis Foerste, Geol. Ohio, 7, 1895, p. 568, pi. 27, figs. 31, 32, 38. Niagaran: Waldron, Indiana (Waldron); Near Louisville, Kentucky (Louisville). Upper Medinan (Brassfield): Dayton, Ohio; Hanover, Indiana. Ple*iotype.—Gxt. No. 51329, U.S.N.M. (Nettelroth). SCHUCHERTIA Gregory. Genotype: Palasterina stellata Billings. Schuchertia Gregory, Geol. Mag., dec. 4, 6, 1899, p. 351.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 195. Trentonaster Sturtz, Verh. naturh. Ver. preuss. Rheinl., etc., 56, 1899, p. 224. (Genotype: Palasterina stellata Billings.) Palasterina Billings (part) (not McCoy) Geol. Surv. Canada, dec. 3, 1858, p. 76. Schuchertia laxata Schuchert. Schuchertia laxata Schuchert, in Freeh, Cat. Foss., 1, Anim., pt. 3, 1914, p. 38 (nom. nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 198, pi. 32, fig. 3; pi. 33, figs. 2, 3. Richmond (Waynesville) : Near Waynesville, Hamilton, and Oxford, Ohio. Schuchertia ordinaria Schuchert. Schuchertia ordinaria Schuchert, in Freeh, Foss. Cat.. 1, Anim., pt. 3, 1914, p. 38 (nom nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 199. Upper Medinan (Girardeau) : Alexander County, Illinois. Schuchertia stellata (Billings). Palasterina stellata Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 290; Geol. Surv. Canada, dec. 3, 1858, p. 76, pi. 9, figs, la, lb.— Wright, Mon. Brit. Foss. Echinod., Oolitic, 2, pt. 1, Pal. Soc., 1862, p. 27, fig. lb on p. 26. — Chapman, Canadian Jour., n. s., 6, 1861, p. 517. — Quenstedt, Petre- factenkunde Deutschlands, 1, 4, 1876, p. 74, pi. 92, fig. 34. Trentonaster stellata Sturtz, Verh. naturh. Verh. preuss. Rheinl., etc., 1899, p. 225. Schuchertia stellata Gregory, Geol. Mag., dec. 4, 6, 1899, p. 351.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 196, pi. 32, fig. 2; pi. 33, fig. 1. Trenton: Ottawa, Ontario. SCOFIELDIA Ulrich and Bassler. Genotype: Drepanella bilateralis Ulrich. Scofieldia Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 314.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 356. Scofleldia bilateralis (Ulrich). Drepanella bilateralis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 671, pi. 46, figs. 35-38. ' Scofieldia bilateralis Uhlch and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 314, pi. 41, figs. 16-18.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 356, fig. 1664d-f. Black River (Decorah): St. Paul and near Cannon Falls, Minnesota .— Cat. No. 41558, U.S.N.M. SCOLECOLITHUS Roemer. See Scolithus Haldeman. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1153 SCOLITHUS Haldemann. Genotype: Fucoides? linearis Haldemann. Scolithus Haldemann, Supp. Mon. Limniades, 1840, p. 3.— Hall, Pal. New York, 1, 1847, p. 2.— Hitchcock, Geol. Vermont, 1, 1861, p. 356.— Nathorst, Kongl. Sven. Vet.-Acad. Handl., 18, 1881, p. 49,— Barrois, Rech. Terr. Anciens Asturies Galice (Mem. Soc. Geol. Nord, 2), 1882, p. 177.— Whiteaves, Trans. Royal Soc. Canada, 1, sec. 4, 1883, p. 109.— Ami, Canadian Rec. Sci., 2, 1886, p. 304.— Lebesconte, Bull. Soc. Geol. France, 3d ser., 14, 1886, p. 793.— Miller, N. A. Geol. Pal., 1889, p. 520.— Wanner, Amer. Geol., 5, 1890, p. 35.— Dawson, Quart. Jour. Geol. Soc. London, 46, 1890, p. 603, figs. 7, 8.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 32. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 246. Scolecolithus Roemer, Neues Jahrb. f. Min., etc., 1848, p. 171. Scolithus canadensis Billings. Scolithus Canadensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 96 (adv. sheets, 1862); Geol. Surv. Canada, p. 101, fig. 7.— Miller, N. A. Geol. Pal., p. 521, fig. 943.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 943, fig.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 37, fig. 8. Upper Cambrian or Ozarkian (Potsdam): Township of Landsdowne, Bastard, etc., Canada; Snake Mountain, Vermont. SCOLITHUS CLINTONENSIS James. See Scolithus verticalis. Scolithus delicatulus James. Scolithus delicatulus James, The Paleontologist, No. 5, 1881, p. 33.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, pp. 40, 41, fig. 15. Richmond: Dearborn County, Indiana. Scolithus dispar James. Scolithus linearis James, Paleontologist, No. 5, 1881, p. 33 (S. dispar proposed in case distinct). Eophyton (Scolithus) dispar, J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 41, fig. 14. Eden (Economy): Cincinnati, Ohio, and vicinity. Scolithus linearis (Haldemann). Fucoides? linearis Haldemann, Supp. Monograph Limniades, 1840, p. 3. Scolithus linearis Hall, Pal. New York, 1, 1847, p. 2, pi. 1, figs, la-lc.— Billings, Canadian Nat. Geol., 1, 1856, p. 32.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 616, fig. 589.— Mackie, The Geologist, 2, 1859, p. 388, fig. 5.— Chap- man, Canadian Jour., 6, 1861, p. 503, fig. 65.— Hitchcock, Geol. Vermont, 1, 1861, p. 356, fig. 254.— Billings, Geol. Vermont, 2, 1861, p. 943; Rep. Econ. Geol., etc., Vermont, 1862, p. 215.— Winchell, Amer. Jour. Sci. Arts, 2d ser., 37, 1864, p. 227.— Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 2 (adv. sheets, 1861).— Torell, Lunds Univers. Arsskrift, 6, No. 8, 1869, p. 12 (loc. occ.).— Roemer, Leth. geog. 1, Leth. Pal., Atlas, 1876, pi. 2, fig. 11.— Nathorst, Kongl. Sven. Vet.-Akad. Handl., 18, No. 7, 1881, pp. 50, 100.— Barrois, Rech. Terr. Anciens Asturies Galice (Mem. Soc. Geol. Nord, 2), 1882, p. 177, pi. 4, fig. 4; pi. 5, figs. 1-3.— Walcott, 10th Ann. Rep. U. S. Geol. Surv., 1890, p. 31. 603, pi. 63, figs. 1, la-c.— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1890, p. 944, fig.— J. F. James, BuU. Geol. Soc. Amer., 3, 1892, p. 34, figs. 3, 4; p. 36, fig. 6; p. 35. Scolithus cf. linearis Grabau, Occ. Papers Boston Soc. Nat. Hist., 4, 1900, p. 614. Scolecolithus linearis Goeppert, Zeits. d. d. geol. Gesell., 3, 1851, p. 189. Arenicolithes (Scolithus) linearis Salter, Quart. Jour. Geol. Soc. London, 13, 1857, p. 205. 1154 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Scolithus linearis — Continued. Arenicolites (linearis?) Salter, Mem. Geol. Surv. Great Britain, 3, 1866, p. 292, pi. lib, fig. 27; ibid., 2d ed., 1881, p. 484, pi. lib, fig. 27. Cambrian and ?Lo\ver Ordovician: Pennsylvania, New York, Virginia, Wiscon- sin, Canada, etc. SCOLITHUS LINEARIS James. See Scolithus dispar. Scolithus mlnnesotensis James. Arenicolites sp. Winchell, Geol. Minnesota, 1, 1884, pp. 656, 657. Scolithus minnesotense J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 41; Jour. Cincinnati Soc. Nat. Hist., 17, 1895, p. 134. St. Peter: Rice County, Minnesota. Scolithus minutus Brainerd and Seely. Scolithus minutus (Wing) Brainerd and Seely, Bull. Geol. Soc. Amer., 1, 1890, p. 504.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 38, figs. 9, 10. Canadian (Beekmantown): Vermont. Scolithus tuberosus Miller and Dyer. Scolithus tuberosus Miller and Dyer, Cont. to Pal., No. 2, 1878, p. 5, pi. 4, fig. 4.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 39, fig. 11. Maysville (Mount Hope) : Cincinnati, Ohio, and vicinity. Scolithus verticalis Hall. Fucoides verticalis Hall, Geol. New York, Rep. 4th Dist., 1843, p. 242. . Scolithus verticalis Hall, Pal. New York, 2, 1852, p. 6, pi. 2, fig. 3.— Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 138. — Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 40, fig. 16.— J. F. James, Bull. Geol. Soc. Amer., 3, 1892, p. 34.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 8, fig. 3. Scolithus clintonensis James, Bull. Geol. Soc. Amer., 3, 1892, p. 33, footnote, p. 35, fig. 5. Upper Medinan: Monroe County, New York, etc. SCOLITHUS WOODI Whitfield. See Arenicolites woodi. SCYPHIA DIGITATA Owen. See Brachiospongia digitata. Scyphia stellata Troost. Not recognized. Scyphia stellata Troost, 5th Geol. Rep. Tennessee, 1840, p. 74. Silurian: Perry County, Tennessee. SCYPHOCRINUS Hall. See Cupulocrinus D'Orbigny. SCYPHOCRINUS HETEROCOSTALIS Hall. See Cupulocrinus heterocostalis. SCYPHOCRINUS NODOSUS D'Orbigny. See Schizocrinus nodosus. SCYPHOCRINUS STRIATUS D'Orbigny. See Schizocrinus striatus. SEDGWICKIA McCoy. Genotype: S. attenuata McCoy. Sedgwickia McCoy, Syn. Char. Carb. Foss. Ireland, 1844, p. 61.— Woodward, Man. Mollusca, pt. 2, 1854, p. 322.— Meek and Hayden, Pal. Up. Missouri, Smiths. Contr. Knowl., 172, 14, 1865, p.38.— Zittel, Handb. Pal., 2, 1881, p. 129.— Miller, N. A. Geol. Pal., 1889, p. 511.— Hind, Mon. British Carb. Lamelli- branchiata, 1, Pal. Soc., 1899, p. 277. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 984. SEDGWICKIA Whitfield. See Rhytimya Ulrich. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1155 Sedgwickia? compressa Meek. Sedgwickia? compressa Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 324; Geol. Surv. Ohio Pal., 1, 1873, p. 144, pi. 12, figs. 7a, b.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 219. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 946, figs. Maysville (Fairmount): Cincinnati, Ohio. Sedgwickia? divaricata Hall and Whitfield. Not recognized. Sedgwickia? divaricata Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 89, pi. 2, fig. 3.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 946, fig — Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 280. Richmond: Blanchester, Ohio. Observation. — Based on a greatly compressed shell, probably a young specimen of Whiteavesia pholodiformis. Sedgwickia? fragilis Meek. Sedgwickia? fragilis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 323; Geol. Surv. Ohio Pal., 1, 1873, p. 143, pi. 12, figs. 3a, b.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 219. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 946, fig.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1020, pi. 48, figs. 4, 4a. Maysville: Cincinnati, Ohio. Observation. — Founded on greatly compressed specimen. SEDGWICKIA(?) LUNULATA Whitfield. See Rhytimya lunulata. SEDGWICKIA (GRAMMYSIA?) NEGLECTA Meek. See Cuneamya neglecta. SEELYA Ulrich. Genotype: S. ventricosa Ulrich. Pleurotomaria (part) of authors. Seelya Ulrich, Geol. Minnesota, 3, pt. 2, 1897, pp. 958, 1011. Seelya cassandra (Billings). Murchisonia Cassandra Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 189 fig. 171. Seelya cassandra Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1011 (gen. ref.). Ozarkian? ( Le vis-erratics) : Point Levis, Quebec. Seelya difflcilis (Whitfield). Pleurotomaria dinicilis Whitfield, Bull. Amer. Mus. Nat. Hist., 3, 1890, p. 33, pi. 1, figs. 17, 18.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 57, fig. 8. Canadian (Beekmantown) : Fort Cassin, Vermont. Plesiotypes.—C&t. No. 28136, U.S.N.M. (Ulrich). Seelya mundula Ulrich. Seelya mundula Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1012, pi. 70, figs. 11-12. Maysville (Fairmount) : Cincinnati, Ohio, and vicinity. Cotypes.—C&t. No. 45995, U.S.N.M. Seely a(?) (Plethospira?) ulrichi Schuchert. Seelya(?) (Plethospira?) ulrichi Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 166, pi. 12, figs. 9, 10. Mohawkian: Head of Frobisher Bay, Baffin Land. Cotypes.—Czt. No. 28187, U.S.N.M. Seelya ventricosa Ulrich. Seelya ventricosa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1009, figs. 7b-d. Pleurotomaria ventricosa Miller, N. A. Geol. Pal., 2d App., 1897, p. 769. Canadian (Beekmantown): Fort Cassin, Vermont. Holotype.—Csit. No. 45996, U.S.N.M. 1156 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SELENOIDES Owen. See Ischadites Murchison. SEMICOSCINIUM Prout. Genotype: S. rhomboideum Prout. Semicoscinium Prout, Trans. St. Louis Acad. Sci., 1, 1859, p. 443.- — Ulrich, Contr. Amer. Pal., 1, 1886, p. 4.— Miller, N. A. Geol. Pal., 1889, p. 322.— Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 395, 555.— Simpson, 13th Ann. Rep. New York State Geol., for 1893, 1895, p. 705; 47th Ann. Rep. New York State Mus., p. 899.— Ulrich, Zittel'sTextb. Pal. (Engl. ed), 1896, p. 281.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 509.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, pp. 38, 400.— Grabau, Bull. New York State Mus., 45, 1901, p. 171; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 171.— Bassler, Bull. U. S. Geol. Surv. 292, 1906, p. 51.— Hennig, Archiv. fur Zool., k. Sven. Vat.-Akad. Stockholm, 3, No. 10, 1906, p. 7.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 143.— Bassler, Zittel- Eastman Textb. Pal., 1913, p. 341. Cryptopora Nicholson, Canadian Jour., n. s., 14, 1874, p. 131; Ann. Mag. Nat. Hist., 4th ser., 13, 1874, p. 77; Pal. Province Ontario, 1874, p. 102.— Vine, Rep. 51st Meeting British Assoc. Adv. Sci., 1882, p. 169.— Hall, Rep. State Geol. New York for 1884, 1885, p. 40.— Ulrich, Contr. Amer. Pal., 1, 1886, p. 6. Carinopora Nicholson, Canadian Jour., n. s., 14, 1874, p. 132; Ann. Mag. Nat. Hist., 4th ser., 13, 1874, p. 81; Pal. Province Ontario, 1874, p. 109.— Zittel, Handb. Pal., 1, 1880, p. 602.— Vine, Rep. 51st Meeting British Asetoc. Adv. Sci., 1882, p. 169.— Hall, Rep. State Geol. New York for 1884, 1885, p. 38.— Ulrich, Contr. Amer. Pal., 1, 1886, p. 4. Cycloporina Simpson, 13th Ann. Rep. State Geol. New York for 1893, 1895, pp. 711, 725; 47th Ann. Rep. New York State Mus., 1895, pp. 905, 919; 14th Ann. Rep. State Geol. New York for 1894, 1897, pp. 504, 520. Semicoscinium acmeum (Hall). Fenestella acmea Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 12, figs. 10-13, 14 (sp.?); ibid., mus. ed., 1879, p. 124, pi. 12, figs. 10-14; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 250, pi. 11, figs. 10-14.— Cum- ings, Amer. Jour. Sci., 20, 1905, pi. 7, fig. 52. Semicoscinium acmea Ulrich, Geol. Surv. Illinois, 8, 1890, p. 355. Niagaran (Waldron) : Waldron, Indiana. Semicoscinium planum Ulrich and Bassler. Semicoscinium planum Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 285, pi. 45, fig. 7; pi. 49, fig. 4. Helderbergian (Keyser): Hyndman, Pennsylvania. Holotype.—C&t. No. 60743, U.S.N.M. Semicoscinium tenuiceps (Hall). Fenestella prisca(?) (not of Lonsdale nor of Goldfuss) Hall, Pal. New York, 2, 1852, p. 50, pi. 19, figs. 4a-m. Fenestella tenuiceps Hall, Pal. New York, 2, 1852, p. 165, pi. 40D, figs. 2a-b. Semicoscinium tenuiceps Ulrich, Geol. Surv. Illinois, 8, 1890, p. 355. — Grabau, Bull. New York State Mus., 45, 1901, p. 171, figs. 71, 72; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 171, figs. 71, 72.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 52, pi. 19, figs. 6, 7.— Grabau and Shimer, N. A. Index Fossils, 1 1907, p. 143, fig. 200. Clinton: Lockport, Rochester, Lewiston, and Niagara Falls, New York; Grimsby, Ontario (Rochester); Osgood, Indiana (Osgood). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1157 SEPTAMEROCERAS Hyatt. Genotype: Gomphoceras inflatum Billings. Septameroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 278.— Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 246.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 131. Observation. — As pointed out by Whiteaves (Pal. Fossils, Geol. Surv. Canada, 3, pt. 2, 1895, p. 102), Gomphoceras inflatum, the genotype of Septameroceras, is a manuscript name of Billings applied to a rough cast of the body chamber of a shell from the Silurian at L'Anse a la Barbe, near Port Daniel, Canada, with the aperture badly preserved. He remarks further that this shell is probably the same as Gomphoceras subgracilis or G. septore. As the latter is the best known species of this type of structure, it would be well to recognize it as the genotype of Septameroceras. Septameroceras septore (Hall). Gomphoceras septoris Hall, 20th Rep. New York State Cab. Nat. Hist, (extras, 1865), 1868, p. 350, figs. 9, 10; rev. ed. for 1868 (1870), p. 410, figs. 6, 7.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 102. Cyrtoceras septoris Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 151 (gen. ref.).— Whiteaves, Pal. Poss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 39 (loc. occ.). Septameroceras septoris Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 131, fig. 1379. Niagaran: Wauwatosa, Wisconsin (Racine?); Elora, Ontario (Guelph). SERPULITES Macleay. Genotype: S. longissimus Murchison. Serpulites Macleay in Murchison Sil. Syst., 1839, p. 700; Ann. Mag. Nat. Hist., 4, 1840, p. 387.— McCoy, British Pal. Rocks Foss., 1854, p. 132.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 569.— Salter, Cat. Camb. Sil. Foss., 1873, p. 176.— Etheridge, Geol. Mag., dec. 2, 7, 1880, p. 304.— Zittel, Handb. Pal., 1, 1880, p. 565.— Waagen, Mem. Geol. Surv. Indica, Pal. Indica, 13th ser., 1, 1885, p. 816.— Miller, N. A. Geol. Pal., 1889, p. 521.— Hinde, Zittel-Eastman Textb. Pal., 1, 1900, p. 253; 2d ed., 1913, p. 139. Serpulites dissolutus Billings. Serpulites dissolutus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 56 (adv. sheets, 1862).— Whiteaves, ibid., 3, pt. 3, 1897, pp. 160, 240. Black River — Richmond: Montreal, Ottawa, etc., Canada. Various localities in the United States. Serpulites longissiinus Murchison. Serpulites longissimus Murchison, Sil. Syst., 1839, p. 608, pi. 5, fig. 1. — Salter in Murchison's Siluria, 1867, 4th ed., pi. 16, fig. 1. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1, 1880, p. 303, pi. 20, figs. 12, 13.— Ami, Proc. and Trans. Nova Scotian Inst. Sci., 8, 1895, p. 411. Silurian: Great Britain, Antigonish County, Nova Scotia (Moydart). Serpulites splendens Billings. Serpulites splendena Billings, Canadian Nat. Geol., 4, 1859, p. 470. Chazyan (Aylmer): Island of Montreal and Caughnawaga, Canada. SHUMARDIA Billings. Genotype: S. granulosa Billings. Shumardia Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 92 (adv. sheets, 1862).— Miller, N. A. Geol. Pal., 1889, p. 566.— Zittel, Handb. Pal., 2, 1885, p. 593.— Vogdes, Bull. U. S. Geol. Surv., 63, 1890, p. 145; Cal. Acad. Sci., Occ. Pap., 4, 1893, pp. 355, 356.— Beecher, Amer. Jour. Sci., 4th ser., 3, 1897, p. 182.— Reed, Geol. Mag., dec. 4, 5, 1898, p. 503; Low Pal. Tril. Girvan Dist., 1903, p. 43.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 711. 1158 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Shumardia glacialis Billings. Shumardia glacialis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 283, fig. 270. Canadian (Quebec — P): Portland Creek and Pistolet Bay, Newfoundland. Shumardia granulosa Billings. Shumardia granulosa Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 92, fig. 83a, b (adv. sheets, 1862).— Miller, N. A. Geol. Pal., 1889, p. 566, fig. 1057. Canadian (Levis, Diplograptus dentatus zone): Point Levis, Quebec. Shumardia pusilla (Sars). Battus pusillus Sars, Okens Isis, 1835, p. 333, pi. 8, fig. 2. Conophrys pusilla Brogger, Die Sil. Etagen 2-3, 1882, p. 125, pi. 12, fig. 9 (cites bibliography).— Heed, Geol. Mag., dec. 4, 5, 1898, p. 501. Shumardia pusilla Moberg, Afh. Sveriges Geol. Unders., Ser. C, No. 109, 1890, p. 4, figs, a-c.— Freeh, Leth. geog., 1 Th., Leth. Pal., 2, 1 Lief., 1897, pi. Ib, fig. 13. Canadian: Europe; Point Levis, Quebec (Levis, Diplograptus dentatus zone) [Raymond]. SICYOCRINUS Angelin. See Botryocrinus Angelin. Sidemina Castelnau. Genotype: S. infundibuliforme Castelnau. Sidemina Castelnau, Essai Syst. Sil. 1'Amerique Septent., 1843, p. 33. Sidemina infundibuliforme Castelnau. Sidemina infundibuliforme Castelnau, Essai Syst. Sil. 1'Amerique Septent., 1843, p. 33, pi. 10, fig. 1. Silurian: Little Manitoulin Island, Lake Huron. Observation. — Not recognized. Probably fragment of an Endoceras. SIDEROCRINITES Troost. See Siderocrinus (Troost) Wood. SIDEROCRINUS (Troost) Wood. Genotype: S. ornatus Troost. Siderocrinites Troost. MS., 1850. Siderocrinus Wood.. Bull. LT. S. Nat. Mus., 64, 1909, p. 104. Siderocrinus ornatus (Troost) Wood. Siderocrinites ornatus Troost, MS., 1850. Siderocrinus ornatus Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 105, pi. 12, fig. 7. Niagaran (Brownsport) : Decatur County, Tennessee. Holotype.—Czt. No. 39935, TJ.S.N.M. SIEBERELLA (Ehlert. See Gypidula subgenus Sieberella CEhlert. SIQMACYSTIS Hudson. See Canadocystis Jaekel. SIGMAGRAPTUS Ruedemann. Genotype: S. precursor Ruedemann. Sigmagraptus Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 701, 702. Sigmagraptus precursor Ruedemann. Ccenograptid Ruedemann, New York State Pal., Ann. Rep., 1902, p. 566. Sigmagraptus precursor Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 702, 703, pi. 5, figs. 13, 14; fig. 93. Canadian (Deepkill, Didymograptus bifidus zone): Deepkill, Rensselaer County, New York. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1159 SINUITES Koken. Genotype: Bellerophon bilobatus Sowerby. Bellerophon (part) of numerous authors. Protowarthia Ulrich and Scofield, Minnesota Geol., 3, pt. 2, 1897, pp. 848-867.— Koken, Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 5.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 952.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 611. (Genotype: Bellerophon cancellatus Hall.) Sinuites Koken, Die Leitfossilien, Leipzig, 1896, p. 392, footnote; Bull. Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 117.— Dall, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 521. Sinuites cancellatus (Hall). Bellerophon bilobatus Emmons (not Sowerby), Geol. New York., 2, 1842, p. 392, fig. 6. — Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 84, pi. 17, fig. 15; Amer. Jour. Sci. Arts, 47, 1844, p. 365, fig. 6; ibid., 48, 1845, p. 300, fig. 7.— Hall, Pal. New York, 1, 1847, p. 184, pi. 40, figs. 3a-d.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 819, fig. 607.— Emmons, Man. Geol., 1860, p. 98, fig. 87.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 47, pi. 2, fig. 6.— Hitchcock, Geol. Vermont, 1, 1861, p. 297, fig. 206.— Hall, Rep. Geol. Surv. Wisconsin, 1862, p. 39, fig. 7.— Billings, Geol. Canada, Geof. Surv. Canada, 1863, p. 184, £g. 180a, b.; Cat. Sil. Foss., Anticosti, Geol. Surv. Canada, 1866, pp. 20, 56 (loc. occ.).— Miller, Cincin- nati Quart. Jour. Sci., 1, 1874, p. 306.— Kayser, Beitr. Geol. Pal. Argen- tin. Republik, Pal. Supp., 3, 1876, p. 25, pi. 5, figs. 6, 7.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 158, fig. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 81, figs.— Miller, N. A. Geol. Pal., 1899, p. 396, fig. 652.— Keyes, Missouri Geol. Surv., 5, 1894, p. 147, pi. 51, fig. 2.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 124 (loc. occ.). Cyrtolites bilobatus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 166, pi. 6, figs. 2, 3, 22, 24; pi. 17, fig. lOc. Bellerophon cancellatus Hall, Pal. New York, 1, 1847, p. 307, pi. 83, figs. 10a-c.— Emmons, Amer. Geology, pt. 2, 1855, p. 166. Protowarthia cancellata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 872, pi. 63, figs. 1-14.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 29.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 175, pi. 12, figs. 3-5.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 971, pi. 39, fig. 6, 6b.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 611, fig. 817g-i. Trenton — Richmond: New York, Canada, and throughout the middle United States, chiefly in the Trenton. Plesiotypes.—C&t. Nos. 45963-45967, U.S.N.M. (Ulrich and Scofield). Sinuites cancellatus acutus (Sowerby?) Hall. Bellerophon bilobatus var. acutus (Sowerby?) Hall, Pal. New York, 1, 1847, p. 185, pi. 40, figs. 4a-b; 5a-b. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, P. 82, fig. Cyrtolites acutus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 166, pi. 6, figs. 4, 5. Trenton: Middleville, Trenton Falls, etc., New York. Sinuites cancellatus corrugatus (Hall). Bellerophon bilobatus var. corrugatus Hall, Pal. New York, 1, 1847, p. 185, pi. 40, figs. 6a-b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 82, fig. Trenton: Middleville, Trenton Falls, etc., New York. Sinuites cancellatus trentonensis (Ulrich and Scofield). Bellerophon bilobatus (part) of authors. Protowarthia cancellata var. trentonensis Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p. 872. Trenton: Minnesota; Iowa; Ohio; etc. 1160 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Sinuites cassinensis (Whitfield). Belleroplion Casanensis Whitfield, Bull. Amer. Mus., Nat. Hist., 1, 1886, p. 318, pi. 26, figs. 8, 9.— Seely, Vermont State Geol., Kept. 7, 1910, pi. 61, fig. 14. Protowarthia cassinensia Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 848 (gen. ref.). Canadian (Beekmantown): FortCassin, Vermont. Sinuites concinna (Ulrich and Scofield). Protowartliia concinna Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 874, pi. 63, figs. 36-39. Richmond (Maquoketa) : Near Spring Valley, Minnesota. Holotype.—Czt. No. 45958, U.S.N.M. Sinuites globularis (Miller and Faber). Belleroplion globularis Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 1894, p. 28, pi. 1, figs. 21, 22. Eden: Cincinnati, Ohio. Observation. — Compare with S. granistriata Ulrich. Sinuites granistriatus (Ulrich). Protowartliia granistriata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 870, pi. 63, figs. 28-30. Eden (Southgate): Cincinnati, Ohio, and vicinity. Cotypes.— Cat. No. 45959, U.S.N.M. Sinuites rnorrowensis (Miller and Dyer). Belleroplion morrowensis Miller and Dyer, Cont. to Pal., No. 2, 1878, p. 8, pi. 3, fig. 6. Protowarthia? morrowensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 874 (gen. ref.). Richmond: Morrow, Ohio. Observation. — Not recognizable without a restudy of the type. Sinuites obesus (Ulrich). Protowarthia obesa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 874, pi. 63, figs. 45-47. Trenton (Hermitage): Burgin and Danville, Kentucky. Cotypes.— Cat. Nos. 45961, 45962, U.S.N.M. Sinuites pervolutus (Ulrich and Scofield). Protowarthia pervoluta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 871, pi. 63, figs. 21-27.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 164.— Grabau and Shimer, N. A. Index Fossils, ], 1909, p. 611, fig. 817d-f. Black River (Decorah) and Trenton (Curdsville, Hermitage): St. Paul, etc., Min- nesota; Curdsville, Kentucky; Baffin Land. Cotypes.— Cat. Nos. 45968-45970, U.S.N.M. Sinuites planodorsatus (Ulrich). Protowarthia planodorsata Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 871, pi. 63, figs. 31-35. Eden (Southgate): Covington, Kentucky. Cotypes.— Cat. No. 45960, U.S.N.M. Sinuites rectangularis (Ulrich and Scofield). Protowarthia rectangularis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 868, pi. 63, figs. 15-20.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 611, fig. 817a-c. BIBLIOGRAPHIC LIST OP GENERA AND SPECIES. 1161 Sinuites rectangularis— Continued. Black River (Platteville): Mineral Point, etc., Wisconsin; Dixon, Illinois; Min- neapolis, Cannon Falls, etc., Minnesota. Cotypes.—C&t. Nos. 45971, 45972, U.S.N.M. Sinuites rossi (Collie). Protowarthia rossi Collie, Bull. Geol. Soc. America, 14, 1903, p. 420, pi. 59, figs. 6,7. Canadian (Beeknaantown) : Belief onte, Pennsylvania. Sinuites subcompressus (Ulrich). Protowarthia subcompressa Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 873, pi. 63, figs. 40-44. — Cumings, 32d Ann. Rep. Dep. Geol. and Nat. Res. Indiana, 1908, p. 972, pi. 39, figs. 5-5b. Richmond (Waynesville) : Versailles, Indiana; Butler County, Ohio. Cotypes.—CsA. Nos. 45973, 45974, U.S.N.M. Sinuites tenuissimus (Collie). Protowarthia tenuissima Collie, Bull. Geol. Soc. America, 14, 1903, p. 420, pi. 59, figs. 10, 11. Trenton: Belief onte, Pennsylvania. SINUOPEA Ulrich. Genotype: Holopea sweeti Whitfield. Sinuopea Ulrich, Bull. Geol. Soc. Amer., 22, 1911, p. 630. Sinuopea obesa (Whitfield). Holopea obesa Whitfield, Geol. Wisconsin, 4, 1882, p. 348, pi. 27, fig. 11.— Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 97, pi. 5, fig. 19; Jour. Geol., 11, 1903, p. 481, fig. 21. Ozarkian (Oneota): River Falls, Wisconsin. Sinuopea strongi (Whitfield). Euomphalus Strongi Whitfield, Wisconsin Geol. Surv., Ann. Rep. for 1877, 1878, p. 66; Geol. Wisconsin, 4, 1882, p. 200, pi. 4, figs. 1, 2. — Chamberlin, Geol. Wisconsin, 1, 1883, p. 142, fig. Oxydiscus Strongi Koken, Neues Jahrb. Min., Geol., Pal., 6, Beilage-Band, 1889, p. 392. Ozarkian (Oneota): Richland County, Wisconsin. Sinuopea turgida (Hall). Pleurotomaria? turgida Hall, Pal. New York, 1, 1847, p. 12, pi. 3, figs. 9, 10.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 160. — Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1889, p. 720, figs. Holopea turgida Billings, Canadian Nat. Geol., 4, 1859, p. 350. — Koken, Neues Jahrb. Min. Geol. Pal., 6, Beilage-Band, 1889, p. 478.— Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 50, pi. 9, figs. 3-7.— Calvin, Amer. Geol., 10, 1892, p. 147; Bull. Lab. Nat. Hist. State Univ. Iowa, 2, 1892, p. 192.— Cleland, Bull. Amer. Pal., 3, 1900, p. 253, pi. 15, fig. 14. Ozarkian: Saratoga County, etc., New York (Little Falls); Iowa. SIPHONIA CRATERA Roemer. See Palseomanon cratera. SIPHONIA IMBRICATO-ARTICULATA Roemer. See Astylospongia imbricatoarticulata. SIPHONOCRINUS Miller. Genotype: Glyptocrinus nobilis Hall . KSiphonocrinus Miller, Amer. Geol., 1, 1888, p. 263; N. A. Geol. Pal., 1889, p. 281.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1890, p. 371.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 1162 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SIPHONOCRINUS— Continued. 85, fig. 40.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 199.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 554.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 187. Siphonocrinus armosus (McChesney). Eucalyptocrinus armosus McChesney, Desc. New Fossils, 1861, p. 95, fig. — Hall, 20th Rep. New York State Mus. Nat. Hist., 1868, pi. 10, fig. 11.— McChesney, Trans. Chicago Acad. Sci., 1, 1868, p. 23, pi. 7, fig. 6. Glyptocrinus armosus Hall, 20th Rep. New York State Cab. Nat. Hist., rev. ed., 1870, p. 373, pi. 10, fig. 11.— Billings, Amer. Jour. Sci. Arts, 2d ser., 48, 1869, p. 73; Canadian Nat., n. s., 4, 1869, p. 281, fig. 3; Ann. Mag. Nat. Hist., 4th ser., 5, 1870, p. 255; Pal. Foss., Geol. Surv. Canada, 2, pt. 1, 1874, p. 94.— Whitfield, Geol. Wisconsin, 4, 1882, p. 284, pi. 16, fig. 11. Glyp taster armosus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, p. 370 (Rev. Pal., pt. 2, p. 196). Siphonocrinus armosus Miller, Amer. Geol., 1, 1888, p. 264. — Wachsmuth and Springer, Mem. Mus. Comp. ^Zool. Harvard, 20, 1897, p. 211, pi. 19, fig. 3a-c. Glyptocrinus siphonatus Hall, Rep. Sup. Geol. Surv. Wisconsin, 1861, p. 22; 20th Rep. New York State Cab. Nat. Hist, (extras, 1865), 1868, p. 328, pi. 10 (1), fig. 10.— Billings, Amer. Jour. Sci. Arts, 2d ser., 48, 1869, p. 73; Ann. Mag. Nat. Hist., 4th ser., 5, 1870, p. 256. Niagaran (Racine): Racine, Greenfield, and Waukesha, Wisconsin; Chicago, Illinois. Siphonocrinus nobilis (Hall). Glyptocrinus nobilis Hall, Rep. Sup. Geol. Surv. Wisconsin, 1861, p. 21; 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 1865), p. 328, pi. 10, fig. 9; rev. ed., 1870, p. 372, pi. 10, figs. 9, 10.— Whitfield, Geol. Wisconsin, 4, 1882, p. 283, pi. 16, figs. 9, 10. Siphonocrinus nobilis Miller, Amer. Geol., 1, 1888, p. 265; N. A. Geol. Pal., 1889, p. 281, fig. 428.— Weller, Bull. Chicago Acad. Sci., 4, pt. 1, 1900, p. 86, pi. 2, fig. 1.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 554, fig. 1885. Niagaran (Racine): Racine, Waukesha, etc., Wisconsin; Chicago, Illinois. Siphonocrinus pentagonus Wachsmuth and Springer. Siphonocrinus pentagonus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Harvard, 20, 1897, p. 213, pi. 19, figs. 4a, b. Niagaran (Racine): Racine, Waukesha, etc., Wisconsin. SIPHONOTRETA Verneuil. Genotype: Crania unguiculata Eichwald. Siphonotreta Verneuil, Geol. de la Russie d'Europe et des Mont, de 1'Oural, 2, 1845, p. 286. — Kutorga (in part), Verhandl. Russ-kais. min. Gesell. St. Peters- burg, No. 12, 1847, pp. 261-263.— D'Orbigny, Compt. Rend, de 1'Acad. Sci., 25, 1847, p. 269.— Morris, Ann. Mag. Nat. Hist., 2d ser., 4, 1849, pp. 315-520; Rep. British Assoc. Adv. Sci., Notices and Abstracts, 1850, pp. 57, 58.— David- son, British Foss. Brach., Pal. Soc., 1853, p. 131.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 72.— Chapman, Canadian Jour., n. s., 3, 1858, p. 160.— Eichwald, Leth. Rossica, ancienne periode, 1, sec. 2, 1860, p. 915. — Seebach, Zeitschr. Deutsch. geol. Gesell. for 1865, 17, Heft 2, p. 341.— Davidson, British Foss. Brach., 3, pt. 7, p. 75.— Quenstedt, Petrefactenkunde Deutechlands, Abth. 1, 2, Brach., 1871, pp. 673-674.— Dall, Amer. Jour. Conch., 7, 1871, p. 75; Bull. U. S. Nat. Mus., 8, 1877, p. 62.— Davidson, Geol. Mag., n. s., dec. 2, 4, 1877, pp. 13-16.— Zittel, Handb. Pal., 1, Munich, 1880, p. 665.— Davidson, British Foss. Brach., 5, pt. 2, 1883, pp. 217-219.— (Ehlert, Manual Conch., Fischer, 1887, p. 1265.— Miller, N. A. Geol. Pal., 1889, p. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1163 SIPHONOTRETA— Continued. 371.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 110, 167; 45th Rep. New York State Mus., 1892, pp. 568, 569.— Winchell and Schuchert, Geol. Min- nesota, 3, 1893, p. 358.— Hall and Clarke, llth Ann. Hep. New York State Geol., 1894, p. 252.— Koken, Die Leitfossilien, Leipzig, 1896, p. 229.— Walcott, Smiths. Misc. Coll., 53, 1908, pi. 11, pp. 142, 146; Mon. U. S. Geol. Surv., 51, pt. 1, 1912, p. 624.— Schuchert, Zittel-Eastman Textb. Pal., 1900, p. 309; 2d ed., 1913, p. 375. Siphonotreta(?) micula McCoy. Siphonotreta micula McCoy, Ann. Nat. Hist., 2d ser., 8, 1851, p. 389; British Pal. Foss., 1852, p. 188, pi. 1, fig. 3.— Salter, Siluria, 2d ed., 1859, p. 212, fig. 3.— Harkness, Geol. Mag., 2, 1865, .p. 431.— Davidson, British Sil. Brach., pt. 7, 1866, pp. 76, 77, pi. 8, figs. 2-6.— Ami, Hep. Progr. Geol. Nat. Hist. Surv. Canada for 1887-88, 1889, p. 52K. Lower Ordovician: Great Britain; Point Levis, Quebec (Levis). Siphonotreta(?) minnesotensis Hall and Clarke. Siphonotreta? minnesotensis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 112, 177, pi. 4, figs. 37, 38.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 358, pi. 29, figs. 23, 24.— Hall and Clarke, 48th Rep. New York State Mus., 2, for 1895, 1897, p. 332, pi. 2, figs. 9, 10; 14th Rep. State Geol. New York for 1894, 1897, p. 332, pi. 2, figs. 9, 10.— Ruedemann, Bull. New York State Mus., 49, 1902, p. 14, pi. 1, figs. 4, 5. Black River: Minneapolis, Minnesota (Platteville); Rysedorph Hill, Rensselaer County, New York (Rysedorph). SIPHONOTRETA SCOTICA Whiteav.es. See Schizambon canadensis. SIPHONOTRETA SCOTICA var. CANADENSIS Ami. See Schizambon canadensis. SKENIDIUM Hall. See Scenidium Hall. SKENIDIUM HALLI Safford. See Scenidium anthonense. SKENIDIUM PYRAMIDATA Hall. See Scenidium pyramidale. SKOLITHUS James. See Scolithus Haldeman. SOLEMYA Lamarck. See Solenomya Lamarck. SOLENOMYA Lamarck. Genotype: S. australis Lamarck. Solemya Lamarck, Hist. Nat. An. sans Vert., 2, 1818, p. 488. Solenomya Pictet, Traite de Pal., 2d ed., 3, 1855, p. 572.— Miller, N. A. Geol. Pal., 1889, p. 512.— Hind, Mon. British Carb. Lamell. Pal. Soc., 1900, p. 435. Soleiiomya? insperata Ruedemann. k Solenomya? insperata Ruedemann, Bull. New York State Mus., 162, 1912, p. 105, pi. 6, figs. 13, 14. Trenton (Snake Hill): Snake Hill, Saratoga County, New York. OLENO PLEURA Angelin. Genotype: Solenopleura holometopa Angelin. Solenopleura Angelin, Pal. Scandinavica, 3d ed. Holmise, 1854, p. 26. — Salter. Mem. Geol. Surv. Great Britain, 3, 1866, p. 305; ibid., 2d ed., 1881, p. 499.— Walcott, Bull. U. S. Geol. Surv., 10, 1884, p. 36.— Matthew, Canadian Rec. Sci., 2, 1887, p. 357; Trans. Roy. Soc. Canada, 5, 1888, pp. 134, 152.— Miller, N. A. Geol. Pal., 1889, p. 567.— Beecher, Amer. Geol., 16, 1895, p. 178.— Koken, Die Leitfossilien, Leipzig, 1896, p. 21, fig. 13, figs. 3, 4.— (Ehlert, Bull. Soc. GeoL France, 24, 1396, p. Ill, fig. 18.— Pompeckj, Jahrb. d. k. k. geol. Reich., 45, 1896, p. 546.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 25. $4243°— Bull. 92— vol 2—15 29 1164 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Solenopleura jerseyensis (Weller). Liostracus? jersey ensis Weller, Ann. Rep. State Geol. New Jersey for 1899, 1900, p. 51, pi. 1, figs. 1-8. Solenopleura jerseyensis Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 119, pi. 2, figs. 1-8. Upper Cambrian or Ozarkian (Kittatinny): Near Carpenters ville, New Jersey. SOLENOPORA Dybowski. Genotype: S. spongioides Dybowski. Solenopora Dybowski, Chset. Ostbalt. Sil. Form. St. Petersburg, 1877, p. 124.— Zittel, Handb. Pal., 1, 1880, p. 616.— Nicholson, Geol. Mag., dec. 3, 5, 1888, p. 19.— Brown, Geol. Mag., dec. 4, 1, 1894, pp. 146, 197.— Rothpletz, Sver. Geol. Under, ser. Ca, No. 10, 1913, p. 7. Solenopora compacta (Billings). Stromatopora compacta Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, pp. 55, 212 (adv. sheets, 1862). Solenopora(?) compacta Nicholson and Etheridge, Geol. Mag., dec. 3, 2, 1885, p. 629, pi. 13, figs. 1-8.— Nicholson, Geol. Mag., dec. 3, 5, 1888, p. 20, fig. 3; Man. Pal., 1, 1889, p. 201, figs. 83a-83d.— Ami, Canadian Rec. Sci., 5, 1892, p. 97.— Brown, Geol. Mag., dec. 4, 1, 1894, p. 146, figs. 1, 2.— Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 80, pi. F, figs. 21-23.— Whit- eaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 3, 1897, p. 237.— Seward, Fossil Plants, Cambridge, 1, 1898, p. 189, fig. 38.— Rothpletz, Handl. Kgl. Sv.Vet.- Akad., 43, No. 5, 1908, p. 12, pi. 3, figs. 1-6.— Seely, Vermont State Geol. Rep., 7, 1910, p. 274, fig. 24.— Rothpletz, Sver. Geol. Under., ser. Ca, No. 10, 1913, p. 11, pi. 1, figs. 5, 6. Solenopora compacta var. minuta Ami, Ann. Rep. Geol. Nat. Hist. Surv. Canada, n. s., 3, pt. 2, 1888, p. 116k; Canadian Rec. Sci., 5, 1892, p. 96. Solenopora Paquettiana Ami, Canadian Rec. Sci., 5, 1892, p. 98. Tetradium peachii Nicholson and Etheridge, Ann. Mag. Nat. Hist., 4th ser., 20, 1877, p. 166, figs. d-g. Tetradium Peachii var. canadense Foord, Cont. Micro. Pal. Geol. Surv. Canada, 1883, p. 24, pi. 6, figs. 1-lf. Solenopora compacta Peachii Nicholson and Etheridge, Geol. Mag. London, 2, 1-885, p. 530, pi. 13, figs. 2, 3, 9-11. Solenopora spongioides Dybowski, Die Chaetetiden der ostbaltischen Silur. For- mation, 1877, p. 124, pi. 2, figs, lla-b. Actinostroma trentonensis Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 139, pi. 6, fig. 8; pi. 7, figs. 3, 4. Solenopora compacta trentonensis Brown, Geol. Mag. London, 1, 1894, p. 146, fig. 2.— Ruedemann, Bull. New York State Mus., 133, 1909, p. 201. Middle and Upper Ordovician : A widespread and abundant species in Esthonia, Russia, and North America. SOLENOPORA COMPACTA var. MINUTA Ami. See Solenopora compacta. SOLENOPORA COMPACTA PEACHII Nicholson and Etheridge. See Solenopora compacta. SOLENOPORA COMPACTA TRENTONENSIS Brown. See Solenopora compacta. SOLENOPORA SPONGIOIDES Dybowski. See Solenopora compacta. SOLENOSPIRA Ulrich. See Ectomaria Koken. SOWTERIA Whiteaves. Genotype: Whitella canadensis Raymond. Sowteria Whiteaves, Ottawa Nat., 22, 1908, p. 112. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1165 Sowteria canadensis (Raymond). Whitella canadensis Raymond, Amer. Jour. Sci., 20, 1905, p. 373. Sowteria canadensis Whiteaves, Ottawa Nat., 22, 1908, p. 112, pi. 3, figs. 13-15. Black River (Lowville): Aylmer, Quebec; Hog Back, near Ottawa, Ontario. SPATIOPORA Ulrich. Genotype: S. aspera Ulrich. Spatiopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 155; ibid., 6, 1883, p. 166. — Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 20.— Miller, N. A. Geol. Pal., 1889, p. 323.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 381; Geol. Minnesota, 3, 1893, p. 319; Zittel's Textb. Pal. (Engl. ed.), 1896, p. 269.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 24.— Bassler, Bull. U. S. Geol. Surv., 292, p. 21.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 756.— Hennig, Archiv. fur Zool., 4, 1908, p. 12.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 106; Zittel-Eastman Textb. Pal., 1913. Spatiopora? areolata Foord. Spatiopora areolata Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 21, pi. 5, figs. 1-li. Trenton: Hull, Quebec. Spatiopora aspera Ulrich. Spatiopora aspera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 166, pi. 7, figs. 5-5b; Zittel's Textb. Pal. (Engl. ed.), 1896, fig. 441 (p. 269).— Bassler, Zittel-Eastman Textb. Pal., 1913, p. 329, fig. 468. Monticulipora aspera J. F. James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 82. Maysville (Bellevue) : Hamilton and Cincinnati, Ohio. Cotypes.—Ca,t. No. 43254, U.S.N.M. Spatiopora corticans (Nicholson). Chsetetes corticans Nicholson, Quart. Jour. Geol. Soc. London, 30, 1874, p. 512, pi. 19, figs. 13, 14; Pal. Ohio, 2f 1875, p. 210, pi. 22, figs. 6, 6a. Chsetetes tuberculatus (not Milne-Edwards and Haime) Nicholson, Ann. Mag. Nat. Hist., 4th ser., 18, 1876, p. 91. Monticulipora (Monotrypa) tuberculata (not Milne-Edwards and Haime) Nichol- son, Genus Monticulipora, 1881, p. 200, pi. 4, figs. 2-2d. Spatiopora corticans Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1908, p. 407. Richmond (Waynesville) : Warren and Clinton Counties, Ohio; Indiana. Spatiopora iowensis Ulrich. Spatiopora iowensis Ulrich, Geol. Minnesota, 3, 1893, p. 321. Richmond (Maquoketa): Graf, Iowa. .— Cat. No. 43253, U.S.N.M. Spatiopora labeculosa Ulrich. Spatiopora labeculosa Ulrich, Geol. Minnesota, 3, 1893, p. 320, pi. 28, figs. 1, 2. Black River (Decorah): Minneapolis, St. Paul, and Fountain, Minnesota. Holotype.—C&t. No. 43255, U.S.N.M. Spatiopora lineata Ulrich. Spatiopora lineata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 167, pi. 7, fig. 7. K Maysville (Bellevue): Hamilton and Cincinnati, Ohio. Holotype—Ca,t. No. 43252, U.S.N.M. ~ 1166 BULLETIN 92, UNITED STATES NATIONAL MUSEUM.' Spatiopora lineata incepta Ulrich. * Spatiopora maculosa var. incepta Ulrich, Geol. Minnesota, 3, 1893, p. 320. Spatiopora lineata-incepta Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 407.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 107, pi. 7, figs. 9, 10. Black River (Decorah): Chatfield, Minnesota. Middle Ordovician (Wesenberg): Wesenberg, Esthonia, Russia. Cotypes and plcsiolype.—Ca.t. Nos. 43299, 57206, U.S.N.M. Spatiopora maculata (Hall). - Hall, Pal. New York, 2, 1852, pi. 40E, figs. 7 a, b. Paleschara maculata Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 8, figs. 9, 10; ibid., mus. ed., 1879, p. 121, pi. 8, figs. 9-13; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 246, pi. 7, figs. 9-13.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 591, figs. Paleschara? aspera Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 8, figs. 11-13. Leptotrypa maculata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 158. Spatiopora maculata Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 22, pi. 8, figs. 1-4; pi. 9, figs. 10, 11. Niagaran: Waldron, Indiana, and Newsom, Tennessee (Waldron); Lockport, New York; Grimsby, Ontario (Rochester). Plesiotype— Cat. No. 35463, U.S.N.M. Spatiopora maculosa Ulrich. Spatiopora maculosa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 167, pi. 7, fig. 6.— Cumings, 32d Ann. Rep. Dep. Ge*ol. Nat. Res. Indiana, 1908, p. 879, pi. 32, fig. 9. Maysville (Corryville) : Cincinnati, Ohio, and vicinity. Holotype.—G&t. No. 43257, U.S.N.M. SPATIOPORA MACULOSA var. INCEPTA Ulrich. See Spatiopora lineata incepta. Spatiopora montifera Ulrich. Spatiopora montifera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 168, pi. 6, figs. 1, la, pi. 7, fig. 8. Richmond (Waynesville) : Waynesville, Clarksville, and Oxford, Ohio. Holotype.—Gat. No. 43256, U.S.N.M. Spatiopora tuberculata (Milne-Edwards and Haime). Chaetetes tuberculatus Milne-Edwards and Haime, Pol..Foss. Terr. Pal., 1851, p. 268, pi. 19, figs. 3, 3a. Monticulipora tuberculata Hall, 12th Ann. Rep. Indiana Geol. Nat. Hist., 1883, p. 251, pi. 10, fig. 6. — James and James, Jour. Cincinnati Soc. Nat. Hist., 11, 1888, p. 21.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 422, fig.— J. F. James, Jour. Cincinnati Soc. Nat. Hist., 16, 1895, p. 78. Spatiopora tuberculata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 166.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 407.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 880, pi. 32, fig. 10. Maysville and Richmond: Cincinnati, Maysville, etc., Ohio: Indiana; Ken- tucky. SPHJEREXOCmiS Beyrich. Genotype: S. mirus Beyrich. Sphserexochus Beyrich, Ueber einige bohm. Tril., 1845, p. 19; Untersuchung uber Tril., 1846, p. 5.— Bell and Forbes, in Burmeister's Org. Tril., London, Suppl., App., 1846, p. 126.— Beyrich, Neues Jahrb. Min., Geol. Pal., 1846, P. 119.— Hawle and Corda, Abh. d. k. bohmischen Gescll. d. Wiss.. 5 (ex- BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1167 SPH^REXO CHUS— Continued. tract), 1847, p. 137, pi. 7, fig. 72.— Salter, Mem. Geol. Surv. Gt. Britain, 1, 1848, p. 344.— McCoy, Ann. Mag. Nat. Hist., 2d ser., 4, 1849, p. 400.— Bar- rande, Neues Jahrb. f. Min., etc., 1850, p. 779; Syst. Sil. du Centre Boheme, 1, 1852, p. 805.— Salter, Mem. Geol. Surv. United Kingdom, dec. 7, 1853, pi. 3.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 521.— Nieszkowski, Archiv. f. Naturk. Liv.-Ehst-u. Kurl., 1, 1857, p. 594.— Salter, Mon. British Tril., Pal. Soc., 1864, p. 76.— Barrande, Syst. Sil. du Centre Boheme, 1, Suppl., 1872, p. 109. — Steinhardt, Beit. z. Naturk. P^eus. Phys.-Oekon. Gesell., Konigsberg, 1874, p. 60.— Angelin, Pal. Scandinavica, 3d ed., Holmiae, 1878, p. 36.— Schmidt, Mem. 1'Acad. Imp. Sci. St. Petersburg, 7th ser., 30, 1881, p. 188.— Zittel, Handb. Pal., 2, 1885, p. 619.— Miller, N. A. Geol. Pal., 1889, p. 567.— Koken, Die Leitfossilien, Leipzig, 1896, p. 33, fig. 23, fig. 3.— Reed, Geol. Mag., dec. 4, 5, 1898, p. 210.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 321.— Raymond, Zittel-Ekstman Textb. Pal., 1913, p. 725. SPH^EREXOCHUS CANADENSIS Billings. See Pseudosphserexochus canadensis. SPH^REXOCHUS MIRUS Roemer. See Sphaerexochus romingeri. Sphaerexochus parvus Billings. — Billings, Can. Nat. Geol., 4, 1859, p. 468, fig. 36. Sphserexochus parvus Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 133, fig. 66; Pal., Foss., 1, Geol. Surv. Canada, 1865, p. 180, fig. 161a, b.— Miller, N. A. Geol. Pal., 1889, p. 567, fig. 1060.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 974, fig.— Raymond, Annals Carnegie Mus., 3, 1905, p. 366, figs. 4, 5; p. 372, pi. 14, fig. 22; 7th Rep. Vermont State Geol., 1910, p. 246, pi. 36, fig. 22.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 321, fig. 1634e. Chazyan: Island of Montreal and Mingan Islands, Canada; Chazy, Valcour Island, etc., New York; Isle La Motte, Vermont (Crown Point). SPHSEREXOCHUS PISUM Foerste. See Deiphon forbesi. Sphserexochus romingeri Hall. Sphaerexochus mirus Roemer, Sil. Fauna West Tennessee, 1860, p. 81, pi. 5, fig. 20.^- Hall, Adv. sheets 18th Rep. New York State Cab. Nat. Hist., 1865, p. 30; 20th Rep. New York State Cab. Nat. Hist., 1867, p. 334.— Foerste, Bull. Sci. Lab. Denison Univ., 3, 1888, p. 121, pi. 13, fig. 6. Sphaerexochus romingeri Hall, Geol. Surv. Wisconsin, 1, 1867, p. 434; 20th Rep. New York State Cab. Nat. Hist., 1867, p. 375, pi. 21, figs. 4-7; 20th Rep. New York State Cab. Nat. Hist., 1870, rev. ed., p. 425, pi. 21, figs. 4-7.— Meek and Worthen, Geol. Surv. Illinois, 7, 1875, p. 510, pi. 24, fig. 4 — Whitfield, Geol. Wisconsin, 4, 1882, p. 311, pi. 21, figs. 1-3.— Chamberlin, ibid., 1, 1883, p. 195, fig.— Van Ingen, School of Mines Quart., 23, 1901, p. 35.— Kindle, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 483, pi. 22, figs. 8-9, 12-15.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 266, pi. 24, figs. 6-19.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 321, fig. 1635. Niagaran: Milwaukee and Waukesha, Wisconsin; Bridgeport, Illinois (Racine); Cedarville, Ohio (Guelph); Independence County, Arkansas (St. Clair); Connor's Mill, etc., Indiana; West Tennessee (Brownsport). SPH^REXOCHUS ROMINGERI? Hall 1877. See Cheirurus niagarensis. SPH^EROBOLUS Matthew. See Obolus subgenus Lingulobolus Walcott. 1168 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. SPHJ3ROCOCCITES Sternbcrg. Type: S. ciliatus Sternberg. Sphaerococcites Sternberg, Flora Vorw., 2 (Versuch), pt. 5, 6, 1883, p. 28. Sphaerococcites(?) glomeratus Grabau. Sphaerococcites(?) glomeratus Grabau, Michigan Geol. Surv., Geol. Series, 1, 1909, p. 210, pi. 11, fig. 1. Lower Monroan : Greenfield, Ohio (Greenfield); Roche de Boeuf, Lucas County, Ohio; Monroe County, Michigan (Raisin River). SPH^ROCORTPHE Angelin. Genotype: S. dentata Angelin. Sphaerocoryphe Angelin, Pal. Scandinavica, 3d ed., Holmise, 1878, p. 65. — Schmidt, Mem. 1'Acad. Imp. Sci. St. Petersburg, 7th ser., 30, 1881, pp. 123, 126,129, 166.— Zittel, Handb. Pal., 2, 1885, p. 618.— Miller, N. A. Geol. Pal., 1889, p. 567.— Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738.— Reed, Geol. Mag., dec. 4, 3, 1896, p. 118; 5, 1898, p. 211. — Koken, Die Leitfossilien, Leipsig, 1896, p. 35.— Raymond, Annals Carnegie Mus., 3, 1905, p. 375.— Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 77.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 725. Sphserocoryphe goodnovi Raymond. Sphaerocoryphe goodnovi Raymond, Annals Carnegie Mus., 3, 1905, p. 371, pi. 14, fig. 23; ibid., 7, p. 78, pi. 19, figs. 16-18; 7th Rep. Vermont State Geol., 1910, p. 246, pi. 36, fig. 23; pi. 39, figs. 16-18. Chazyan (Crown Point): Chazy, New York. Sphserocoryphe major Ruedemann. Sphaerocoryphe major Ruedemann, Bull. New York State Mus., 49, 1901, p. 67, pi. 4, figs. 13, 14. Mohawkian (Rysedorph): Rysedorph Hill, Rensselaer County, New York. Sphserocoryphe maquoketensis Slocom. Sphserocoryphe maquoketensis Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 77, pi. 15, figs. 1-4. Richmond (Maquoketa): Clermontr Elgin, and Bloomfield, Iowa. Sphserocoryphe robustus Walcott. Sphserocoryphe robustus Walcott, Cincinnati Quart. Jour. Sci., 2, 1875, p. 273, figs. 18a, b.— Miller, N. A. Geol. Pal., 1889, p. 567, fig. 1061. Ceraurus (Sphaerocoryphe) robusta Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 738 (gen. ref.). Trenton: Trenton Falls, New York. Sphserocoryphe salterl Billings. Sphaerocoryphe Salted Billings, Cat. Sil. Fossils, Anticosti, Geol. Surv. Canada, 1866, p. 63. Gamachian (Ellis Bay): Junction Cliff, Anticosti. SPH^EROCYSTIS Haeckel. See Sphserocystites Hall. SPH^EROCYSTITES Jaekel (part). See Ccelocystis Schuchert. SPH^EROCYSTITES Hall. Genotype: S. multifasciatus Hall. Sphaerocystites Hall, Amer. Jour. Sci. Arts, 25, 1858, p. 279; Pal. New York, 3, 1859, pp. 130, 151.— Miller, N. A. Geol. Pal., 1889, p. 282.— Jaekel, Stammesges. Pelmat., 1, 1899, p. 288.— Schuchert, Amer. Geol., 32, 1903, p. 232.— Zittel, Grundzuge Pal., 1, 1910, p. 188.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 470. Sphaerocystis Haeckel, Amphor. und Cystoid., 1896, pi. 3, fig. 10-13.— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 63. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1169 Sphjerocystites bloomfleldensis Schuchert. Sphserocystites bloomfieldensis Schuchert, Smiths. Misc. Coll., 47, pt. 2, 1904, p. 251.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 471. Helderbergian (Keyser): Clark's Mill, near Bloomfield, Pennsylvania. Cotypes.—C&t. No. 35059, U.S.N.M. SPH^ROCYSTTTES DOLOMITICUS Jaekel. See Ccelocystis subglobosua. Sphaerocystites globularis Schuchert. Sphaerocystites globularis Schuchert, Amer. Geol., 32, 1903, p. 233; Smiths. Misc. Coll., 47, 1904, p. 252, pi. 38, figs. 3-5; pi. 39, figs. 5, C; text figs. 40, 41; Mary- land Geol. Surv., Low. Dev., 1913, p. 247, pi. 36, fig. 1. Helderbergian (Keyser): Keyser, West Virginia; Devils Backbone, Maryland. Holotype.—Csit. No. 35053, U.S.N.M. Sphserocystites globularis ovalis Schuchert. Sphaerocystites globularis ovalis Schuchert, Smiths. Misc. Coll., 47, 1904, p. 253, pi. 38, fig. 6; Maryland Geol. Surv., Low. Dev., 1913, p. 248, pi. 36, fig. 2. Helderbergian (Keyser): Keyser, West Virginia. Eolotype.—Cai. No. 35054, U.S.N.M. Sphaerocystites multifasciatus Hall. Sphserocystites multifasciatus Hall, Pal. New York, 3, 1859, p. 130, pi. 7a, figs. 1-4.— Jaekel, Stammesgeschichte der Pelmatozoen, 1, 1899, p. 289. — Schu- chert, Amer. Geol., 32, 1903, p. 233; Smiths. Misc. Coll., 47, pt. 2, 1904, p. 250, figs. 38, 39, pi. 38, figs. 1, 2; pi. 39, figs. 1-4.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 470, fig. 1781. — Schuchert, Maryland Geol. Surv., Low. Dev., 1913, p. 245, pi. 34, figs. 11, 12; pi. 35, figs. 1-4. Sphserocystis multifusciatus Haeckel, Beitr. Morph. u. Phyl. d. Echinodermen, 1896, p. 133. Helderbergian (Keyser): Cumberland, Maryland; Keyser, West Virginia. Plesiotypes.—C&t. Nos. 35052, 35058, U.S.N.M. SPEWERODICTYA Hall and Clarke. See Teganium Rauff. SPILEROLITHES NICHOLSONI Hinde. See Hindia sphseroidalis. SPHJERONIS Angelin. See Holocystites Hall. SPH^SRONITES AURANTIUM Hisinger. See Echinosphserites aurantium. SPH^ROPHTHALMVS Angelin. Genotype: S. flagellifer Angelin. Sphaerophthalmus Angelin, Pal. Scandinavica, 3d ed., Holmiae (1854), 1878, p. 49.— Salter, Cat. Camb. SL1. Foss., 1873, p. 11.— Brogger, Die Sil. Etagen 2-3, Kristiania, 1882, p. 113.— Zittel, Handb. Pal., 2, 1885, p. 596.— Koken, Die Leitfossilien, Leipzig, 1896, p. 20, fig. 11, fig. 13.— Lindstrom, Kongl. Sven. Vet.-Acad. Handl., 34, No. 8, 1901, pp. 27, 29.— Lake, Paleontograph- ical Soc., 1913, p. 73. Sphaerophthalmus alatus (Boeck). Trilobitea alatus Boeck, Keilhan's Gsea Norv., 1838, p. 143. Sphaerophthalmus alatus Angelin, Pal. Scandinavica, 3d ed., Holmise, 1878, p. 49, pi. 26, fig. 9. — Linnarsson, Afh. Sveriges Geol. Unders., ser. C, No. 43, 1880, p. 7, pi. 1, figs. 6-10. — Pompeckj, Beit. Phys.-Oekon Gesell., Konigsberg, 1890, p. 89, pi. 4, figs. 27, 27a.— Koken, Die Leitfossllien, Leipzig, 189*6, p. 18, fig. 11, fig. 13.— Freeh, Leth. geog., 1, Leth. Pal., 2, 1 Lief, 1897, pi. Ib, fig. 20a, b.— LindstrSm, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 190L 1170 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Sphrerophthalmus alatus — Continued. p. 29, pi. 3, figs. 31-34. — Matthew, Geol. Surv. Canada, Rep. Cambr. Rocka Cape Breton, 1903, p. 228.— Lake, Paleontographical Soc., 1913, p. 74 (see for complete bibliography). Leptoplastus (Sphserophthalmus) alatus Brogger, Die Sil. Etagen 2-3, Kristiania, 1882, p. 119, pi. 2, fig. 14. Lower Ordovician: Scandinavia; St. John County, New Brunswick; McNeil Brook, Cape Breton, Nova Scotia (Bretonian — Div. C3b). Sphserophthalmus alatus canadensis Matthew. Sphcerophthalmus alatus var. canadensis Matthew, Trans. Royal Soc. Canada, 11, sec. 4, 1904, p. 107, pi. 17, figs, lla, b, 12. Canadian (Bretonian — Div. C3b): St. John, New Brunswick. Sphaerophthalmus flagellifer Angelin. Sphserophthalmus flagollifer Angelin, Pal. Scandinavia, 1854, p. 49, pi. 26, fig. 7.— Linnarsson, Afli. Sverigos Geol. Undors., ser. C, No. 43, 1880, p. 12 pi. 1, figs. 13-17. Leptoplastus (Ctenopyge) flagellifera Brogger, Die Sil. Etagen 2-3, Kristiania, 1882, p. 120, pi. 2, fig. 15a, b, 16, 17 (cites bibliography). Ctenopyge flagellifer Matthew, Trans. Royal Soc. Canada, 9, sec. 4, 1892, p. 56, pi. 13, figs. 12a, b.— Freeh, Leth. geog., 1, Leth. Pal., 2, 1 Lief, 1897, pi. Ib, fig. 21. Lower Ordovician: Scandinavia; St. t John, New Brunswick (Bretonian — Div. C3b). Sphaerophthalmus fletcheri Matthew. Sphserophthalmus Fletcheri Matthew, Bull. Nat. Hist. Soc. New Brunswick, No. 19, 1901, p. 280, pi. 5, figs. 7a-f; Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 227, pi. 17, figs. 7a-f. Canadian (Bretonian — Div. C3b): McAdam shore, East Bay, east of Bras d'Or Lake, Cape Breton, New Brunswick. SPHENOLITJM Miller. Genotype: Orthodesma cuneiforme Miller. Sphenolium Miller, N. A. Geol. Pal., 1889, p. 513.— Ulrich, Geol. Minnesota, 3, pt. 2, p. 623.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 984. Sphenolium cuneiforme (Miller). Orthodesma cuneiforme Miller, Jour. Cincinnati Soc. Nat. Hist., 3, 1881, p. 314, pi. 8, figs. 1, la. f Sphenolium cuneiforme Miller and Faber, ibid., 17, 1894, p. 141, pi. 8, figs. 5, 6.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 785, fig. 1455. Richmond: Versailles, Indiana. Sphenolium faberi Miller. Sphenolium faberi Miller, N. A. Geol. Pal., 1889, p. 513, fig. 924. Maysville: Cincinnati, Ohio. Sphenolium parallelum Ulrich. Sphenolium parallelum Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 624, pi. 36, figs. 42, 43. Black River (Platteville) : Mineral Point, Wisconsin. Sphenolium richmondense Miller. * Sphenolium richmondense Miller, N. A. Geol. Pal., 1889, p. 513, figs. 925, 926.— Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 1894, p. 142.— Cum- ings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1021, pi. 48, fig. 5. Richmond (Whitewater): Richmond, Indiana. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1171 Sphenolium stria turn Ulrich. Sphenolium striatum Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. G24, pi. 36, figs. 44,45. Trenton (Prosser): Goodhue County, Minnesota. Holotype.—Cat. No. 46311, U.S.N.M. IPHENOPHTCUS Ruedemann. Genotype: Sphenothallus latifolius Hall. Sphenothallus (part) Hall and other authors. Sphenophycus Ruedemann, Bull. New York State Mus., 162, 1912, p. 73. Jphenophycus latifolius (Hall). Sphenothallus latifolius Hall, Pal. New York, 1, 1847, p. 262, pi. 68, figs. 2a-f. Sphenophycus latifolius Ruedemann, Bull. New York State Mus., 162, 1912, p. 73, pi. 1, figs. 1-10; pi. 2, figs. 1-14. Trenton (Schenectady): Near Schenectady, New York. SPHENOPHTLLUM Koenig. Genotype: Sphenophyllites emarginatum Koenig. Sphenophylluin Koenig, Icon. Foss. Sect. London, 1825, pi. 12, fig. 149. — Brong- niart, Prodr. d. Hist. Veg. Foss., 1828, p. 68. Sphenophylluin primaevum Lesquereux. Sphenophyllum primaevum Lesquereux, Proc. Amer. Phil. Soc., 17, 1877, p. 167, pi. 1, figs. 3-5.— Miller, Proc. Davenport Acad. Sci., 2, 1878, p. 206.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 980, figs. Eden and Maysville: Cincinnati, Ohio, and vicinity. PHENOTHALLUS Hall. Genotype: S. angustifolius Hall. Sphenothallus Hall, Pal. New York, 1, 1847, p. 261.— Roemer, Leth. geog., 1, Theil, Leth. Pal., Erste Lief, 1880, p. 126.— Miller, N. A. Geol. Pal., 1889, p. 143.— Nathorst, Geol. Foren. Stockholm Forhandl., 18, 1896, p. 228.— Ruedemann, Bull. New York State Mus., 162, 1912, p. 73. Sphenothallus angustifolius Hall. Sphenothallus angustifolius Hall, Pal. New York, 1, 1847, p. 261, pi. 68, fig. 1.— Ruedemann. 15th Rep. State Geol. New York for 1895, 1898, p. 705, pi. 4, fig. 40; 49th Rep. New York State Mus., 2, 1898, p. 705, pi. 4, fig. 40.— Miller, N. A. Geol. Pal., 1889, p. 144, fig. 75.— Ruedemann, Bull. New York State Mus., 162, 1912, p. 73. Sphenothallus cfr. angustifolius Nathorst, Geol. Foren Forhandl., 6, 1883, p. 315, pi. 15; ibid., 18, 1896, p. 228. Trenton (Canajoharie) : Between Canajoharie and Schoharie, New York. SPHENOTHALLUS LATIFOLIUS Hall. See Sphenophycus latifolius. SPHYRADOCERAS Hyatt. See Trochoceras Barrande. SPIRIFER Sowerby. Genotype: Anomites striatus Martin. Spirifer Sowerby, Min. Conch., 2, 1815, p. 41. — Billings, Canadian Nat. Geol., 1, 1856, p. 134.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 31.— Meek and Hayden, Pal. Upper Missouri, Smiths. Contr. Knowl., 14, 172, 1864, p. 17.— Zittel, Handb. Pal., 1, 1880, p. 682.— Waagen, Mem. Geol. Surv. India, Pal. Indica, 13th Ser., 1, 1883, p. 507.— Hall and Clarke, Nat. Hist. New York, 8, pt. 2, 1893, pp. 1-40; 13th Rep. New York State Geol., 1895, p. 751.— Koken, Die Leitfossilien, Leipzig, 1896, p. 243, figs. 205, 1.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 207.— Girty, 20th Ann. Rep. U. S. Geol. Surv., 1900, pp. 50-55.— Beede, Univ. Geol. Surv. Kansas, 6, 1900, p. 98. — Schellwien, Abhandl. d. k. k. geol. Reichsanst., 16, Heft 1, 1900, p. 69.— Grabau, Bull. 1172 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SPIRI FE R— Continued . Buffalo Soc. Nat. Sci., 7, 1901, p. 197; Bull. New York State Mus., 45, 1901, p. 197.— Freeh, Leth. geog., 1, Theil, Leth. Pal., 2, 4th Lief, 1902, p. 588.— Loomis, Bull. New York State Mus., 69, 1903, p. 900.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 315.— Schuchert, Zittel-Eastman Textb. Pal. 1900, p. 335; 2d ed., 1913, p. 410. Spirifera Billings, Canadian Jour., 6, 1861, p. 253.— Hall, 20th Hep. New York State Cab. Nat. Hist., 1867, p. 251; Nat. Hist. New York, 4, 1867, p. 186.— White, Wheeler's Expl. and Surv. west of the 100th Merid., 1875, p. 90.— Herrick, Bull. Sci. Lab. Denison Univ., 4, 1888, p. 14.— Nettelroth, Ken- tucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 105.— Miller, N. A. Geol. Pal., 1889, p. 371.— Hall, Bull. Geol. Soc. Amer., 1, 1890, p. 567; 9th Ann. Rep. New York State Geol., 1890, p. 9. Delthyris Dalman, Kongl. Svenska Vet.-Akad. Handl. for 1827, 1828, pp. 93, 99.— Hall, Pal. New York, 2, 1852, p. 65, footnote.— Dall, Amer. Jour. Conch., 6, 1870, p. 116.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 9, 16, under caption Septati (not p. 19). — Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 411. (Genotype: Delthyris elevata Dalman.) Spirifera "lamellosa" Hall, 9th Ann. Rep. New York State Geol., 1890, p. 11 (= Delthyris). Eospirifer Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 411. (Genotype: Spirifer radiata Sowerby.) Spirifer (Eospirifer) asperatus (Ringueberg). Spirifera asperata Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 16, pi. 2, fig. 5. Clinton (Rochester): Lockport, New York. SPIRIFER BICOSTATUS Hall. See Reticularia bicostata. SPIRIFERA BICOSTATUS? var. PETILA Hall. See Reticularia bicostata petila. SPIRIFER BIFORATA var. LYNX Hall. See Platystrophia biforata. SPIRIFER BILOBUS Hall. See Bilobites bilobus. Spirifer (Delthyris) corallinensis (Grabau). Spirifer crispus Hall (not Hisinger), Pal. New York, 2, 1852, p. 328, pi. 74, figs. 9a-h. Spirifer crispus corallinensis Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 352; Bull. New York State Mus., 45, 1901, p. 199. Spirifer modestus corallinensis Schuchert, Amer. Geol., 31, 1903, p. 166. Spirifer corallinensis Grabau, Bull. New York State Mus., 69, 1903, p. 1042, fig. 6. — Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 320, fig. 405.— Grabau, Bull. New York State Mus., 92, 1906, p. 109, fig. 10.— Foerste, Cincinnati Soc. Nat. Hist., Jour., 21, 1909, p. 18. Cayugan: Schoharie County, New York (Cobleskill and Rondout); Kokomo, Indiana (Kokomo). Helderbergian ( Decker- Keyser): Becraft Mountain, near Hudson, New York. Spirifer (Delthyris) crispatus (Hall and Clarke). Spirifer crispatua Hall and Clarke, Pal. New-York, 8, pt. 2, 1895, p. 360, pi. 36, figs. 9, 10; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 355, pi. 7, figs. 12, 13; 14th Rep. State Geol. New York, 1897, p. 355, pi. 7, figs. 12, 13. ' * Niagara group , Mary land . ' • BIBLIOGBAPHIC LIST OF GENERA AND SPECIES. 1173 Splrifer (Delthyris) crispus (Hisinger). Terebratula crispa Hisinger, Svenska Vet.-Akad. Handl., 1826, tab. 7, fig. 4. Spirifer crispus Hall, Amer. Jour. Sci., 20, 1849, p. 228.— Davidson, Bull. Soc. Geol. France, 2d ser., 5, 1848, p. 325, pi. 3, fig. 42; Pal. New York, 2, 1852, p. 262, pi. 54, fig. 3; p. 328, pi. 74, fig. 9.— Salter, Sutherland's Jour. Voyage in Banin's Bay, etc., 2, App., 1852, p. 225, pi. 5, fig. 8.— Marcou, Geol. Map United States and British Prov., etc., 1853, p. 27, pi. 2, fig. 5.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 75, pi. 6, figs. 6, 7.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 19, 20, 36, pi. 36, figs. 1-6.— Grabau, Bull. New York State Mus., 45, 1901, p. 199, fig. 118; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 199, fig. 118.— Clarke and Kuedemann, Mem. New York State Mus., 5, 1903, p. 42, pi. 4, figs. 10-20; Bull. New York State Mus., 69, 1903, p. 1046.— Raymond, Ann. Carnegie Mus., 3, 1904, p. 146, figs. 49, 50.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 253, pi. 27, fig. 1. Spirifera crispa Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 94.— Davidson, Mon. British Sil. Brach., Pal. Soc., 1867, p. 97, pi. 10, figs. 13-15.— Hall, 28th Rep. New York State Mus. Nat. Hist., 1879, p. 157, pi. 24, figs. 6-12, 19; llth Rep. State Geol. Indiana, 1882, p. 295, pi. 24, figs. 6-12, 19; 2d Ann. Rep. New York State Geol., 1883, pi. 61, figs. 1-6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1003, figs. — Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 62. Delthyris crispa Dalman, Kongl. Vet.-Akad. Handl. for 1827, 1828, p. 122, pi. 3, fig. 6. Delthyris staminea Hall, Geol. New York, Rep. 4th Dist., 1843, p. 105, fig. 3.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 313, figs. 3, 3b. Spirifer staniinea Emmons, Man. Geol., 1860, p. 109, fig. 99. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1030, figs. Middle Silurian: Europe and America; Niagaran of New York, Ontario, Nova Scotia, Arctic America, Indiana, Kentucky, and Tennessee. SPIRIFER CRISPUS CORALLINENSIS Grabau. See Spirifer (Delthyris) corallinensis. Spirifer (Delthyris) crispus simplex (Hall). Spirifera crispa var. Hall, Trans. Albany Inst., 4, 1863, p. 212. Spirifera crispa var. simplex Hall, 28th Rep. New York State Mus. Nat. Hist., 1879, p. 157, pi. 24, figs. 1-5; llth Rep. State Geol. Indiana, 1882, p. 296, pi. 24, figs. 1-5. — Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. Ill, pi. 17, figs. 36, 37.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1004, figs. Spirifer crispus var. simplex Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 75, pi. 6, figs. 4, 5. Spirifer (Reticularia) crispus var. simplex Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 442, pi. 8, figs. 26-28. Niagaran: Waldron and St. Paul, Indiana; Newsom, Tennessee (Waldron and Laurel); Louisville, Kentucky (Louisville); Hamilton County, Indiana. Pleswtype.—Ca.t. No. 51333, U.S.N.M. (Nettelroth). SPIRIFER DECEMPLICATUS Emmons. See Spirifer (Delthyris) sulcata. SPIRIFER DUBIUS Nettelroth. See Reticularia dubia. Spirifer (Delthyris) eriensis (Grabau). Spirifer eriensis Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 366, pi. 21, figs. 2 «r-b; Bull. New York State Mus., 45, 1901, p. 199, fig. 119; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 199, fig. 119.— Schuchert, Amer. Geol., 31, 1903, p. 166.— Grabau, Bull. New York State Mus., 69, 1903, p. 1043, fig. 7; ibid., 92, 1906, 1174 BULLETIN &2, UNITED STATES NATIONAL MUSEUM. Spirifer (Delthyris) eriensis — Continued. p. 109, fig. 11.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 320, fig. 404.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1906, p. 133, pi. 31, figs. 2 a, b.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 404, pi. 69, fig. 7. Cayugan (Cobleskill and Rondout): Williamsville, North Buffalo, etc., New York. Helderbergian (Keyser) : Cash Valley, Maryland; New York; New Jersey. Spirifer (Eospirifer) eudora (Hall). Spirifera eudora Hall, Ann. Rep. Geol. Surv. Wisconsin, 1861, p. 25; Geol. Rep. Wisconsin, 1, 1863, p. 69, pi. 5; p. 436; Trans. Albany Inst., 4, 1863, p. 211; 20th Rep. New York State Cab. Nat. Hist., 1867, p. 370, pi. 13; figs. 5, 7; ibid., 28th Rep., 1879, p. 156, pi. 24, figs. 13-18; llth Rep. State Geol. Indiana, 1882, p. 294, pi. 24, figs. 13-18; 2d Ann. Rep. New York State Geol. 1883, pi. 51, figs. 19-21, 29.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1010, figs. Spirifer eudora Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 13, 35, pi. 21, figs. 19-21, 29.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 318, fig. 399.— Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 16, pi. 2, fig. 14 A, B. Niagaran: Racine, Wisconsin (Racine); Waldron, Indiana; Newsom, Tennessee (Waldron); Louisville, Kentucky (Louisville); West Union, Ohio (West Union); Osgood, Indiana (Osgood). Spirifer (Delthyris) exiguus (Foerste). Spirifer exiguus Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 17, pi. 1, figs. 8 A, B, C. Cayugan (Kokomo): Kokomo, Indiana. Spirifer (Eospirifer) ,foggi (Nettelroth). Spirifera foggi Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 117, pi. 32, figs. 28-31. Spirifer foggi Foerste, Jour. Geol., 11, 1903, p. 710 (loc. occ.).— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 441, pi. 8, figs. 24, 25. Niagaran: Louisville, Kentucky (Louisville); Pegram, etc., Tennessee (Browns- port); Georgetown, Indiana. Holotype.— Cat. No. 51317-, U.S.N.M. Spirifer (Eospirifer?) geronticus (Foerste). Spirifer geronticus Foerste, Jour. Geol., 11, 1903, p. 710, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 92, pi. 2, figs. 30 A, B. Niagaran (Brownsport): Dixon Spring, Pegram, Clifton, etc., Tennessee. Spirifer (Eospirifer) gibbosus (Hall). Spirifer gibbosus Hall, Ann. Rep. Geol. Surv. Wisconsin, 1861, p. 25. Spirifera gibbosa Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 370, pi. 13, figs. 6, 8. Niagaran (Racine): Racine, Wisconsin. Spirifer (Eospirifer) harinensis (Foerste). Spirifer harinensis Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 16, pi. 2, figs. 2 A, B. Clinton (West Union) : Harin Hill, Lewis County, Kentucky. SPIRIFER INJSQUIVALVIS Castelnau. See Rhynchotrema inaequivalve. SPIRIFER INCONSTANS Hall. See Spirifer (Eospirifer) nobilis. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1175 SPIRIFER LIRATUS Sowerby. See Stricklandinia lirata. SPIRIFER MACROPLEURUS Safford. See Spirifer (Eospirifer) iiiagarensis oligoptychus. Spirifer (Delthyris) modestus (Hall). Spirifer modestus Hall, 10th Rep. New York State Cab. Nat. Hist., 1857, p. 61; Pal. New York, 3, 1859, p. 2, 3, pi. 28, figs. 1 a-e.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 37, pi. 38, figs. 1, 3.— Grabau, Michigan Geol. Surv. Geol. Ser., 1, 1909, p. 137, pi. 16, figs. 11, 12, 24, 25.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 399, pi. 68, figs. 17-22. Reticularia modestus Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 343. Helderbergian (Keyser): Cumberland, Pinto, Cash Valley, Tonoloway, etc., Maryland; Hyndman, Pennsylvania; Keyser, West Virginia. Upper Monroan (Lucas) : Salt shaft, Detroit, Michigan. SPIRIFER MODESTUS CORALLINENSIS Schuchert. See Spirifer (Delthyris) coralli- nensis. Spirifer (Delthyris) modestus plicatus (Maynard). Spirifer modestus var. plicatus Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 400, pi. 68, figs. 23, 24. Helderbergian (Keyser): Keyser, West Virginia. Spirifer (Delthyris) modestus striatissimus Holtedahl. Spirifer modestus striatissimus Holtedahl, 2d Arct. Exp. "Fram," 1898-1902, No. 32, 1914, p. 26, pi. 8, fig. 2. Helderbergian (Lower beds): Southwestern Ellesmereland, Arctic America. Spirifer (Delthyris) nanus (Foerste). Spirifer nanus Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 15, pi. 1, fig. 7; pi. 2, fig. 7. Clinton (West Union): Big Salt Lick Creek, Lewis County, Kentucky; West Union, Adams County, Ohio. Spirifer (Eospirifer) niagarensis (Conrad). Delthyris niagarensis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 261.— Hall, Geol. New York, Rep. 4th Dist., 1843, p. 105, fig. 1.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 313, fig. 1. Spirifer niagarensis Hall, Pal. New York, 2, 1852, p. 264, pi. 54, fig. 5.— Emmons, Man. Geol., -1860, p. 109, fig. 99.— Chapman, Canadian Jour., n. s., 7, 1862, p. 113, fig. 98; ibid., 8, 1863, p. 212, fig. 219; Expos. Min. Geol. Canada, 1864, p. 116, fig. 98; p. 184, fig. 219.— Safford, Geol. Tennessee, 1869, p. 315, fig. 1, 2.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1024, figs.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 14-35, pi. 21, figs. 1-4, 25; pi. 37, fig. 1.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 198, fig. 117; Bull. New York State Mus., 45, 1901, p. 298, fig. 117.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 319, fig. 400. Spirifera niagarensis Billings, Canadian Nat. Geol., 1, 1856, p. 137, pi. 2, fig. 8; Geol. Canada, 1863, p. 317, fig. 329.— Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 51, figs. 1-1, 25. Clinton: Lockport, Rochester, etc., New York; Ontario (Rochester); Osgood, Indiana (Osgood). Spirifer (Eospirifer) niagarensis oligoptychus (Roemer). Spirifera niagarensis var. oligoptychus Roemer, Sil. Fauna West, Tennessee, 1860, p. 68, pi. 5, fig. 8, 1176 BULLETIN 92, UNITED STATES NATIONAL MUSEUM.. Spirifer (Eospirlfer) niagarensls ollgoptychus— Continued. Spirifer macropleurus Safford, Geol. Tennessee, 1869, p. 321. Spirifer oligoptychus Foerste, Jour. Geol., 11, 1903, p. 710. Niagaran (Brownsport): Decatur County, Tennessee. Spirifer (Eospirifer) nobilis (Barrande). Spirifer nobilis Barrande, Ueber die Brach. der Sil. Schicht von Bohmen, 1847.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 14, 35, pi. 29, fig. 16; pi. 37, figs. 2, 3.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Ees. In- diana, 1904, p. 441, pi. 9, figs. Spirifer racinensis McChesney, New Pal. Fossils, 1861, p. 84; Plates, 1865, pi. 8, figs. 3-3b. Spirifer inconstans Hall, Ann. Rep. Geol. Surv. Wisconsin, 1861, p. 26; Geol. Rep. Wisconsin, 1, 1862, p. 69, fig. 6; p. 436. Spirifera nobilis Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 372, pi. 13, figs. 14-16.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 192, fig. Spirifera racinensis McChesney, New Pal. Fossils, 1868, p. 84. Niagaran: Racine, Wisconsin; Chicago, Illinois (Racine); Pendleton, George- town, etc., Indiana. Spirifer (Delthyris) octocostatus (Hall). Spirifer octocostatus Hall, 10th Ann. Rep. New York State Cab. Nat. Hist., 1857, p. 62; Pal. New York, 3, 1859, p. 205, pi. 28, figs. 4a-e.— Maynafd, Maryland Geol. Surv., Low. Dev., 1913, p. 401, pi. 68, figs. 25-29. Helderbergian (Keyser): Devil's Backbone, Cash Valley, Cumberland, etc., Maryland; Hyndman,JPennsylvania; Keyser, West Virginia. Spirifer (Delthyris) ohioensis (Grabau). Spirifer vanuxemi Whitfield (not Hall), Ann. New York Acad. Sci., 5, 1891, p. 509, pi. 5, figs. 4, 5; Geol. Ohio, 7, 1893, p. 141, pi. 1, figs. 4, 5. Spirifer ohioensis Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 134, pi. 18, figs. 1-3; pi. 29, figs. 4, 5. Lower Monroan (Put-in-Bay): Put-in-Bay Island, Lake Erie. SPIRIFER OLIGOPTYCHUS Foerste. See Spirifer (Eospirifer) niagarensis oligoptychus. SPIRIFER PETILUS Grabau. See Reticularia bicostata petila. SPIRIFER PLICATELLA var. RADIATA Sowerby. See Spirifer (Eospirifer) radiatus. SPIRIFER PYRAMIDALIS Hall. See Cyrtina pyramidalis. SPIRIFER RACINENSIS McChesney. See Spirifer (Eospirifer) nobilis. Spirifer (Eospirifer) radiatus (Sowerby). Spirifer plicatella var. radiata Sowerby, Min. Conch., 5, 1825, p. 493, figs. 1, 2. Delthyris bialveata Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 261, pi. 14, fig. 17. Delthyris radiata Hall, Geol. New York, Rep. 4th Dist., 1843, p. 105, fig. 2.— Owen, Amer. Jour. Sci., 48, 1845, p. 313, figs. 2, 2b. Spirifer radiata Hall, Pal. New York, 2, 1852; pp. 66, 265, pi. 22, figs. 2d-25 (not 2a-2c=Crytia meta); pi. 54, fig. 6. Spirifera radiata Billings, Canadian Nat. Geol., 1, 1856, p. 135, pi. 2, figs. 2, 3; Geol. Canada, 1863, p. 317, fig. 328.— Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 94.— Hall and Whitfield, 27th Rep. New York State Cab. Nat. Hist., 1875, pi. 9, figs. 17, 18.— Hall, 28th Rep., ibid., 1879, p. 157, pi. 24, figs. 20-30.— White, 2d Ann. Rep. Indiana Bu. of Stat. Geol., 1880, p. 497, pi. 3, figs. 5, 6; 10th Rep. State Geol. Indiana, 1881, p. 129, pi. 3, figs. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1177 Spirifer (Eospirifer) radiatus — Continued. 5, 6.— Hall, llth Rep., ibid., 1882, p. 296, pi. 24, figs. 20-30.— Whitfield, Geol. Wisconsin, 4, 1882, p. 287, pi. 17, figs. 1, 2.— Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 51, figs. 9-13, 26 (714-17).— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 130, pi. 29, figs. 13-16.— Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 313, pi. 5, fig. 6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1028, figs. Spirifer tenuistriatus Shaler (not Hall), Bull. Mus. Com. Zool., 4, 1865, p. 70. Spirifera plicatella Billings, Cat. Sil. Fossils of Anticosti, 1866, p. 48. Spirifera plicatella var. radiata Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 371, pi. 13, figs. 9-11. Spirifer radiatus Emmons, Man. Geol., 1860, p. 109, fig. 99. — Chapman, Canadian Jour., n. s., 8, 1863, p. 212, fig. 220; Expos. Min. Geol. Canada, 1864, p. 116; p. 184, fig. 220.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. p. 77, pi. 6, figs. 9-11.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 13, 35, pi. 21, figs. 5, 9-13, 26 (14-18).— Grabau, Bull. New York State Mus., 45, 1901, p. 198, fig. 116; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 198, fig. 116.— Kindle and Breger, 28th Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 442, pi. 8, figs. 19-23.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 318, figs. 397, 398.— Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 14, pi. 2, fig. 8. Middle Silurian: Europe; New York; Ontario; New Brunswick; Indiana; Ken- tucky; Tennessee; Wisconsin; etc. (Clinton and Niagaran). Pksiotype.—Czt. No. 53218, U.S.N.M. (Nettelroth). Spirifer (Eospirifer) radiatus obsoletus (Foerste). Spirifer radiatus-obsoletus Foerste, Cincinnati Soc. Nat. Hist., 21, 1909, p. 14, pl. 2, fig. 10. Clinton (West Union): Big Salt Lick Creek, Lewis County, Kentucky. Spirifer (Eospirifer?) repertus (Foerste). Spirifer repertus Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 16, pl. 1, Pfigs. 14A, B; pl. 2, fig. 5. Clinton (West Union) : Harin Hill, Lewis County, Kentucky; West Union, Ohio. Spirifer (Eospirifer) rostellum (Hall and Whitfield). Spirifera rostellum Hall and Whitfield, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 182.— Hall, 27th Rep. ibid., 1875, pl. 9, figs. 11-13. Spirifer rostellum Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 129, pl. 29, fig. 25; pl. 27, figs. 17-19. Spirifera (Cyrtia) rostellum Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 313, pl. 5, fig. 5. Niagaran: Louisville, Kentucky (Louisville); Collinsville, Alabama. Plesiotypes.—C&t. No. 51318, U.S.N.M. (Nettelroth). Spirifer (Delthyris?) rugicosta (Hall). Spirifera rugsecosta Hall, Canadian Nat. Geol., 5, 1860, p. 145. — Dawson, Acadian Geol., 3d ed., 1878, p. 596. Delthyris(?) rugicosta Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 208. Silurian (Stonehouse): Arisaig, Nova Scotia. Spirifer (Delthyris) saffordi (Hall). Spirifer saffordi Hall, Pal. New York, 3, 1859, p. 203, pl. 28, fig. 2.— Foerste, Jour. Geol., 11, 1903, p. 710. Niagaran (Brownsport): Decatur County, Tennessee. SPIRIFER SHEPPARDI Castelnau. See Platystrophia acutilirata. 1178 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Spirifer? similior (Winchell and Marcy). Spirifera (Martinia) Bimilior Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1,1865, p. 93. Pentamerus similior Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 397. Niagaran (Racine): Bridgeport, Illinois. SPIRIFER STAMINEA Emmons. See Spirifer (Delthyris) crispus. Spirifer (Delthyris) subsulcatus (Hall). Spirifer subsulcata Hall (not Dalman, 1828), Canadian Nat. Geol., 5, 1860, p. 145. Spirifera subsulcata Dawson, Acadian Geol., 3d ed., 1878, p. 597.— Miller, N. A. Geol. Pal., 1889, p. 376. Silurian (Moydart, Stonehouse): Arisaig, Nova Scotia. STpirifer (Delthyris) sulcatus (Hisinger). Delthyris sulcata Hisinger, Petref . Sueccia, 1837, p. 73, pi. 21, fig. 8.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 208. Spirifer sulcatus Hall, Amer. Jour. Sci., 20, 1849, p. 228; Pal. New York, 2, 1852, p. 261, pi. 54, fig. 2. — Marcou, Geol. Map United States and British Prov., etc., 1853, p. 27, pi. 2, fig. 4.— Billings, Canadian Nat. Geol., 1, 1856, p. 137, pi. 2, fig. 7.— Safford, Geol. Tennessee, 1869, p. 315, figs. 3, 4.— Hall, 2d Ann. Rep. New York State Geol., 1883, pi .60, figs. 1-4.— Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 35, figs. 1-4. Spirifer (Delthyris) sulcatus Grabau, Bull. New York State Mus., 45, 1901, p. 200, fig. 120; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 200, fig. 120.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 319, fig. 401. Spirifera sulcata Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1031, fig. Delthyris rugatina Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 261. Delthyris decemplicatus Hall, Geol. New York, Rep. 4th Dist., 1843, p. 105, fig. 4.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 313, figs. 4, 4a. Spirifer decemplicatus Emmons, Man. Geol., 1860, p. 109, fig1. 99. Spirifera decemplicata Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1005, figs. Middle Silurian: Europe; Lockport, Rochester, etc., New York; Hamilton, Ontario (Clinton). Spirifer (Delthyris) sulcatus submersus (Grabau). Spirifer sulcata mut. submersa Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 136, pi. 18, figs. 4-6. Upper Monroan ( Amherstburg) : Detroit River, opposite Amherstburg, Ontario. Spirifer (Delthyris) swallowensis (Foerste). Spirifer swallowensis Foerste, Jour. Geol., 11, 1903, p. 708; Bull. Sci. Lab. Deni- son Univ., 14, p. 93, pi. 2, fig. 33. Niagaran (Waldron): Swallow Bluff, Tennessee. SPIRIFER TENUISTRIATUS Shaler. See Spirifer (Eospirifer) radiatus. SPIRIFER (CYRTTA) TRAPEZOIDAUS Hall and Whitfield. See Cyrtia exporrecta. • Spirifer trentonensis Emmons. Spirifer trentonensis Emmons, Amer. Geology, 1, pt. 2, 1855, p. 235, pi. 15, fig. 20. Spirifera trentonensis Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1031, fig. Trenton: New York. Observation. — Not recognizable without a restudy of the type specimen. If a Trenton species, probably a Platystrophia, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1179 Spirifer (Delthyris) vanuxemi Hall. Orthis plicata Vanuxem (not Sowerby), Geol. New York, Rep. 3d Disk, 1842, p. 112, fig. 1.— Mather, Nat. Hist. New York Geol., 1, 1843, p. 349, fig. 1. Orthis (Delthyris) plicatus Hall, Geol. New York, 4th Dist., 1843, p. 142, fig. 1. Delthyris plicatus Owen, Amer. Jour. Sci. Arts, 2d ser., 1, 1846, p. 47, fig. 1. Spirifer vanuxemi Hall, Pal. New York, 3, 1859, p. 198, pi. 8, figs. 17-23; 2d Hep. New York State Geol., 1883, pi. 61, fig. 11.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 19, 36, pi. 36, fig. 11.— Whitfield, Geol. Ohio, 7, 1895, p. 411, pi. 1, figs. 4, 5.— Sherzer, Michigan Geol. Surv., 7, pt. 1, 1900, p. 223, pi. 17, figs. 4, 5.— Grabau, Bull. New York State Mus., 69, 1903, p. 1040, fig. 5.— Weller, Geol. Surv. New Jersey, Hep. Pal., 3, 1903, p. 262, pi. 24, figs. 9-12.— Shinier, Bull. New York State Mus., 80, 1905, p. 246.— Grabau, ibid., 92, 1906, p. 114, fig. 24.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 320, fig. 403.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 403, pi. 68, figs. 32, 33. Spirifera vanuxemi Whitfield, Ann. New York Acad. Sci., 5, 1891, p. 509, pi. 5, figs. 4, 5.— Lesley, Geol. Surv. Pennsylvania Rep., P 4, 1889, p. 1032, fig. Cayugan (Maiilius): Albany and Schoharie County, New York; New Jersey; etc. Helderbergian (Keyser): Devil's Backbone, Cash Valley, etc., Maryland; Penn- sylvania; etc. SPIRIFER VANUXEMI Whitfield. See Spirifer (Delthyris) ohioensis. Spirifer (Delthyris) yanuxemi minor (Weller). Spirifer vanuxemi var. minor Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 238, pi. 21, figs. 41, 42. Helderbergian (Decker Ferry) : Two miles south of Tristates, New York. Spirifer (Delthyris) vanuxemi prognosticus (Schuchert). Spirifer vanuxemi var. prognosticua Schuchert and Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 403, pi. 68, figs. 34 and 35; pi. 69, figs. 1-3.— Holte- dahl, Second Arct. Exp. "Fram," 1898-1902, No. 32, 1914, p. 27, pi. 8, fig. 4. Helderbergian: Pinto, near Rawlings and Tonoloway, Maryland (Keyser); South- western Ellesmereland, Arctic America. SPIRIFER VENTRICOSA Hall. See Nucleospira ventricosa. SPIRIFERA of authors. See Spirifer Sowerby. SPIRIFERA DECEMPLICATA Lesley. See Spirifer (Delthyris) sulcatus. SPIRIFERA META Hall. See Cyrtia meta. SPIRIFERA P*LICATELLA Billings. See Spirifer (Eospirifer) radiatus. SPIRIFERA PLICATELLA var. RADIATA Hall. See Spirifer (Eospirifer) radiatus. SPIRIFERA(?) WALDRONENSIS Miller and Dyer. See Mimulus waldronensis. SPIRIGERA D'Orbigny. See Athyris McCoy. SPIROPHYTON Kayser. See Taonurus Fisher. SPIROPHYTON' ARCHIMEDES Ringueberg. See Daedalus archimedes. SPIRORBIS Lamarck. Genotype: Serpula spirorbis Linnaeus. Spirorbis Lamarck, An. sans Vert., 1801, p. 326. — Steininger, Mem. Soc. Geol. France, 1, 1834, p. 358.— McCoy, Syn. Char. Carb. Foss. Ireland, 1844, p. 169.— King, Mon. Permian Foss. England, Pal. Soc., 1850, p. 54.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 566.— McCoy, British Pal. Rocks Foes., 1854, 84243°— Bull. 92— vol 2—15 30 1180 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SPIRORBIS— Continued. p. 131.— Chapman, Expos. Min. Geol. Canada, 1864, p. 132.— Nicholson, Kep. Pal. Proc. Ontario, pt. 1, 1874, p. 121.— Zittel, Handb. Pal., 1, 1879, p. 564.— Etheridge, Geol. Mag., dec. 2, 7, 1880, pp. 110, 171, 215.— Vine, Quart. Jour. Geol. Soc. London, 38, 1882, p. 378.— Waagen, Mem. Geol. Surv. India, Pal. Indica, 13th eer., 1, 1885, p. 814.— Miller, N. A. Geol. Pal., 1889, p. 521.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 148.— Hinde, Zittel-Eastman Textb. Pal., 1, 1900, p. 253; 2d ed., 1913, p. 138.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 235. Spirorbis cincinnationsis Miller and Dyer. Spirorbis cincinnatiensis Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 38, pi. 1, fig. 13.— Hall, Pal. New York, 7, Sup., 1888, p. 17, pi. 115, figs. 1, 2. Maysville: Cincinnati, Ohio, and vicinity. Observation. — Probably based on young coiled specimens of Cornulites. Spirorbis? flexuosus Hall. Spirorbis? flexuosus Hall, Trans. Albany Inst., 4, 1863, p. 224. Niagaran (Waldron): Waldron, Indiana. Observation. — Probably a young coiled specimen of Cornulites. Spirorbis inornatus Hall. Spirorbis inornatus Hall, Trans. Albany Inst., 4, 1863, p. 224; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1875, pi. 31, figs. 14, 15; mus. ed., 1879, p. 181, pi. 31, figs. 14, 15; llth Ann. Rep. Indiana Dept. Geol. Nat. Hist., 1882, p. 327, pi. 32, figs. 14, 15.— Lesley, Geol. Surv. Pennsylvania, Eep. P 4, 1890, p. 1040, figs. Niagaran (Waldron) : Waldron, Indiana; Newsom, Tennessee. Spirorbis laxus Hall. Spirorbis laxus Hall, Pal. New York, 3, 1859, p. 349, pi. 54, figs. 18a-18e.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 84, figs. 44a, b.— Sherzer, Geol. Surv. Michigan, 7, pt. 1, 1900, p. 225.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 201, pi. 15, fig. 12.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 235, fig. 1517. Cayugan (Manlius) : Schoharie, New York. Lower Monroan (Raisin River): Monroe County, Michigan. Spirorbis? lovelandensis James. Spirorbis? Lovelandensis James, Paleontologist, No. 1, 1878, p. 7. Maysville: Loveland, Clermont County, Ohio. Observation. — Probably based on young specimen of Cornulites. Spirula mortoni Troost. Not recognized. Spirula Mortoni Troost, 5th Geol. Rep. Tennessee, 1840, p. 51; ibid., 6th Rep., 1841, p. 179. Niagaran(?): Perry County, Tennessee. SPONGIA INCISO-LOBATA Roemer. See Carpomanon incisolobatum. SPONGIA STELLATIM-SULCATA Roemer. See Carpomanon stellatimsulcatum. SPTROCERAS Hyatt. Genotype: Orthoceras crotalum Hall. Spyroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 276; Zittel-Eastman Textb. Pal., 1, 1900, p. 519; 2d ed., 1913, p. 600.— Graoau and Shimer, N. A. Index Fossils, 2, 1910, p. 63. BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 1181 Spyroceras anellus (Conrad). Orthoceras anellus Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1, 1843, p. 334.— Hall, Pal. New York, 1, 1847, p. 202, pi. 43, figs. 6a-f.— Emmons, Amer. Geol,, 1, pt. 2, 1855, p. 150.— Hitchcock, Geol. Vermont, 1, for 1861, 1862, p. 298, fig. 209.— Meek and Worthen, Geol. Surv. Illinois, 3, p. 318, pi. 3, fig. 3.— Whitfield, Geol. Wisconsin, 4, 1882, p. 226, pi. 7, fig. 13.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 8, 1886, p. 239.— Clarke, Geol. Minnesota, 2, 1897, p. 784, pi. 47, figs. 22, 23.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 3, 1897, p. 213. Spyroceras cf. anellus Ruedemann, Bull. New York State Mus., 49, 1901, p. 39. Spyroceras anellus Whiteaves, Geol. Surv. Canada Pal. FOBS., 3, pt. 4, 1906, p. 344 (gen. ref.).— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 63, fig. 1270. Mohawkian: Mineral Point, Wisconsin; Minnesota; Iowa; Missouri; Canada (Black River); Middleville, New York (Trenton). Spyroceras balteatum (Billings). Orthoceras balteatum Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 1857, p. 318; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 22 (loc. ref.). Richmond (English Head and Charleton): English Head, etc., Anticosti. Spyroceras beauportense (Whiteaves). Orthoceras Beauportense Whiteaves, Ottawa Nat., 12, 1908, p. 118. Spyroceras Beauportense Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4. 1906, p. 323, pi. 33, figs. 2, 2a. Trenton: Beauport, near Quebec, Canada. Spyroceras bilineatum (Hall). Orthoceras bilineatum Hall, Pal. New York, 1 1847, p. 35, pi. 7, figs. 4, 4a; p. 200, pi. 43, figs. 2, 3.— Emmons, Amer. Geol., 1, pt. 2, 1855, p. 149.— Billings, Canadian Nat. Geol., 1, 1856, p. 316, fig. 4; Canadian Nat. Geol., 4, 1859, p. 462 (loc. occ.).— Chapman, Canadian Jour., n. s., 8, 1863, p. 20, fig. 128; p. 200, fig. 193; Expos. Min. Geol. Canada, 1864, p. 128, fig. 128; p. 172, fig. 193.— Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 786, pi. 47, figs. 20, 21; pi. 54, figs. 6, 7.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 169.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1033, pi. 51, figs. 2, 2b. Spyroceras bilineatum Ruedemann, Bull. New York State Mus., 49, 1901, p. 39; Bull. New York State Mus., 90, 1906, p. 449.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 63, fig. 1269. Black River and Trenton: Middleville, etc., New York; Canada; Minnesota; Kentucky; Tennessee; Missouri; etc. Spyroceras bilineatum frankfortense Foerste. Orthoceras (Spyroceras) bilineatum-frankfortensis Foerste, Bull. Sci. Lab. Den- ison Univ., 16, 1910, p. 75, pi. 1, figs. 6a, b. Trenton (Hermitage): South of Glenn Creek, near Frankfort, Kentucky. Spyroceras clintoni (Miller). Orthoceras subarcuatum Hall, Pal. New York, 1, 1847, p. 34, pi. 7, fig. 3 (lower part of drawing). — Billings, Canadian Nat. Geol., 4, 1859, p. 461. Orthoceras clintoni Miller, Amer. Pal. Foss. (1st ed.), 1877, p. 244. (Proposed in place of O. subarcuatum preoccupied.) Spyroceras clintoni Ruedemann, Bull. New York State Mus., 90, 1906, p. 445, pi. 14, fig. 4; pi. 16, figs. 4-7, text fig. 18. Chazyan (Day Point-Valcour) : Chazy, Valcour Islands, etc., New York; Isle La Motte, Vermont. 1182 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Spyroccras ferum (Billings). Orthoceras ferum Billings, Oat. Sil. Foss. AnticostI, Geol. Surv. Canada, 1866, p. 22. Richmond (English Head): Anticosti. Spyroceras jamesi (Hall and Whitfield). Orthoceras Jamesi Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 118, pi. 5, fig. 13.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 551, fig. Orthoceras (Spyroceras) jamesi Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 283, pi. 7, fig. 3; Geol. Sarv. Ohio Pal., 7, 1893, p. 546, pi. 32, fig. 3. Upper Medtnaii (Brassfield): Todds Fork, Clinton County, Ohio. Spyroceras maro (Billings). Orthoceras Maro Billings, Canadian Nat. Geol., 4, 1859, p. 461. Chazyan (Mingan) : Mingan Islands, Quebec. Spyroceras meridionale Whiteaves. Spyroceras meridionale Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 281, pi. 30, fig. 9. Niagaran: Stonewall, Manitoba. Spyroceras subannulatum (D'Orbigny). Cyrtoceras annulatum Hall (not Goldfuss), Pal. New York, 1, 1847, p. 194, pi. 41, figs. 4a-d, 5. — Emmons, Amer. Geology, 1, pt. 2, 1855, p. 147. — Chapman, Canadian Jour., n. s., 8, 1863, p. 22, fig. 132; p. 198, fig. 174; Expos. Min. Geol. Canada, 1864, p. 130, fig. 132; p. 170, fig. 174.— Chamberlin, Geol. Wis- consin, 1, 1883, p. 158, fig. Cyrtoceras subannulatum D'Orbigny, Prodr. Pal., 1, 1849, p. 1. Spyroceras (Cyrtoceras) subannulatum Ruedemann, Bull. New York State Mus., 49, 1901, p. 40. Trenton: Middleville, etc., New York. SQUAMASTER Ringueberg. Genotype: S. echinatus Ringueberg. Squamaster Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 5. — Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 249. Squamaster echinatus Ringueberg. Squamaster echinatus Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 6, pi. 1, fig. 1.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 249. Clinton (Rochester): Lockport, New York; Grimsby, Ontario. STAUROCEPHALITES Hinde. Genotype: S. niagarensis Hinde. Staurocephalites Hinde, Quart. Jcur. Geol. Soc. London, 35, 1879, p. 383.— Miller, N. A. Geol. Pal., 1889, p. 521. Staurocephalites niagarensis Hinde. Staurocephalites niagarensis Hinde, Quart. Jour. Geol. Soc. London, 35, p. 383, pi. 20, 1879, fig. 1. Niagaran? (Cataract?): Toronto, Ontario. STAUROCEPHALUS Barrande. Genotype: Trochurus speciosusyri Bech. Trochurus Beyrich, Ueber einige bohm. Tril., 1845, p. 81; ibid., 2, 1846, p. 10. — Bell and Forbes, Burmeister's Org. Tril., London, Suppl. App., 1846, p. 126. — Beyrich, Neues Jahrb. Min., Geol., Pal., 1846, p. 120.— Hawle and Corda, Abh. d. k. bohmischen Gesell., d. Wiss., 5 (extract), 1847, p. 137, pi. 7, fig. 73.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 70.— Reed, Quart. Jour. Geol. Soc. London, 58, 1902, p. 63. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1183 STAURO CEPHALUS— Continued. Staurocephalus Barrande, Prelim. Not. Syst. Sil. Boheme, 1846, p. 52; Neues Jahrb. Min., Geol., Pal., 1850, p. 779; Syst. Sil. du Centre Boheme, 1, 1852, p. 810.— McCoy, British Pal. Rocks and Fossils, 1854, p. 152.— Salter, Mem. Geol. Surv. United Kingdom, 1864, dec. 11, pi. 5; Mon. British Tril., Pal. Soc., 1865, p. 84.— Angelin, Pal. Scandinavica, 3d ed., Holmiae, 1878, p 67.— Zittel, Handb. Pal., 2, 1885, p. 620.— Koken, Die Leitfossilien, Leipzig, 1896, p. 33, fig. 23, figs. 1, la.— Reed, Geol. Mag., dec. 4, 5, 1898, p. 212.— Raymond, Zittel-Eastmaii Textb. Pal., 2d ed., 1913, p. 725. Staurocephalus murchisoni Barrande. Staurocephalus Murchisoni Barrande, Not. Prel. Sil. Syst. Boheme, 1846, p. 53. — McCoy, British Pal. Rocks and Fossils, 1854, p. 153, pi. IF, fig. 15.— Salter, Mem. Geol. Surv. United Kingdom, dec. 11, 1864, pi. 5, figs. 1-5; Mon. British Tril., Pal. Soc., 1865, p. 84, pi. 7, figs. 13-20 (cites bibliography); Cat. Camb. Sil. Foss., 1873, p. 50.— Roemer, Leth. geog., Leth. Pal., 1, Atlas, 1876, pi. 17, fig. 14.— Van Ingen, School of Mines Quart., 23, 1891, p. 35.— Reed, Quart. Jour. Geol. Soc. London, 52, 1896, p. 425. Silurian: England; St. Clair Springs, Independence County, Arkansas (St. Clair). Staurocephalus obsoletus Weller. Staurocephalus obsoleta Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 1907, p. 270, pi. 24, fig. 15. Niagaran (Racine): Near Lemont, Illinois. STAUROGRAPSUS Emmons. See Staurograptus Emmons. STAURO GRAPTUS Emmons. Genotype: S. dichotomus Emmons. Staurograpsus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 108. Staurograptus Miller, N. A. Geol. Pal., 1889, p. 203.— Elles and Wood, Mon. British Grapt., Pal. Soc., 1903, p. 38.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 612-614.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 27. Jtaurograptus dichotomus Emmons. Staurograpsus dichotomus Emmons, Amer. Geology, 1, 1855, 2, p. 109, pi. 1, fig. 21; Man. Geol., 1860, p. 87, fig. 69. Staurograptus dichotomus Miller, N. A. Geol. Pal., 1889, p. 203, fig. 216.— Ruede- mann, Bull. New York State Mus., 69, 1903, p. 939; Mem. New York State Mus., 7, pt. 1, 1904, pp. 614-617, pi. 2, figs. 1-20; fig. 34, p. 613.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 27, fig. 39. Bryograptus kjerulfi Matthew, Trans. Roy. Soc. Canada, 1891, sect. 4, p. 35. Bryograptus patens Matthew, Roy. Soc. Canada, Trans, and Proc., 10, 4, 1893, p. 17, figs, la, Ic, Id; Trans. New York Acad. Sci., 14, 1895, p. 268, pi. 48, figs. 4, 4b.— Ruedemann, Bull. New York State Mus., 69, 1903, p. 938 (loc. occ.). Bryograptus lentus Matthew, Trans. New York Acad. Sci., 14, 1895, p. 270, pi. 48, figs. 2a, 2b. Clonograptus proximatus Matthew, Trans. New York Acad. Sci., 14, 1895, p. 265, pi. 48, figs, la-d — Ruedemann, Bull. New York State Mus., 69, 1903, p. 938. Staurograptus dichotomus var. apertus Ruedemann, Mem. New York State Mus., 7, 1904, pt. 1, p. 617, pi. 2, figs. 21-24.— Hahn, Ann. New York Acad. Sci., 22, 1912, p. 140. Canadian (Dictyonema flabellifonne beds): Schaghticoke, and other localities in slate belt of Rensselaer and Washington Counties, New York (Schaghticoke); Navy Island, St. John, New Brunswick (Bretonian — Div. C 3c). 1184 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. STAUROGRAPTUS DICHOTOMUS var. APERTUS Ruedemann. See Staurograptus dicho- tomus. STEGANOBLASTUS Whiteaves. See Astrocystites Whiteaves. STEGANOBLASTUS CANADENSIS Wliiteaves. See Astrocystites ottawaensis. STEGERHYNCHUS Foerste. See Camarotcecliia subgenus Stegerhynchus. STELIDIOCRINUS Angelin. Genotype: S. capitulum Angelin. Stelidiocrinus Angelin, Icon. Grin. Suec., 1878, p. 21, pi. 17, figs. 5a-g. — Zittel, Handb. Pal., 1, 1879, pp. 345, 371.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1881, pp. 266-270 (Rev. Pal., pt. 2, pp. 92, 96); ibid., 1885, p. 324; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 297.— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 161.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 148.— Zittel, Grundzuge Pal., 1, 1910, p. 163.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 189. Stelidiocrinus argutus (Walcott). Glyptocrinus argutus Walcott, 35th Rep. New York State Mus. Nat. Hist., 1883, p. 207, pi. 17, fig. 9.— Miller, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 226. Stelidiocrinus argutus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- delphia, 1885, p. 324 (Rev. Pal., pt. 3, pec. 1, p. 102); Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 280, pi. 24, fig. 6. Trenton: Trenton Falls, New York. STELIELLA Hinde. Genotype: S. billingsi Hinde. Steliella Hinde, Canadian Rec. Sci., 3, 1889, p. 395. Stellella billingsi Hinde". Steliella Billingsi Hinde, Canadian Rec. Sci., 3, 1889, p. 396, pi., figs. 1-4. Trenton: Ottawa, Ontario. Steliella crassa Hinde. Steliella crassa Hinde, Canadian Rec. Sci., 3, 1889, p. 397, pi., fig. 5-6. Trenton: Ottawa, Ontario. STELLIPORA Milne-Edwards. See Constellaria Dana. STELLIPORA Hall. Genotype: S. antheloidea Hall. Stellipora Hall, Pal. New York, 1, 1847, p. 79.— D'Orbigny, Prodr. de Pal., 1, 1850, p. 22.— Dybowski (part), Die Chaetetiden d. Ostbaltischen Silur-Form., 1877, p. 42.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, p. 155; ibid., 6, 1883, 1882, p. 263.— Miller, N. A. Geol. Pal., 1889, p. 203.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 374; Zittel's Textb. Pal. (Engl. ed.), 1896, p. 276.— Nicklesand Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 34.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 221; Zittel-Eastman Textb. Pal., 1913, p. 334. Stellipora antheloidea Hall. Stellipora antheloidea Hall, Pal. New York, 1, 1847, p. 79, pi. 26, figs. 10a-c.— Emmons, Amer. Geology, 1, pt. 2, pi. 7, fig. 10. — Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 263, pi. 14, figs. 1, la.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1890, p. 1047, figs.— Sardeson, Jour. Geol., 9, 1901, p. 13. Monticulipora (Constellaria) antheloidea (in part,) James and James, Jour. Cin- cinnati Soc. Nat. Hist., 11, p. 31. Trenton: Lowville, etc., New York; Ottawa, Ontario. Plesiotype.— Cat. No. 43710, U.S.N.M. (Ulrich). STELLIPORA ANTHELOIDEA D'Orbigny. See Constellaria fiorida. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1185 STELLIPORA LIMITARIS Ulrich. See Constellaria limitaris. STELLIPORA POLYSTOMELLA Miller. See Constellaria polystomella. STENASTER Billings. Genotype: S. salteri Billings. Stenaster Billings, Geol. Surv. Canada, dec. 3, 1858, p. 77.— Chapman, Canadian Jour., n. s., 6, 1861, p. 517; Expos. Min. Geol. Canada, 1864, p. 111.— Miller, N. A. Geol. Pal., 1889, p. 282.— Sturtz, Palseontographica, 36, 1890, p. 220.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 18, 1895, pp. 126, 135.— Gregory, Geol. Mag., dec. 4, 6, 1899, p. 352.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 163. Urasterella Sturtz (not McCoy), Vern. naturh. Ver. preuss. Rheinl., etc., 50, 1893, pp. 40, 41, 56. STENASTER Billings (part). See Urasterella McCoy. Stenaster salteri Billings. Stenaster Salteri Billings, Geol. Surv. Canada, dec. 3, 1858, p. 78, pi. 10, figs, la, Ib. — Chapman, Canadian Jour., n. s., 6, 1861, p. 517. — Wright, Mon. British FOBS. Echinod., Oolitic, 2, pt. 1 (Pal. Soc.), 1862, p. 28, fig. 15 (2) on p. 24.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 572, fig. 1910.— Springer, Mem. Geol. Surv. Canada, 15 P, 1911, p. 45 (loc. occ.).— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 165, pi. 32, fig. 1. Trenton (Curdsville) : Belleville, Ottawa, and Kirkfield, Ontario; Curdsville, Kentucky. STENOCHISMA Conrad. See Bhynchotrema Hall. STENOCISMA Hall. See Zygospira Hall. STENOCRINUS Wachsmuth and Springer. See Heterocrinus Hall. STENOCRINUS BELLEVILLENSIS Wachsmuth and Springer. See Ohiocrinus belle- villensis. STENOPORA Lonsdale. Genotype: S. tasmaniensis Lonsdale. Stenopora Lonsdale, Darwin's Volcanic Islands, 1844, Appendix, p. 161; Strze- lecki's Physical Description New South Wales, 1845, p. 262; Geol. Bussia and Ural Mountains, 1, 1845, p. 631.— King, Mono. Perm. Foss. England, 1850, p. 28.— McCoy, British Pal. Foss., 1852, p. 24.— Eichwald, Lethaea Bossica, 1, 1860, p. 414.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 368.— Dybow- ski, Verh. d. k. Min. Ges. St. Petersburg, ser. 2, 10, 1876, p. 180.— Nicholson and Etheridge, jr., Ann. Mag. Nat. Hist., ser. 5, 4, 1879, p. 265.— Nicholson, Pal. Tabulate Corals, 1879, p. 168.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 154. — Nicholson and Etheridge, jr., Ann. Mag. Nat. Hist., ser. 5, 17, 1886, pp. 173-187.— Waagen and Wentzel, Pal. Indica, ser. 13, 1886, pp. 875, 885.— Foerste, Bull. Sci. Lab. Denison Univ., 2, 1887, p. 85.— Miller, N. A. Geol. Pal., 1889, p. 203.— Ulrich, Geol. Surv. Illinois, 8, 1890, pp. 375, 436; Zittel's Textb. Pal. (Engl. ed.), 1896, p. 105.— Ulrich, Zittel's Textb. Pal. (Engl. ed.), 1896, p. 277. —Simpson, 14th Ann. Bep. State Geol. New York for 1894, 1897, p. 583.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 134.— Bassler, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 335. Tabulipora Young, Ann. Mag. Nat. Hist., ser. 5, 12, 1883, p. 154. Tubuliclidia Lonsdale, Bull. Soc. Geol. France, ser. 2, 1, 1844, p. 497; MHrchison's Geol. Bussia, 1845, pp. 221, 631. 1186 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stenopora adherens Billings. Not recognizable. Stenopora adherens Billings, Canadian Nat. Geol., 4, 1859, p. 427. Chazyan: Mingan Islands, Canada. STENOPORA BULBOSA Billings. See Cyphotrypa bulbosa. STENOPORA HURONENSIS Billings. See Stromatocerium huronense. Stenopora fibrosa of authors (not Goldfuss). Stenopora fibrosa Billings, Canadian Nat. Geol., 4, 1859, p. 346. — Chapman, Cana- dian Jour., n. s., 6, 1861, p. 509, fig. 73; ibid., 8, 1863, p. 195, fig. 165a; p. 198, fig. 177.— Billings, Geol. Canada, 1863, p. 156, fig. 116; Geol. Canada, Geol. Surv. Canada, 1863, p. 124, fig. 45. — Chapman, Expos. Min. Geol. Canada, 1864, p. 103, fig. 73; p. 167, fig. 165a; p. 170, fig. 177.— Billings, Catal. Sil. Foss. Anticosti, 1866, p. 32.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 369. Ordovician: Various localities. Observation. — The above citations are to various unidentified ramose bryozoa. Stenopora(?) incrustans Ulrich and Bassler. Stenopora(?) incrustans Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 275, pi. 42, figs. 11-16; pi. 44, fig. 6. Helderbergian (Keyser): Cash Valley and Pinto, Maryland. Cotypes.—Czt. No. 53649, U.S.N.M. STENOPORA LIBANA Safford. See Batostoma libana. STENOPORA LYCOPERDON Miller. See Chaetetes lycoperdon. STENOPORA MAMMULATA Billings. See Ptilodictya magnifica. Stenopora patula Billings. Not recognizable. Stenopora patula Billings, Canadian Nat. Geol., 4, 1859, p. 427. Chazyan: Island of Montreal and Mingan Islands, Canada. STENOTHECA (Salter) Hicks. Genotype: S. cornucopia Salter. Stenotheca (Salter) Hicks, Quart. Jour. Geol. Soc., 28, 1872, p. 180.— Salter, Cat. Camb. Sil. Foss., 1873, p. 8 (nom. mid.).— Geol. Mag., dec. 3, 2, 1885, p. 425 — Walcott, Bull. U. S. Geol. Surv., 30, 1886, p. 128.— Matthew, Trans. Royal Soc. Canada, 3, sec. 4, 1886, p. 56.— Miller, N. A. Geol. Pal., 1889,' p. 392.— Mat- thew, Trans. Royal Soc. Canada, 8, sec. 4, 1891, p. 132; Trans. New York Acad. Sci., 15, 1896, p. 200.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 822, 842.— Berkey, Amer. Geol., 21, 1898, p. 278.— Pilsbry, Zittel- Eastman Textb. Pal., 1, 1900, p. 460.— Grabau, Occ. Papers Boston Soc. Nat. Hist., 4, 1900, p. 636.— Dall, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 530. STENOTHECA DUBIA Whitfield and Hovey. See Archinacella deformata. Stenotheca exserta (Sardeson). Tryblidium exsertum Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 337, pi. 6, figs. 3, 4. f Stenotheca exserta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 842, pi. 82, figs. 11-15. Black River (Platteville): Minneapolis, Minnesota; Beloit, Wisconsin. STENOTHECA UNGUIFORMIS Ulrich. See Vallatotheca unguiformis. STEPHANELLA Hinde. Genotype: S. sancta Hinde. Stephanella Hinde, Geol. Mag., dec. 3, 8, 1891, p. 23.— Dawson, Trans. Royal Soc. Canada, 2d eer., 2, sec. 4, 1896, p. 116. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1187 Stephanella hindii Dawson. Steplianella hindii Dawson, Trans. Royal Soc. Canada, 2d ser., 2, sec. 4, 1896, p. 116, fig. 27-29. Canadian? (Levis?): Metis, Quebec. Stephanella sancta Hinde. Stephanella sancta Hinde, Geol. Mag., dec. 3, 8, 1891, p. 23, fig. Trenton (Collingwood) : Ottawa, Ontario. STEPHANOCRINUS Conrad. Genotype: S. angulatus Conrad. Stephanocrinus Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 278. — Roemer, Archiv fur Naturgeschichte, Jahrg., 16, 1, 1850, pp. 365, 366, 373.— Hall, Pal. New York, 2, 1852, pp. 212, 355.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 304.— Allman, Trans. Royal Soc. Edinburgh, 23, 1864, p. 248, fig. 4.— Beyrich, Ann. Mag. Nat. Hist., 4th ser., 7, 1871, p. 409.— Zittel, Handb. Pal., 1, 1879, p. 436.— Etheridge and Carpenter, Ann. Mag. Nat. Hist., 5th ser., 11, 1883, p. 237.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1887, pp. 92, 93, 96, 97, 98-113.— Miller, N. A. Geol. Pal., 1889, p. 283.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 145. — Weller, Bull. Chicago Acad. Sci. Nat. Hist. Surv., 4, pt. 1, 1900, p. 150, fig. 56; p. 46.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 137.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 153; Bull. New York State Mus., 45, 1901, p. 153.— Slocom, Field Columbian Mus., 2, Geol. Ser., 1908, p. 281, fig. 4.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 499. — Springer, Zittel- Eastman Textb. Pal., 2d ed., 1913, p. 207. Stephanocrinus angulatus Conrad. Stephanocrinus angulatus Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 279, pi. 15, fig. 18. — Roemer, Archiv fur Naturgeschichte, Jahrg., 16, 1, 1850, p. 365, footnote; pi. 5, figs. 1-6; Zeits. d. d. geol. Gesell., 2, 1850, p. 14.— Hall, Pal. New York, 2, 1852, p. 212, pi. 48, figs, la-m; p. 351, pi. 85, figs. 1-4.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 304, pi. 99, fig. 23.— Roemer, Leth. geog., 1, Leth. Pal., Atlas, 1876, pi. 11, fig. 5a.— Zittel, Handb. Pal., 1, 1879, p. 436, fig. 310.— Etheridge and Carpenter, Blastoidea British Mus., 1886, pi. 19, figs. 8-12.— Wachsmuth and Springer, Proc. Acad. Nat. Sci., Phil- adelphia, 1887, pp. 99, 113, pi. 4, fig. 3.— Miller, N. A. Geol. Pal., 1889, p. 283, text fig. 433.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 97, fig. 2.— Grabau, Bull. New York State Mus., 45, 1901, p. 154, fig. 48; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 154, fig. 48.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 499, fig. 1808-1809. Clinton (Rochester): Lockport, Rochester, etc., New York; Grimsby, Ontario. Stephanocrinus cornetti Miller, Stephanocrinus cornetti Miller, 18th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1894, p. 266, pi. 2, figs. 10-12 (Adv. sheets, 1892, p. 12, pi. 2, figs. 10-12). Clinton (Osgood): Madison, Indiana. Stephanocrinus deformis Rowley. Stephanocrinus deformis Rowley, in Greene's Cont. Indiana Pal., 11, 1903, p. 103, pi. 32,^ figs. 22, 23. Clinton (Osgood): Big Creek, near Big Creek Post OflSce, Jefferson County, Indiana. Kephanocrinus elongatus Miller. Stephanocrinus elongatus Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 634, pi. 6, fig. 5 (adv. sheets, 1891, p. 24). Clinton (Osgood): Near Madison, Indiana. 1188 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stephanocrinus gemmiformis Hall. Stephanocrimis gemmiformis Hall, Pal. New York, 2, 1852, p. 215, pi. 48, figs. 2a-i; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 14, figs. 15-20; mus. ed., 1879, p. 146, pi. 14, figs. 15-20; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 279, fig.; pi. 13, figs. 15, 20.— Chamberlin, Geol. Wisconsin, I, 1883, p. 191, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1062, figs.— Grabau, Bull. New York State Mus., 45, 1901, p. 155, fig. 49; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 155, fig. 49.— Rowley, in Greene's Cont. Indiana Pal., 11, 1903, p. 104, pi. 32, figs. 24, 25. Clinton (Rochester): Lockport, etc., New York; Grimsby, Ontario. Niagaran: Waldron, Indiana; Newsom, Tennessee (Waldron); ?Wisconsin (Racine). Stephanocrinus hammelli Miller. Stephanocrinus hammelli Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 635, pi. 6, figs. 7, 8, 9 (Adv. sheets, 1891, p. 25); N. A. Geol. Pal., 2d App., 1897, p. 752, fig. 1395.— Rowley in Greene's Cont. Indiana Pal., 11, 1902, p. 104, pi. 32, figs. 28-30. Clinton (Osgood): Near Big Creek Post Office, Jefferson County, Indiana. Stephanocrinus obconicus Slocom. Stephanocrinus obconicus Slocom, Field Columbian Mus., Geol. Ser., 2, 1908, p. 281, pi. 84, figs. 12, 13. Niagaran (Racine): Romeo, Illinois. Stephanocrinus obpyramidalis Miller. Stephanocrinus obpyramidalis Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 634, pi. 6, fig. 6 (Adv. sheets, 1891, p. 24.). Clinton (Osgood) : Near Madison, Indiana. Stephanocrinus osgoodensis Miller. Stephanocrinus osgoodensis Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 116, pi. 10, figs. 7, 7a; 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 632, pi. 6, figs. 1-4 (adv. sheets, 1891, p. 22); N. A. Geol. Pal., 2d App., 1897, p. 753, fig. 1396.— Weller, Bull. Chicago Acad. Sci. Nat. Hist. Surv., 4, pt. 1, 1900, p. 151, pi. 15, fig. 14.— Rowley, in Greene's Cont. Indiana Pal., II, 1903, p. 104, pi. 32, figs. 26, 27. Codaster osgoodensis Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadel- phia, 1886, p. 217. Clinton (Osgood) : Osgood and Big Creek Post Office, Jefferson County, Indiana. ?Niagaran (Racine) : Romeo, Illinois. Stephanocrinus pentalobus (Hall). Codaster pentalobus Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 280, pi. 15, fig. 16.— Hall, Trans. Albany Inst., 10, 1883, p. 69. Stephanocrinus pentalobus Miller, N. A. Geol. Pal., 1889, p. 283. Niagaran (Waldron): Waldron, Indiana. Stephanocrinus pulchellus (Miller and Dyer). Codaster pulchellus Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 35, pi. 2, figs. 13, 13a.— Hambach, Trans. Acad. Sci., St. Louis, 13, 1903, p. 48. Codaster (Stephanocrinus?) pulchellus Hall, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 280, pi. 15, figs. 8-10; Trans. Albany Inst., 10, 1883, p. 68. Stephanocrinus pulchellus Etheridge and Carpenter, Ann. Mag. Nat. Hist., 5th ser., 11, 1883, p. 241 (gen. ref.).— Miller, N. A. Geol. Pal., 1889, p. 283, fig. 434. Niagaran (Waldron): Waldron, Indiana. BIBLIOGRAPHIC LIST OP GENERA AND SPECIES. 1180 Stephanocrinus quinquepartitus Rowley. Stephanocrinus quinquepartitus Rowley in Greene's Cont. Indiana Pal., 11, 1903, p. 105, pi. 32, figs. 31-33. Clinton (Osgood): Big Creek, near Big Creek Post Office, Jefferson County, Indiana. Stephanocrinus sklffl Slocom. Stephanocrinus skiffi Slocum, Field Columbian Mus. , Geol. Ser. , 2, 1908, p. 282, pi. 84, figs. 16-20. Niagaran (Racine): Chicago Drainage Canal, near Lemont, Illinois. Stephanocrinus tennesseensis Foerste. Stephanocrinus tennesseensis Foerste, Jour. Geol., 11,1903, p. 708; Bull.Sci. Lab. DenisonUniv., 14, 1909, p. 99, pi. 1, fig. 4A, B. Niagaran (Waldron): Iron City, Clifton, Swallow Bluff, etc., Tennessee. STEPHANOGRAPTUS Geinitz. See Nemagraptus Emmons. STEPHANOGRAPTUS CRASSICAULIS Gurley. See Nemagraptus gracilis crassicaulis. STEPHANOCRINUS SURCULARIS Walcott. See Nemagraptus gracilis surcularis. •STICTOPORA Hall. Genotype: S. elegantula Hall. Stictopora Hall, Pal. New York, 1, 1847, p. 73.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, pp. 47, 411. Stictopora (in part) Hall, 28th Ann. Rep. New York State Mus., 1879, p. 122; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 247.— Miller, N. A. Geol. Pal., 1889, p. 323.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 605. Not Stictopora Eichwald, Ulrich, Hall and Simpson, and others. STICTOPORA Ulrich (1882). See Rhinidictya Ulrich. STICTOPORA ACUTA Ulrich. See Pachydictya acuta. STICTOPORA BASALIS Ulrich. See Rhinidictya basalis. STICTOPORA BIPURCATA Hall. See Pachydictya bifurcata. STICTOPORA CLATHRATULA James. See Escharopora pavonia. STICTOPORA COMPRESSA Hall. See Phsenopora magna. STICTOPORA CRASSA Hall. See Pachydictya crassa. STICTOPORA DICHOTOMA Whitfield. See Thamniscus dichotomus. Stictopora elegantula Hall. Stictopora elegantula Hall, Pal. New York, 1, 1847, p. 75, pi. 26, figs. 4a-g.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 153, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1064, figs.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 13. Ptilodictya elegantula Emmons, Amer. Geology, 1, pt. 2, 1855, p. 205, pi. 7, fig. 4a-g. Trenton: Middleville, Trenton Falls, etc., New York. STICTOPORA FENESTRATA Hall. See Rhinidictya fenestrata. STICTOPORA FIDELIS Ulrich. See Rhinidictya fidelis and R. trentonensis. STICTOPORA FRAGILIS Whitfield. See Dicranopora fragilis. 1190 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stictopora? glomerata Hall. Stictopora glomerata Hall, Pal. New York, 1, 1847, p. 17, pi. 4, fig. 5. Clathropora glomerata Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, pt. 1, 1898, p. 26 (gen. ref.). Chazyan: Granville, Vermont. Stictopora gramlnifolia Ringueberg. Recognizable? Stictopora graminifolia Ringueberg, Proc. Acad. Nat. Sci. Philadelphia, 1884, p. 147, pi. 2, fig. 4. Niagaran (Lockport — Gasport member): Gasport, New York. Stictopora? (Phyllodictya?) labyrinthica Hall. Stictopora labyrinthica Hall, Pal. New York, 1, 1847, p. 50, pi. 12, figs. 8a, b, and woodcut on p. 50. — Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1890, p. 1067, figs. Ptilodictya labyrinthica Emmons, Amer. Geology, 1, pt. 2, 1855, p. 205, pi. 4, figs. 14, 18, 22. Black River: Chazy and Watertown, New York (Lowville). STICTOPORA MAGNA Hall and Whitfield. See Phaenopora magna. STICTOPORA MULTIFIDA Hall. See Phsenopora multifida. STICTOPORA MUTABILIS Ulrich. See Rhinidictya mutabilis. STICTOPORA MUTABILIS var. MAJOR. See Rhinidictya mutabilis major. STICTOPORA MUTABILIS var. MINOR Ulrich. See Rhinidictya mutabilis. STICTOPORA OBLIQUA Ringueberg. See Ptilodictya obliqua. STICTOPORA ORBIPORA Hall. See Stictotrypa orbipora. STICTOPORA OVATIPORA Miller. See Stictotrypa similis. STICTOPORA PAUPERA Ulrich. See Rhinidictya paupera and R. neglecta. STICTOPORA PUNCTIPORA Hall. See Stictotrypa punctipora. Stictopora? ramosa Hall. Stictopora ramosa Hall, Pal. New York, 1, 1847, p. 51, pi. 12, figs. 6, 7, 7a, and woodcut on p. 51.— Hitchcock, Geol. Vermont, 1, 1861, p. 290, fig. 189.— Emerson, Narrative Hall's Sec. Arctic Exped., U. S. Navy Dep., 1879, p. 577.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1069, figs. Ptilodictya ramosa Emmons, Amer. Geology, 1, pt. 2, 1855, p. 205, pi. 4, fig. 1, la, 14; pi. 7, figs. 7, 7a. Black River (Lowville): Watertown, New York. STICTOPORA RARIPORA Hall. See Nematopora raripora. STICTOPORA SCALPELLUM Eichwald. See Pachydictya bifurcata. STICTOPORA SCITULA Hall and Simpson. See Pachydictya crassa. STICTOPORA SHAFFERI Lesley. See Arthropora shafferi. STICTOPORA SIMILIS Hall. See Stictotrypa similis. STICTOPORA VANCLEVII Hall. See Phaenopora fimbriata. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1191 STICTOPORELLA Ulrich. Genotype: S. interstincta Ulrich Stictoporella Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, pp. 152, 169.— Miller, N. A. Geol. Pal., 1889, p. 325.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 394; Geol. Minnesota, 3, 1893, p. 179.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 14.— Ulrich, ZittePs Textb. Pal. (Engl. ed.), 1896, p. 279.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 535.— Nicklesand Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 46.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 157.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 756.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 127; Zittel-Eastman Textb. Pal., 1913, p. 345. Micropora Eichwald (not Gray, 1848), Bull. Soc. Nat. Moscow, No. 4, 1855, p. 457; Lethsea Rossica, 1, 1860, p. 393. Stictoporella angularis Ulrich. Stictoporella angularis Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1886, p. 71; Geol. Minnesota, 3, 1893, p. 182, pi. 11, figs. 1-3, 6, 8-11. Black River (Decorah) : Minneapolis, St. Paul, Goodhue, and Fillmore Counties, Minnesota. Cotypes.— Cat. No. 43470, U.S.N.M. Stictoporella angularis intermedia Ulrich. Stictoporella angularis var. intermedia Ulrich, Geol. Minnesota, 3, 1893, p. 183, pi. 11, figs. 4, 5, 7. Black River (Decorah): Minneapolis, Fountain, Lanesboro, and Preston, Minne- sota; Decorah, Iowa. Cotypes.— Cat. No. 44101, U.S.N.M. Stictoporella cribrosa Ulrich. Stictoporella? cribrosa Ulrich, llth Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1886, p. 69; Geol. Minnesota, 3, 1893, p. 184, pi. 10, figs. 21-25, pi. 11, figs. 22, 23.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, fig. 93 (p. 536).— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 157, fig. 208h.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 128-130, pi. 7, fig. 4; figs. 52, 53; Zittel-Eastman Textb. Pal., 1913, p. 344, fig. 504c, d. Black River (Decorah): Minneapolis and St. Paul, Minnesota. Middle Ordovician (Wassalem): Uxnorm, etc., Esthonia, Russia. Cotypes.— Cat. No. 43471, U.S.N.M. STICTOPORELLA CRIBROSA Sardeson. See Graptodictya proava. Stictoporella dumosa Ulrich. Stictoporella dumosa Ulrich, Geol. Minnesota, 3, 1893, p. 181. Black River (Decorah) : St. Paul, Minnesota. Cotypes.— Cat. No. 43613, U.S.N.M. STICTOPORELLA? EXCELLENS Ulrich. See Phsenopora excellens. Stictoporella exigua Ulrich. Stictoporella exigua Ulrich, Geol. Minnesota, 3, 1893, pi. 13, figs. 18-21. Trenton: Montreal, Quebec. Cotypes.— Cat. No. 43612, U.S.N.M. STICTOPORELLA FLABELLATA Nickles and Bassler. See Graptodictya proava. Stictoporella flexuosa (James). Ptilodictya flexuosa James, Paleontologist, No. 1, 1878, p. 4. Stictoporella flexuosa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 169. — , Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 417.— Bassler Proc. U. S. Nat. Mus., 30, 1906, p. 54. 1192 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stictoporella flexuosa — Continued. Stictoporella interstincta Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 169, pi. 8, figs. 9, 9a.— Miller, N. A. Geol. Pal., 1889, figs. 520, 521 (p. 325).— Ulrich, Geol. Surv. Illinois, 8, 1890, fig. 14a, b (p. 394). Eden (Economy): Cincinnati, Ohio, and vicinity. PUsiotype.—Q&t. No. 43722, U.S.N.M. (holotype of S. interstincta). Stictoporella frondifera Ulrich. Stictoporella frondifera Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Snrv. Minnesota, 1886, p. 72; Geol. Minnesota, 3, 1893, p. 183, pi. 11, figs. 12-19. Black River (Decorah): Minneapolis, St. Paul, Preston, Fountain, etc., Minne- sota. .— Cat. No. 32472, U.S.N.M. STICTOPORELLA INTERSTINCTA Ulrich. See Stictoporella flexuosa. Stictoporella rigid a Ulrich. Stictoporella rigida Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 188, fig. 13; Geol. Minnesota, 3, 1893, p. 180, pi. 11, figs. 20, 21. Black River (Decorah): Fountain, St. Paul, and Cannon Falls, Minnesota. Holotype.— Cat. No. 43723, U.S.N.M. STICTOTRTPA Ulrich. Genotype: S. similis Hall. Stictotrypa Ulrich, Geol. Surv. Illinois, 8, 1890, p. 393; ZittePsTextb. Pal. (Engl. ed.), 1896, p. 279.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 54.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 61.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 166. Stictotrypa orbipora (Hall). Stictopora orbipora Hall, Trans. Albany Inst., 10, 1883, p. 61 (abstract, 1879, p. 5); llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 248. Stictotrypa orbipora Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 418. Niagaran (Waldron): Waldron, Indiana. Stictotrypa punctipora (Hall). Stictopora punctipora Hall, Pal. New York, 2, 1852, p. 157, pi. 40B, figs. 2a-c.— Miller, N. A. Geol. Pal., 1889, fig. 519 (p. 324). Stictotrypa punctipora Ulrich, Geol. Surv. Illinois, 8, 1890, fig. 13a (p. 394).— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 61, pi. 22, figs. 7-11; pi. 24, figs. 26, 27.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 166, fig. 214k. Clinton (Rochester): Lockport, Rochester, and Niagara Falls, New York; Grims- by, Hamilton, and Thorold, Ontario. Plesiotypes— Cat. Nos. 35776, 35758, U.S.N.M. Stictotrypa similis (Hall). Stictopora similis Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 11, figs. 13-16; ibid., mus. ed., 1879, p. 122, pi. 11, figs. 13-16; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 247, pi. 10, figs. 13-16.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1070, figs. Stictotrypa similis Ulrich, Geol. Surv. Illinois, 8, 1890, fig. 13b, c (p. 394). Stictopora ovatipora (not of Hall) Miller, N. A. Geol. Pal., 1889, fig. 518 (p. 324). Niagaran (Waldron): Waldron, Indiana. Pksiotype—G&t. No. 43326, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1193 STIGMATELLA Ulrich and Bassler. Genotype: S. crenulata Ulrich and Bassler. Stigmatella Ulrich and Bassler, Smiths. Misc. Coll., 47, 1904, pp. 24, 33.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 27, 28.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 756.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 210, 211. Stigmatella alcicornis Cumings and Galloway. Stigmatella alcicornis Cumings and Galloway, 37th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1913, p. 84, pi. 18, figs. 1-le. Maysville (Fairmount): Big Four Railroad, near Guilford, Indiana. Stigmatella catenulata Cumings and Galloway. Stigmatella catenulata Cumings and Galloway, 37th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1913, p. 85, pi. 19, figs. 1-lc. Richmond (Arnheim): Big Four Railroad, near Harmon's Station, Indiana. Stigmatella claviformis (Ulrich). Leptotrypa claviformis Ulrich, Geol. Minnesota, 3, 1893, p. 319, pi. 27, figs. 20, 21. Stigmatella claviformis Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 217, fig. 119. Black River (Decorah): Minneapolis and St. Paul, Minnesota. Middle Ordovician (Wassalem): Uxnorm, Esthonia, Russia. Cotypes.— Gat. No. 43611, U.S.N.M. Stigmatella clavis (Ulrich). Leptotrypa clavis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 161, pi. 6, figs. 3, 3a. Stigmatella clavis Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 34, pi. 10, fig. 4. — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 881, pi. 24, figs. 2, 2a; pi. 25, fig. 3. Eden (Economy-McMicken): Cincinnati, Ohio, and vicinity. Cotypes and plesiotypes.—Csit. Nos. 43718, 44060, U.S.N.M. Stigmatella crenulata Ulrich and Bassler. Stigmatella crenulata Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 34, pi. 9, figs. 1-4; pi. 14, figs. 1, 2.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 882, pi. 24, fig. 4-4d. Richmond (Waynesville): Hanover, Waynesville, Clarksville, etc., Ohio. Cotypes.— -Cat. No. 43197, U.S.N.M. Stigmatella dychei (James). Monticulipora (Monotrypa) dychei James, Paleontologist, No. 6, 1882, p. 52. Monticulipora dychei James, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 235, pi. 10, figs. 2-2e.— James and James, ibid., 11, 1888, p. 25.— J. F. James, ibid., 18, 1895, p. 83. Leptotrypa? dychei Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 298. Stigmatella dychei Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 34, pi. 10, fig. 11.— Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 54, pi. 3, figs. 8-10. Maysville (Mount Auburn): Lebanon, etc., Ohio. Pleviotype.—C&t. No. 44059, U.S.N.M. Stigmatella globata Bassler. Stigmatella globata Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 28, pi. 14, figs. 6-9. Clinton (Rochester): Lockport and Rochester, New York. Holotype.—Gzt. No. 35769, U.S.N.M. 1194 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stigmatella incrustans Cumings and Galloway. Stigmatella incrustans Cumings and Galloway, 37th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1913, p. 86, pi. 19, fig. 2; pi. 20, figs. 1, la. Richmond (Liberty): Big Four Railroad, near Weisburg, Indiana. Stigmatella interporosa Ulrich and Bassler. Stigmatella interporosa Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 35, pi. 12, figs. 4, 5. Richmond (Waynesville): Hanover, Ohio. Cotypes—Cat. No. 43202, U.S.N.M. Stigmatella irregularis (Ulrich). Chsetetes irregularis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 129, pi. 12, figs. 10-10b. Monticulipora (Monotrypa) irregularis Nicholson, Genus Monticulipora, 1881, p. 177, fig. 35. Monotrypa irregularis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 256. Monticulipora irregularis James and James, ibid., 10, 1888, p. 163. — J. F. James, ibid., 15, 1893, p. 159. Leptotrypa? irregularis Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 298. Stigmatella irregularis Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 34, pi. 10, figs. 5, 6; pi. 14, figs. 6-8.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 883, pi. 25, figs. 2, 2a. Maysville (Bellevue): Hamilton, Morrow, Mason, and Cincinnati, Ohio. Cotypes—Cat. No. 43719, U.S.N.M. Stigmatella naua Ulrich and Bassler. Stigmatella nana Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 36, pi. 10, figs. 7-10; pi. 14, figs. 11, 12. Eden (Economy) : Covington, Kentucky, and vicinity. Cotypes.—Cat. No. 43203, U.S.N.M. Stigmatella nicklesi Ulrich and Bassler. Stigmatella nicklesi Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 36, pi. 10, figs. 1-3; pi. 14, figs. 9, 10. Maysville (Fairmount): Cincinnati, Ohio, and vicinity. Cotypes.—Cat. No. 43204, U.S.N.M. Stigmatella personata Ulrich and Bassler. Stigmatella personata Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 35, pi. 12, figs. 1-3.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 884, pi. 24, figs. 3, 3d. Richmond (Waynesville) : Hanover, Ohio. Holotype—C&t. No. 43201, U.S.N.M. Stigmatella sessilis Cumings and Galloway. Stigmatella sessilis Cumings and Galloway, 37th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1913, p. 87, pi. 19, fig. 3; pi. 20, figs. 2-2b. Maysville (Fairmount): Big Four Railroad, near Manchester Station, Indiana. Stigmatella spinosa Ulrich and Bassler. Stigmatella spinosa Ulrich and Bassler, Smiths. Misc. Coll., Quart., 47, 1904, p. 34, pi. 9, figs. 5-8.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 884, pi. 25, figs. 1, Id. Richmond: Versailles, Indiana. Holotype.—Czt. No. 43200, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1195 STOMATIA AURIFORMIS Emmons. See Diaphorostoma auriforme. STOMATOPORA Bronn. Genotype: Alecto dichotoma Lamouroux. Alecto Lamouroux, 1821, Blainville, Johnston, Milne-Edwards, Busk, and others (not Alecto Leach, 1814, a genus of Echinodermata). Aulopora (in part) Goldfuss, Reuss, Hall, Nicholson. Stoinatopora Bronn, Pflanzenth., 1825, p. 27. — D'Orbigny, Pal. Francais, Terr. Cret., 5, 1854, p. 833.— Haime, Bry. Foes. Form. Juras., 1854, p. 159 (extra ed., p. 3).— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 142.— Zittel, Handb. Pal., 1, 1880, p. 598.— Hincks (part) British Marine Polyz., 1880, p. 424.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 149.— Vine, Geol. Mag., dec. 2, 8, 1881, p. 514; Rep. 51st Meeting British Assoc. Adv. Sci., 1882, p. 171; Rep. 53d Meeting British Assoc. Adv. Sci., 1884, p. 185; Proc. Yorkshire Geol. Polyt. Soc., 9, 1887, p. 186.— Miller, N. A. Geol. Pal., 1889, p. 325.— Ulrich, Geol. Surv. Illinois, 8, 1890, p. 367; Geol. Minnesota, 3, 1893, p. 115; Zittel's Textb. Pal. (Eng. ed.) 1896, p. 260.— Simpson, 14th Rep. State Geol. New York, 1897, p. 597.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 20.— Cumings, Amer. Jour. Sci., 4th ser., 17, 1904, p. 75, fig. 81. — Hennig, Archiv. fur Zool., K. Sven. Vet.-Akad. Stockholm, 3, No. 10, 1906, p. 24.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 14.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 118.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 757.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 59, 60. STOMATOPORA (part) of authors. See Corynotrypa Bassler. Stoinatopora arachnoidea (Hall). Aulopora arachnoidea Hall, Pal. New York, 1, 1847, p. 76, pi. 26, figs. 6a-c, and woodcut on p. 76.— Nicholson, Pal. Ohio, 2, 1875, p. 216, pi. 23, figs. 1, lb.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 230, fig. 83, pi. 7, fig. 6.— Nichol- son, Rep. 44th Meeting British Assoc. Adv. Sci., Notes and Abstracts, 1875, p. 90.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 173, fig. Stomatopora arachnoidea Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 885, pi. 32, figs. 2-2c.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 60, 61, fig. 7. Trenton-Richmond: Cincinnati, Ohio (Maysville); various localities in the United States and Canada. STOMATOPORA AULOPOROIDES Miller. See Proboscina auloporoides. STOMATOPORA CANADENSIS Whiteaves. See Corynotrypa canadensis. STOMATOPORA CONFUSA Miller. See Proboscina confusa. STOMATOPORA DELICATULA Grabau and Shimer. See Corynotrypa delicatula. STOMATOPORA DELICATULA-TENUISSIMA Nickles and Bassler. See Corynotrypa deli- catula. STOMATOPORA DISSIMILIS Vine. See Corynotrypa dissimilis. STOMATOPORA DISSIMILIS var. ELONGATA Vine. See Corynotrypa elongata. STOMATOPORA ELONGATA Vine. See Corynotrypa elongata. STOMATOPORA FRONDOSA Miller. See Proboscina frondosa. STOMATOPORA INFLATA Vine. See Corynotrypa inflata. STOMATOPORA MINOR Hennig. See Corynotrypa dissimilis. 84243°— Bull. 92— vol 2—15 31 1196 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. STOMATOPORA PARVA Ringueberg. See Corynotrypa elongata. STOMATOPORA PROUTANA Ulrich. See Corynotrypa delicatula. STOMATOPORA RECTA Ringueberg. See Corynotrypa dissimilis. STOMATOPORA TENUISSIMA Ulrich. See Corynotrypa delicatula. STOMATOPORA TURGIDA Ulrich. See Corynotrypa turgida. STRAPAROLLINA Billings. Genotype: S. pelagica Billings. Straparollina Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 223.— Koken, Neues Jahrb. Min. Geol. Pal., 6, Beilage-Band, 1889, p. 428.— Miller, N. A. Geol. Pal., 1889, p. 426. Straparollina asperostriata (Billings). Straparollus asperostriatus Billings, Canadian Nat. Geol., 5, 1860, p. 162; Geol. Canada, Geol. Surv. Canada, 1863, p. 144, fig. 84. Straparollina asperostriatus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 223 (gen. ref.).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, p. 1078, fig. Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. Straparollina circe (Billings). Straparollus Circe Billings, Canadian Nat. Geol., 5, 1860, p. 161, figs. 1-3; Geol. Canada, Geol. Surv. Canada, 1863, p. 144, fig. 85a-c. Straparollina Circe Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 223 (gen. ref.).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1078, figs. Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. Straparollina daphne (Billings). Straparollus Daphne Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 160, fig. 145 (adv. sheets, 1862). Straparollina Daphne Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pc. 2, 1895, p. 93; Cont. Can. Pal., Geol. Surv. Canada, 1, pt. 4, 1892, p. 329. Niagaran (Guelph) : Gait, Ontario. Straparollina eurydice (Billings). Straparollus Eurydice Billings, Canadian Nat. Geol., 5, 1860, p. 162, figs. 4, 5; Geol. Canada, Geol. Surv. Canada, 1863, p. 144, fig. 86a, b. Straparollina eurydice Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 223 (gen. ref.).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1078, figs. Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. STRAPAROLLINA HARPA Hudson. See Holopea harpa. Straparollina minima Whitfield. Straparollina minima Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 179, pi. 4, figs. 10-12.— Seely, Vermont State Geol. Rep. 7, pi. 61, figs. 10-12. Canadian (Beekmantown): Colchester, Vermont. Straparollina pelagica Billings. Straparollina pelagica Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 223, fig. 205.— Miller, N. A. Geol. Pal., 1889, p. 426, fig. 714. Canadian (Quebec — G, H): Pistolet Bay and Cape Norman, Newfoundland. STRAPAROLLUS Montfort. Genotype: S. dionysii Montfort. Straparollus Montfort, Conch. Syst., 2, 1810, p. 174.— D'Orbigny, Prodr. de Pal., 1849, 1, p. 6.— McCoy, British Pal. Rocks Foss., 1854, p. 536.— Pictet, Traite de Pal., 2d ed., 3, 1855, p. 153.— Meek and Worthen, Proc. Acad. Nat. Sci., BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1197 STRAPAROLLUS— Continued. Philadelphia, 1860, p. 462; Geol. Surv. Illinois, 2, 1866, p. 158.— Hall, Pal. New York, 5, pt. 2, 1879, p. 54.— Koninck, Ann. d. Mus., Royal d'Hist. Nat. de Belgique, 6, 1881, p. 119.— Zittel, Handb. Pal., 2, 1882, p. 205.— Miller, N. A. Gepl. Pal., 1889, p. 426.— Keyes, Amer. Geol., 5, 1890, p. 194; Missouri Geol. Surv., 5, 1894, p. 155.— Koken, Leitfossilien, Leipzig, 1896, p. 126; Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 23; ibid., 6, Beilage-Band, 1899, p. 405.— Grabau, Bull. Buffalo. Soc. Nat. Sci., 6, 1899, p. 277, fig. 205.— Pilsbry. Zittel-Eastman Textb. Pal., 1, 1900, p. 446.— Dall, ibid., 2d ed., 1913, p. 527. STRAPAROLLUS ANGULATUS Emmons. See Raphistoma stamineum. STRAPAROLLUS ASPEROSTRIATUS Billings. See Straparollina asperostriata. Straparollus bicarinatus Calvin. Straparollus bicarinatus Calvin, Bull. Lab. Nat. Hist. State Univ. Iowa, 1, 1890, p. 179, pi. 2, fig. 2a, b. Niagaran: Monmouth, Iowa. STRAPAROLLUS CIRCE Billings. See Straparollina circe. Straparollus claytonensis Calvin. Straparollus claytonensis Calvin, Bull. Lab. Nat. Hist. State Univ. Iowa, 2, 1892, p. 191; Amer. Geol., 10, 1892, p. 146. Ozarkian (Oneota): Northeastern Iowa. STRAPAROLLUS COMPLANATUS Emmons. See Ophileta complanata. STRAPAROLLUS CRENULATUS Whiteaves. See Poleumita crenulata. STRAPAROLLUS DAPHNE Billings. See Straparollina daphne. STRAPAROLLUS EURYDICE Billings. See Straparollina eurydice. STRAPAROLLUS HEMISPHERICUS D'Orbigny. See Diaphorostoma hemisphericum. Straparollus hlppolyta Billings. Straparollus Hippolyta Billings, Pal. Fose., 1, Geol. Surv. Canada, 1865, p. 160, fig. 144a, b.— Miller, N. A. Geol. Pal;, 1889, p. 426, fig. 715.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 94 (loc. occ.). Niagaran (Guelph): Gait, Ontario; Wisconsin. Straparollus incarinatum Foerste. Straparollus (cf. Oriostoma) incarinatum Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 552, pi. 37A, figs. 7a, b. Upper Medinan (Brassfield): Huffman's quarry, near Dayton, Ohio. Straparollus intralobatus Sardeson. Straparollus intralobatus Sardeson, Bull. Minnesota Acad. Nat. Sci., 1896, p. 101, pi. 5, fig. 20. Ozarkian (Oneota): Altura, Winona County, Minnesota. STRAPAROLLUS LABIATUS Emmons. See Raphistoma stamineum. STRAPAROLLUS LEVATUS D'Orbigny. See Ophileta levata. STRAPAROLLUS MAGNUS D'Orbigny. See Maclurites magnus. STRAPAROLLUS MATUTINA Emmons. See Maclurites matutinus. STRAPAROLLUS MINNESOTENSIS Owen. See Raphistoma minnesotense. 1198 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Straparollus mopsus Hall. Straparollue mopsus Hall, 20th Rep. New York State Cab. Hist., 1868, p. 342, pi- 15 (6), figs. 21, 22; rev. ed., 1870, p. 390, pi. 15, figs. 21, 22. Euomphalus (Straparollus) mopsus Whitfield, Geol. Wisconsin, 4, 1882, p. 358 (gen. ref.). Niagaran (Racine): Racine and Waukeska, Wisconsin. Straparollus niagarensis Hall and Whitfield. Straparollus Niagarensis Hall and Whitfield, Geol. Surv. Ohio, Pal. 2, 1875, p. 144, pi. 8, fig. 3.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1079, fig. Niagaran (Guelph) : Cedarville, Ohio. Straparollus parvus Cleland. Straparollus parva Cleland, Bull. Amer. Pal. , 3, 1900, p. 127 (255), pi. 15, figs. 10, 11. Canadian (Tribes Hill) : Near Fort Hunter, New York. STRAPAROLLUS PERVETUSTUS D'Orbigny. See Euconia pervetusta. STRAPAROLLUS PLANISTRIA Emmons. See Raphistoma stamineuin. Straparollus pristiniformis Calvin. Straparollus pristvmiformis Calvin, Amer. Geol., 10, 1892, p. 146; Bull. Lab. Nat. Hist. Univ. Iowa, 2, 1892, p. 191. Ozarkian (Oneota) : Northeastern Iowa. Straparollus puinilis Savage. Straparollus pumilis Savage, Bull. Geol. Surv. Illinois 23, 1913, p. 100, pi. 5, fig. 29. Upper Medinan (Edgewood): Near Edgewood, Missouri. Straporollus sanctisabae (Roemer). Euomphalus sancti-sabae Roemer, Die Kreidebildungen von Texas, 1852, p. 91, 421, pi. 11, figs. 5a, b. Straporollus sanctisabae Miller, N. A. Geol. Pal. 1889, p. 426 (gen. ref.). Ordovician: San Saba River, Texas. Straparollus sinuatus (Hall). Euomphalus sinuatus Hall, Pal. New York, 3, 1859, p. 340, pi. 69, fig. la, b. Straparollus sinuatus Miller, N. A. Geol. Pal., 1889, p. 426 (gen. ref). Euomphalus cf . sinuatus Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 292, pi. 5, figs. 10-12. Cayugan (Manlius): Herkimer County, New York. STRAPAROLLUS SORDIDUS Emmons. See Maclurites sordidus. STRAPAROLLUS STRIATUS Emmons. See Raphistoma striatum. • Straparollus tricarinatus Calvin. Straparollus tricarinatus Calvin, Bull. Lab. Nat. Hist. State Univ. Iowa, 1, 1890, p. 179, pi. 2, figs. 2a, b. Niagaran: Monmouth, Iowa. STRAPAROLLUS UNIANGULATUS Emmons. See Helicotoma uniangulata. Straparollus valvataform'is Shumard. Straparollus valvataformis Shumard, Trans. Acad. Sci. St. Louis, 2, 1863, p. 105. — Keyes, Missouri Geol. Surv., 5, 1894, p. 157, pi. 51, fig. 8. Canadian (Yellville): Ozark County, Missouri. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES, 1199 STREPHOCHETUS Seely. See Girvanella Nicholson and Etheridge. STREPHODES? AUSTINI Salter. See Acervularia austini. STREPHODES PICKTHORNII Salter. See Cyatliophyllum pickthorni. STREPTASTER Hall. Genotype: Agelacrinus vorticellatus Hall. Streptaster Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, pi. 6.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 450. Streptaster reversatus Foerste. Streptaster reversata Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 451, pi. 4, fig. 3. Eden (Southgate): Two milea west of Million, Kentucky. Streptaster septembrachiatus (Miller and Dyer). Agelacrinus septembrachiatus Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist.f 1, 1878, p. 27, pi. 1, fig. 9. Agelacrinites septembrachiatus Jaekel, Stammesg. Pelmat., 1, Thecoidea u. Cystoidea, Berlin, 1899, p. 50. Streptaster septembrachiatus Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, pi. 4, fig. 2. Richmond (Liberty and Elkhorn): Waynesville and near Dayton, Ohio. Streptaster vorticellatus (Hall). Agelacrinus (Streptaster) vorticellatus Hall, 24th Rep. New York State Cab. Nat. Hist., 1872, p. 215, pi. 6, figs. 11-13 (adv. sheets, 1871). Agelacrinites vorticellata Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 57, pi. 3, figs. 7a, b.— Jaekel Stammesg. Pelmat, 1, Thecoidea und Cystoidea, 1899, p. 50. Agelacrinus vorticellatus Haeckel, Amphor. u. Cystoideen, Leipzig, 1896, p. 112. Streptaster vorticellatus Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, pi. 6, fig. 4. Maysville (Fairmount — Corryville): Cincinnati, Ohio, and vicinity. STREPTELASMA Hall. Genotype: S. corniculum Hall. Strep toplasma Hall, Pal. New York, 1, 1847, p. 17, (changed to Streptelasma in explanation of figures.) Streptelasma D'Orbigny, Prodr. de Pal., 1, 1849, p. 24.— Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. (Arch, du Mus. d'Hist. Nat., 5) 1851, p. 168, 398.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 228.— Billings, Canadian Nat. Geol., 1, 1856, p. 122.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 392.— Hitchcock, Geol. Vermont, 1, 1861, p. 290.— Dybowski, Archiv. f. Natur. Liv-, Ehst- und Kurl., 5, 1873, pp. 334, 381.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 26; Geol. Surv. Ohio, Pal., 2, 1875, p. 217.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 151. — Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1878, p. 67. — Nicholson, Man. Pal., 1, 1879, p. 247, fig. 127B; pp. 278, 279, fig. 156a; p. 280, fig. 157; p. 297, figs. 178a, b.— Zittel, Handb. Pal., 1, 1879, p. 228.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 365.— Hall and Simpson, Pal. New York- 6, 1887, p. xi.— Miller, N. A. Geol. Pal., 1889, p. 204.— Sherzer, Amer. Geol., 7, 1891, pp. 284-289.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, pp. 145-146.— Winchell and Schuchert, Geol. Nat. Hist. Surv. Min- nesota, 3, pt. 1, 1895, p. 87.— Koken, Die Leitfossilien, Leipzig, 1896, p. 308.— Girty, 19th Ann. Rep. U. S, Geol. Surv., 1899, p. 556.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 122.— Zittel-Eastman Textb. Pal., 1, 1900, p. 75.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 107.— Pocta, Syst. Sil. du Centre Boheme, 8, pt. 2, 1902, p. 154.— Grabau and Shimer, 1200 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. STREPTELASMA— Continued. N. A. Index Fossils, 1, 1906, p. 54.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 700.— Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 82. Petraia Zittel, Handb. Pal., 1, 1879, p. 226.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 410.— Miller, N. A. Geol. Pal., 1889, p. 199.— Sherzer, Amer. Geol., 7, 1891, pp. 278-283.— Koken, Die Leitfossilien, Leipzig, 1896, p. 313.— Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 104. Observation. — The type of Streptelasma has been cited by most authors as S. expansum because this species was the first to follow the generic diagnosis. This species, however, was founded upon a cystid plate (Blastoidocrinus carcaridens). Hall undoubtedly had S. corniculum in mind when he drew up the generic diagnosis, and S. expansum came first simply because of geological position. Lambe has employed Petraia for certain American species usually referred to Streptelasma but differing in having a deep calyx, no tabulae, dissepiments, or columella. Until the type of Petraia is better known it is believed best to refer these species to Streptelasma. Streptelasma angulatum (Billings). Petraia angulata Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 103, fig. 90a, b (Adv. sheets, 1862); Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 7 (loc. ref.). Streptelasma angulatum Miller, N. A. Geol. Pal., 1889, p. 204 (gen. ref.).— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 112. Richmond (English Head, Charleton) : Charleton Point, West End, etc., Anticosti. Streptelasma (Petraia?) apertum (Billings). Petraia aperta Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 102, fig. 89a, b (Adv. sheets, 1862).— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 105. Streptelasma apertum Miller, N. A. Geol. Pal., 1889, p. 204 (gen. ref.). Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. STREPTELASMA (DUNCANELLA) BOREALIS Hall. See Duncanella borealis. Streptelasma breve Winchell and Schuchert. Streptelasma breve Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 92, fig. 7. Black River (Platteville): Near Fountain, Minnesota. Cotypes,—C&t. No. 42538, U.S.N.M. STREPTELASMA CALIGULA var. GEOMETRICUS Foerste. See Enterolasma geometricum. STREPTELASMA (ENTEROLASMA) CALICULUM Hall. See Enterolasma caliculum. Streptelasma conulus Rominger. Streptelasma conulus Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 144, pi. 39, fig. 4. Zaphrentis conulus Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 12-14. Niagaran: Drummond's Island, Lake Huron; Louisville, Kentucky (Louisville). Streptelasma corniculum Hall. Streptoplasma corniculum Hall, Pal. New York, 1, p. 69, pi. 25, figs. la-e. Streptelasma corniculum Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 398, pi. 7, figs. 4-4b (figures probably refer to S. rusticum). — Billings, Canadian Nat. Geol., 1, 1856, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1201 Streptelasma corniciilum — Continued. p. 122, figs. 3, 4.— Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 75.— Hitchcock, Geol. Vermont, 1, 1861, p. 291, fig. 191.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 142, pi. 51, lower tier.— Nicholson, Ann. Mag. Nat. Hist., 4th ser., 18, 1876, p. 94, pi. 5, figs. 15, 15a.— Zittel, Handb. Pal., 1, 1879, p. 217, fig. 126; p. 228, fig. 134.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 366.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1085, figs.— Ami, Ottawa Nat., 8, 1894, p. 84.— Keyes, Missouri Geol. Surv., 4, 1894, p. 117, pi. 13, fig. 9.— Winchell and Schuchert, Geol. Minnesota, 3, pt. 1, 1895, p. 90, pi. G, figs. 20, 21 .— Shuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 154.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 10.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 108, pi. 6, figs. 7a-b.— Weller, Geol. Surv. New Jersey, Pal. 3, 1903, p. 136, pi. 6, figs. 6, 7.— Grabau and Shinier, N. A. Index Fossils, 1, 1906, p. 55, fig. 76c-d. Streptelasma (Petraia) corniculum Chamberlin, Geol. Wisconsin, 1, 1883, p. 153, fig. Streptoplasma parvula Hall, Pal. New York, 1, 1847, p. 71, pi. 25, figs. 4a-c. Streptelasma parvula Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 75. Petraia Ottawaensis Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 429. Streptoplasma crassa Hall, Pal. New York, 1, 1847, p. 70, pi. 25, figs. 2a-c. Turbinolia mitrata Eaton, Geol. Textb., 2d ed., 1832, p. 39, pi. 3, figs. 32, 33.— Clarke, llth Rep. State Geol. New York, 1894, p. 34; ibid., 45th Rep. New York State Mus., 1894, p. 350. Petraia cornicula Chapman, Canadian Jour., n. s., 6, 1861, p. 510, fig. 79. — Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 156, fig. 118.— Chapman, Canadian Jour., n. s., 8, 1863, p. 198, fig. 178; Expos. Min. Geol. Canada, 1864, p. 104, fig. 79, p. 170, fig. 178. Petraia (Streptelasma) corniculum Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 627, fig. Streptoplasma multilamellosa Hall, Pal. New York, 1, 1847, p. 70, pi. 25, figs. 3a-c. Trenton: Trenton Falls, Middleville, etc., New York. Widely distributed in the United States and Canada. STREPTELASMA CORNICULUM (part) Nicholson. See Streptelasma rusticum. STREPTELASMA CRASSA Hall. See Streptelasma corniculum. Streptelasma dispandum Foerste. Streptelasma dispandum Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 307, pi. 9, fig. 4a, b. Richmond (Waynesville) : Moores Hill, Versailles, etc., Indiana; Ohio. Streptelasma dlvaricans (Nicholson). Paleeophyllum divaricans Nicholson, Geol. Surv. Ohio, Pal., 2, 1875, p. 220, pi. 22, figs. 10, 10b.— White, llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 377, pi. 52, fig. 4.— Hall, 12th, Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1883, p. 251, pi. 1, fig. 5.— Miller, N. A. Geol. Pal., 1889, p. 199, fig. 204 — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 589, figs. — James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 147. Streptelasma divaricans Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 707, pi. 1, figs. 6, 6a.— Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 307, pi. 10, figs. 4a-e. 1202 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Streptelasma divaricans— Continued. Zaphrentis inequalis Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, pp. 430, 482 (ext., 1882, p. 26). Richmond (Waynesville- Whitewater) : Richmond, etc., Indiana; Oxford, etc., Ohio; Kentucky. Streptelasma divaricans angustatum Foerste. Streptelasma divaricans angustatum Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 308, pi. 9, fig. 6a, b. Richmond (Whitewater): Osgood, Indiana. Streptelasma expansum (Hall). Streptoplasma expansa Hall, Pal. New York, 1, 1847, p. 17, pi. 4, figs. 6a, b. Streptelasma? expansa Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d' Hist. Nat., 5), p. 399.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 228, pi. 3, figs. 6, 7a, b .—Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 393.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1085, figs.— Clarke and Ruedemann, Bull. New York State Mus., 65, 1903, p. 56. Chazyan: Chazy, New York. Observation. — Founded upon a section of cystid plate (Blastoidocrinus). Streptelasma? (Zaphrentis?) extans Hall. Streptelasma? (Zaphrentis?) extans Hall, 35th Rep. New York State Mus. Nat. Hist., 1884 (ext., 1882, p. 5), p. 409. Niagaran (?Racine): Milwaukee, Wisconsin. STREPTELASMA? GEOMETRICUM Foerste. See Enterolasma geometricum. Streptelasma hoskinsont Foerste. Streptelasma Hoskinsoni Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 344, pi. 9, figs. 1-4 (?5, 6); Geol. Surv. Ohio, Pal., 7, 1893, p. 601, pi. 34, figs. 1-6 (loc. occ.). Upper Medinan (Brassfield) : Near New Carlisle, Ohio. Streptelasma Insolltum Foerste. Streptelasma insolitum Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 306, pi. 10, fig. 3. Richmond (Whitewater) bed: Decatur, Jennings, and Ripley Counties, Indiana. Streptelasma? latusculum (Billings). Petraia latuscula Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 104, fig. 92a, b; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33 (loc. ref.). Streptelasma latusculum Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 114, pi. 6, figs. 9, 9a. Anticostian (Gun River-Jupiter River): Three miles west of Jupiter River, East Point, and the Jumpers, Anticosti. Streptelasma latusculum trilobatum (Whiteaves). Streptelasma rusticum var. trilobatum Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 113. Streptelasma latusculum var. trilobatum Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 115. Richmond (Stony Mountain): Stony Mountain, Manitoba. Streptelasma? (Zaphrentis?) llmltare Hall. Streptelasma? (Zaphrentis?) limitare Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 409 (ext., 1882, p. 5). Niagaran: Racine, Wisconsin. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1203 STREPTELASMA MINIMA Hall. See Duncanella borealis. Streptelasma obliqulus Foerste. Streptelasma obliquior Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 346, pi. 9, figs. 14, 15. Streptelasma obliquius Foerste, Geol. Surv. Ohio, Pal., 7, 1893, p. 601, pi. 34, figs. 14, 15 (loc. occ.). Upper Medinan (Brassfield) : Hanover, Indiana. Streptelasma(?) parasiticum Ulrich. Streptelasma (?) parasiticum Ulrich in Winchell and Schuchert, Geol. Minne- sota!, 3, pt. 1, 1895, p. 89, fig. 6. Black River (Platteville and Decorah) : St. Paul and Minneapolis, Minnesota. Holotype.—Cat. No. 42557, U.S.N.M. STREPTELASMA PARVULA Hall. See Streptelasma corniculum. Streptelasma patula Rominger. Streptelasma patula Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 143, pi. 39, fig. 1. Zaphrentis patula Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 4-6. Niagaran: Drummonds Island, Lake Huron; Point Detour, Michigan; Mason- ville, Iowa; Louisville, Kentucky (Louisville). Streptelasma (Petraia) profundum (Conrad). Cyathophyllum profundum Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1843, p. 335.— Owen, Geol. Iowa, Wisconsin, and Illinois, 1844, pi. 16, fig. 5. Streptoplasma profunda Hall, Pal. New York, 1, 1847, p. 49, pi. 12, figs. 4a-d. Streptelasma profunda Edwards and Haime, Mon. d. Polyp. FOBS. d. Terr. Pal. (Arch, du Mus. d'Hist. Nat., 5), 1851, p. 400.— Billings, Canadian Nat. Geol., 1, 1856, p. 123, figs. 7, 8.— Hitchcock, Geol. Vermont, 1, 1861, p. 291.— Bill- ings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 102.— Winchell and Schu- chert, Geol. Minnesota, 3, pt. 1, 1895, p. 88, pi. G, figs. 17-19.— Sardeson, Amer. Geol., 20, 1897, p. 279, pi. 16, figs. 1-8; pi. 17, figs. 1-11.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 54, figs. 76a, b. Petraia profunda Billings, Canadian Jour., n. s., 4, 1859, p. 120. — Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 105, pi. 6, figs. 5a, b. Black River: Watertown, etc., New York; various localities in the United States and Canada. STREPTELASMA PULCHELLUM Miller. See Streptelasma selectum. Streptelasma (Petraia) pygmaeum (Billings). Petraia pygmaea Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 103, fig. 91 (adv. sheets, 1862); Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33 (loc. ref.).— Nicholson, Pal. Ontario, 1875, p. 59.— Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 106, pi. 6, figs. 6, 6a, b. Streptelasma pygmseum Miller, N. A. Geol. Pal., 1889, p. 204 (gen. ref.). Anticostian (Gun River, Jupiter River): Chajloupe River, etc., Anticosti. Streptelasma pygmseum occldentale (Whiteaves). Petraia (pygmaea? var.) occidentalis Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 291, pi. 24, figs. 2-5. Niagarau: Saskatchewan River, Canada. 1204 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Streptelasma radicans Hall. Streptelasma radicans Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 5, figs. 1-4; mus. ed., 1879, p. 106, pi. 5, figs. 1-4; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 226, pi. 4, figs. 1-4.— Lesley, Ceol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1087, figs. Zaphrentis radicans Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 132, figs. 11-13. Niagaran: Waldron, etc., Indiana; Newsom, Tennessee (Waldron); Louisville, Kentucky (Louisville). Streptelasma robustum Whiteaves. Strep telasmacorniculum? Whiteaves, Geol. Surv. Canada, 1879-80, Rep. Progress, 1881, p. 57c. Streptelasma robustum Whiteaves, Canadian Rec. Sci., 6, 1895, p. 390; Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 153, pi. 18, figs. 1, la.— Lambe, Cont. Canadian Pal., Geol Surv. Canada, 4, pt. 2, 1901, p. 109, pi. 7, fig. 1; Cruise of the " Neptune," App. 4, 1906, p. 325. Richmond: Red River Valley, Lake Winnipeg, and Southampton Island, Hudson Bay, Canada. Streptelasma rusticum (Billings). Petraia rustic a Billings, Canadian Nat. Geol., 3, 1858, p. 422; Geol. Surv. Canada, Rep. Progress, 1858, p. 168. Zaphrentis rustica Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 106. Streptelasma rusticum Miller, N. A. Geol. Pal., 1889, p. 205.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 113 (loc. occ.).— Winchell and Schu- chert, Geol. Minnesota, 3, pt. 1, 1895, p. 93, pi. G, figs. 22, 23.— Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 110, pi. 7, figs. 2, 2a, 3.— Nickles, Amer. Geol., 32, 1903, p. 207.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 342.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 55, fig. 76e-f .— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 708, pi. 2, figs. 2, 2b. Petraia Canadensis Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 208, fig. 205.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 627, fig. Zaphrentis Canadensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 105, fig. 93a-c (adv. sheets, 1862).— Hall, 35th Rep. New York State Mus., 1884, pi. 16, figs. 1-3. Streptelasma vagans Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 305, pi. 11, figs. la-c. Zaphrentis corniculum Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 132, figs. 1-3; pi. 138, fig. 8. Streptelasma corniculum Edwards and Haime (not Hall), Mon. Poly. Foss. des Terr. Pal., 1851, pi. 7, fig. 4.— Nicholson, Pal. Ohio, 2, 1875, p. 208.— Romin- ger, Geol. Surv. Michigan, 1876, p. 141, pi. 51, upper row.— Hall, llth Rep. State Geol. Indiana, 1882, p. 376, pi. 51, figs. 2-4.— Nicholson, Manual of Pal., 1, 1889, p. 247, fig. 127b; pp.278, 279, figs. 156a-b; p. 280, fig. 157; p. 297, figs. 178a, 178b. Richmond: Snake Island, Lake St. John, Canada. Widespread and abundant in all divisions of the Richmond in the United States and Canada. STREPTELASMA RUSTICUM var. TRILOBATUM Whiteaves. See Streptelasma latusculum trilobatum. Streptelasma selectum (Billings). Petraia selecta Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 429; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 7, 33. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1205 Streptelasma selectum — Continued. Streptelasma selectum Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 113, pi. 6, figs. 8, 8a. Petraia pulchella Billings, Canadian Nat. Geol., n. a., 2, 1865, p. 429; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33. Streptelasma pulchelluin Miller, N. A. Geol. Pal., 1889, p. 204 (gen. ref.). Gamachian (Ellis Bay): Gamache Bay, etc., Anticoeti. Streptelasma spongaxis Rominger. Streptelasma spongaxis Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 144, pi. 39, fig. 2. Zaphrentis spongiaxis Davis, Kentucky Foss. Corals, Geol. Surv. Kentucky, 1885, pt. 2, pi. 132, figs. 4-6. Niagaran: Point Detour, Michigan; Drummonds Island, Lake Huron; Mason ville, Iowa; Louisville, Kentucky (Louisville); Laurel, Indiana (Laurel). STREPTELASMA VAGANS Foerste. See Streptelasma rusticum. STREPTELASMA WAYNENSE Miller. See Enterolasma waynense. STREPTIS Davidson. Genotype: Terebratula grayi Davidson. Streptis Davidson, Geol. Mag., 8, 1881, p. 150, pi. 5, fig. 13.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 274; llth Ann. Rep. New York State Geol., 1894, p. 289.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 315; ibid., 2d ed., 1913, p. 388. Streptis grayi (Davidson). Terebratula grayii Davidson, Bull. Soc. Geol. France, 2d eer., 5, 1848, p. 331, pi. 3, fig. 33. Atrypa? grayi Davidson, British Sil. Brach., Pal. Soc., 1866, 1867, p. 141, pi. 13, figs. 14-22. Streptis Grayi Davidson, Mon. British Foss. Brachiopoda, 5, 1883, Sil. Suppl., Pal. Soc., p. 139.— Williams, Amer. Jour. Sci., 3d eer., 48, 1894, p. 331. Silurian: England; Batesville, Arkansas (St. Clair.) STREPTIS WALDRONENSIS Beecher and Clarke. See Mimulus waldroneneis. STREPTOCERAS Billings. Genotype: S. janus Billings. Streptoceras Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 88. — Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 281.— Miller, N. A. Geol. Pal., 1889, p. 454.— Hyatt, Zittel-Eastman Textb. Pal., 1, 1900, p. 531, ibid., 2d ed., 1913, p. 611. Streptoceras heros Billings. Streptoceras heros Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 89, fig. 28, lower. Niagaran (Lockport) : Grimsby, Ontario. Streptoceras janus Billings. Streptoceras Janus Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 88, fig. 28, upper.— Miller, N. A. Geol. Pal., 1889, p. 454, text fig. 760. Niagaran (Lockport): Grimsby, Ontario. STREPTOLASMA D'Orbigny. See Streptelasma Hall. STREPTOMYTILUS Kindle and Breger. Genotype: S. wabashenais Kindle and Breger. Streptomytilus Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 453. 1206 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Strep tomytllus aphaea (Hall). Ambonychia Aphsea Hall, 20th Rep. New York State Cab. Nat. Hist., 1868 (extras, 1865), p. 336, pi. 14 (5), fig. 3; p. 38b; rev. ed., 1870, p. 383, pi. 14, fig. 3.— Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 108. Streptomytilua aphsea Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 452 (gen. ref.). Niagaran (Racine): Wauwatosa, Wisconsin; Bridgeport, Illinois. Observation.— See S. pernoides Whiteaves for a possible synonym. Strep tomytilus eduliformis (Clarke and Ruedemann). Mytilarca eduliformis Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 47, pi. 5, figs. 8-10. Streptomytilus eduliformis Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 452 (gen. ref.). Niagaran (Guelph): Rochester, New York. Streptomytilus pernoides (Whiteaves). Mytilarca pernoides Whiteaves, Geol. Surv. Canada, Ann. Rep., n. s., 14, App. F, 1904, p. 47; Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 255, pi. 27, %. 8. Niagaran : Ekwan River, Canada. Observation.— Probably a synonym of S. aphsea (Hall). Streptomytilus wabashensis Kindle and Breger. Streptomytilus wabashensis Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 452, pi. 10, figs. 11, 12. Niagaran: Wabash, Indiana. STREPTOPLASMA Hall. See Streptelasma Hall. STREPTOPLASMA CRASSA Hall. See Streptelasma corniculum. STREPTOPLASMA MULTILAMELLOSA Hall. See Streptelasma corniculum. STREPTOPLASMA PARVULA Hall. See Streptelasma corniculum. STREPTORHYNCHUS AMERICANUS Miller. See Clitambonites diversus. STREPTORHYNCHUS APPROXIMATA James. See Strophomena vetusta approximata. STREPTORHYNCHUS CARDINALE Whitfield. See Strophomena cardinalis. STREPTORHYNCHUS CONVEXUM Sardeson. See Strophomena incurvata. STREPTORHYNCHUS DEPLECTUM Miller. See Dinorthis (Plsesiomys) deflecta. STREPTORHYNCHUS (STROPHONELLA) DELTOIDEA Hall. See Rafinesquina deltoidea and Strophomena winchelli. STREPTORHYNCHUS (STROPHOMENA) ELONGATA James. See Strophomena planum- bona elongata. STREPTORHYNCHUS ELONGATA Mickelborough and Wetherby. See Strophomena rugosa. STREPTORHYNCHUS FILITEXTA Hall. See Strophomena incurvata and S. neglecta. STREPTORHYNCHUS HALLANUM Miller. See Strophomena hallie. STREPTORHYNCHUS(?) HALLIE Miller. See Strophomena hallie. STREPTORHYNCHUS HEMIASTER Winchell and Marcy. See Schuchertella eubplana. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1207 STREPTORHYNCHUS HYDRAULICUM Whitfield. See Schuchertella hydraulica. STREPTORHYNCHUS MINOR Walcott. See Strophomena(?) minor. STREPTORHYNCHUS NEGLECTA James. See Stropliomena neglecta. STREPTORHYNCHUS NUTANS Miller. See Strophomena nutans. STREPTORHYNCHUS PATENTA Hall. See Strophonella patenta. STREPTORHYNCHUS PLANOCONVEXA Miller. See Strophomena planoconvexa. STREPTORHYNCHUS PLANUMBONUM of authors. See Strophomena planumbona. STREPTORHYNCHUS? PRIMORDIALE Whitfield. See Billingsella(?) primordialis. STREPTORHYNCHUS RECTUS Miller. See Dinorthis (Plaesiomys) deflecta. STREPTORHYNCHUS SINUATUM Lesley. See Strophomena sinuata. STREPTORHYNCHUS (STROPHOMENA) SUBPLANA Hall. See Schuchertella subplana. STREPTORHYNCHUS SUBSULCATUM Sardeson. See Strophomena scofieldi. STREPTORHYNCHUS SUBTENTA Hall. See Strophomena trentonensis. STREPTORHYNCHUS SUBTENTUM Lesley. See Strophomena planumbona. STREPTORHYNCHUS SULCATUS Hall. See Strophomena sulcata. STREPTORHYNCHUS TENUIS Hall. See Schuchertella tenuis. STREPTORHYNCHUS (STROPHOMENA) VETUSTA James. See Strophomena vetusta. STREPTOSOLEN Ulrich and Everett. Genotype: S. obconicus Ulrich and Everett. Streptosolen Miller, N. A. Geol. Pal., 1889, p. 165 (Ulrich and Everett in press).— Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 273. Streptosolen obconicus Ulrich and Everett. Streptosolen obconicus Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 274, pi. 4, figs. 4, 4a, b. Black River (Platteville): Near Dixon, Illinois. STREPTOSPONGIA Ulrich. Genotype: S. labyrinthica Ulrich. Streptospongia Ulrich, Amer. Geol., 3, 1889, p. 235, 244.— Miller, N. A. Geol. Pal., 1889, p. 165. Streptospongia labyrinthica Ulrich. Streptospongia labyrinthica Ulrich, Amer. Geol., 3, 1889, p. 244, fig. 8, p. 236. Girvanella labyrinthica James, J. F., Jour. Cincinnati Soc. Nat. Hist., 14, pt. 1, 1891, p. 51. Richmond (Arnheim) : Near Lebanon, Kentucky. Holotype.—Ca,t. No. 46572, U.S.N.M. STREPTOTROCHUS Perner. Genotype: S. rugulosus Barrande. Streptotrochus Perner, Syst. Sil. du Centre Boheme, pt. 1, 4, Gasteropoden, 2, 1907, p. 238.— Williams, Proc. U. S. Nat. Mus., 42, 1912, p. 394. Streptotrochus carinatus Williams. Streptotrochus carinatus Williams, Proc. U. S. Nat. Mus., 42, 1912, p. 395, pi. 50, fig. 8. Silurian (Eastport): West side of Shackford Head, Moose Island, Eastport, Maine. Holotype.—C'At. No. 58444, U.S.N.M. 1208 BULLETIN 92, UNITED STATES NATIONAL, MUSEUM. Strep to trochus lone Williams. Streptotrochus ione Williams, Proc. U. S. Nat. Mus., 42, 1912, p. 395, pi. 50, fig. 13. Silurian (Eastport): West side of Shackford Head, Moose Island, Eastport, Maine. Holotype.—Cat. No. 58447, U.S.N.M. Streptotrochus regularls Williams. Streptotrochus regularis Williams, Proc. U. S. Nat. Mus., 42, 1912, p. 395, pi. 50, fig. 12. Silurian (Eastport): West side of Shackford Head, Moose Island, Eastport, Maine. Holotype.—Ca,t. No. 58446, U.S.N.M. Streptotrochus sulcatus Williams. Streptotrochus sulcatus Williams, Proc. U. S. Nat. Mus., 42, 1912, p. 396, pi. 50, fig. 9. Silurian (Eastport): West side of Shackford Head, Moose Island, Eastport, Maine. Holotype—Czt. No. 58445, U.S.N.M. STREPULA Jones and Holl. Genotype: S. concentrica Jones and Holl. Strepula Jones and Holl, Ann. Mag. Nat. Hist., 5th ser., 17, 1886, p. 403.— Krause, Zeits. d. d. geol. Gesell., 41, 1889, p. 15.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 711.— Koken, Die Leitfossilien, Leipzig, 1896, p. 40.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 305.— Bonnena, Mitt. Min. Geol. Inst. Groningen, 2, 1909, p. 48. Strepula irregularis Jones and Holl. Strepula irregularis Jones and Holl, Ann. Mag. Nat. Hist., 5th ser., 17, 1886, p. 404, pi. 13, figs. 5, 7, 8, 9, 15.— Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 519, pi. 95, figs. 12-15. Silurian (Wenlock): England. Helderbergian (Keyser): Cumberland; Maryland. Pleiriotypes—Ca,t. No. 53281, U.S.N.M. STREPULA LUNATIFERA Ulrich. See Tetradella lunatifera. STREPULA QUADRILIRATA Ulrich. See Tetradella quadrilirata. STRIATOPORA Hall. Genotype: S. flexuosa Hall. Striatopora Hall, Amer. Jour. Sci. Arts, 2d ser., 1851, p. 400; Rep. Geol. Surv. Iowa, 1, pt. 2, 1858, p. 478.— Billings, Canadian Jour., n. s., 5, 1860, p. 253.— Rominger, Amer. Jour. Sci. Arts, 2d ser., 34, 1862, p. 391.— Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 368.— Nicholson, Rep. Pal. Prov. Ontario, pt. 1, 1874, p. 58.— Rominger, Geol. Surv. Illinois, 3, pt. 2, 1876, p. 58.— Nicholson, Tab. Corals Pal. Period, 1879, p. 97.— Zittel, Handb. Pal., 1, 1879, p. 237.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 439.— Hall and Simpson, Pal. New York, 6, 1887, p. 12.— Miller, N. A. Geol. Pal., 1889, p. 205.— Beecher, Trans. Connecticut Acad. Arts Sci., 8, 1891, pp. 209, 211.— Sardeson, Neues Jalirb. Min., Geol. and Pal., Beilage-Band, 10, 1896, p. 304, p. 252.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 40.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 147; Bull. New York State Mus., 45, 1901, p. 147.— Grabau and Shinier, N. A. Index Fossils, 1, 1906, p. 94; Zittel-Eastman Textb. Pal., 1900, p. 100; 2d ed., 1913, p. 114. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1209 Striatopora flexuosa Hall. Striatopora flexuosa Hall, Pal. New York, 2, 1852, p. 156.— Pictet, Traite de Pal., 2ded., 4, 1857, p. 170, pi. 92, fig. 21.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 55, fig. 26; Tab. Corals Pal. Period, 1879, p. 98, fig. 18.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 440, fig. 105.— Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 40.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 148, fig. 45; Bull. New York State Mus., 45, 1901, p. 148, fig. 45.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 94, fig. 151. Clinton: Lockport, etc., New York; Grimsby, etc., Ontario (Rochester); Osgood, Indiana (Osgood). Striatopora gorbyi Miller. Striatopora gorbyi Miller, 18th Ann. Rep. Geol. Nat. Res. Indiana, 1894, p. 261, pi. 8, fig. 1 (adv. sheets, 1892). Niagaran (Laurel): St. Paul, Indiana. Striatopora huronensis Rominger. Striatopora huronensis Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 58, pi. 24, fig. 2.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 51, fig. 3; pi. 64, figs. 5, 6. Niagaran: Point Detour, Lake Huron, Michigan; Louisville, Kentucky (Louis- ville). Striatopora (Cladopora?) proboscidialis Foerste. Striatopora (Cladopora?) proboscidialis Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 337. Upper Medinan (Brassfield) : Fair Haven and Ludlow Falls, Ohio. STRTBALOCTSTITES Miller. Genotype: S. tumidus Miller. Stribalocystites Miller, 17th Rep. Geol. Surv. Indiana, 1892, p. 630 (adv. sheets, 1871); N. A. Geol. Pal., 1st App., 1892, p. 682.— Jaekel, Stammesges. Pelmat., 1, 1899, p. 312.— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 67. Stribalocystites? elongatus (Rowley). Stribalocystis? elongatus Rowley, Amer. Geol., 34, 1904, p. 273, pi. 16, fig. 25, 26. Niagaran or Helderbergian : Red Rock Landing, Perry County, Missouri. Stribalocystites gorbyi Miller. Stribalocystites gorbyi Miller, 18th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1894, p. 265, pi. 2, figs. 3-8 (adv. sheets, 1892); N. A. Geol. Pal., 1st App., 1892, p. 682, fig. 1249.— Jaekel, Stammesg. Pelmat., 1, Thecoidea u. Cystoidea, Berlin, 1899, p. 312. Niagaran (Laurel): St. Paul, Indiana. Stribalocystites missouriensis (Rowley). Stribalocystis missouriensis Rowley, Amer. Geol., 25, 1900, p. 71, pi. 2, figs. 40, 41; ibid., 34, p. 273, pi. 16, figs. 23, 24. Niagaran (Bainbridge) : Near St. Marys, Ste. Genevieve County, Missouri. Stribalocystites sphseroidalis Miller and Gurley. Stribalocystites sphaeroidalis Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 6, 1895, p. 58, pi. 5, figs. 19-21.— Miller, N. A. Geol. Pal., 2d App., p. 753, fig. 1397. Niagaran (Laurel): St. Paul, Indiana. 1210 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. •' Strlbalocystites tumidus Miller. Stribalocystites tumidus Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 630, pi. 6, figs. 33, 34 (adv. sheets, 1891, p. 20); N. A. Geol. Pal., 1st App., p. 682, fig. 1250.— Jaekel, Stammesg. Pelmat., 1, Thecoidea u. Cystoidea, Berlin, 1899, p. 313. Niagaran (Laurel): St. Paul, Indiana. STRICKLANDIA Billings. See Stricklandinia Billings. STRICKLANDIA? ARACHNE Billings. See Syntrophia arachne. STRICKLANDINIA BillingsT Genotype: Stricklandia gaspensis Billings. Stricklandia Billings, Canadian Nat. and Geol., 4, 1859, p. 132; Canadian Jour., 6, 1861, p. 265; Pal. Fossils, 1, 1865, p. 84; Proc. Portland Soc. Nat. Hist., 1863, p. 114.— Waagen, Pal. Indica, 13th ser.,1, 1883, p. 412. Stricklandinia Billings, Canadian Nat. and Geol., 8, 1863, p. 370.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 160; Pal. New York, 4, 1867, p. 369.— Billings, Pal. Fossils, 2, 1874, p. 78.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 64.— Miller, N. A. Geol. Pal., 1889, p. 379.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 249; 13th Ann. Rep. New York State Geologist, 1895, p. 847.— Schuchert, Zittel- Eastman Textb. Pal., 1, 1900, p. 321; 2d ed., 1913, p. 395.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 274. Stricklandinia anticostiensis (Billings?) Hall and Clarke. Stricklandinia anticostiensis (Billings?) Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, figs. 12-14. Anticostian: Island of Anticosti. STRICKLANDINIA ARETHUSA Billings. See Syntrophia arethusa. Stricklandinia billingsiana Dawson. Stricklandinia billingsiana .Dawson, Canadian Nat. and Geol., 2d ser., 9, 1880, p. 341. Silurian: Pictou, Nova Scotia. Stricklandinia brevis (Billings). ?Spirifer species? Hall, Pal. New York, 2, 1852, p. 66, pi. 22, fig. 3. Stricklandia brevis Billings, Canadian Nat. and Geol., 4, 1859, p. 135. Stricklandinia brevis Billings, Pal. Fossils, 2, 1874, p. 84, pi. 6, fig. 2.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251. Anticostian (Gun River, Jupiter River): Southwest Point, etc., Anticosti. Stricklandinia canadensis (Billings). Stricklandia canadensis Billings, Canadian Nat. and Geol., 4, 1859, p. 135. Stricklandinia canadensis Billings, Pal. Fossils, 2, 1874, p. 81; pi. 6, fig. 3; pi. 7, fig. 2.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251. Lower Clinton: Near Thorold, Ontario. Stricklandinia castellana White. Stricklandinia castellana White, Proc. Acad. Nat. Sci. Philadelphia, 1876, p. 30.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, figs. 3-7.— W7eller and Davidson, Jour. Geol., 4, 1896, p. 173. — Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 275, fig. 333. Niagaran: Castle Grove, Jones County, Iowa. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1211 Stricklandinia chapmanl Hall and Clarke. Stricklandinia chapman! Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 83, fig. 40. Niagaran: Hamilton, Ontario. Stricklandinia davidsoni Billings. Stricklandinia davidsoni Billings, Geol. Mag., 5, 1868, p. 59, pi. 4, figs. 1-ld; Pal. Fossils, 2. 1874. p. 86, pi. 6, fig. 1, p. 80, figs. 46, 47.— White, Proc. U. S. Nat. Mus., 3, 1880, p. 48.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, fig. 15.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 274. Stricklandinia lens Billings (not Atrypa lens Sowerby), Cat. Sil. Foss. Anticosti, 1866, p. 45.— Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 321, pi. 5, figs. 1-4. Anticostian (Gun River-Chicotte) : Southwest Point, The Jumpers, etc., Anti- costi. ?Clinton: Kinggold, Catoosa County, Georgia. Stricklandinia deformis Meek and Worthen. Stricklandinia deformis Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1870, p. 37; Geol. Surv. Illinois, 6, 1875, p. 502, pi. 24, fig. 5.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, figs. 8-10. Niagaran: Carroll County, Illinois. Stricklandinia(?) dichotoma Foerste. Stricklandinia(?) dichotoma Foerste, Jour. Geol., 11, 1903, p. 707; Bull. Sci. Lab. Denison Univ., 14, 1909, p. 71, pi. 1, figs. 2A, B. Upper Medinan (Brassfield): Riverside and Iron City, Tennessee. Stricklandinia gaspiensis (Billings). Stricklandia gaspiensis Billings, Canadian Nat. and Geol., 4, 1859, p. 134. Stricklandinia gaspiensis Billings, Geol. Surv. Canada, Pal. Foss., 2, 1874, p. 83, fig. 49, pt. 6, fig. 4a.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, fig. 11. Silurian: Bay of Chaleurs, Quebec. STRICKLANDINIA LENS Billings. See Stricklandinia davidsoni. Stricklandinia lirata (Sowerby). Spirifer liratus Sowerby, Murchison's Silurian System, 1839, pi. 22, fig. 6. Stricklandinia lirata Davidson, Mon. British Sil. Brach., Pal. Soc., 1867, p. 159, pi. 20, figs. 1-13.— Billings, Cat. Sil. Foss. Anticosti, 1866, p. 45; Pal. Foss., Geol. Surv. Canada, 2, pt. 1, 1874, pi. 6, fig. 4. Silurian: Europe; East Point, The Jumpers, etc., Anticosti (Gun River-Jupiter River). Stricklandinia(?) louisvillensis Nettelroth. Stricklandinia louisvillensis Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 65, pi. 34, figs. 31-34. Niagaran (Louisville): East of Louisville, Kentucky. Holotype.—C&t. No. 51319, U.S.N.M. Stricklandinia melissa Billings. Stricklandinia melissa Billings, Pal. Fossils, 2, 1874, p. 89, pi. 7, fig. 4.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251.— Foerste, Proc. Boston Soc. Nat. Hist., 24, 1889, p. 323. Anticostian (Jupiter River) : Southwest Point, Anticosti. 84243°— Bull. 92— vol 2—15 32 1212 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stricklaudinia multilirata Whitfield. Stricklandinia multilirata Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1877, p. 81; Geol. Wisconsin, 4, 1882, p. 315, pi. 23, figs. 3-5.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251, pi. 73, figs. 1, 2. Niagaran (Guelph): Sheboygan, Wisconsin. Stricklandinia norwoodi Foerste. Stricklandinia norwoodi Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 324, pi. 1, figs. la-d. Clinton (Oldham) : Five and one-half miles south of Indian Fields, etc. , Kentucky. Stricklandinia salteri Billings. Stricklandinia salteri Billings, Geol. Mag., 5, 1868, p. 61, pi. 4, figs. 2-2a; Pal. Fossils, 2, 1874, p. 87, pi. 7, fig. 1.— White, Proc. U. S. Nat. Mus., 3, 1880, p. 48.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 251. Anticostian (Gun River, Jupiter River) : Heath Point and Cormorant Point, Anticosti. Stricklandinia triplesiana Foerste. Stricklandinia triplesiana Foerste, Bull. Sci. Lab. Denison Univ., 1, 1885, p. 89, pi. 14, figs. 13, 14.; Proc. Boston Soc. Nat. Hist., 24, 1890, p. 323; Geol. Ohio, 7, 1895, p. 594, pi. 26, figs. 13, 14. Upper Medinan (Brassfield) : Dayton, Ohio. STROBILOSPONGIA Beecher. See Pattersonia Miller. STROMATOCERIUM Hall. Genotype: S. rugosum Hall. Stromatocerium Hall, Pal. New York, 1, 1847, p. 48.— Winchell, Proc. Amer. Assoc. Adv. Sci., 15, 1867, p. 93. — Nicholson and Murie, Jour. Linnean Soc. London, Zool., 14, 1878, p. 189, 222.— Zittel, Handb. Pal., 1, 1879, p. 287.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 535.— Nicholson, Mon. British Strom., Pal. Soc., 1886, p. 8, 17.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 9, 1886, p. 252; 1892, p. 93.— Miller, N. A. Geol. Pal., 1889. p. 165.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 46.— Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, p. 8. Stromatocerium canadense Nicholson and Murie. Stromatocerium canadense Nicholson and Murie, Jour. Linn. Soc. Zool., 14, 1878, p. 223, pi. 3, figs. 9, 10.— James, Jour. Cincinnati Soc. Nat. Hist., 15, 1892, p. 93; ibid., 9, 1886, p. 252.— Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, p. 15, pi. 21, figs. 8, 9; pi. 22, figs. 1-3. Labechia canadense Nicholson, Mon. British Strom., 1886, p. 32, pi. 2, figs. 3-5; Ann. Mag. Nat. Hist., 5th ser., 18, 1886, p. 14, pi. 2, fig. 5; Mon. British Strom., 1891, p. 163, pi. 20, fig. 9.— Whiteaves, Can. Rec. Sci., 7, 1897, p. 131. Black River: Peterborough, Pauquettes Rapids, etc., Canada; Kentucky; Teu- Plesiotype.—Czt. No. 49502, U.S.N.M. STROMATOCERIUM CANADENSE var. MINIMUM Parks. See Stromatocerium pustu- losum. Stromatocerium eatoni Seely. Stromatocerium Eatoni Seely, Rep. Vermont State Geol., 4, 1904, p. 146, pi. 71, pi. 74, fig. 2.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 46. Chazyan: Isle La Motte, Vermont (Crown Point, Valcour). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1213 Stromatoceriuin huronense (Billings). Stenopora Huronensis Billings, Geol. Surv. Canada, Pal. Foss., 1, 1865, p. 185. Tetradium huronense Foord (part), Contr. Canadian Cambro-Sil. Micropal., 1883, p. 25, pi. 7, figs. 1, la. Labechia huronensis Whiteaves, Canadian Rec. Sci., 7, 1897, p. 131. — Lainbe, Ottawa Nat., 13, 1899, p. 170. Stromatocerium huronense Parks, Univ. Toronto Studies, Geol. Ser., No. 7, 1910, p. 20, pi. 22, figs. 4-10; pi. 23, fig. 5. Alveolites granulosus James, Cat. Foss. Cincinnati Group, 1872, p. 2; Jour. Cin- cinnati Soc. Nat. Hist., 15, 1892, p. 148, fig. 9a-c. Labechia ohioensis Nicholson, Mon. British Strom., 1885, p. 32, pi. 1, figs. 1, 2, footnote; Ann. Mag. Nat. Hist., 5th ser., 18, 1886, p. 13, pi. 2, figs. 1, 2.— Grabauand Sliimer, N. A. Index Fossils, 1, 1906, p. 46, fig. 73. Richmond: Cape Smyth, etc., Ontario; Ohio; Indiana; Kentucky. Stromatocerium huronense australe Parks. Stromatocerium huronense var. australe Parks, Univ. Toronto Studies, Geol. Se- ries, No. 7, 1910, p. 24, pi. 22, fig. 11. Richmond: Near Lebanon, and Jefferson County, Kentucky. Maysville (Leipers): Nashville, Tennessee. Holotype.—Cat. No. 49507, U.S.N.M. Stromatocerium lamottense Seely. Stromatocerium lamottense Seely, Rep. Vermont State Geol., 4, 1904, p. 147, pi. 69; pi. 72; pi. 74, fig. 1. Chazyan (Crown Point, Valcour) : Isle La Motte, Vermont. Stromatocerium lamottense chazianum Seely. Stromatocerium lamottense var. chazianum Seely, Rep. Vermont State Geol., 4, 1904, p. 148, pi. 73, upper fig. Chazyan (Crown Point, Valcour): Basin Harbor, Appletree Point, and South Hero, Vermont; Chazy, New York. Stromatocerium michiganense Parks. Stromatocerium michiganense Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, p. 9, pi. 21, figs. 1, 2. Lower Trenton: Ann Arbor, Michigan (Drift). Holotype—Ca,t. No. 56834, U.S.N.M. Stromatocerium? moniliferum Seely. Stromatocerium? moniliferum Seely, Rep. Vermont State Geol., 4, 1904, p. 149, pi. 73, lower fig.; pi. 74, figs. 3, 4. Chazyan (Crown Point, Valcour) : Isle La Motte, Vermont. Stromatocerium montiferum (Ulrich). Labechia montifera Ulrich, Contr. to Amer., Pal., 1, 1886, p. 33, pi. 2, figs. 9, 9a. Cumings, 32d Ann. Rep. Dep. Geol. Res. Indiana, 1907, p. 704, pi. 1, figs 2-2b. Richmond (Whitewater — Saluda) : Madison, Indiana. Stromatocerium pustulosum (Safford). Stromatopora pustolosa Safford, Geol. Tennessee, 1869, p. 285. Stromatocerium postulosum Hayes and Ulrich, U. S. Geol. Surv., Folio 95, 1903, illustr. sheet, figs. 23, 24. Stromatocerium canadense var. minimum Parks, Univ. Toronto Studies, Geol. Ser., No. 7, 1910, p. 20, pi. 22, fig. 3. 1214 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stromatocerlum pustulosuin — Continued. Trenton: Nashville and many other localities in Tennessee (Bigby, Catheys); various localities in Kentucky (Bigby — Cynthiana). Ple*iotype8.—e*t. Nos. 35406, 36930, U.S.N.M. STROMATOCERIUM RICHMONDENSE Miller. See Girvanella richmondenaia. Stromatocerium rugosum Hall. Stromatocerium rugosum Hall, Pal. New York, 1, 1847, p. 48, pi. 12, figs. 2, 2a, b.— Billings, Canadian Nat. Geol., 1, 1856, p. 127, figs. 14, 15.— Hitchcock, Geol. Vermont, 1, 1861, p. 290, fig. 190.— Chapman, Canadian Jour., n. s., 6, 1861, p. 508, fig. 72; Expos. Min. Geol. Canada, 1864, p. 102, fig. 72.— Romin- ger, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 118.— Nicholson and Murie, Jour. Linn. Soc. Zool., 14, 1878, p. 223.— Nicholson, Mon. British Strom., 1886, p. 83.— Roenier, Leth. Pal., 1880, p. 535.— Miller, N. A. Geol. Pal., 18S9, p. 165, fig. 123.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1102, fig. — Whiteaves, Canadian Rec. Sci., 7, 1897, p. 143. — Seely, Rep. Vermont State Geol., 1904, p. 144, pi. 74, fig. 5; pi. 70.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 46.— Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, p. 11, pi. 21, fig. 3-7. Stromatopora rugosa D'Orbigny, Prodr. de Pal., 1, 1849, p. 26 (gen. ref.). — Chap- man, Canadian Jour., n. s., 8, 1863, p. 197, fig. 169. — Billings, Geol. Surv. Canada, Rep. Progr. to 1863, 1863, p. 140, fig. 72; Geol. Surv. Canada, Pal. Foss., 1, 1865, p. 213; Geol. Canada, 1863, p. 140, fig. 72.— Nicholson and Murie, Jour. Linn. Soc. London, Zool., 14, 1878, p. 195, fig. 1. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1108, fig. Black River: Watertown, etc., New York; Lake Champlain area; Pauquettes Rapids, etc., Canada; Kentucky; Tennessee; etc. Observation. — See Labechia macroetyla Parks for a possible synonym. STEOMATOPORA Goldfuss. Genotype: S. concentrica Goldfuss. Stromatopora Goldfuss, Petref. German, 1826, p. 22. — Nicholson, Ann. Mag. Nat. Hist., 4th ser., 4, 13, 1874, p. 4; Geol. Surv. Ohio Pal., 2, 1875, pp. 245, 246. — Carter, Ann. Mag. Nat. Hist., 4th ser., 19, 1877, p. 67.— Dawson, ibid., 2, 1878, p. 28.— Carter, ibid., 2, 1878, p. 85, 304, 314; ibid., 4, 1879, pp. 101, 254. — Nicholson and Murie, Jour. Linn. Soc. London, Zool., 14, 1878, pp. 187, 195, 217.— Steinmann, Palaeontographica, 25, 1878, p. 113.— Zittel, Handb. Pal., 1, 1879, p. 285.— Dawson, Quart. Jour. Geol. Soc. London, 35, 1879, p. 55.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 529, 536.— Bargatsky, Ann. Soc. Geol. du Nord., Lille, 9, 1883, p. 127.— Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 100.— Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 44; Trans. Acad. Sci. St. Louis, 4, 1884, p. 594.— Maurer, Abhandl. d. geol. Landes, 1, Heft 2, 1885, p. 107.— Freeh, Zcits. d. Deutsehen geol. Gesell., 37, 1885, p. 115.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 1886, pp. 250, 246.— Nicholson, Mon. British Strom. Pal. Soc., 1886, pp. 2, 11, 91; ibid., 1892, p. 219.— Waagen and Wentzel, Mem. Geol. Surv. Indica, Pal. Indica, 13th ser., 1, 1888, p. 943.— Miller, N. A. Geol. Pal., 1889, p. 165.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 15, pt. 3, 1892, pp. 88, 89.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 156; Zittel-Eastman Pal., 1, 1900, p. 112.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 134; Bull. New York State Mus., 9, 1901, p. 134.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 44.— Parks, Univ. Toronto Studies, Geol. Series, No. 4, 1907, p. 25; ibid., No. 5, 1908, p. 44; ibid., No. 6, 1909, p. 20; Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 123. Pachystroma Nicholson and Murie, Jour. Linn. Soc. London, zool., 14, 1878, pp. 214, 223.— Nicholson, Mon. British Strom. Pal. Soc., 1886, pp. 17, 91. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1215 Stromatopora amii Parks. Stromatopora amii Parks, Univ. Toronto Studies, Geol. Series, No. 6, 1909, p. 36, pi. 19, figs. 7, 8. Niagaran: Southampton Island, Hudson Bay, Canada. Stromatopora antiqua (Nicholson and Murie). Pachystroma antiqua Nicholson and Murie, Jour. Linn. Soc. Zool., 14, 1879, p. 224, pi. 4, figs. 2-5. Stromatopora antiqua Nicholson, Mon. British Strom., pt. 1, 1886, p. 17, pi. 5, figs. 8-11; Ann. Mag. Nat. Hist., 1891, p. 310, pis. 8-10, figs. 9-11.— Whiteaves, Pal. Foss., 3, pt. 2, 1895, p. 53; Canadian Rec. Sci., 7, 1896, p. 136; Pal. Foss., 3, pt. 4, 1906, p. 328.— Grabau and Shinier, N. A. Index Fossils, 1; 1906, p. 44, fig. 70.— Parks, Univ. Toronto Studies, Geol. Series, No. 4, 1907, p. 28; ibid., No. 5, 1908, p. 48, pi. 13, figs. 1-6. Niagaran: Thorold, Ontario, and Lockport, New York (Lockport); ?Durhain, Ontario (Guelph). STROMATOPORA BARRETTI Grabau and Shimer. See Syringostroma barretti. Stromatopora carter! Nicholson. Stromatopora carteri Nicholson, Mon. British Strom., 1891, p. 174, pi. 1, figs. 6, 7; pi. 22, figs. 1, 3; Ann. Mag. Nat. Hist., 6th ser., 7, 1891, p. 314, pi. 9, figs. 5, 6.— Whiteaves, Canadian Rec. Sci., 7, 1896, p. 137.— Parks, Ottawa Nat., 22, 1908, p. 28; Univ. Toronto Studies, Geol. Series, No. 5, 1908, p. 52; ibid., No. 6, 1909, p. 38, pi. 19, figs. 9, 10. Silurian: England; Hudson Bay region, Canada. Stromatopora clarkei Parks. Stromatopora clarkei Parks, Univ. Toronto Studies, Geol. Series, No. 6, 1909, p. 48, pi. 17, fig. 12; pi. 18, fig. 1. Cayugan (Cobleskill) : Schoharie County, New York. STROMATOPORA COMPACTA Billings. See Solenopora compacta. STROMATOPORA CONCENTRICA of authors. See Stromatopora constellata. Stromatopora constellata Hall. Stromatopora constellata Hall, Pal. New York, 2, 1851, p. 324, pi. 72, figs. 2a, b.— Whiteaves, Canadian Rec. Sci., 7, 1896, p. 137.— Schuchert, Amer. Geol., 31, 1903, p. 164.— Parks, Univ. Toronto Studies, Geol. Series, No. 5, 1908, p. 44, pi. 13, figs. 7, 8, 10; ibid., No. 6, 1909, pp. 41, 46, pi. 17, figs. 10, 11; pi. 18, fig. 8.— Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 221, pi. 27, figs. 1-6; pi. 28, figs. 1-2; pi. 29; pi. 30, fig. 1. Crenostoma constellatum Spencer, Bull. Univ. State Missouri, 1, 1884, p. 48, pi. 6, fig. 11; Trans. Acad. Sci. St. Louis, 4, 1884, p. 598, pi. 6, fig. 11. Ccenostroma constellatum Miller, N. A. Geol. Pal., 1889, p. 157, fig. 100.— Nichol- son, Mon. British Strom. Pal. Soc., 1891, p. 173. Stromatopora hudsonica Dawson, Quart. Jour. Geol. Soc., 35, 1879, p. 52, pi. 4, figs. 9a, 9b; pi. 5, fig. 10.— Nicholson, Mon. British Strom., 1891, p. 172; Ann. Mag. Nat. Hist., 6th ser., 7, 1891, p. 312, pi. 8, figs. 1-3.— Whiteaves, Canadian Rec. Sci., 7, 1896, p. 137. Stromatopora concentrica Hall, Pal. New York, 2, 1851, pi. 73, figs. 2a-b. — Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 63.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 190.— Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, p. 595, pi. 6, figs. 8, 8a; Bull. Mus. Univ. State Missouri, 1, 1884, p. 45, pi. 6, figs. 8, 8a.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1102, fig.— 1216 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stromatopora constellata — Continued. Grabau, Bull. Buffalo Soc. Nat. SdL, 7, 1901, p. 134, fig. 28.— Schuchert, Amer. Geol., 31, 1903, p. 165.— Weller, Geol. Surv. New Jersey Pal., 3, 1903, p. 223. Niagaran and Cayugan: Schoharie, New York (Cobleskill). Various localities in New York and Canada. Helderbergian (Keyser): Cumberland, etc., Maryland; West Virginia; Pennsyl- vania; New Jersey. STROMATOPORA CONTORTA Grabau and Shinier. See Syringostroma centrotum. Stromatopora eorallifera Parks. Stromatopora eorallifera Parks, Univ. Toronto Studies, Geol. Series, No. 6, 1909, p. 22, pi. 18, fig. 7. Helderbergian: Port Jervis, New York. STROMATOPORA CYSTOSA Rominger. See Clathrodictyon cystosum. Stromatopora galtensis (Dawson). Coenostroma galtense Dawson, Life's Dawn on the Earth, 1875, p. 160; Quart. Jour. Geol. Soc. London, 25, 1879, p. 52. Stromatopora galtensis Nicholson, Mon. Brit. Strom., 1891, p. 173. — WTiiteaves. Pal. Fossils, 3, pt. 2, 1895, p. 52; Can. Rec. Sci., 7, 1896, p. 136.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 36, pi. 1, fig. 13.— Whit- eaves, Pal. Fossils, 3, 1906, p. 328.— Parks, Univ. Toronto Studies, Geol. Series, No. 4, 1907, p. 25, pi. 4, figs. 3, 4.— Grabau, Mich. Geol. Surv., Geol. Ser.,1, 1909, p. 90, pi. 8, fig. 1 Niagaran (Guelph) Elora and Durham, Ontario. Upper Monroan (Amherstburg) : Amherstburg, Ontario. Stromatopora Hindei Nicholson. Not recognized. Stromatopora hindei Nicholson, Ann. Mag. Nat. Hist., 4th ser., 4, 13, 1874, p. 12 and p. 13, figs. 3a-c; Rep. Pal. Prov. Ontario, 1874, p. 13, figs, la-c.— Nicholson and Hinde, Canadian Jour., n. s., 14 -, 1874, p. 140. — Nicholson, Rep. Pal, Prov. Ontario, pt. 2, 1875, pp. 43, 49, 50, fig. 23.— Nicholson and Murie, Jour. Linn. Soc. London, Zool., 14, 1878, p. 209, fig. 3. — James, Paleontologist, No. 2, 1878, p. 10.— Whiteaves, Can. Rec. Sci., 7, 1897, p. 144.— Parks, Univ. Toronto Studies, Geol. Series, No. 5, 1908, p. 56.— Miller, N. A. Geol. Pal., 1889, p. 165, fig. 124.— James, J. F., Jour. Cincinnati Soc. Nat. Hist., 15, pt. 3, 1892, p. 92. Niagaran: Owen Sound, Ontario. Observation. — Species rejected by author. STROMATOPORA HUDSONICA Dawson. See Stromatopora constellata. Stromatopora indiaiicnsis Parks. Stromatopora indianensis Parks, Univ. Toronto Studies, Geol. Series, No. 5, 1908, p. 50, pi. 12, figs. 6, 9. Brassfield(?Louisville): North Madison, Indiana. Holotype.—Czt. No. 41216, U.S.N.M. Stromatopora indianiensis James. Stromatopora indianiensis James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 3, 1892, p. 92.— Parks, Univ. Toronto Studies, Geol. Series, No. 7, 1910, p. 48. Upper Cincinnatian: Near Connersville, Indiana. Observation. — Probably the same as Stromatocerium huronense, although the James species is not defined so as to be recognized. Moreover the type is lost, so the name had better be dropped. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1217 STROMATOPORA INSOLENS James. See Dystactospongia insolens. STROMATOPORA LICHENOIDES James. See Arthropora shafferi. Stroinatopora ludlowensis James. Not recognized. Stromatopora ludlowensis James. Jour. Cincinnati Soc. Nat. Hist., 7, 1884, p. 140, pi. 8, figs. 4, 4a, 7, 7a; ibid., 9, 1886, p. 251; ibid., 15, pt. 3, 1892, p. 91.— Bassler, Proc. IT. S. Nat. Mus., 30, 1906, p. 57. Eden: Ludlow, Kentucky. Observation. — Not a valid species. The type specimen is an irregular, solid mass, composed of successively incrusting layers of Ceramoporella. Stromatopora lunata James. Not recognized. Stromatopora lunata James, Paleontologist, No. 2, 1878, p. 10. Alexandrian (Brassfield): Clinton County, Ohio. STROMATOPORA MAMMILLATA Schmidt. See Clathrodictyon striatellum. STROMATOPORA MINUTUM Rominger. See Clathrodictyon vesiculosum minutum. STROMATOPORA OSTIOLATA Nicholson. See Clathrodictyon ostiolatum. STROMATOPORA PAPILLATA James. See Dermatostroma papillatum. STROMATOPORA PUSTULOSA Safford. See Stromatocerium pustulosum. Stromatopora (Coanostroma) pustulosa Grabau. Stromatopora (Ccenostroma) pustulosum Grabau, Michigan Geol. Surv., Gebl. Ser., 1, 1909, p. 91, pi. 9, figs. 3, 4. Upper Monrdan (Anderdon): Anderdon quarry, near Amherstburg, Ontario. STROMATOPORA RUGOSA Billings. See Stromatocerium rugosum. STROMATOPORA SCABRA James. See Dermatostroma scabrum. STROMATOPORA STRIATELLA McCoy. See Clathrodictyon vesiculosum. STROMATOPORA STRIATELLA D'Orbigny. See Clathrodictyon striatellum. STROMATOPORA SUBCYLINDRICA James. See Labechia subcylindrica. Stromatopora tubularis James. Not recognized. Stromatopora tubularis James, Jour. Cincinnati Soc. Nat. Hist., 7, 1884, p. 139, pi. 7, figs. 3-3b; ibid., 9, 1886, p. 250; ibid., 15, 1892, p. 89.— Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 57. Eden: Cincinnati, Ohio. Observation. — The type of this species is a cephalopod shell incrusted by successive layers of Ceramoporella. STROMATOPORA VARIOLARIS Von Rosen. See Clathrodictyon variolare. STROMATOPORA VESICULOSA Rominger. See Clathrodictyon cystosum. Stromatopora wilsoni Parks. Stromatopora wilsoni Parks, Ottawa Nat., 22, 1908, p. 28; Univ. Toronto Studies, Geol. Series, No. 6, 1909, p. 40, pi. 19, figs. 11, 12. Niagaran: Pagwachuan River, Hudson Bay, Canada. STROM ATOPORELLA Nicholson. Genotype: Stromatopora granulata Nicholson. Stromatoporella Nicholson, Ann. Mag. Nat. Hist., 5th ser., 17, 1886, p. 234, foot- note; Mon. Brit. Strom. Pal. Soc., 1886, p. 92; ibid., 1892, p. 219.— Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, p. 29. 1218 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stromatoporella elora Parks. Stromatoporella elora Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, p. 29; pi. 3, fig. 3; pi. 5, figs. 1-3; pi. 6, fig. 6. Niagaran (Guelph): Gait, Elora, Durham, etc., Ontario. Stromatoporella elora minuta Parks. Stromatoporella elora var. minuta Parks, Univ. Toronto Studies, Geol. Ser., No. 4, 1907, p. 31, pi. 5, figs. 2, 5, 6; pi. 6, fig. 7. Niagaran (Guelph) : Durham, Ontario. STROMATOTRYPA Ulrich. Genotype: S. ovata Ulrich, • Stromatotrypa Ulrich, Geol. Minnesota, 3, 1893, p. 301.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 758.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, p. 35.— Grabau and Shimer, N. A. Index Fossils, 1, p. 137. Stromatotrypa globularls Ulrich and Bassler. Stromatotrypa globularis Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 279, pi. 62, figs. 1-4; pi. 66, figs. 8, 9. Helderbergian (Keyser): Keyser, West Virginia; Cash Valley, Pinto, etc., Mary- land. Cotypes.— Cat. No. 53671, U.S.N.M. Stromatotrypa ovata Ulrich. Stromatotrypa ovata Ulrich, Geol. Minnesota, 3, 1893, p. 302, pi. 24, figs. 24-31.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 137, fig. 188m, 190m. Black River: Minneapolis and St. Paul, Minnesota (Decorah); Beloit, Wisconsin (Platteville). Cotypes.— Gat. No. 43614, U.S.N.M. STROMBODES Schweigger. Genotype: S. pentagonus Goldfuss. Strombodes Schweigger, Handb. der Naturg., 1820, p. 418. — Goldfuss, Petrefacta, 1826, p. 63.— Eichwald, Zool. Specialis, pt. 1, Vilnae, 1829, p. 188.— Dana, Amer. Jour. Sci. Arts, 2d ser., 1, 1846, p. 185; Wilkes' U. S. Expl. Exped., 1838-42, 7, Zoophytes, 1846, p. 359.— Owen, Amer. Jour. Sci. Arts, 2d ser., 2, 1847, p. 70.— McCoy, Ann. Mag. Nat. Hist., 2d ser., 3, 1849, p. 10.— Edwards and Haime,Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), pp. 172, 426.— McCoy, Cont. Brit. Pal., 1854, p. 78; Brit. Pal. Rocks and Foss., 1854, p. 34.— Pictet, Traite de Pal.,2d ed., 4, 1857, p. 459. —Milne- Edwards, Hist. Nat. d. Corall., 3, 1860, p. 416.— Goldfuss, Petrefacta, 2d ed., pt. 1, 1862, p. 58.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 130.— Zittel, Handb. Pal., 1, 1879, p. 233.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 400.— Miller, N. A. Geol. Pal., 1889, p. 205.— Sherzer, Amer. Geol., 7, 1891, pp. 296-301.— Koken, Die Leitfossilien, Leipzig, 1896, p. 312; Zittel-Eastman Textb. Pal., 1, 1913, p. 79.— Pocta, Syst. Sil. du Centre Boheme, 8, pt. 2, 1902, p. 176.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 70; Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 86. Lamellopora Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 70. Arachnophyllum Dana, Wilkes' U. S. Expl. Exped., 1838-42, 7, Zoophytes, 1846, p. 360, pi. 26, fig. 5; Amer. Jour. Sci. Arts, 2d ser., 1, 1846, p. 186, fig. 1.— McCoy, Brit. Pal. Rocks Fossils, 1854, p. 37.— Dybowski, Archiv. f. Naturf. Liv.-, Ehst-und Kurl., 5, 1873, p. 339.— Miller, N. A. Geol. Pal., 1889, p. 172.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 180. (Genotype: Acervularia baltica Lonsdale.) Astraeophyllum Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 152.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 56.— Miller, N. A. Geol. Pal., 1889, p. 172. (Genotype: A. gracile Nicholson and Hinde.) BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1219 Strombodes diffluens Edwards and Haime. Strombodcs diffluens Edwards and Haime, Polyp. Foss. Ter. Pal., 1851, p. 431; Brit. Foss. Corals, 1855, p. 294, pi. 71, figs. 2, 2a.— Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 34 (loc. ref.). Arachnophyllum diffluens Lambe, Ottawa Nat., 12, 1899, p. 244; Contr. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 183, pi. 14, fig. 12. Silurian: Wenlock, England (Wenlock); Chicotte River and Southwest Point, Anticosti (Ellis Bay, Gun River) ; Owen Sound, Ontario; Lake Temiscaming, Quebec. Strombodes eximius Billings. Strombodes eximius Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 18G6, p. 93. Arachnophyllum eximium Lambe, Ottawa Nat., 12, 1899, p. 245; Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 184, pi. 16, figs. 3, 3a, 4. Niagaran: Manitoulin and Cockburn Islands, Lake Huron. Strombodes gigas (Owen). Astrea? gigas Owen, Rep. Mineral Lands, 1844, p. 70, pi. 14, fig. 7 (not Phillipas- trea gigas of Billings and subsequent authors) . Strombodes gigas Calvin, Amer. Geol., 12, 1893, p. Ill, pi. 5, fig. 5. Niagaran: Iowa and Wisconsin. Strombodes gracilis (Nicholson and Hinde). Astrseophyllum gracile Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 138, fig. 4.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 57, fig. 28.— Miller, N. A. Geol. Pal., 1889, p. 172, text. fig. 135. Niagaran: Owen Sound, Ontario. STROMBODES GRACILIS Billings. See Acervularia gracilis. Strombodes granulosus (Foerste). Arachnohpyllum (Strombodes) granulosum Foerste, Bull. Kentucky Geol. Surv. 7, 1906, p. 318, pi. 3, fig. 1. Clinton (Waco)l Near Waco, Kentucky. Strombodes incertus Davis. Strombodes incertus Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt, 2, 1885, pi. 123, fig. 2. Niagaran (Louisville) : Near Louisville, Kentucky. Strombodes infundibularius (Owen). Lamellopora infundibularia Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 70, pi. 14, fig. 1. Strombodes infundibularius Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 432. Niagaran: Iowa and Wisconsin. Observation. — Neither defined nor figured so as to be recognized. Strombodes mamillaris (Owen). Astrea mamillaris Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 70, pi. 14, fig. 3. Strombodes mamillaris Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 123, fig. 4.— Calvin, Amer. Geol., 12, 1893, p. 109. Strombodes mamillatus Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 133, pi. 48, fig. 4.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 71. 1220 BULLETIN 92. UNITED STATES NATIONAL MUSEUM. Strombodes mamiliaris — Continued. Arachnophyllum mamillare Lambe, Cont. Canadian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 182, pi. 15, fig. 4. Niagaran: Iowa, Wisconsin, Michigan, Kentucky, Indiana, etc. Strombodes mamiliaris distans (Foerste). Arachnophyllum (Strombodes) mamillare-distans Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 319, pi. 3, figs. 2a-c. Clinton (Waco) : Panola, Kentucky. Strombodes mamillaris wilmingtonensis (Foerste). Arachnophyllum mamillare-wilmingtonensis Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 320. Lyellia striata N. P. James, Paleontologist, No. 2, 1878, p. 10. Strombodes pygmseus Foerste, Bull. Sci. Lab. Denison Univ., 3, 1888, p. 120, pi. 13, fig. 18. Clinton (Dayton) : Near Wilmington, Ohio. STROMBODES MAMILLATUS Rominger. See Strombodes mamillaris. Strombodes pentagonus Goldfuss. Strombodes pentagonus Goldfuss, Petrefacta Germaniae, 1, 1826, p. 62, pi. 21, ,fig. 3a, b.— Troost, 6th Geol. Rep. Tennessee, 1841, p. 185.— Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 430.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 420.— Goldfuss, Petrefacta, 2d ed., pt. 1, 1862, p. 58.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 306, fig. 308.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 131, pi. 48, fig. 2.— Whitfield, Geol. Wisconsin, 4, 1882, p. 275, pi. 15, fig. 5.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 401.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 121, figs. 2, 3.— Miller, N. A. Geol. Pal., 1889, p. 205, fig. 222.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1109, fig.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 70, fig. 109. Arachnophyllum pentagonum Lambe, Cont. Canadian Pal., Geol. Siirv. Canada, 4, pt. 2, 1901, p. 181, pi. 15, figs. 3, 3a. Niagaran: Drummonds Island, etc., Lake Huron; Kentucky; Tennessee; Wis- consin; etc. ' STROMBODES PYGM.ETJS Foerste. See Strombodes mamillaris- wilmingtonensis. Strombodes pygmseus Rominger. Strombodes pygmagus Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 132, pi. 48, fig. 3.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 123, fig. 1. Niagaran: Point Detour and Drummonds Island, Lake Huron; Louisville, Ken- tucky (Louisville). Strombodes quadrangularis Davis. Strombodes quadrangularis Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 122, fig. 3. Niagaran (Louisville): Near Louisville, Kentucky. Strombodes richardsoni (Salter). Arachnophyllum Richardsoni Salter, Sutherland's Jour. Voyage in Baffins Bay, etc., 2, 1852, p. 232, pi. 6, figs. 10, 10a.— Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 585. Niagaran: Point Eden, Baring Bay, and Cape Hilgard, Arctic America. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1221 Strombodes separatus Ulrich. Strombodes separatus Ulrich, Cont. Amer. Pal., 1, 1886, p. 32, figs. 1, 2. Niagaran (Louisville): Near Louisville, Kentucky. Strombodes sinemurus Davis. Strombodes sinemurus Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 121, fig. 4; pi. 122, figs. 4, 6; pi. 123, fig. 3. Niagaran (Louisville): Near Louisville, Kentucky. Strombodes striatus (D'Orbigny). Favastraea striata D'Orbigny, Prodr. Pal., 1, 1849, p. 48. — Bonle and Thevenin, Ann. Pal., 1, 1906, p. 8, pi. 3, figs. 10, II. Strombodes striatus Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch. duMus. d'Hist. Nat., 5), p. 430.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 420.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 131, pi. 48, fig. 1.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 121, fig. 1; pi. 122, figs. 1, 2.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 71. Niagaran: Drurnmonds Island, etc., Lake Huron; Louisville, Kentucky; Ten- nessee (Louisville). Strombodes unicus Davis. Strombodes unicus Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 122, fig. 5. Niagaran (Louisville): Near Louisville, Kentucky. STROPHEODONTA Hall. Genotype: Strophomena demissa Conrad. Stropheodonta Hall, Pal. New York, 2, 1852, p. 63.— Hall and Clarke, ibid., 8, pt. 1, 1892, p. 284.— Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 147.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 194; ibid., 7, 1901, p. 180; Bull. New York State Mus., 45, 1901, p. 180— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 212.— Schuchert, Zittel-Eastman Textb. Pal., 1900, p. 313; 2ded., 1913, p. 385. Strophodonta Hall, Geol. Surv. Iowa, 1, 1858, p. 491. — Billings, Canadian Jour. Sci. Arts, n. s., 6, 1861, p. 332; Proc. Portland Soc. Nat. Hist., 1863, p. 108.— Hall, Pal. New York, 4, 1867, p. 78.— Zittel, Handb. Pal., 1, 1880, p. 677.— Hall, Proc. Amer. Assoc. Adv. Sci., 32, 1884, p. 268.— Miller, N. A. Geol. Pal., 1889, p. 379.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 142. Brachyprion Shaler, Bull. Mus. Comp. Zool., 4, 1865, p. 63. — Hall and Clarke, Nat. Hist. New York, 8, pt. 1, 1892, pp. 220, 286, 288, 289, 292; llth Ann. Rep. New York State Geol., 1894, pp. 280, 281.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 385. Leptostrophia Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 288; llth Ann. Rep. New York State Geol., 1894, p. 281. (Genotype: Stropheodonta inag- nifica Hall.) Cardiodonta Hall, Proc. Arner. Assoc. Adv. Sci., 2, 1850, p. 349, footnote. Stropheodonta acaiithoptera (Whiteaves). Strophomena acanthoptera Whiteaves, Canadian Rec. Sci., 1891, p. 294, pi. 3, figs. 1, 2. Stropheodonta acanthoptera Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 285, pi. 24, figs. 8, 9. Niagaran: District of Saskatchewan and Lake Winnepegosis, Canada. 1222 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stropheodonta (Brachyprion) anlicostiensis (Shaler). Strophomena anticostiensis Shaler, Bull. Mus. Comp. Zool., 4, 1865, p. 62. Anticostian (Gun River and Jupiter River): Island of Anticosti. Stropheodonta blpartita (Hall). Leptama bipartita Hall, Pal. New York, 2, 1852, p. 326, pi. 74, figs. 4, 5. Strophomena bipartita Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 82.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 429. Stropheodonta bipartita Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 226, pi. 20, figs. 1-5. Stropheodonta (Leptostrophia) bipartita Schuchert, Amer. Geol., 31, 1903, p. 165.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 316, pi. 57, figs. 17, 18. Stropheodonta textilis Hall, Nat. Hist. New York, 2, 1852, p. 327, pi. 74, fig. 6.— Schuchert, Bull. U. S. Geol. Surv., 89, 1897, p. 427. Stropheodonta (Leptostrophia) textilis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 288.— Schuchert, Amer. Geol., 31, 1903, p. 165. Leptama Hall, Nat. Hist. New York, 2, 1852, pi. 74, fig. 3. Strophodonta nearpassi Barrett, Amer. Jour. Sci., 3d ser., 15, 1878, p. 372. Stropheodonta nearpassi Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 427.— Weller, Ann. Rep. State Geol. New Jersey for 1899, 1900, p. 15. Cayugan (Cobleskill): Schoharie, New York. Helderbergian: Near Port Jervis, etc., New Jersey (Decker Ferry); Hyndman, Pennsylvania; Hancock, near Cumberland, Pinto, etc., Maryland (Keyser). Stropheodonta corrugata (Conrad). Strophomena corrugata Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 256, pi. 14, fig. 8.— Hall, Geol. New York; Rep. 4thDist., 1843, p. 73, fig. 2 on p. 72; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 82.— Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 303, pi. 6, fig. 25.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1125, fig. Leptsena corrugata Hall, Pal. New York, 2, 1852, p. 59, pi. 21, figs. 2a-2c. Strophodonta corrugata Hall, 2d Ann. Rep. New York State Geol., 1883, pi. 46, fig.l. Stropheodonta corrugata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 15, fig. 1; pt. 2, 1895, pi. 84, fig. 14.— Grabau, Bull. New York State Mus., 45, 1901, p. 181, fig. 85; Bull. Soc. Nat. Sci., 7, 1901, p. 181, fig. 85.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 213, fig. 253. Stropheodonta cf. corrugata Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 429, pi. 1, fig. 3. Clinton: Rochester, Wolcott, etc., New York; Cumberland Gap, Tennessee. ?Niagaran: Georgetown, Indiana. Stropheodonta(?) corrugata pleuristriata (Foerste). Leptaena corrugata (part) Hall, Pal. New York, 2, 1852, p. 59, pi. 21, figs. 2d, 2e. Strophomena corrugata var. pleuristriata Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 303, pi. 6, figs. 26, 27. Clinton: Cumberland Gap, Tennessee. Stropheodonta demissa homolostriata Grabau. Stropheodonta demissa mut. homolostriata Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 126, pi. 17, fig. 6. Upper Monroan (Amherstburg): Detroit River opposite Amherstburg, Ontario. Stropheodonta feildeni Etheridge. Strophodonta feildeni Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 598, pi. 25, fig. 4. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1223 Stropheodonta Fieldenl — Continued. Silurian(?): Cape Hilgard, Arctic America. Observation. — Since this species is very closely related to S. magnifica of the Oriskany sandstone the horizon is probably Lower Devonian (Schuchert). STROPHEODONTA? GENICULATA Schuchert. See Strophonella (Strophoprion) geni- culata Stropheodonta(?) gilpenl (Dawson). Strophomena gilpeni Dawson, Canadian Nat. Geol., n. s., 9, 1880, p. 341. Stropheodonta(?) gilpeni Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 422. Silurian: Pictou, Nova Scotia. Stropheodonta (Brachyprion) la tisculp tilts (Savage). Brachyprion latisculptilis Savage, Bull. State Geol. Surv. Illinois, 23, 1913, p. 71, pi. 4, fig. 5. Upper Medinan (Edgewood): Louisiana, Missouri; south of Hamburg, Illinois. Stropheodonta (Brachyprion) leda (Billings). Strophomena leda Billings, Canadian Nat. Geol., 5, 1860, p. 55, figs. 2, 3; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 120, figs. 98, 99 (adv. sheets, 1862); Geol. Canada, 1863, p. 311, fig. 316.— Lesley, Geol. Surv. Pennsylvania, Hep. P 4, 1889, p. 1129, figs. Brachyprion leda Shaler, Bull. Mus. Comp. Zool., 1865, p. 63. Stropheodonta leda Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 288.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 423. Rafinesquina leda Whiteaves, Pal. Foss., 3, pt. 3, Geol. Surv. Canada, 1897, p. 172. Anticostian (Becsie River and Jupiter River): East Point, near Becsie River Bay, etc., Anticosti. Stropheodonta niacra (Winchell and Marcy). Strophomena macra Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 91.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 392. Stropheodonta macra Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 424. Niagaran: Probably near Chicago, Illinois. Stropheodonta mundula Foerste. Stropheodonta mundula Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 21, pi. 2, fig. 18. Clinton (Crab Orchard): Between Poplar Flats and Martin's store, Lewis County, Kentucky. STROPHEODONTA NEARPASSI Weller. See Stropheodonta bipartita. Stropheodonta (Brachyprion) newsomensis Foerste. Stropheodonta (Brachyprion) newsomensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 87, pi. 4, fig. 67. Niagaran (Waldron): Newsom, Tennessee. STROPHEODONTA (BRACHYPRION) NIAGARENSIS Whiteaves. See Stropheodonta profunda. Stropheodonta patersoni antiqua Holtedahl. Stropheodonta patersoni antiqua Holtedahl, 2d Arct. Exp. "Fram," 1898-1902, No. 32, p. 19, pi. 7, figs. 2, 3. Helderbergian (Lower beds): Near Borgen, .Southwestern Ellesmereland, Arctic America. 1224 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Stropheodonta (Brachyprion) philomela (Billings). Strophomena philomela Billings, Canadian Nat. Geol., 5, 1860, p. 56, figs. 4, 5; Pal. Fossils, 1, 1862, p. 122, figs. 100,101; Geol. Canada, 1863, p. 311, fig. 317.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1131, figs. Brachyprion ventricosa Slialer, Bull. Mus. Comp. Zool., 1865, p. 63. Stropheodonta(?) ventricosa Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 427. Anticostian (Gun River-Jupiter River): East Point, Southwest Point, and The Jumpers, Anticosti. Stropheodonta (Brachyprion) plana Foerste. Stropheodonta (Brachyprion) planus Foerste, Cincinnati Soc. Nat. Hist. Jour., 21, 1909, p. 22, pi. 1, figs. 13A-C; pi. 2, figs. 11A, B. Clinton (West Union): Near Martins and at Harm Hill, Lewis County, Ken- tucky; West Union, Ohio. Stropheodonta prseplicata Grabau. Stropheodonta prae-plicata Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 126, pi. 17, fig. 12. Upper Monroan (Amherstburg) : Detroit River, opposite Amherstburg, Ontario. Stropheodonta prisca Hall. Stropheodonta prisca Hall, Pal. New York, 2, 1852, p. 63, pi. 21, fig. 9.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, p. 1117, figs. Clinton (upper): Kirkland, Oneida County, New York. Stropheodonta (Brachyprion) profunda (Hall). Leptsena profunda Hall, Pal. New York, 2, 1852, p. 61, pi. 21, figs. 4, 5. Strophomena profunda Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 82. Strophodonta profunda Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, pp. 369, 392, pl.13, figs. 3, 4; 28th Rep. New York State Mus. Nat. Hist., 1879, p. 151, pi. 23, figs. 9, 10; llth Rep. Indiana State Geol., 1882, p. 289, pi. 23, figs. 9, 10; pi. 27, fig. 18; 2d Ann. Rep. New York State Geol., 1883, pi. 44, figs. 1-5 (?figs. 19, 20).— Nettelroth, Kentucky Fossil Shells, Mem. • Kentucky Geol. Surv., 1889, p. 148, pi. 29, fig. 26; pi. 17, figs. 20, 21.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, p. 1118, fig. Stropheodonta (Brachyprion) profunda Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pl.13, figs. 1-5 (?19, 20); pi. 20, figs. 29-31; pt. 2, 1895, pi. 84, fig. 12. Stropheodonta profunda Grabau, Bull. New York State Mus., 45, 1901, p. 181, fig. 86; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 181, fig. 86.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 213, fig. 254. Brachyprion profundum Clarke and Ruedemann, Bull. New York State Mus., 65, 1903, p. 201 (gen. ref.). Strophomena niagarensis Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 92, pi. 2, fig. 9. Stropheodonta (Brachyprion) Niagarensis Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 271. Niagaran: Rochester, etc., New York (Irondequoit-Rochester) ; Waldron, Indiana (Waldron); Louisville, Kentucky (Louisville); Racine, Wisconsin, and Bridgeport, Illinois (Racine). Plesiotypes.—Vzt. No. 51309, U.S.N.M. (Nettelroth). Stropheodonta (Brachyprion) shaleri (Williams). Brachyprion ohaleri Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 329, pi. 29, figs. 10-12. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1225 Stropheodonta (Brachyprion) shaleri — Continued. Silurian (Edmunds): Burnt Cove, etc., Edmunds Township, Washington County, Maine. Cotypes.—C&t. Nos. 58950-58952, U.S.N.M. Stropheodonta (Brachyprion) stropheodontoides (Savage). Brachyprion stropheodontoides Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 72, pi. 4, fig. 4. Upper Medinan (Edgewood): Louisiana, etc., Pike County, Missouri; south of Hamburg, Illinois. STROPHEODONTA TEXTILIS Hall. See Stropheodonta (Leptostrophia) bipartita. Stropheodonta varistriata (Conrad). Strophomena varistriata Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 3842, p. 255, pi. 14, fig. 6. Strophodonta varistriata Hall, Pal. New York, 3, 1859, p. 180, pi. 8, figs. 1-16; pi. 16, figs. 1-8.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1119, figs. Stropheodonta varistriata Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 427.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 312, pi. 59, figs. 1, 2.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 261, pi. 24, figs. 13, 14.— Shinier, Bull. New York State Mus., 80, 1905, p. 240.— Grabau, Bull. New York State Mus., 92, 1906, p. 115, fig. 23.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 214, fig. 255. Cayugan (Manlius): Albany and Schoharie localities, New York. Helderbergian: New York and New Jersey (Decker Ferry); Hyndman, Penn- sylvania, and Cash Valley, Maryland (Keyser); Dalhousie, New Brunswick, and Gaspe, Quebec. Stropheodonta vasculosa Grabau. Stropheodonta vasculosa Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 124, pi. 17, figs. 8-11. Upper Monroan ( Amherstburg) : Detroit River, opposite Amherstburg, Ontario. STROPHEODONTA? VENTRICOSA Schuchert. See Strophendonta (Brachyprion) philo- mena. STROPHOCRINUS Sardeson. See Carabocrinus Billings. STROPHODONTA GENICULATA Hall. See Strophonella geniculata. STROPHODONTA NEARPASSI Barrett. See Strophodonta vipartita. STROPHODONTA STRIATA Hall. See Strophonella striata. STROPHOGRAPTUS Ruedemann. Genotype: S. trichomanes Ruedemann. Strophograptue Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 716, 717. Strophograptus trichomanes Ruedemann. Strophograptus trichomanes Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 717, 718, pi. 4, figs. 17-20. Canadian (Deepkill, Diplograptus dentatus zone): Deepkill, Rensselaer County, New York. STROPHOMENA (Rafmesque) Blainville. Genotype: S. rugosa Blainville. Strophomenes Rafmesque, Desc. Remarkable Objects in the Cabinet of Professor Rafinesque, 1831, p. 4. 1226 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. STROPHOMENA— Continued. Strophomena Blainville, Man. Malacol. et Conch., 1, 1825, p. 513, pi. 53, fig. 2.— De France, Diet. Sci. Nat. ,51, 1827, p. 151, and atlas.— King, Mon. Per. FOBS., Pal. Soc., 1850, p. 103.— Emmons, Amer. Geology, 1, pt. 2, 1855, pp. 186, 197.— Billings, Canadian Nat. Geol., 1, 1856, p. 133.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 58. — Chapman, Canadian Jour., n. s., 3, 1858, p. 161; ibid., 7, 1862, p. 112; Expos. Min. Geol. Canada, 1864, p. 115.— Meek (part), Pal. Ohio, 1, 1873, p. 73.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 51.— Zittel, Handb. Pal., 1, 1880, p. 677.— Winchell, 9th Ann. Hep. Geol. Nat. Hist. Surv. Minnesota, 1881, p. 118.— 60.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 513.— Salter, Mon. British Tril. Pal. Soc., 1866, p. 147.— Zittel, Handb. Pal., 2, 1885, p. 609.— Miller, N. A. Geol. Pal., 1889, p. 568.— Koken, Die Leitfossilien, Leipzig, 1896, p. 26, fig. 17, fig. 4.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 34, No. 8, 1901, p. 26. — Raymond, Trans, and Proc. Roy. Soc. Canada, 5, 3d ser., sec. 4, 1912, p. 117; Zittel-Eastman Textb. Pal., 1913, p. 719. Symphysurus apolonista Lake. Symphysurus Apolonista Lake Quart. Jour. Geol. Soc. London, 62, 1906, p. 427, pi. 40, figs. 2, 3. Ordovician: Near Apolo, Bolivia. Symphysurus convexus (Cleland). Asaphus convexus? Cleland, Bull. Amer. Pal., 3, 1900, p. 128 (256), pi. 16, fig. 4. Bathyurus sp. Cleland, Bull. Amer. Pal., 3, 1900, pi. 16, fig. 9. Illsenurus columbiana Weller, Pal. New Jersey, 3, 1903, p. 133, pi. 5, figs. 1-4. - Bathyurus? levis. Cleland, Bull. Amer. Pal., 4, 1903, p. 36, pi. 2, figs. 1, 2. 1248 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Symphysurus convexus — Continued. Symphysurus convexus Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, p. 42, pi. 14, figs. 14-16. Canadian: Fort Hunter, New York (Tribes Hill); Columbia, New Jersey (Upper Beekmantown). Symphysurus eurekensis (Walcott). Illaenurus Eurekensis Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 97, pi. 12, fig. 4,4a. Symphysurus eurekensis Freeh, Leth. geog., Letli. Pal., 2, 1 Lief., 1897, pi. Ib, fig. 6. Lower Pogonip: Ridge east of Hamburg Ridge, Eureka District, Nevada. Cotypes.—Czt. No. 24570, U.S.N.M. Symphysurus(?) goldfussi Walcott. Smyphysurus? Goldfussi Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 95, pi. 12, fig. 16. Upper Pogonip: McCoys Ridge, Eureka District, Nevada. Holotype.—C&t. No. 24648, U.S.N.M. Symphysurus illaenoides (Billings). Asaphus Illsenoides Billings, Canadian Nat. Geol., 5, 1860, p. 323; Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 414. Symphysurus Illaenoides Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, p. 441 (gen. ref); Trans, and Proc. Roy. Soc. Canada, 3d ser., 5, sec. 4, 1912, p. 120, pi. 3, fig. 5. Ozarkian? (Le vis-erratic) : Point Levis, Quebec. SYNAPTOPHYLLUM MULTICATJLE Grabau. See Diphyphyllum? multicaule. SYNBATHOCRINITES GRANTTLATUS Troost. See Synbathocrinus granulatus. SYNBATHOCRINITES TENNESSEE^ Troost. See Synbathocrinus troosti. SYNBATHOCRINUS Phillips. Genotype: S. conicus Phillips. Synbathocrinus Phillips, Geol. Yorkshire, pt. 2, 1836, p. 206.— Austin (part), Mon. Rec. and Foss. Crin., 1847, p. 93.— D'Orbigny, Prodrome Pal. Strat., 1, 1850, p. 156. — Owen and Shumard, Geol. Surv. Iowa, Wisconsin, and Minnesota, 1852, p. 597.— Hall, Geol. Ref. Iowa, 1, pt. 2, 1858, p. 559, fig. 76.— Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1868, p. 324; Amer. Jour. Sci. Arts, 48, 1869, p. 24; Geol. Rep. Illinois, 5, 1873, pp. 324, 437; ibid., 6, 1875, p. 514.— Wachsmuth, Amer. Jour. Sci., 14, 1877, pp. 182, 184; Ann. Mag. Nat. Hist., 5th ser., 1, 1878, p. 454.— Wetherby, Jour. Cincinnati Soc. Nat. Hist., Extr. 7, 1880. — Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, p. 90 (Rev. Pal., pt. 3, sec. 2, p. 166) .—Miller, N. A. Geol. Pal., 1889, p. 284 .—Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 209. Symbathocrinus D'Orbigny, Prodr. de Pal., 1, 1849, p. 157.— Pictet, Traite de Pal., 4, 1857, p. 333.— Schultze, Denk. Kais. Akad. Wiss. Math. Nat. Cl., 26, Abth., 2, 1867, p. 138, fig. 2— Zittel, Handb. Pal., 1879, p. 349.— Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1887, p. 106; ibid., 1888, p. 350; ibid., 1890, p. 354.— Bather, Kongl. Sven. Vet.-Akad. Handl., 25, 1893, pp. 21, 25, fig. 4; Nat. Sci., 12, 1898, p. 343; Treatise on Zool. (Lankester), 1900, p. 152, fig. 65.— Zittel, Grundzuge, Pal., 1, 1910, p. 147. Synbathocrinus granulatus (Troost). Synbathocrinites granulatus Troost, Amer. Jour. Sci. Arts, 2d ser., 8, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. mid.). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1249 Synbathocrinus granulatus— Continued. Synbathocrinus granulatus Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 397. Symbathocrinus granulatus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1886, p. 90 (Rev. Pal., pt. 3, sec. 2, p. 166).— Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 27, pi. 9, figs. 4, 7, 8. Niagaran (Brownsport) : Decatur County, Tennessee. Holotype and plesiotype.—C&t. No. 39938, U.S.N.M. Synbathocrinus tennesseensis (Roemer). Symbathocrinites tennesseese Troost (in part), Proc. Amer. Assoc. Adv. Sci. ,2, 1850, p. 61 (nom. nud.). Symbathocrinus tennesseeae Wachsmuth and Springer, Rev. Pal., 3, 1886, pp. 166, 174. Symbathocrinus tennesseensis Roemer, Die Sil. Fauna West. Tennessee, 1860, p. 55, pi. 4, figs. 6a, b.— Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 26. Niagaran (Brownsport): Decatur County, Tennessee. Plesiotype.—Cat. No. 39939, U.S.N.M. (Troost's type of S. tennesseese). Synbathocrinus troosti (Wood). Synbathocrinites Tennesseeae (part) Troost, Amer. Jour. Sci. Arts, 2d ser., 8, 1849, p. 419; Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 61 (nom. nud.). Symbathocrinus troosti Wood, Bull. U. S. Nat. Mus., 64, 1909, p. 27, pi. 9, fig. 9. Niagaran (Brownsport): Decatur County, Tennesee. Holotype.— Cat. No. 39930, U.S.N.M. STNDTOGRAPTTJS Ruedemann. Genotype: S. pecten Ruedemann. Syndyograptus Ruedemann, Mem. N. Y. State Mus., 11, pt. 2, 1908, p. 266. Syndyograptus pecten Ruedemann. Syndyograptus pecten Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 267-268, pi. 15, figs. 5, 6, fig. 184, 185. Chazyan (Normanskill) : Glenmont, New York. SYNHOMALONOTUS Pompeckj. Genotype: Calymmene tristani Brongniart. Synhomalonotus Pompeckj, Neues Jahrb. Min. Geol. Pal., 1, 1898, p. 240. Synhomalonotus christyi (Hall). Calymene cjiristyi Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 118; 15th Rep., ibid., 1862, pi. 10, figs. 2-5.— Miller, Cincinnati Quart. Jour. Sci., kl, 1874, p. 141.— Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 107, pi. 4, figs. 13-15. Synhomalonotus christyi Pompeckj ,• Neues Jahrb. Min., Geol. Pal., 1, 1898, p. 247. Richmond (Waynesville) : Oxford, Ohio. SYNTROPHIA Hall and Clarke. Genotype: Triplesia lateralis Whitfield. Syntrophia Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270; pt. 2, 1893, p. 216; 13th Ann. Rep. New York State Geol., 1895, p. 836.— Huene, Verh. d. Russ.-Kais. Min. Gesell. z. St. Petersburg, 38, 1900, p. 228, fig. 2.— Schu- chert, Zittel-Eastman Textb. Pal., 1900, p. 320; 2d ed., 1913, p. 392.— Wal- cott, Proc. U. S. Nat. Mus., 28, 1905, p. 288.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 270. 1250 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Syntrophia arachne (Billings). Stricklandia? Arachne Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 85, fig. 77, p. 419 (adv. sheets, 1862). Syntrophia arachne Hall and Clarke, Nat. Hist. New York, 8, pt. 2, 1893, p. 216. Ozarkian? (Levis — erratics): Point Levis, Quebec. Syntrophia arethusa (Billings). Stricklandinia? Arethusa Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 85, fig. 78 (adv. sheets, 1862). Syntrophia arethusa Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 216. * Ozarkian? (Levis — erratics): Point Levis, Quebec. Syntrophia(?) armanda (Billings). Orthis Armanda Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 303, fig. 293.— Hall and Clarke, Pal. New York, 8, pt. 1, 3892, p. 217. Syntrophia(?) armanda Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 440. Canadian (Beekmantown) : Phillipsburg, Quebec. Syntrophia calcifera (Billings). Camarella calcifera Billings, Canadian Nat. Geol., 6, 18C1, p. 318, fig. 3; Geol. Canada, 1863, p. 231, fig. 247; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 220.— Meek, 6th Ann. Rep. U. S. Geol. Surv.iTerr., 1873, p. 464. Triplecia? calcifera Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270. Syntrophia? calcifera Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 218, pi. 62, fig. 24.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 800, pi. 104, figs. la-i. Canadian: Point Levis, Phillipsburg, etc., Quebec (Beekmantown): Cow Head. Newfoundland (Quebec — P). Plesiotypes.— Cat. Nos. 17279, 52476, U.S.N.M. SYNTROPHIA CALCIFERA Grabau and Shimer. See Syntrophia nundina. Syntrophia campbelli Walcott. Syntrophia campbelli Walcott, Smiths. Misc. Coll., 53, 1908, pp. 107-108, pi. 10, figs. 9, 9a-c; Mon. U. S. Geol. Surv., 51, 1912, p. 801, figs. 73a-f. Canadian (Beekmantown) : Bunker Hill, six miles northeast of Rogersville, Hawkins County, Tennessee. Cotypes.—C&t. No. 52480, U.S.N.M. Syntrophia lateralis (Whitfield). Triplesi? lateralis Whitfield, Bull. Amer. Mus. Nat. Hist., 1886*j>. 303, pi. 24, figs. 9-11.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1225, figs.— Seely, Vermont State Geol. Rep., 7, 1910, pi. 62, figs. 9-11. Syntrophia lateralis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270; ibid., 8, pt. 2, 1893, p. 216, pi. 62, figs. 1-lt); 13th Ann. Rep. State Geol. New York, 2, 1894, pp. 836, 837, pi. 45, figs. 7-12.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 126, pi. 4, figs. 14, 15.— Walcott, Mon. U. S. Geol. Surv., 51, 1912, p. 802, fig. 11, p. 299; pi. 102, figs. 6, 6a-g. Canadian (Beekmantown): Fort Cassin, Vermont; Fort Hunter, New York; Columbia, New Jersey. Plesiotypes— Cat. No. 33447, U.S.N.M. SYNTROPHIA MULTICOSTA Hudson. See Clitambonites multicostus. Syntrophia nundina Walcott. Triplesia calcifera Walcott (not Billings), Mon. IT. S. Geol. Surv., 8, 1884, pp. 75-76, pi. 11, figs. 7 and 8. Syntrophia calcifera Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 271, fig. 325. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1251 Syntrophia nundina — Continued. Syntrophia nundina Walcott, Proc. IT. S. Nat. Mus., 28, 1905, p. 292; Mon. IT. S. Geol. Surv., 51, 1912, p. 802, pi. 102, figs. 4, 4a-d. Lower Pogonip: Eureka District, Eureka County, Nevada. Eolotype and plesiotypes.— Cat. Nos. 17280, 17281, U.S.N.M. Syntrophia palmata Cleland. Syntrophia palmata Cleland, Bull. Amer. Pal., 3, 1900, p. 130 (258), pi. 17, figs. 14-17; ibid., 4, 1903, p. 20. Canadian (Tribes Hill): Fort Hunter, New York. Syphonia pyriformis Owen. Not recognized. Syphonia piriformis Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 78, pi. 14, fig. 4. Niagaran: Iowa and Wisconsin. SYRINGOCRINUS Billings. See Dendrocystites Barrande. SYRINGOLITES Hinde. Genotype: S. huronensie Hinde. Syringolites Hinde, Geol. Mag., dec. 2, 6, 1879, p. 244.— Nicholson, Tab. Corals Pal. Period, 1879, p. 178.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 424.— Miller, N. A. Geol. Pal., 1889, p. 205.— Nicholson, Geol. Mag., dec. 3, 4, 1889, p. 433.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 45. Syringolites huronensis (Hinde). Syringopora Huronensis Hinde, Geol. Mag., dec. 2, 6, 1879, p. 245, fig. A-D; p. 246. Syringolites Huronensis Nicholson, Tab. Corals Pal. Period, 1879, p. 179, fig. 27— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 424, fig. 101.— Nicholson, Geol. Mag., dec. 3, 6, 1889, p. 433, fig. 1.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 45.— Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 301, pi. 2, fig. 3, pi. 4, fig. 2. Niagaran: Manitoulin Island, Lake Huron; Irvine, Kentucky, and vicinity (Waco). SYRINGOPHYLLUM Edwards and Haime. Genotype: Madrepora organum Linnaeus. Sarcinula Dana, Expl. Exp. Zooph., 1846, p. 363 (not Lamarck). Syringophyllum Milne-Edwards and Haime, British Foss. Corals, Intr., 1850, p. 72; Mon. Polyp. Foss., Terr. Pal., 1851, p. 449 (Arch. Mus. Hist. Nat. 5). Syringophyllum organum (Linnaeus). Madrepora organum Linnaeus, Syst. Nat., ed. 12, 1767, p. 1278. Sarcinula organon Schweigger, Handb. der Naturg., 1820, p. 420. — Eichwald, Zool. Spec., 1, 1829, p. 189. Sarcinula organum Goldfuss, Petref., 1826, p. 73, tab. 24, fig. 10.— Holl, Handb. der Petref., 1830, p. 401.— Blainville, Diet., 60, 1830, p. 314.— Man., p. 348.— Morren, Desc. Corrall. Belg., 1832, p. 67.— Hisinger, Leth. suec., 1837, p. 97, tab. 28, fig. 8.— Eichwald, Silur. Schicht. Esthland, 1840, p. 199.— Etheridge, Quart, Jour. Geol. Soc. London, 34, 1878, p. 586. Astreopora organum D'Orbigny, Prodr. de Pal., 1, 1850, p. 50. Syringophyllum organum Milne-Edwards and Haime, British Foss. Corals, Intr., 1850, p. 62; Mon. Polyp. Foss., Terr. Pal., 1851, p. 450 (Arch. Mus. Hist. Nat., 5). Silurian: England, Gothland, etc.; Capo Hilgard, Arctic America. 1252 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. STRINGOPORA Goldfups. Genotype: S. reticulata Goldfuss. Syringopora Goldfuss, Petr. Germ., 1826, p. 75; ibid., 2d ed., 1862, p. 71.— Eaton, Geol. Textb., 2d ed., 1832, p. 41.— McCoy, Syn. Char. Carb. Foss. Ireland, 1844, p. 189.— Dana, Wilkes's U. S. Expl. Exped., 1838-1842, 7, Zoophytes, 1846, p. 637.— Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 155, 285.— Hall, Pal. New York, 2, 1862, p. 118.— McCoy, British Pal. Rocks and Foss., 1854, p. 27.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 445.— Billings, Geol. Surv. Canada, Rep. Progr. for ] 857, 1858, p. 169; Canadian Nat. Geol., 3, 1858, p. 423; Canadian Jour., n. s., 4, 1859, p. 115.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 290.— Kunth, Zeits. d. d. geol. Gesell., 21, 1869, p. 191.— Koninck, Animaux Foss. Carb. Belgique (Mem. 1'Acad. Royale Sci. de Belgique), 39, 1872, p. 118.— Nichol- Bon, Rep. Pal. Prov. Ontario, pt. 1, 1874, p. 39. — Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 79.— Nicholson, Trans. Royal Soc. Edinburgh, 27, 1876, p. 241.— Lindstrom, Ann. Mag. Nat. dist., 4th ser., 18, 1876, p. 14.— Nicholson, Tab. Corals Pal. Period, 1879, p. 207.— Thomson, Proc. Royal Soc. Edinburgh, 11, 1881, p. 219; Proc. Phil. Soc. Glasgow, 14, 1883, p. 328.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 489.— Koch, Palseontographica, 29, 1883, pp. 335, 344.— Nicholson, Ann. Mag. Nat. Hist., 5th ser., 13, 1884, p. 30.— Miller, N. A. Geol. Pal., 1889, p. 206.— Beecher, Trans. Connecticut Acad. Arts Sci., 8, 1891, p. 210.— Sardeson, Neues Jahrb. Min., Geol., Pal., Beilage-Band, 10, 1896, p. 330.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 49.— Grabau and Shinier, N. A. Index Fossils, 1, 1906, p. 82.— Zittel-Eastman Textb. Pal., 1900, p. 101; 2d ed., 1913, p. 116. Drymopora Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 70 (not denned). (Genotype: D. fascicularis Davis.) Syringopora annulata Rominger. Syringopora annulata Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 81, pi. 32, lower tier. Niagaran: Drift of Ann Arbor, Michigan; Point Detour, Lake Huron. Syringopora bifurcata Lonsdale. Syringopora bifurcata Lonsdal •, Murch. Sil. Syst., 1839, p. 685, pi. 15 bis, figs. 11, 11, lib.— Lambe, Cont. Canadian Pal., 4, pt. 1, Geol. Surv. Canada, 1899, p. 51. Niagaran: Europe; Cape Wingfield, Lake Huron; Isle of Mann (Burnt Island), Lake Temiscaming, Quebec. Helderbergian: L'Anse a la Vielle, etc., Quebec. Syringopora compacta Billings. Syringopora compacta Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 169; Canadian Nat. Geol., 3, 1858, p. 423; Geol. Canada, Geol. Surv. Canada, 1863, p. 306, fig. 307.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 190, fig.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt, 1, 1899, p. 54.— Lesley, Geol. Surv. -Pennsylvania, Rep. P 4, 1890, p. 1147, fig. Silurian or Helderbergian: L'Anse a la Vielle, Quebec; Wisconsin. Syringopora cooper! Grabau. Syringopora cooperi Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 118, pi. 14, fig. 1. Upper Monroan (Flat Rock): Salt shaft, Oakwood (Detroit), Michigan. Syringopora dalmani Billings. Syringopora Dalmanii Billings, Canadian Nat. Geol., 3, 1858, p. 423; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 169; Geol. Canada, Geol. Surv. Canada, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1253 Syrlngopora claimant — Continued. 1863, p. 306, fig. 306.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 190, fig.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 51, pi. 2, fig. 2. Niagaran: Head of Lake Temiscaming, Quebec; Wisconsin. Syrlngopora debilis Billings. Syringopora debilis Billings, Canadian Nat. Geol., 3, 1858, p. 424; Geol. Surv. Canada, Rep. Progr. for 1857, 1859, p. 170. Silurian er Helderbergian: L'Anse a la Vielle, Quebec. Syringopora (Drymopora) fascicularis (Davis). Drymopora fascicularis Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 70, figs. 1-4; pi. 74, fig. 7. Syringopora (Drymopora) fascicularis Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 338. Niagaran (Louisville): Louisville, Kentucky. Upper Medinan (Brassfield): Ludlow Falls and Fair Haven, Ohio. Syringopora flbrata Rominger. Syringopora fibrata Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 82, pi. 30, fig. 3. Niagaran: Point Detour, Drummond Island, Lake Huron; Louisville, Kentucky (Louisville); Indiana; Iowa. SYRINGOPORA HURONENSIS Hinde. See Syringolites huronensis. SYRINGOPORA INFUNDIBULA Whitfield. See Cystostylus infundibulum. Syringopora lineata Owen. Not recognized . Syringopora (lineata?) Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 76, pi. 13, fig. 2. Niagaran: Iowa and Wisconsin. Syringopora microfundulus Grabau. Syringopora microfundulus Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 117, pi. 15, figs. 7, 8. Upper Monroan ( Anderdon) : Salt shaft at Detroit, Michigan . SYRINGOPORA? MULTICAULIS Hall. See Diphyphyllum? multicaule. Syringopora parallela Etheridge. Syringopora parallela Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 583, pi. 26, fig. 1. Niagaran: Dobbin Bay, Arctic America. Syringopora ramulosa Troost. Not recognized . Syringopora ramulosa (Goldfuss) Troost, 5th Geol. Rep. Tennessee, 1840, p. 69. Mountain limestone: Near Nashville, Tennessee. Syringopora retiforniis Billings. Syringopora retiforniis Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 170; Canadian Nat. Geol., 3, 1858, p. 424; Geol. Canada, Geol. Surv. Canada, 1863, p. 306, fig. 304.— Nicholson and Hinde, Canadian Jour., n. s., 14, 1874, p. 139.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1874, p. 58.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 190, fig.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1890, p. 1148, fig.— Larnbe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 52, pi. 2, fig. 3.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 82, fig. 131. Niagaran: Isthmus Bay, Lake Huron; Owen Sound, etc., Ontario; Wisconsin. 1254 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. SYRINGOPORA TENELLA Rominger. See Ceratopora tenella. Syringopora verticillata Goldfuss. Syringopora verticillata Gold fuss, Petrefacta Germ., 1826, p. 76, pi. 25, figs. 6a, b; 2d ed., 1862, p. 71.— Eaton, Geol. Textb., 2d ed., 1832, p. 41, pi. 5, fig. 63.— Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch, du Mus. d'Hist. Nat., 5), p. 291.— Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 170; Canadian Nat. Geol, 3, 1858, p. 423.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 291.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 306, fig. 305.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 80, pi. 30, figs. 1, 2.— Whitfield, Geol. Wisconsin, 4, 1882, p. 272, pi. 14, fig. 6.— Chamber- lin, Geol. Wisconsin, 1, 1883, p. 190, fig.— Hall, 12th Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1883, p. 254, pi. 3, fig. 5.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 50. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1148, fig.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 82.— Lambe, Cruise of the "Neptune," App. 4, 1906, p. 325. Niagaran: Drummond Island, Lake Huron; Point Detour, etc., Michigan; Wis- consin; Lake Temiscaming, Quebec; Anticosti; Southampton Island, Arctic America. STRINGOSTROMA Nicholson. Genotype: S. columnare Nicholson. Syringostroma Nicholson, Geol. Surv. Ohio, Pal., 2, 1875, p. 251. — Dawson, Quart. Jour. Geol. Soc. London, 35, 1879, p. 56. — Nicholson, Mon. British Strom., Pal. Soc., 1886, p. 97.— Miller, N. A. Geol. Pal., 1889, p. 166.— Girty, 48th Rep. New York State Mus., 2, 1895, p. 289; 14th Rep. State Geol. New York for 1894, 1897, p. 289.— Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 1909, p. 8. Syringostroma barretti Girty. Syringostroma barretti Girty, 48th Rep. New York State Mus., 2, 1895, p. 296, pi. 7, figs. 5, 6.— Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 1909, pp. 16-19.— Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 224, pi. 28, figs. 3, 4. Stromatopora (Syringostroma) barretti Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 45, fig. 72. Helderbergian: Indian Ladder, New York (Coeymans); south of Cookerly, Mary- land (Keyser). Syringostroma centrotum Girty. Syringostroma centrotum Girty, 48th Rep. New York State Mus., 2, 1894, p. 293, pi. 7, figs. 1, 2.— Parks, Univ. Toronto Studies, Geol. Ser., No. 6, 1909, p. 12-14.— Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 225, pi. 28, figs. 5, 6; pi. 30, fig. 2. Stromatopora (Syringostroma) centrota Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 45, fig. 72. Helderbergian: Herkimer County, New York; near signal station, Warrior Moun- tain, Maryland (Keyser). Syringostroma niagarense Parks. Syringostroma niagarense Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, p. 52, pi. 10, figs. 1, 2, 5, 7. Niagaran: North shore of Lake Michigan; Drummond Island ; drift at Ann Arbor, Michigan. Holotype— Cat. No. 36933, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1255 Syringostroma parallelum Parks. Syringostroma parallelum, Parks, Univ. Toronto Studies, Geol. Ser., No. 5, 1908, p. 54, pi. 10, figs. 3, 4, 6. Niagaran: Drummond Island, Lake Huron. Holotype.—Ca,t. No. 36934, U.S.N.M. TVENIASTER Billings. Genotype: Palseocoma spinosa Billings. Tseniaster Billings, Geol. Surv. Canada, dec. 3, 1858, p. 80. — Chapman, Canadian Jour., n. s., 6, 1861, p. 517.— Wright, Mon. BritishFoss. Echinod., Oolitic, 2, pt. 1 (Pal. Soc. for 1861), 1862, pp. 24, 34.— Chapman, Expos. Min. Geol. Canada, '1864, p. 111.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 300; rev. ed., 1870, p. 338.— Zittel, Handb. Pal., 1, 1879, p. 445.— Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1880, p. 323.— Stiirtz, Neues Jahrb. Min., Geol., Pal., 2, 1886, p. 150; Palseontographica, 32, 1886, pp. 78, 83.— Miller, N. A. Geol. Pal., p. 285.— Gregory, Geol. Mag., dec. 3, 6, 1889, p. 26.— Sturtz, Verh. naturh. Ver. preuss. Rheinl., etc., 1893, p. 20. — James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, pp. 138, 139.— Gregory, Proc. Zool. Soc. London for 1896, 1897, p. 1035; Treat. Zool., 3, Echinoderma, 1900, p. 250.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 715.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 216. Tseniura Gregory (not Tamiura Muller and Heule, 1837), Proc. Zool. Soc. London, 1897, p. 1035. Tseniaster cylindricus (Billings). Palseocoma cylindrica Billings, Geol. Surv. Canada, Rep. Progress for 1853-56, 1857, p. 292. Tseniaster cylindricus Billings, Geol. Surv. Canada, dec. 3, 1858, p. 81, pi. 10, figs. 4a-b.— Wright, Mon. British Foss. Echinod., Oolitic, 2, pt. 1 (Palaeon- togr. Soc. for 1861), 1862, p. 34.— Parks, Trans. Canadian Inst., 8, 1908, p. 371.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 220, pi. 36, figs, 2, 3, text fig. 18. Tseniura cylindricus Springer, Mem. Geol. Surv. Canada, 15P, 1911, p. 45 (loc. occ.).— Gregory, Proc. Zool. Soc. London for 1896, 1897, p. 1035. Lapworthura cylindrica Parks, Trans. Canadian Inst., 8, 1908, p. 371. Trenton (Curdsville) : Ottawa and Kirkfield, Ontario. Taeniaster elegans Miller. Tseniaster elegans Miller, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 41, pi. 1, figs. 6, 6a, 6b, 6c.— James, ibid., 18, 1895, p. 139.— Parks, Trans. Canadian Inst., 8, 1908, pp. 365, 371.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 221. Protaster elegans Parks, Trans. Canadian Inst., 8, 1908, p. 368. Richmond (Waynesville or Liberty) : Waynesville, Ohio. Cofypes.— Cat. No. 40878, U.S.N.M. T^NIASTEB GRANULIFERUS Cumings. See Alepidaster granuliferus. Taeniaster meafordensis Foerste. Tseniaster meafordensis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 326, pi. 4, figs. 5-7.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 221. Richmond: Near Meaford, Ontario. Taeniaster schohariae Ruedemann. Taeniaster schoharise Ruedemann, Bull. New York State Mus., 162, 1912, pi. 3, fig. 1.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 220. Trenton (Schenectady): Near Schoharie Junction, New York. 1256 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Taeniaster spinosus (Billings). Palaeocoma spinosa Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 292. Taeniaster spinosus Billings, Geol. Surv. Canada, dec. 3, 1858, p. 81, pi. 10, figs. 3a-3d.— Miller, N. A. Gepl. Pal., 1889, p. 285, fig. 439.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 219, pi. 36, fig. 1, text fig. 17. Trenton: Falls of Montmorency, Canada. T^NIODICTTA Ulrich. Genotype: T. ramulosa Ulrich. Tseniodictya Ulrich, Geol. Surv. Illinois, 8, 1890, p. 393.— (Ulrich, in press), Miller, N. A. Geol. Pal., 1889, p. 327.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 533.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 47.— Bassler, Bull. U. S. Geol. Surv., 292", 1906, p. 57. Tseniodictya schucherti Bassler. Tseniodictya schucherti Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 57, pi. 27, figs. 10-13. Clinton (Rochester): Grimsby, Ontario. Holotype.—C&t. No. 35772, U.S.N.M. T. 6-8.— Wood, Bull. IT. S. Nat. Mus., 64, 1909, p. 8. Niagaran (Brownsport) : Decatur County, Tennessee. Holotype.—C&t. No. 35091, U.S.N.M. TETRADELLA Ulrich. Genotypes: Beyrichia quadrilirata Hall and Whitfield and Tetradella subquadrans Ulrich. Tetradella Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, pp. 112-114.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 711.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 677; Zittel-Eastman Textb. Pal., 1, 1900, p. 644.— Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 306.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1041. — Bonnema, Mitt. Min. Geol. Inst. Groningen, 2, 1909, p. 35.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 353— Bassler, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 738. TETRADELLA CHAMBERSI Ulrich. See Ceratopsis chambersi. Tetradella lunatifera (Ulrich). Strepula lunatifera Ulrich, Geol. Surv. Canada, Cont. Micro-Pal., pt. 2, 1889, p. 56, pi. 9, figs. 14, 14b.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1890, p. 1100, figs. Tetradella lunatifera Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 112; Geol. Minnesota, 3, pt. 2, 1894, p. 680, pi. 46, figs. 12-14, 51a, 51b.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 127.— Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 39, fig. 6.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 353, fig. 1658h, i. Richmond: Stony Mountain, Manitoba; Anticosti; Ohio; Indiana; and Kentucky. Trenton: Cannon Falls, etc., Minnesota; Iowa; Kentucky; Tennessee; etc. Plesiotypes.—Cai. No. 41385, U.S.N.M. (Ulrich). TETRADELLA OCULIFERA Ulrich. See Ceratopsis oculifera. Tetradella quadrilirata (Hall and Whitfield). Beyrichia quadrilirata Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 105, pi. 4, figs. 6, 7. Beyrichia regularis Miller (not Emmons), Cincinnati Quart. Jour. Sci., 2, 1875, p. 351. Strepula quadrilirata Ulrich, Geol. Surv. Canada, Cont. Micro-Pal., pt. 2, 1889, p. 54, pi. 9, fig. 12.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1100, figs. Tetradella quadrilirata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 112; I Geol. Minnesota, 3, pt. 2, 1894, p. 679, pi. 46, figs. 1-11.— Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 39, figs. 4, 5.— Cumings, 32d Ann. Rep. 1264 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tetradella qu ad rilirat a— Continued. Dep. Geol. Nat. Res., Indiana, 1908, p. 1048, pi. 53, figs. 4, 4a.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 353, fig. 1658f, g.— Bassler, Zittel- Eastman Textb. Pal., 1913, p. 738, fig. 1425J. Richmond: Waynesville, Clarksville, etc., Ohio; Indiana; Kentucky; etc. Black River: Kentucky; Tennessee; Minnesota; etc. Pksiotypes.—Ca,t. Nos. 41582, 41583, U.S.N.M. TETRADELLA QUADRILIRATA var. SIMPLEX. See Tetradella simplex. Tetradella simplex (Ulrich). Tetradella quadrilirata var. simplex Ulrich, Geol. Surv. Canada, Cont. Micro-Pal., pt. 2, 1889, p. 55, pi. 9, fig. 13.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 2, 1895, p. 127.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res., Indiana, 1908, p. 1049, pi. 53, figs. 5, 5a. Tetradella simplex Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 307. Richmond: Stony Mountain, Manitoba; Anticosti; Ohio; Indiana; etc. Plesiotype.—Cat. No. 41584, U.S.N.M. Tetradella subquadrans Ulrich. Tetradella subquadrans Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 115, figs. 2a-c.— Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 39, figs. 1-3. Trenton: Trenton Falls, New York. Holotype.—C&t. No. 41384, U.S.N.M. TETRADIUM Dana. Genotype: T. fibratum Safford. Tetradium Dana, Wilkes' U. S. Expl. Exped. 1838-42, 7, 1846, p. 701.— Safford, Amer. Jour. Sci. Arts, 2d ser., 22, 1856, pp. 236-237.— Hitchcock, Geol. Vermont, 1, 1861, p. 289.— Safford, Geol. Tennessee, 1869, p. 533.— Nicholson, Geol. Surv. Ohio, Pal., 2, 1875, p. 221; Rep. Prov. Ontario, pt. 2, 1875, p. 27.— Nicholson and Etheridge, Ann. Mag. Nat. Hist., 4th ser., 20, 1877, pp. 161, 165; Mon. Sil. Foss. Girvan Dist., 1878, p. 29.— Nicholson, Tab. Corals Pal. Period, 1879, pp. 23, 231.— Zittel, Handb. Pal., 1, 1880, p. 619.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 481.— Miller, N. A. Geol. Pal., 1889, p. 206.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 92.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 153.— Sardeson, Neues Jahrb. Min., Geol. Pal., Beilage-Band, 10, 1896, p. 345. — Ruedemann, Amer. Geol., 22, 1898, p. 16-25.— Lindstrom, Ofvers. K. Vet.- Akad. Forhandl., 56, No. 2, 1899, p. 44; Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, p. 29.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 99.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res., Indiana, 1908, p. 700. Tetradium apertum Safford. Tetradium apertum Safford, Amer. Jour. Sci. Arts, 2d ser., 22, 1856, p. 238. — Lindstrom, Ofvers. K. Vet.-Akad. Forhandl., 56, No. 2, 1899, p. 44. Tetradium fibratum var. apertum Safford, Geol. Tennessee, 1869, p. 535. Middle Ordovician: Central Tennessee. Observation. — Several distinct species, including T. cellulosum, are included in Safford 's description, and until the subject has been revised, T. apertum can not be considered valid. Tetradium approximation Ulrich. Tetradium approximatum Ulrich, Amer. Geol., 1, 1888, p. 383. Tetradium minus Nicholson (not Safford), Rep. Pal. Province Ontario, pt. 2, 1875, p. 28; Geol. Surv. Ohio, Pal., 2, 1875, p. 222.— Nicholson and Etheridge, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1265 Tetradium approximatum — Continued. Ann. Mag. Nat. Hist., 4th ser., 20, 1877, p. 162, figs, a-g; Mon. Sil. FOBS. Girvan Dist., 1878, p. 30, fig. 2.— Nicholson, Tab. Corals Pal. Period, 1879, p. 23, fig. 10; p. 232, figs. 33a-c.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 154.— Foerste, Amer. Geol., 31, 1903, p. 343 (loc. occ.), p. 345.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res., Indiana, 1908, p. 709, pi. 2, figs. 1-lc.— Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 311, pi. 10, figs. la-b. Tetradium Huronense Foord (part), Cont. Micro-Pal., Geol. Surv. Canada, 1883, p. 25, pi. 7, figs. Ib-le (not 1, la). Tetradium fibratum Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 139, figs. 71a.— Miller, N. A. Geol. Pal., 1889, p. 206, figs. 224.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1184, figs. — James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 153. Richmond: Ohio; Indiana; Kentucky; Tennessee; Canada; etc. Tetradium cellulosum (Hall). Phytopsis cellulosum Hall, Pal. New York, 1, 1847, p. 39, p.'315, pi. 9, figs. 1, la-d. Tetradium cellulosum Dwight, Trans. Vassar Bros. Inst., 5, 1890, p. 76. — Ruede- mann, Amer. Geol., 22, 1898, pp. 16-25, pi. 5, figs. l-16a; Bull. New York State Mus., 49, 1901, p. 10.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 23, figs. 15, 16. Tetradium fibratum Billings (not Safford), Geol. Canada, Geol. Surv. Canada, 1863, p. 139, fig. 71b (not a).— Miller, N. A. Geol. Pal., 1889, p. 206, text fig. 225 (not 224).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1184, fig. Black River (Lowville): Watertown, etc., New York; Canada; Pennsylvania to Alabama; Kentucky; etc. Tetradium columnare (Hall). Chsetets columnaris Hall, Pal. New -York, 1, 1847, p. 68, pi. 23, figs. 4, 4a. Tetradium columnare Safford, Amer. Jour. Sci. Arts, 2d ser., 22, 1856, p. 237. — Hitchcock, Geol. Vermont, 1, 1861, p. 289.— Safford, Geol. Tennessee, 1869, p. 535.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 154. Trenton: Sugar River, Lewis County, New York; Tennessee; etc. Tetradium fibratum Safford. Tetradium fibratum Safford, Amer. Jour. Sci. Arts, 2d ser., 22, 1856, p. 237, fig. 2; Geol. Tennessee, 1869, p. 534, fig. 2.— Lambe (part), Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 1, 1899, p. 93, pi. 2, fig. 5.— Grabau and Shimer (part), N. A. Index Fossils, 1, 1906, p. 99, fig. 160.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, p. 184, fig. 21. Trenton and Maysville: Nashville, Columbia, etc., Tennessee; Kentucky; Vir- ginia; etc. TETRADIUM FIBRATUM of authors. See Tetradium approximatum. TETRADIUM FIBRATUM var. APERTUM Safford. See Tetradium apertum. TETRADIUM FIBRATUM MINUS Safford. See Tetradium minus. Tetradium halysitoides Raymond. Tetradium halysitoides Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 49, pi. 6, fig. 3; pi. 7, fig. 1. Black River (Lowville): Carden, Ontario. TETRADIUM HURONENSE Foord. See Tetradium approximatum and Stromatocerium huronense. 1266 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. Tetradium minus Safford. Tetradium minus Safford, Amer. Jour. Sci. Arts, 2d ser., 22, 1856, p. 238. Tetradium fibratum var. minus Safford, Geol. Tennessee, 1869, p. 535. Trenton (Hermitage): Various localities in central Tennessee. TETRADIUM MINUS of authors. See Tetradium approximatum. Tetradium Ontario Hall. Not recognized.' Tetradium Ontario Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, pi. 36, fig. 9.- Clinton: Shore of Lake Ontario. TETRADIUM PEACHH Nicholson and Etheridge. See Solenopora compacta. TETRADIUM PEACHH var. CANADENSE Foord. See Solenopora compacta. Tetradium racemosum Raymond. Tetradium racemosum Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 50, pi. 6, fig. 2. , Trenton: Near Ottawa, Ontario. Tetradium syringoporoides Ulrich. Tetradium sp. Bassler, Bull.^Virginia Geol. Surv., 2a, 1909, pi. 4, fig. 2. Tetradium syringoporoides Ulrich, in Stose, Folio U. S. Geol. Surv., 170, 1910, p. 58. Stones River: Pennsylvania, Maryland, Virginia, etc. TETRAGONIS Eichwald. See Ischadites Murchison. TETRAGRAPSUS of authors. See Tetragraptus Salter. TETRAGRAPSUS BRYONOIDES Salter. See Tetragraptus serra. TETRAGRAPTUS Salter. Genotype: T. cnicialis Salter. Tetragrapsus Salter, Quart. Jour. Geol. Soc. London, 19, 1863, pp. 136, 140, figs. 8a, b.— Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 9, 130; Mon. British Grapt., p. 105, fig. 49. Tetragraptus Hall, 20th Rep. New York State Cab. Hist., 1868, p. 217; rev. ed. (1870), p. 251.— Zittel, Handb. Pal., 1, 1879, p. 298.— Tullberg, Sveriges Geol. Unders., Ser.C, No. 55, 1883, p. 12.— Hermann, Geol. Mag., dec. 3, 3, 1886, p. 18.— Barrois, Ann. Soc. geol. du Nord., 21, Lille, 1893, p. 108.— Nicholson and Marr, Geol. Mag., dec. 4, 2, 1895, pp. 530-537, figs.— Holm, Geol. Mag., dec. 4, 2, 1895, pp. 433-484; Sveriges Geol. Unders., Ser.C, No. 150, 1895, p. 23; Geol. Foren Stockholm ForhandL, 17, 1895, p. 339.— Wiman, Bull. Geol. Inst., Univ. Upsala., 2, pt. 2, 1896, p. 265.— Koken, Die Leitfos- silien, Leipzig, 1896, p. 328.— Wiman, Nat. Sci., 9, 1896, p. 191.— Walther, Zeits. d. d. geol. Gesell., 49, 1897, p. 256.— Roemer and Freeh, Leth. geog., 1 Theil, Leth. Pal., 1, 3 Lief, 1897, p. 600.— Ruedemann, Amer. Nat., 32, 1898, p. 5; Zittel-Eastman Textb. Pal., 1, 1900, p. 118.— Elles and Wood, Mon. British Grapt., Pal. Soc., 1902, p. 55.— Ruedemann, Mem. New York State Mus., 7, 1904, pp. 642-644.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 29.— Ruedemann, Zittel-Eastman Textb. Pal., 2ded.,1913, p. 129. Etagraptus (subgenus of Tetragraptus) Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, p. 644. Tetragraptus acanthonotus Gurley. Tetragrapsus acanthonotus Gurley, Jour. Geol., 4, 1896, p. 65, pi. 4, figs. 1, la. Canadian (Levis): Near Point Levis, Quebec. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1267 Tetragraptus alatus (Hall). Graptolithus alatus Hall, Canadian Nat. Geol., 3, 1858, p. 162; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 128; Geol. Surv. Canada, dec. 2, 1865, p. 93, pi. 6, fig. 9. Tetragraptus (Graptolithus) alatus Nicholson, Mon. British Grapt., 1872, p. 67, fig. 37. Canadian (Levis): Point Levis, Quebec. Tetragrapttis amii (Lap worth). Graptolithus bryonoides Hall (part), Geol. Surv. Canada, dec. 1, 1865, p. 84, pi. 4, figs. 9, 10. Tetegraptus amii (Lapworth MS.), Elles and Wood, Mon. British Grapt., pt. 1, Pal. Soc., 1902, p. 60, pi. 5, figs. 4a-c, fig. 36.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 647-649, pi. 11, figs. 5-7, figs. 53, 54. Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); Deepkill, Rensselaer County, New York (Deepkill, Tetragraptus zone) ; Arkansas ; South Wales (Skiddaw). Tetragraptus approximatus (Nicholson). Tetragrapsus approximatus Nicholson, Ann. Mag. Nat. Hist., 4th ser., 11, 1873, p. 136, fig. 2. Canadian: Point Levis, Quebec (Levis, Clonograptus zone); Arkansas. TETRAGRAPTUS BIGSBYI of authors. See Tetragraptus similis, T. woodi, and T. pyg- maeus. TETRAGRAPTUS BRYONOIDES Hall. See Didymograptus(Isograptus)caduceus, Tetra- graptus serra, and T. similis. TETRAGRAPTUS CADUCEUS Brogger. See Didymograptus (Isograptus) caduceus and Tetragraptus similis. Tetragraptus clarkei Ruedemann. Tetragraptus fruticosus mut. (part) Ruedemann, New York State Pal., Ann. Rep., 1902, p. 566. Tetragraptus clarkei Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 652, 653, pi. 11, figs. 11-16. Canadian: Deepkill, Rensselaer County, New York (Deepkill, Didymograptus bifidus zone) ; Arkansas. Tetragraptus crucifer (Hall). Graptolithus crucifer Hall, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 125; Canadian Nat. Geol., 3, 1858, p. 149; Geol. Surv. Canada, dec. 2, 1865, p. 92, pi. 5, figs. 10, 13 (?pl. 6, fig. 7). Graptolithus (Monoprion) crucifer Hall, 20th Rep. New York State Cab. Hist., 1868, p. 226; rev. ed., 1870, p. 260; p. 223. Tetragrapsus crucifer Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 144. Tetragraptus crucifer Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 488, fig. 12.— Elles and Wood, Mon. British Grapt., Pal. Soc., 1902, p. 58, pi. 5, fig. 2. Canadian (Levis): Point Levis, Quebec; Skiddaw slate of England. Tetragraptus deiiticulatus (Hall). Graptolithus denticulatus Hall, Geol. Surv. Canada, Rep. Progress for 1857, 1858, p. 132; Canadian Nat. Geol., 3, 1858, p. 166; Geol. Surv. Canada, dec. 2, 1865, p. 88, pi. 4, figs. 12-16. Graptolithus (Monoprion) denticulatus Hall, 20th Rep. New York State Cab. Hist., 1868, p. 226; rev. ed., 1870, p. 260. 1268 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tetragraptus denticiilatus— Continued. Tetragrapsus denticulatus Gurley, Jour. Geol., 4, 1896, p. 101 (gen. ref.). Canadian (Levis, Didyinograptus zone): Point Levis, Quebec; Newfoundland (Quebec— P). Tetragraptus fruticosus (Hall). Graptolithus fruticosus Hall, Geol. Surv. Canada, Rep. for 1857, 1857, p. 128; Canadian Nat. Geol., 3, 1858, p. 162.— Billings, Geol. Surv. Canada, Pal. Foss., 1, 1865, pp. 366, 375.— Hall, Canadian Org. Rem., dec. 2, 1865, p. 90, pi. 5, figs. 6-8; pi. 6, figs. 1-3; 20th Ann. Rep. New York State Cab. Nat. Hist., 1867, pi. 3, fig. 15; rev. ed., p. 260, pi. 3, fig. 15, pi. 4, fig. 10, p. 223. Didymograptus? fruticosus Etheridge, jr., Ann. Mag. Nat. Hist., 4th ser., 14, 1874, 6, pi. 3, fig. 19. Graptolites (Didymograpsus) fruticosus McCoy, Jour. Geol. Surv. Victoria, Prodr. Pal. Victoria, dec. 1, 1874, p. 13, pi. 1, figs. 9-14. Tetragraptus (Bryograptus) fruticosus Brogger, Die sil. Etagen 2 and 3, etc., 1882, p. 39, Kristiania. Tetragraptus fruticosus Lapworth, Ann. and Mag. Nat. Hist., ser. 5, 6, 1880, p. 20.— Tullberg, Sver. Geol. Und. Afh. och upps. ser. C, no. 50, 1882, p. 22.— Lapworth, Roy. Soc. Canada, Proc. and Trans., 1886, p. 168. — Roemer and Freeh, Leth. Pal., 1, 1897, p. 602.— Ruedemann, Bull. New York State Mus., 52, 1902, pp. 554, 556, 566; p. 588, fig. 15.— Elles and Wood, Mon. British Grapt., pt. 1, Pal. Soc., 1902, p. 61, pi. 6, figs. 2a, b.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 649-652, pi. 9, figs. 11-14; pi. 10, figs. 1-10. Tetragrapsus fruticosus Ami, Geol. Surv. Canada, Rep.,2d ser., 3, pt. 2, 1889, p. 116k. Canadian: Island of Orleans and Point Levis, Quebec (Levis, Didymograptus zone); Deepkill, Rennsselaer County, New York (Deepkill, Tetragraptus zone); Arkansas; Newfoundland; Great Britain; Scania; Australia. TETRAGRAPTUS FRUTICOSUS (part) Ruedemann. See Tetragraptus clarkei. Tetragraptus headi (Hall). Graptolithus Headi Hall, Canadian Nat. Geol., 3, 1858, p. 161; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 127.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 228, fig. 236.— Hall, Geol. Surv. Canada, dec. 2, 1865, p. 8, fig. 3; p. 94, pi. 6, fig. 8 (?pl. 5, figs. 11, 12). Graptolithus (Loganograptus) headi Hall, 20th Rep. New York State Cab. Hist., 1868, p. 174, fig. 4; p. 226; rev. ed., 1870, p. 207, fig. 4. Tetragraptus Headi Nicholson, Quart. Jour. Geol. Soc. London, 64, 1868, p. 131. — • Roemer and Freeh, Leth. geog., 1 Theil, Leth. Pal., 1, 3 Lief, 1897, p. 602, . fig. 167.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 486, fig. 11.— Elles and Wood, Mon. British Grapt. Pal. Soc., 1902, p. 59, fig. 35a, b; pi. 5, figs. 3a, b. Tetragrapsus Headi Nicholson, Mon. British Grapt., 1872, p. 66, fig. 36. Tetragraptus cf. Headi Hoek, Neues Jahrb. Min. Geol. Pal., 34, 1912, p. 226, pi. 12, fig. 6. Canadian (Levis, Diplograptus dentatus zone): Point Levis, Quebec; Newfound- land; Skiddaw slate of Great Britain; Bolivia. Tetragraptus (Etagraptus) lentus Ruedemann. Tetragraptus (Etagraptus) lentus Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, p. 666, pi. 9, figs. 7-10. Canadian (Deepkill, Didymograptus bifidus zone): Deepkill, Rensselaer County, New York. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1269 Tetragraptus pendens Elles. Tetragraptus pendens Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 491, fig. 13.— Ruedemann, New York State Pal. Ann. Rep., 1902, p. 566.— Elles and Wood, Mon. British Grapt. Pal. Soc., 1902, p. 63, pi. 6, figs. 2a, b.— Ruede- mann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 653-655, pi. 11, figs. 17-20, fig. 55. Lower Ordovician: England (Skiddaw); Deepkill, Rensselaer County, New York (Deepkill, Didymograptus bifidus zone); Point Levis, Quebec (Levis, D. bifidus zone); Arkansas. Tetragraptus pygmaeus Ruedemann. Tetragraptus bigsbyi Ruedemann (part), New York State Pal. Ann. Rep., 1902, p. 590, fig. 18. Tetragraptus pygmseus Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 664, 665, pi. 12, figs. 11-14. Canadian (Deepkill, Tetragraptus, Didymograptus, and Diplograptus zones): Deepkill, Rensselaer County, and Mount Moreno, near Hudson, New York. Tetragraptus quadribrachiatus (Hall). Graptolithus quadribrachiatus Hall, Geol. Surv. Canada, Rep. for 1857, 1858, p. 125; Canadian Nat. Geol., 3, 1858, p. 149; Geol. Surv. Canada, Can. Org. Rem., dec. 2, 1865, p. 91, pi. 5, figs. 1-5; pi. 6, figs. 5, 6. Graptolites (Didymograpsus) quadribrachiatus McCoy, Jour. Geol. Surv. Victoria, Prodr. Pal. Victoria, dec. 1, 1874, p. 15, pi. 2, fig. 1. Tetragrapsus crucialis Salter, Quart. Jour. Geol. Soc., 19, 1863, p. 137, fig. 8b. Tetragrapsus quadribrachiatus Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 131.— Hopkinson, ibid., 31, 1875, p. 649, pi. 33, figs. 9a, b. Tetragraptus quadribrachiatus Linnarsson, Sver. Geol. TJnd. Afh. och upps., ser. C, No. 31, 1879, p. 5.— Brogger, Die sil. Etagen 2 and 3, 1882, p. 38, Kristiania.— Tornquist, Sver. Geol. Und. Afh. och upps., eer. C, No. 57, 1883, p. 16. — Herrmann, Quart. Jour. Geol. Soc., ser. 3, 3, 1886, p. 18. — Barrois, Ann. de la Soc. G&>1. du Nord, 20, 1892, p. 95.— Matthew, Trans, and Proc. Roy. Soc. Canada, 11, p. 114, 10, sec. 4, 1893, p. 98.— Roemer and Freeh, Leth. Pal., 1, 1897, p. 603.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 485.— Ruedemann, Ann. Rep. New York State Pal., 1902, p. 556.— Elles and Wood, Mon. British Grapt., pt. 1, 1902, p. 57, pi. 5, figs, la-d, fig. 34.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 645-647, pi. 11, figs. 1-4, figs. 51, 52.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 29, fig. 41. Canadian: Point Levis, Quebec (Levis, Clonograptus, Didymograptus, and Dip- lograptus dentatus zones); Deepkill, Rensselaer County, and Mount Morena, New York (Deepkill, Tetragraptus, and D. dentatus zones); St. Johns, New Brunswick; Great Britain (Skiddaw); Scandinavia; France; Australia. TETRAGRAPTUS QUADRIBRACHIATUS Etheridge. See Tetragraptus serra. Tetragraptus serra (Brongniart). Fucoides serra Brongniart, Hist. Veget. Foss., 1, 1828, p. 71, pi. 6, fig. 7, 8. Tetragraptus serra Hopkinson and Lapworth, Ann. Mag. Nat. Hist., 4th ser., 31, 1875, p. 650, pi. 33, fig. 10.— Tornquist, Sver. Geol. Und. Afh. och upps., ser. C, No. 57, 1883, p. 16.— Herrmann, Geol. Mag., 3d ser., 3, 1886, p. 19.— Ami, Geol. Surv. Canada, Rep., 2d ser., 3, pt. 2, 1889, p. 116k.— Barrois, Ann. Soc. Geol. du Nord, 20, 1892, p. 94.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 490.— Ruedemann, New York State Pal., Ann. Rep. 1902, pp. 554, 556, 566.— Elles, Wood, and Lapworth, Mon. British Grapt., pt. 1, Pal. Soc., 1902, p. 65, pi/ 6, figs. 4a-f.- Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 655-357, pi. 11, figs. 8-10, figs. 56, 57. 1270 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tetragraptus serra — Continued. Graptolithus bryonoides Hall, Geol. Surv. Canada, Rep., 1858, p. 126; Canadian Nat. and Geol., 3, 1858, p. 150; Geol. Surv. Canada, Can. Org. Rem., dec. 2, 1865, p. 84, pi. 4, figs. 1-8, 11.— Billings, Geol. Surv. Canada, Pal. Foss., 1, 1865, p. 366, 375. Graptolites (Didymograpsus) bryonoides McCoy, Geol. Surv. Victoria, Prodr. de Pal. Victoria, dec. 1, 1874, p. 15, pi. 2, figs. 2, 3, 5. Tetragrapsus bryonoides Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 131.— Salter, ibid., 19, 1863, p. 137, fig. 8a. Tetragraptus bryonoides Etheridge, jr. (part), Ann. Mag. Nat. Hist., 4th ser., 14, 1874, p. 2, pi. 3, fig. 1. — Linnarsson, Sver. Geol. Und. Afh. och upps., ser. C, No. 31, 1879, p. 5.— Brogger, Die sil. Etagen 2 and 3, 1882, p. 38.— Tullberg, Skanes Grap. in Sver. Geol. Und. Afh. och upps., ser. C, No. 50, 1882, p. 22.— Roemer and Freeh, Leth. pal., 1, 1897, p. 601. Didymograpsus caduceus Salter (part) , Quart. Jour. Geol. Soc. London, 9, 1853, p. 87, fig. la. Tetragraptus quadribrachiatus Etheridge, Ann. Mag. Nat. Hist., 4th ser., 14, 1874, p. 3, pi. 3, figs. 5-8. Canadian: Point Levis, Quebec (Levis, Clonograptus, Didymograptus, and Diplograptus dentatus zones); Newfoundland; Deepkill, Rensselaer County, New York (Deepkill, Tetragraptus zone); Arkansas; Sweden; France; Australia; Great Britain (Skiddaw). Tetragraptus slmilis (Hall). Phyllograptus similis Hall, Geol. Surv. Canada, Rep. for 1858, p. 140; Canadian Nat. and Geol., 3, 1858, p. 173.— Moberg, Geol. Foren. Stockholm Forhandl., 13, 1891, p. 219. Tetragraptus similis Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 658-662, pi. 12, figs. 2-10; figs. 58-61; p. 642, fig. 48; p. 644, figs. 49, 50. Didymograpsus caduceus Salter, Quart. Jour. Geol. Soc. London, 19, 1863, p. 137, fig. 13b(?). Didymograptus caduceus Nicholson, Quart. Jour. Geol. Soc. London, 24, 1868, p. 138. Tetragraptus caduceus Brogger, Die sil. Etagen 2, 3, 1882, p. 38.— Perner, Etudes sur les Grapt. de Boheme, pt. 2, 1894, p. 20, pi. 6, figs. 9-12. Graptolithus bigsbyi Hall, Geol. Surv. Canada, Can. Org. Rem., dec. 2, 1865, p. 86, pi. 16, figs. 22-30. Graptolithus (Monoprion) bigsbyi Hall, 20th Rep. New York State Cab. Hist., 1868, p. 226, pi. 3, figs. 18-21; rev. ed., 1870, p. 260, pi. 3, figs. 18-21; p. 223. Tetragraptus bigsbyi Linnarsson, Sver. Geol. Und. Afh. och upps., Ser. C, No. 31, 1879, p. 5.— Tullberg, ibid., No. 50, 1882, p. 22.— Ami, Geol. Surv. Canada, Rep., 2d Ser., 3, pt. 2, 1889, p. 116k.— Moberg, Geol. Foren. Stockholm Forhandl., 13, 1891, p. 219.— Holm, Sver. Geol. Und. Afh. och upps., Ser. C, No. 150, 1895, p. 24, pi. 1, figs. 9-16; pi. 2, figs. 1-3; pi. 3, figs. 13-16; p. 25, figs. 1-7; Geol. Mag., dec. 4, 2, 1895, p. 484, pi. 13, figs. 9-16; pi. 14, figs. 13-16; p. 485, figs. 1-3.— Roemer and Freeh, Leth. Geog., 1 Theil, Leth. Pal., 1, 1897, pp. 600, 601, fig. 166, pi. A, figs. 4-6b.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, p. 488.— Ruedemann, Bull. New York State Mus., 52,1902, pp. 556, 566; p. 590, fig. 18.— Elles and Wood, Mon. British Grapt., pt. 1, Pal. Soc., 1902, p. 68, pi. 6, figs. 6a-e, fig. 42a.— Grabau and Shimer, N A. Index Fossils, 1, 1906, p. 29, fig. 43. Tetragraptus bryonoides Etheridge, jr., Ann. Mag. Nat. Hist., 4th ser., 14, 1874, p. 2, pi. 3, figs. 1, 2 (not figs. 3, 4). . BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1271 Tetragraptus similis — Continued. Canadian: Point Levis, Quebec (Levis, Didymograptus and Diplograptus den- tatus zones); Deepkill, Rensselaer County, New York (Deepkill, Tetra- gfaptus and Didymograptus zones); Great Britain (Skiddaw); Sweden; Bohemia; Australia. Tetragraptus taraxacum Ruedemann. Tetragraptus taraxacum Ruedemann, Bull. New York State Mus., 52, 1902^ p. 589, fig. 16; Mem. New York State Mus., 7, pt. 1, 1904, pp. 663, 664, pi. 12, figs. 17-26. Canadian (Deepkill, Tetragraptus and Diplograptus dentatus zones): Deepkill, Rensselaer County, and Mount Moreno, near Hudson, New York. Tetragraptus woodae Ruedemann. Tetragraptus bigsbyi Ruedemann (part), New York State Pal., Ann. Rep., 1902, p. 556. Tetragraptus woodi Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 662, 663, pi. 12, figs. 1, 15, 16. (Changed to woodse in Mem. 11, pt. 2, 1908, p. 136.) Canadian (Deepkill, Tetragraptus zone) : Deepkill, Rensselaer County, New York. TETRANOTA Ulriqh and Scofield. Genotype: Bucania bidorsata Hall. Bucania (part) Hall, Pal. New York, 1, 1847, p. 186. Bellerophon (part) Whitfield, Geol. Wisconsin, 4, 1874, p. 223. Bucanella (part) Koken, Neues Jahrb. Min., Geol., Pal., Beilageband 6, 1889, p. 389. Tetranota Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 849-875.— Koken, Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 5.—Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 612.— Dall, Zittel-Eastman Textb., Pal., 2d ed., 1913, p. 522. Tetranota bidorsata (Hall). Bucania bidorsata Hall, Pal. New York, 1, 1847, p. 186, pi. 40, figs. 8ar-g; Rep. Geol. Surv. Wisconsin, 1862, p. 39, fig. 6.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 158, fig.— Walcott, Mon. U. S. Geol. Surv., 8, 1884, pi. 1, figs. 13, 13a-c.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 96, figs.— Whiteaves, Canadian Rec. Spi., 5, 1893, p. 322 (loc. occ.).— Raymond, Ann. Carnegie Mus., 3, pt. 4, 1906, p. 514. Bellerophon bidorsatus D'Orbigny, Prodr. de. Pal., 1, 1849, p. 8 (gen. ref.). — • Emmons, Amer. Geology, 1, pt. 2, 1855, p. 165, pi. 6, figs. 8, 9, 27. Tetranota bidorsata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 877, pi. 65, figs. 10-18.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1897, p. 188.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 176, pi. 12, figs. 18, 19.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 197, pi. L, fig. 5.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 612, figs. 819a-d. Trenton: Middleville, Watertown, etc., New York; Canada; Minnesota; Ken- tucky; Tennessee; etc. Black River: Minnesota, etc.; Upper Pogonip, Eureka District, Nevada. Stones River (Murfreesboro) : Murfreesboro, Tennessee. Plesiotypes.—Cat. Nos. 17301, 4,60*11, U.S.N.M. (Walcott and Ulrich and Scofield). Tetranota bidorsata minor Ulrich and Scofield. Tetranota bidorsata var. minor, Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 878. Black River (Decorah): Minneapolis, Cannon"Falls, and near Fountain, Minne- sota. Cotypes.—C&t. No. 46012, U.S.N.M. 1272 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tetranota macra Ulrich and Scofield. Tetranota macra Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 879, pi. 65, figs. 1, 2. Black River (Platteville) : Minneapolis, Minnesota. Holotype.—Czt. No. 46013, TT.S.N.M. Tetranota obsoleta Ulrich and Scofield. Tetranota obsoleta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 880, pi. 65, figs. 19-23.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 164.— Grabauand Shimer, N. A. Index Fossils, 1, 1909, p. 613, fig. 819i-k.— Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 140. Bucania obsoleta Miller, N. A. Geol. Pal., 1897, p. 766 (gen. ref.). Black River: Minneapolis and St. Paul, Minnesota; Janesville, Wisconsin (Platteville); Chatfield and Cannon Falls, Minnesota (Decorah); Mercer County, Kentucky. Trenton: Goodhue County, Minnesota; Kentucky; Baffin Land. Eden: Cincinnati, Ohio, and vicinity. Cotypes.—Cat. Nos. 46014, 46015, TJ.S.N.M. Tetranota sexcarinata Ulrich and Scofield. Tetranota sexcarinata Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 878, pi. 65, figs. 3-9.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 613, fig. 819e-h-l. Black River (Platteville): Minneapolis, Cannon Falls, etc., Minnesota; Beloit and Janesville, Wisconsin; Dixon, Illinois. Stones River (Lebanon): Lebanon and Lavergne, Tennessee. Trenton (Prosser): Fillmore County, Minnesota. Cotypes.—Cat. Nos. 46016-46018, U.S.N.M. Tetranota wisconsinensis (Whitfield). Bellerophon wisconsinensis Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 76; Geol. Surv. Wisconsin, 4, 1882, p. 223, pi. 6, figs. 15, 16. Tetranota wisconsinensis Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 881, pi. 65, figs. 26-29. Black River (Platteville): Beloit and Janesville, Wisconsin; Minneapolis and St. Paul, Minnesota. .— Cat. No. 46019, U.S.N.M. TH ALAMO CRINUS Miller and Gurley. Genotype: T. ovatus Miller and Gurley. Thalamocrinus Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 7, 1895, p. 81.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 754.— Bather, Treatise on Zool. (Lankester), pt. 3, 1900, p. 204. Thalamocrinus cylindricus Miller and Gurley. Thalamocrinus cylindricus Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 7, 1895, p. 82, pi. 5, figs. 32, 33.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 754, fig. 1401. Niagaran (Brownsport) : Decatur County, Tennessee. • Thalamocrinus ovatus Miller and Gurley. Thalamocrinus ovatus Miller and Gurley, Bull. Illinois State Mus. Nat. Hist., 7, 1895, p. 82, pi. 5, figs. 29-31.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 754, fig. 1402. Niagaran (Brownsport): Decatur County, Tennessee. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1273 THALEOPS Conrad. Genotype: T. ovatus Conrad. Thaleops Conrad, Proc. Acad. Nat. Sci. Philadelphia, 1, 1843, pp. 331-2.— Hall, Pal. New York, 1, 1847, p. 259.— Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 716.— Raymond and Narraway, Ann. Carnegie Mus., 4, 1908, p. 247. — Grabauand Shinier, N. A. Index Fossils, 2, 1910, p. 298.— Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 56.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 720. Thaleops arctums (Hall). Illsenus arcturus Hall, Pal. New York, 1, 1847, p. 23, pi. 4 (bis), fig. 12.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 235, pi. 3, fig. 12.— Billings, Canadian Nat. Geol., 4, 1859, p. 379.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 299, figs. Thaleops arctura Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 718. — Raymond and Narraway, Ann. Carnegie Mus., 4, 1908, p. 248, pi. 61, fig. 8.— Raymond, Ann. Carnegie Mus., 7, 1910, p. 71; 7th Rep. Vermont State Geol., 1910, p. 227, pi. 35, fig. 5.— Grabau and Shimer, N. A. Index Fossils, 1910, p. 298, fig. 1605b. Thaleops ovatus Raymond, Bull. Amer. Pal., 3, 1902, pi. 18, fig. 9; Ann. Carnegie Mus., 3, 1905, p. 352, pi. 13, fig. 5. Chazyan (Day Point — Valcour): Chazy, Crown Point, Valcour, etc., New York; Isle La Motte, Vermont. Thaleops clavifrons (Billings). Illsenus clavifrons Billings, Canadian, Nat. Geol., 4, 1859, p. 379. Chazyan (Mingan) : Mingan Islands, Canada. Thaleops ovatus Conrad. Thaleops ovata Conrad, Proc. Acad. Nat. Sci., Philadelphia, 1, 1843, p. 332.— Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 716, fig. 25-28.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 62. — Raymond and Narraway, Ann. Car- negie Mus., 4, 1908, p. 247, pi. 60, figs. 11-13; pi. 61, figs. 6, 7.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 298.— Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 56, pi. 14, figs. 6-8. Thaleops (Illsenus) ovatus Hall, Pal. New York, 1, 1847, p. 259, pi. 67, figs. 6a, b; p. 318, pi. 67, fig. 6c. Illsenus ovatus Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 76 (gen. ref.).— Billings, Canadian Nat. Geol., 4, 1859, p. 376 (loc. occ.).— Whitfield, Geol. Wisconsin, 4, 1882, p. 238, pi. 5, figs. 1, 2.— Chamberlin, Geol. Wiscon- sin, 1, 1883, p. 160, fig. Illsenus herricki Foerste, 15th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1887, p. 479, fig. 2. Black River: Mineral Point, Beloit, Wisconsin; Dixon, Illinois; Minneapolis, Minnesota (Platteville) ; Ottawa, Ontario. ?Richmond (Maquoketa): Clermont, Iowa. THALEOPS OVATUS Raymond. See Thaleops arcturus. Thaleops? pterocephalus (Whitfield). Illaanus pterocephalus Whitfield, Ann. Rep. Geol. Surv., 1878, p. 87; Geol. Wisconsin, 4, 1882, p. 309, pi. 20, figs. 10-12. Niagaran (Racine): Pewaukee, Wisconsin. Thaleops vindex (Billings). Illsenus vindex Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 179, figs. 160a, b.— Raymond, Ann. Carnegie Mus., 3, 1905, p. 353, fig. 2. Chazyan (Mingan): Mingan Islands, Canada. 1274 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. THAMNISCUS King. Genotype: Ceratophytes dubius Schlotheim. Thainniscus King, Ann. Mag. Nat. Hist., 2d ser., 2, 1849, p. 389; Perm. FOBS. England, 1850, p. 44.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 168.— Eich- wald, Leth. Rossica, 1, 1860, p. 386.— Vine, Proc. Geol. Assoc., 4, 1875, p. 120; Geol. Mag., dec. 2, 7, 1880, p. 507; Rep. 50th Meeting British Assoc. Adv. Sci., 1880, p. 81.— Shrubsole, Quart. Jour. Geol. Soc. London, 38, 1882, p. 343.— Vine, Proc. Yorkshire Geol. and Polyt. Soc., n. s., 8, 1884, p. 170; Rep. 53d Meeting British Assoc. Adv. Sci., 1884, p. 195; Proc. Yorkshire Polyt. Soc., 9, 1885, p. 89.— Waagen and Pichl, Pal. Indica, 13th ser., 1885, p. 807.— Ulrich, Contr. Amer. Pal., 1, 1886, p. 5.— Hall and Simpson, Pal. New York, 6, 1887, p. 22.— Miller, N. A. Geol. Pal. , 1889, p. 327.— Ulrich, Geol. Surv. Illinois, 7, 1890, pp. 397, 606; Zittel's Textb. Pal. (Eng. ed.), 1896, p. 283.— Simp- son, 14th Ann. Rep. State Geol. New York, for 1894, 1897, p. 524.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 40.— Condra, Nebraska Geol. Surv., 2, pt. 1, 1903, p. 82.— Cumings, Amer. Jour. Sci., 17, 1904, p. 73.— Hennig, Archiv. fur Zool., Sven. Vet. Akad. Stockholm, 3, No. 10, 1906, p. 15.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 53; Zittel-Eastman Textb. Pal., 1913, p. 341. Thamniscus dichotomus (Hall). Hornera? dichotoma Hall, Pal. New York, 2, 1852, p. 163, pi. 40C, fig. 3d (not figs. 3a, b). Subretepora dichotoma Miller, N. A. Geol. Pal., 1889, p. 326. Stictopora dichotoma Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, pt. 2, 1899, p. 108. Thamniscus dichotomus Ulrich, Geol. Surv. Illinois, 8, 1890, p. 607. — Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 54, pi. 18, figs. 17-19; pi. 27, figs. 1-7. Clinton (Rochester): Lockport, Rochester, etc., New York; Grimsby and Hamil- ton, Ontario. Plesiotypes— Cat. Nos. 35558, 35751, U.S.N.M. THAMNISCUS NIAGARENSIS Hall. See Pseudohornera niagarensis. Thamniscus regularis Ulrich and Bassler. Thamniscus regularis Ulrich and Bassler, Maryland Geol. Surv., Low. Dev., 1913, p. 286, pi. 47, figs. 4-6. Helderbergian (Keyser): Devils Backbone, near Cumberland, Maryland. Cotypes— Cat. No. 60741, U.S.N.M. Thamniscus striatopora (Billings). Helopora striatopora Billings, Cat. Sil. Foss. Anticosti, 1866, p. 39. Nematopora striatopora Ulrich, Geol. Surv. Illinois, 8, 1890, p. 645; Amer. Geol., 1, 1888, p. 232, footnote. Anticostian (Jupiter River): Southwest Point, Anticosti. THAMNOCELLA Simpson. See Pseudohornera Roemer. THAMNOGRAPTUS Hall Genotype: T. typus Hall=T. capillaris Hall. Thamnograptus Hall, Pal. New York, 3, 1859, p. 519; 13th Rep. New York State Cab. Nat. Hist., 1860, p. 62; Geol. Surv. Canada, dec. 2, 1865, p. 141; 20th Rep. New York State Cab. Hist., 1868, p. 218; rev. ed., p. 252.— Nicholson, Ann. Mag. Nat. Hist., 4th ser., 16, 1875, p. 270.— Zittel, Handb. Pal., 1, 1879, p. 290.— Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 39; Trans. Acad. Sci. St. Louis, 4, 1884, p. 563, 589.— Miller, N. A. Geol. Pal., 1889, p. 207.— Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, 1894, p. 165.— Elles and Wood, Mon. British Grapt., Pal. Soc., 1903, p. 41.— Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, p. 204. Thamnograpsus Nicholson, Mon. British Grapt., 1872, p. 130. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1275 Thamnograptus afflnis Whiteaves. Thamnograptus affinis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 148, fig. 10. Black River or Richmond: Cat Head, Lake Winnipeg, Canada. Thamnograptus anna Hall. Thamnograptus anna Hall, Geol. Surv. Canada, dec. 2, 1865, p. 141, pi. 21, fig. 9. Canadian (Levis, Didymograptus zone): Three miles above mouth River St. Anne, Canada. Observation. — See Goniograptus geometricus Ruedemann. THAMNOGRAPTUS BARRANDII Lapworth. See Thamnograptus capillaris. Thamnograptus bartonensis Spencer. Thamnograpsus bartonensis Spencer, Canadian Nat., 8, 1878, pp. 458, 462. Thamnograptus bartonensis Spencer, Trans. Acad. Sci. St. Louis, 4, 1884, pp. 565, 589, 590, pi. 6, figs. 4, 5; Bull. Mus. Univ. State Missouri, 1, 1884, pp. 15, 39, 40, pi. 6, figs. 4, 5.— Gurley, Jour. Geol., 4, 1896, pp. 101, 309.— Bassler, Bull. U. S. Nat. Mus., 65, 1909, pp. 62-64, figs. 87-89. Niagaran dolomite: Hamilton, Ontario. Thamnograptus capillaris (Emmons). Nemagrapsus capillaris Emmons, Amer. Geology, 1, pt. 2, 1855, p. 109, pi. 1, fig. 6. Nemagraptus capillaris Lapworth, Quart. Jour. Geol. Soc. London, 31, 1875, p. 653, pi. 34, figs. 2a, b.— Hall, Pal. New York, 3, 1859, p. 520, fig. 3. Thamnograptus capillaris Hall, Pal. New York, 3, 1859, p. 520, fig. 3; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 225.— Walcott, Albany, Inst. Trans., 10, 1883, p. 35 (adv. sheets, 1879); Bull. Geol. Soc. Amer., 1, 1890, p. 338.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1185, fig. — Ruedemann, Mem. New York State Mus., 11, pt. 2, 1908, pp. 206-210, pi. 10, figs. 4-8; pi. 12, figs. 9-16; figs. 108-112. Thamnograptus typus Hall, Pal. New York, 3, 1859, pp. 519, 520, figs..!, 2; 13th Rep. New York State Cab. Nat. Hist., 1860, p. 62, figs, 1, 2; Geol. Surv. Canada, dec. 2, 1856, p. 17, fig. 24; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 184, fig. 26; rev. ed., p. 214, fig. 26; p. 225.— Nicholson, Mon. British Grapt., 1872, p. 131, fig. 71.— Lapworth, Cat. West Scot. Foss., 1876, p. 7, pi. 4, figs. 95, 96.— Miller, N. A. Geol. Pal., 1889, p. 207, fig. 226.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1185, fig. — Lapworth, Belfast Nat. Field Club Rep. Proc., 1, App., 1877, p. 143, pi. 7, fig.16. Rastrites barrandi Hall, Pal. New York, 3, 1859, pp. 521, 522, figs. 1, 2; 13th Rep. New York State Cab. Nat. Hist., 1860, p. 64, figs. 1, 2; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 184, fig. 25; p. 194, fig. 30; rev. ed., p. 214, fig. 25; p. 225.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 852, figs. Thamnograptus barrandii Lapworth, Roy. Soc. Canada Trans., sec. 4, 1886, p. 178. Chazyan: Kenwood, Stockport, etc., New York (Normanskill) ; Virginia and Tennessee (Athens); Arkansas (Stringtown); Great Britain; Australia. Plesiotype.—G&t. No. 54252, U.S.N.M. Thamnograptus(?) multiformis Spencer. Thamnograptus(?) multiformis Spencer, Canadian Nat., 10, 1882, p. 165; Trans. Acad. Sci. St. Louis, 4, 1884, pp. 565, 590, pi. 6, figs. 2, 3; Bull. Mus. Univ. State Missouri, 1, 1884, pp. 15, 40, pi. 6, figs. 2, 3.— Gurley, Jour. Geol., 4, 1896, p. 101.— Bassler, Bull. U. S. Nat. Mus., 65, 1909, p. 64, fig. 90, 91, Niagaran dolomite: Hamilton, Ontario. THAMNOGRAPTUS TYPUS Hall. See Thamnograptus capillaris. 84243°— Bull. 92— vol 2—15 36 1276 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Theca forbesii Dawson. Not recognized. Theca Forbesii (Sliarpe) Dawson, Canadian Nat. Geol., 5, 1860, p. 299. Silurian (Arisaig): Nova Scotia. Theca niagarensis Grant. Not recognized. Theca Niagarensis Grant, Jour, and Proc. Hamilton ABSOC., 17, 1901, pp. 73, 74. Niagaran: Near Hamilton, Ontario. THECA PARVIUSCULA Hall. See Hyolithea parviusculus. THECIA Edwards and Haime. Genotype: T. swindernana Goldfuss. Thecia Edwards and Haime, Oompt. Rend, de 1'Acad. Sci., 29, 1849, p. 263; Mon. d. Polyp. FOBS. d. Terr. Pal., 1851 (Arch. du.Mus. d'Hist. Nat., 5), pp. 158, 306.— Pictet, Traite" de Pal., 2d ed., 4, 1857, p. 447.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 316.— Salter, Cat. Camb. Sil. Foss., 1873, p. 110.— Lindstrom, Ann. Mag. Nat. Hist., 4th ser., 18, 1876, p. 13.— Romin- ger, Geol. Surv. Michigan, 3, pt. 3, 1876, p. 66.— Nicholson, Tab. Corals Pal- Period, 1879, p. 236.— Zittel, Handb. Pal., 1, 1879, p. 213.— Roomer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 451.— Miller, N. A. Geol. Pal., 1889, p. 207.-— Sardeson, Neues Jahrb. Min., Geol. Pal., Beilage-Band, 10, 1896, p. 297.— Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 32, No. 1, 1899, p. 29.— Pocta, Syst. Sil. du Centre Boheme, 8, pt. 2, 1902, p. 275.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 91. Thecia major Rominger. Thecia major Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 67, pi. 25, figa. 1, 2.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 454.— Hall, 12th Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1883, p. 253, pi. 2, fig. 6.— Davis, Ken- tucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 34, figs. 1-3.— Miller, N. A. Geol. Pal., 1889, p. 207, fig. 227.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1890, p. 1186, fig.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 91, fig. 146. Niagaran: Charleston, etc., Indiana; Louisville, Kentucky (Louisville); Decatur County, etc., Tennessee (Brownsport) ; Drummonds Island, etc., Lake Huron. Thecia minor Rominger. Thecia minor Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 68, pi. 25, fig. 3.— Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 34, figs. 4, 7.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 91, fig. 147. Thecia swindernana Roemer, Sil. Fauna West Tennessee, Breslau, 1860, p. 26, pi. 2, fig. 4a, b. — Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 34, figs. 5, 6. Niagaran: Louisville, Kentucky, and vicinity (Louisville); Decatur County, etc., Tennessee (Brownsport); Drummonds Island, etc., Lake Huron. Observation. — Considered by some authors as a synonym of T. Bwindernana. Thecia swindernana (Goldfuss). Agaricia Swindernana Goldfuss, Petref. Germ., 1, 1826, p. 109, pi. 38, figs. 3a, b. Thecia Swindernana Edwards and Haime, Polyp. Foss. Terr. Pal., 1851, p. 307, pi. 2, figs. 4, 4b.— Holtedahl, [Second Arctic Exp. "Fram," 1898-1902, No. 32, 1914, p. 15, pi. 6, fig. 4. Silurian (Wenlock, Ludlow): Europe; southwestern Ellesmereland, Arctic America. Observation. — See also Thecia minor Rominger. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1277 THECIA SWINDERNANA Roemer. See Thecia minor. THECIA VETUSTA Davis. See Protaraea richmondensis. THECOCYSTIS Jaekel. See Hemicystites subgenus Cystaster Hall. THECOCYSTIS SACCULUS Jaekel. See Hemicystites (Cystaster) granulatus. THECOSTEGITES HEMISPHERICUS Roemer. See Fistulipora hemispherica. THLIPSURA SIMPLEX Krause. See Octonaria simplex. THRESHERODISCUS Foerste. Genotype: T. ramosus Foerste. Thresherodiscus Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 432. Thresherodiscus ramosus Foerste. Thresherodiscus ramosa Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 432, pi. 1, fig. 8, pi. 3, fig. 3. Trenton (Curdsville) : Goat Island, northeast of Little Current, Manitoulin Island, Lake Huron. THYSANOCRINUS Hall. See Dimerocrinus Phillips. THYSANOCRINUS (RHODOCRINUS) MICROBASILIS Billings. See Archseocrinus micro- basilis. THYSANOCRINUS MILLIGAN^E Miller and Gurley. See Gazacrinus? milliganse. THYSANOCRINUS (RHODOCRINUS) PYRIFORMIS Billings. See Archaeocrinus pyri- formis. THTSANOPTGE Kayser. Genotype: Thysanopyge argentina Kayser. Thysanopyge Kayser, Zeits. d. d. geol. Gesell., 50, 1898, pp. 425, 427. Thysanopyge argentina Kayser. Thysanopyge argentina Kayser, Zeits. d. d. geol. Gesell., 50, 1898, p. 425, pi. 16, fig. 2. Middle Ordovician: Salta, Argentina. TIGILLITES Barrois. See Scolithus Hall. TOLMAIA Williams. Genotype: Pterinea lineata Goldfuss. Tolmaia Williams, Proc. U. S. Nat. Mus., 34, 1908, p. 86. Tolmaia campestrls Williams. Tolmaia campestris Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 335, pi. 29, fig. 16. Silurian (Edmunds) : Field Point, west side Cobscook River, Edmunds Township, Washington County, Maine. Holotype.—C&t. No. 58956, U.S.N.M. TRACHOMATICHNUS Miller. Genotype: T. numerosus Miller. Trachomatichnus Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1880, p. 219; N. A. Geol. Pal., 1889, p. 454. Trachomatichnus cincinnatensis Miller. Trachomatichnus cincinnatensis Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1880 p. 220, pi. 14, fig. 3. Eden (Economy): Walker Mill Road, Cincinnati, Ohio. ' 1278 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Trachomatichnus numerosus Miller. Trachomatichnus numerosua Miller, Jour. Cincinnati Soc. Nat. Hist., 1880, p. 219, pi. 13, figs. 2-4. Eden (Economy): Walker Mill Road, Cincinnati, Ohio. Trachomatichnus permultus Miller. Trachomatichnus permultus Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1880, p. 220, pi. 13, fig. 5. Eden (Economy): Walker Mill Road, Cincinnati, Ohio. TRACHYUM Billings. Genotype: T. cyathiforme Billings. Trachyum Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 211.— Miller, N. A. Geol. Pal., 1889, p. 166. Trachyum cyathiforme Billings. Trachyum cyathiforme Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 211, fig. 196.— Miller, N. A. Geol. Pal., 1889, p. 166, fig. 127. Canadian (Quebec — G): Cape Norman, Newfoundland. Trachyum rugosum Billings. Trachyum rugosum Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 212. Canadian (Quebec — G): Cape Norman, Newfoundland. Trachyum undosum James. Not recognized. Trachyum undosum James, Paleontologist, No. 2, 1878, p. 9. Clinton: Clinton County, Ohio. TKAMORIA Reed. See Apatokephalus Brogger. TREMANOTUS Hall. Genotype: Bellerophon perforatus Winchell and Marcy. TremanotusHall, 20th Rep. New York State Cab. Hist., 1868, pp. 347, 388 (extras, 1865); rev. ed., 1870, p. 399.— Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 109.— Meek, Proc. Chicago Acad. Sci., 1, 1866, p. 10.— Waagen, Mem. Geol. Surv. India, Pal. Indica, 13th ser., 1, 1880, p. 131.— Lindstrom, . Kongl. Sven. Vet.-Akad. Handl., 19, No. 6, 1881, pp. 70, 85.— Zittel, Handb. Pal., 2, 1882, p. 184.— Koken, Neues Jahrb. Min., Geol., Pal., 6, Beilage- Band, 1889, pp. 381, 386.— Miller, N. A. Geol. Pal., 1889, p. 428.— Newton, Geol. Mag., dec. 3, 9, 1892, p. 337.— Freeh, Zeits. d. d. geol. Gesell., 46, 1894, p. 461.— Koken, Die Leitfossilien, Leipzig, 1896, p. 99; Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 7.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 851.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 615. Trematonotus Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 445.— Ball, ibid., 2d ed., 1913, p. 521. Tremanotus alpheus (Hall). Tremanotus alpheus Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 347, pi. 15 (6), figs. 23, 24; p. 389; rev. ed., 1870, p. 399, pi. 15, figs. 23, 24.— McChesney, Trans. Chicago Acad. Sci., 1, 1868, p. 47, pi. 8, fig. 4.— Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 145, pi. 8, fig. 1.— Whiteaves, Geol. Surv. Canada Pal. Foss., 3, pt. 1, 1884, p. 34.— Lesley, Geol. Surv Pennsylvania, Rep. P 4, 1890, p. 1198, fig. Trematonotus alpheus Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 54, pi. 5, figs. 20-23; pi. 6, figs. 1-9.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 615, figs. 824, 825. Bellerophon (Bucania) perforatus Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 100, pi. 8, fig. 7; p. 109. Niagaran: Chicago, Illinois, and Racine, Wisconsin (Racine); Shelby and Roch- ester, New York; Ohio; Ontario (Guelph). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1279 Tremanotus angustatus (Hall). Bucania angustata Hall, Pal. New York, 2, 1852, p. 349, pi. 84, figs. 6a, b; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 346; rev. ed., 1870, p. 398. Bellerophon angustata Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 344, fig. 352. Trematonotus angustatus Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1895, p. 70. — Clarke and Ruedemann, Mem. New York State Mus., 5, p. 56. Niagaran (Guelph): Gait, Guelph, Hespeler, etc., Ontario. Observation. — Probably the same as Tremanotus alpheus (Hall). Tremanotus chicagoensis (McChesney). Bucania chicagoensis McChesney, Desc. New Species Fossils, 1859, p. 69; Plates Illust. New Sp. Fossils, 1865, pi. 8, figs. 4-4b, 5-5b; Trans. Chicago Acad. Sci., 1, 1868, p. 46, pi. 8, fig. 5.— Meek, Proc. Chicago Acad. Sci., 1, 1866, p. 10. Tremanotus chicagoensis Miller, N. A. Geol. Pal., 1889, p. 428 (gen. ref.). Trematonotus chicagoensis Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 57.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, pi. 11, figs. 1, 2, 5; pi. 12, figs. 1, 2. Niagaran: Chicago, Illinois (Racine); Huntington and Delphi, Indiana. Plesiotype—C&t. No. 52941, U.S.N.M. (Kindle and Breger). Tremanotus crassolaris (McChesney). Bucania crassolare McChesney, Desc. New Species Fossils, 1861, p. 91. Niagaran (Racine): Chicago, Illinois. Tremanotus pervolutus (McChesney). Bucania pervoluta, McChesney, Desc. New Species Fossils, 1861, p. 91. Niagaran (Racine): Chicago, Illinois. Tremanotus? trigonostoma Hall and Whitfield. Tremanotus? trigonostoma Hall and Whitfield, Pal. Ohio, 2, 1875, p. 146, pi. 8, fig. 5.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1198, fig. Bucania trigonostoma Whitfield, Geol. Wisconsin, 4, 1882, p. 359. Niagaran (Guelph): Genoa, Ohio; ?Wisconsin. • TREMATIS Sharpe. Genotype: Orbicula terminalis Sharpe. Trematis Sharpe, Quart. Jour. Geol. Soc. London, 4, 1848, p. 66, 68. — Emmons, Amer. Geol., 1, pt. 2, 1855, pp. 188, 201.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 69.— Hitchcock, Geol. Vermont, 1, 1862, p. 293.— Dall, Amer. Jour. Conch., 7, 1871, p. 75; Bull. Mus. Comp. Zool., 3, 1871, p. 37; Bull. U. S. Nat. Mus., 8, 1877, p. 73.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 14.— Zittel, Handb. Pal., 1, 1880, p. 665.— Miller, N. A. Geol. Pal., 1889, p. 385.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 138, 168.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 367.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 258.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 201.— Koken, Die Leitfossilien, Leipzig, 1896, p. 230, figs. 189, 8, 9.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 895.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 309; 2d ed, 1913, p. 377. Trematis crassipuncta Ulrich. Trematis crassipuncta Ulrich, Amer. Geol., 4, 1889, p. 22; 3, p. 378, fig. 7. Maysville (Fairmount): Cincinnati, Ohio. Plastotype.— Cat. No. 44999, U.S.N.M. 1280 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Trematis(l) dyeri Miller. Trematis dyeri Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 347, fig. 39; N. A. Geol. Pal., p. 385, fig. 628.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 142. Maysville (Fairmount) : Cincinnati, Ohio. TREMATIS FILOSA Billings. See Schizocrania filosa. Trematis fragills Ulrich. Trematis fragilis Ulrich, Amer. Geol., 4, 1889, p. 21; 3, p. 378, fig. 6.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 142, pi. 4G, fig. 14.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 38, pi. 5, figs. 2-4. Trematis punctostriata Hall and Whitfield (not Hall, 1873), Pal. Ohio, 2, 1873, p. 70, pi. 1, figs. 8, 9. Trenton (upper) : West Covington, Kentucky. Trematis huronemsis Billings. Trematis Huronensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 53, fig. 59 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 130.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1198, figs.— ?Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 368, fig. 29. Productella minneapolis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 332, pi. 4, figs. 11, 12. Black River: Pallideau Islands, Lake Huron; Minneapolis, Minnesota. Trematis millepimctata Hall. Trematis millepunctata Hall, Desc. New Species Crin. and Other Foss., 1866, p. 14; 24th Rep. New York State Cab. Nat. Hist., 1872, p. 221, pi. 7, figs. 22-25.— Hall and Whitfield, Pal. Ohio, 2, 1875, p. 70, pi. 1, figs. 4-7.— Miller, Cincin- nati Quart. Jour. Sci., 2, 1875, p. 16; N. A. Geol. Pal., 1889, p. 385, fig. 629.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1199, figs.— Huene, Verh. d. Russ. Kais. Min. Ges. St. Petersburg, 36, 1899, p. 336, fig. 8.— Hall, and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, figs. 4-10.— Raymond, Ann. Carnegie Mus., 3, 1904, p. 86, fig. 4. — Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 202, figs. 235a, b, d.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 943, pi. 34, figs. 9, 9c. Eden-Richmond: Cincinnati, Ohio, and vicinity. Observation. — See T. quincuncialis and T. reticularis for probable synonyms. Trematis montrealensis Billings. Trematis Montrealensis Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 52, fig. 57 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 128.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1199, fig. Trenton: Montreal, Quebec. Trematis oblata Ulrich. Trematis oblata Ulrich, Amer. Geol., 4, 1889, p. 23; 3, p. 378, fig. 9.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 142, pi. 4G, fig. 20. Maysville (Fairmount) : Cincinnati, Ohio. Cotype and plastotype.— Cat. Nos. 451991, 45200, U.S.N.M. Trematis ottawaensis Billings. Trematis Ottawaensis Billings, Geol. Surv. Canada, Pal. Foss., 1, 1865, p. 53, fig. 58 (adv. sheets, 1862); Geol. Canada, 1863, p. 159, fig. 129; Cat. Sil. Foss. Anticosti, 1866, p. 11.— Lesley, Geol. Surv. Pennsylvania, Rep., P 4, 1890, p. 1199, fig.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1281 Trematis ottawaensis — Continued. figs. 15-17.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 369, fig. 30.— Crane, Geol. Mag., dec. 4, 2, 1895, pi. 5, fig. 14.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 202, fig. 235c. Trenton: Ottawa, Ontario; Trenton Falls, New York; Frankfort, Kentucky; St. Paul, Minnesota. TREMATIS PUNCTOSTRIATA Hall and Whitfield. See Trematis fragilis. Trematis punctostriata Hall. Trematis punctostriata Hall, 23d Rep. New York State Cab. Nat. Hist., 1873, p. 243, pi. 13, figs. 17, 18.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 142, pi. 4G, figs. 11-13(73).— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1199, figs.— Foerste, Jour. Geol., 11, 1903, p. 706 (loc. occ.); Bull. Sci. Lab. Denison Univ., 16, 1910, p. 37, pi. 5, fig. 1. Trenton (Hermitage) : Clifton, Tennessee; Frankfort, Kentucky. Trematis(?) pustulosa Hall. Trematis? pustulosa Hall, Descrip. New Species Crin. and other Fossils, 1866, p. 15; 24th Rep. New York State Cab. Nat. Hist., 1872, p. 222. Richmond (Maquoketa): Near Horicon, Wisconsin. Trematis quincuncialis Miller and Dyer. Trematis quincuncialis Miller and Dyer, Cont. to Pal., 2, 1878, p. 8, pi. 3, fig. 9.— Schuchert, Bull. TJ. S. Geol. Surv., 87, 1897, p. 452. Richmond ( Waynesville) : Near Lebanon, Ohio. Observation. — Probably the same as T. millepunctata. Trematis reticularis (Miller). Crania reticularis Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 280, fig. 1; N. A. Geol. Pal., 1889, p. 342, fig. 555. Trematis reticularis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 453.— Cumings, 32d Ann. Rep., Dep. Geol. Nat. Res., Indiana, 1908, p. 944, pi. 34, fig. 10. Richmond: Brookville, Indiana. Observation. — Probably the same as T. millepunctata. TREMATIS RUDIS Hall. See Schizocrania(?) rudis. Trematis terminalis (Emmons). Orbicula terminalis Emmons, Geol. New York, Rep. 2d Dist., 1842, p. 395, fig. 4. — Hall, Pal. New York, 1, 1847, p. 100, pi. 30, fig. 11. Trematis terminalis Sharpe, Quart. Jour. Geol. Soc. London, 4, 1848, p. 68, figs. 1-3.— Emmons, Amer. Geology, 2, 1855, p. 201, fig. 63; pi. 8, fig. 11.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 69, pi. 89, fig. 7.— Emmons, Man.treol., 1860, p. 99, figs. 88-4a.— Hitchcock, Geol. Vermont, 1, 1862, p. 293, fig. 198.— Billings, Geol. Canada, 1863, p. 159, fig. 127.— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1890, p. 1200, figs.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, figs. 1, 2.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 202. ?Trematis terminalis Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 14. Trenton: Middleville, Trenton Falls, Watertown, etc., New York. Trematis umbonata Ulrich. Trematis umbonata Ulrich, Amer. Geol., 4, 1889, p. 23; 3, 1889, fig. 8 on p. 378.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 139, pi. 4G, figs. 18, 19. Maysville (Corryville) : Cincinnati, Ohio, and vicinity. Plastotype.— Cat. No. 44993, U.S.N.M. 1282 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TREMATOCTSTIS Jaekel. Genotype: Holocystites subglobosus Miller. Trematocystis Jaekel, Stammesg. Pelmat., 1, Thecoidea und Cystoidea, Berlin, 1899, p. 413. Trematocystis hammelli (Miller). Holocystites hammelli Miller, N. A. Geol. Pal., 1889, p. 254, figs. 336, 337. Trematocystis hammelli Jaekel, Stammesg. Pelmat., 1, Thecoidea und Cystoidea, Berlin, 1899, p. 413. Clinton (Osgood) : Jefferson County, Indiana. Trematocystis subglobosus (Miller). Holocystites subglobosus Miller, N. A. Geol. Pal., 1889, p. 255, fig. 338. Trematocystis subglobosus Jaekel, Stammesg. Pelmat., 1, Thecoidea und Cys- toidea, 1899, p. 414, pi. 4, fig. 2. Clinton (Osgood): Jefferson Connty, Indiana. TREMATOJNOTUS of authors. See Tremanotus Hall. TREMATOPORA Hall. Genotype: T. tuberculosa Hall. Trematopora Hall, Amer. Jour. Sci., 2d ser., 11, 1851, p. 400; Pal. New York, 2, 1852, p. 149.— Zittel, Handb. Pal., 1, 1880, p. 617.— Boemer, Leth. geog., 1, Leth. Pal., 1883, p. 479.— Hall and Simpson, Nat. Hist. New York, 6, 1887, p. 14.— Miller, N. A. Geol. Pal., 1889, p. 328.— Ulrich, Geol. Surv. Illinois, 7, 1890, pp. 373, 418; Geol. Minnesota, 3, 1893, p. 308.— Simpson, 14th Ann. Hep. State Geol. New York for 1894, 1897, p. 501.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 35.— Grabau, Bull. New York State Mus., 45, 1901, p. 166; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 166.— Pocta, Syst. Sil. du Centre Boheme, pt. 2, 1902, p. 314.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 43.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 139.— Bassler, Bull. U. S. Nat. Mus./ 77, 1911, pp. 267, 268. TREMATOPORA Ulrich, 1882. See Homotrypa Ulrich. TREMATOPORA ANNULIFERA Whitfield. See Lioclemella annulifera. TREMATOPORA ASPERA Hall. See Acanthoclema asperum. Trematopora calloporoides Ulrich. Trematopora calloporoides Ulrich, Geol. Surv. Illinois, 8, 1890, p. 420, pi. 38, figs. 1-ld. Upper Medinan (Girardeau) : Alexander County, Illinois. Cotype.— Cat. No. 43803, U.S.N.M. TREMATOPORA COALESCENS Hall. See Chilotrypa ostiolata. • Trematopora crebripora Hall. Not recognizable. Trematopora (Chsetetes) crebripora Hall, Trans. Albany Inst., 10, 1883, p. 59 (abstract 1879, p. 3); llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 236. Niagaran (Waldron): Waldron, Indiana. Trematopora debilis Ulrich. Trematopora debilis Ulrich, Geol. Sun-. Illinois, 8, 1890, p. 419, pi. 34, figs. 3-3e. Upper Medinan (Girardeau): Alexander County, Illinois. Fragment of holotype.—G&t. No. 43802, U.S.N.M. TREMATOPORA ECHINATA Hall. See Eridotrypa echinata. Trematopora?? granulata Whitfield. Trematopora granulata Whitfield, Ann. Rep. Geol. Surv. Wisconsin for 1877, 1878, p. G8; Geol. Surv. Wisconsin, 4, 1882, p. 253, pi. 11, figs. 22, 23. Richmond (Maquoketa): Delafield, Wisconsin. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1283 TREMATOPORA GRANULIPERA Hall. See Batostomella granulifera. Trematopora halli Ulrich. Trematopora halli Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 261, pi. 13, figs. 3, 3a. Niagaran (Waldron): Waldron, Indiana; Newsom, Tennessee. Cotypes.—Cat. No. 44107, U.S.N.M. TREMATOPORA INFREQUENS Hall. See Diamesopora infrequens. Trematopora irregularis (Billings). Helopora irregularis Billings, Catal. Sil. Foss. Anticosti, 1866, p. 39. Anticostian (Jupiter River) : Challoupe River, Anticosti. TREMATOPORA? (TRACHYPORA?) MACROPORA Hall. See Nematopora macropora. TREMATOPORA? (TRACHYPORA?) MINUTA Hall. See Nematopora minuta. TREMATOPORA? NITIDA Ulrich. See Lioclemella nitida. TREMATOPORA ORNATA Ulrich. See Trematopora? primigenia ornata. TREMATOPORA OSCULTJM Hall. See Diamesopora osculum. TREMATOPORA OSTIOLATA Hall. See Chilotrypa ostiolata. Trematopora primigenia Ulrich. Trematopora primigenia Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Sun-. Minne- sota, 1886, p. 97; Geol. Minnesota, 3, 1893, p. 309, pi. 21, figs. 23-40.— Bassler, Bull. IT. S. Nat. Mus., 77, 1911, pp. 268, 269, fig. 158. Black River (Decorah): Minneapolis, St. Paul, etc., Minnesota. Middle Ordovician (Wassalem) : Uxnorm, Esthonia, Russia. Cotypes.—C&t. No. 43615, U.S.N.M. Trematopora primigenia ornata (Ulrich). Trematopora ornata Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1886, p. 98. Trematopora? primigenia var. ornata Ulrich, Geol. Minnesota, 3, 1893, p. 310, pi. 21, figs. 26, 28, 33, 34. Black River (Decorah): St. Paul, Minnesota, and vicinity. Holotype.—C&t. No. 43616, U.S.N.M. Trematopora? primigenia spinosa Ulrich. Trematopora? primigenia var. spinosa Ulrich, Geol. Minnesota, 3, 1893, p. 310, pi. 21, figs. 29, 30, 35, 36. Black River (Decorah) : St. Paul, Minnesota, and vicinity. Cotypes.—C&t. No. 43617, U.S.N.M. TREMATOPORA?? PUNCTATA Hall. See Idiotrypa punctata. Trematopora? singularis (Hall). Callopora singularis Hall, 28th Ann. Rep. New York State Mus., doc. ed., 1876, pi. 10, figs. 1, 2; ibid., mus. ed., 1879, p. 115, pi. 10, figs. 1, 2; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 237, pi. 9, figs. 1, 2. Leioclema singulare Ulrich, Geol. Surv. Illinois, 8, 1890, p. 425. Trematopora? singularis Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 434. Niagaran (Waldron): Waldron, Indiana. TREMATOPORA SOLIDA Hall. See Eridotrypa solida. 1284 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TREMATOPORA SPARSA Hall. See Diploclema sparsum. Trematopora spiculata Miller. Trematopora spinulosa Hall (not Hall, 1852), 28th Ann. Hep. New York State Mus., doc. ed., 1876, pi. 11, figs. 11, 12. Trematopora spiculata Miller, Amer. Pal! Foss., 2d ed., 1877, p. 245.— Hall, 28th Ann. Rep. New York State Mus., mus. ed., 1879, p. 114, pi. 11, figs. 11, 12; llth Ann. Rep. Indiana Geol. Nat. Hist., 1882, p. 235, pi. 10, figs. 11, 12.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 258.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1201, figs.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 45, 46, pi. 27, figs. 14, 15. Niagaran: Waldron, Indiana (Waldron); Lockport, New York (Rochester); Osgood, Indiana (Osgood). Plesiotype.—Csit. No. 35760, U.S.N.M. TREMATOPORA SPINULOSA Hall. See Bythopora spinulosa. TREMATOPORA STRIATA Hall. See Eridotrypa striata. TREMATOPORA SUBIMBRICATA Hall. See Diamesopora subimbricata. TREMATOPORA SUPERBA Billings. See Lyellia superba. Trematopora tuberculosa Hall. Trematopora tuberculosa Hall, Pal. New York, 2, 1852, p. 149, pi. 40A, figs. la-g.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. 259, pi. 13, figs. 2-2b.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, pi. 19, figs. 1-5.— Grabau, Bull. New York State Mus., 45, 1901, p. 166, fig. 65; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 166, fig. 65.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 43, 44, pi. 13, figs. 15, 16; pi. 17, figs. 1-3; pi. 25, fig. 8.— Grabau and Shimer, N. A. Index Fossils, 1, p. 139, fig. 193. Clinton: Lockport, Lewiston, Niagara Gorge, etc., New York; Grimsby and Thorold, Ontario (Rochester); Osgood, Indiana (Osgood). Plesiotype.—Gsit. No. 43618, U.S.N.M. TREMATOPORA TUBULOSA Hall. See Diamesopora? tubulosa. TREMATOPORA VARIA Hall. See Chilotrypa varia. TREMATOPORA VARIOLATA Hall. See Chilotrypa variolata. Trematopora whitfleldl Ulrich. Trematopora whitfieldi Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1888, p. 262, pi. 13, figs, 4, 4a.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, pp. 44, 45, pi. 23, figs. 16, 17; pi. 27, figs. 16, 17. Niagaran: Waldron, Indiana (Waldron); Lockport, New York (Rochester). Cotypes.— Cat. No. 44108, U.S.N.M. TREMATOSPIRA Hall. Genotype: Spirifer? perforatus Hall. Trematospira Hall, Pal. New York, 3, 1859, p. 207; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 27; 16th Rep., ibid., 1863, p. 54; Pal. New York, 4, 1867, p. 271.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 60.— David- son, Mon. British Foss. Brach., 5, Sil. Suppl., Pal. Soc., 1882, p. 82.— Miller, N. A. Geol. Pal., 1889, p. 385.— Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 135.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 124; 13th Ann. Rep. New York State Geol., 1895, p. 798.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 221; ibid., 7, 1901, p. 201; Bull. New York State Mus., 45, 1901, p. 201.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 345.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 337; 2d ed., 1913, p. 414. BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 1285 TREMATOSPIRA ACADLE Hall. See Bhynchospira(?) acadise. Trematosplra camura Hall. Atrypa camura Hall, Pal. New York, 2, 1852, p. 273, pi. 56, fig. 3. Bhynchonella camura Billings, Geol. Canada, 1863, p. 315, fig. 322.— Lesley, Geol. Surv. Pennsylvania, Hep. P 4, 1889, p. 884, figs. Trematospira camura Hall, Pal. New York, 3, 1859, p. 212, pi. 28A, fig. 1.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 126, pi. 49, figs. 2-4.— Grabau, Bull. New York State Mus., 45, 1901, p. 201, fig. 122; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 201, fig. 122.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 345, fig. 443. Clinton (Rochester): Lockport and Niagara Falls, New York. Trematosplra camura pauciplicata Foerstc. Trematospira camura-pauciplicata Foerste, Cincinnati Soc. Nat. Hist., Jour., 21, 1909, p. 18, pi. 2, figs. 9A, B. Clinton (West Union) : West Union, Ohio. TREMATOSPIRA? DISPARILIS Hall. See Atrypina disparilis. TREMATOSPIRA (BHYNCHOSPIRA) GLOBOSA Hall. See Bhynchospira globosa. Trematospira granulifera Meek. Betzia (Trematospira) granulifera Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 318; Pal. Ohio, 1, 1873, p. 128, pi. 11, fig. 6. Betzia(?) granulifera Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 345.— Cumings, 32d Ann. Bep. Dep. Geol. Nat. Bes. Indiana, 1908, p. 930, pi. 36, figs. 5-5c. Trematospira(?) granulifera Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 61. — Lesley, Geol. Surv. Pennsylvania, Bep. P 4, 1890, p. 1204, figs.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1912, p. 133, pi. 8, fig. 5. Cincinnatian: Cincinnati, Ohio. Observation. — This name might as well be dropped, for the type is in all proba- bility a specimen of some Devonian species (T. gibbosa?). TREMATOSPIRA HELENA Nettelroth. See Bhynchospira (?) helena. TREMATOSPIRA MATTHEWSONI McChesney. See Atrypa marginalis. TREMATOSPIRA? QUADRIPLICATA Miller. See Bhynchotrema insequivalve. Trematospira simplex Hall. Trematospira simplex Hall, Pal. New York, 3, 1859, p. 211, pi. 28A, fig. 2.— Hall, and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 49, figs. 17, 18. Niagaran (Brownsport) : Decatur County, Tennessee. TRENTONASTER Sturtz. See Schuchertia Gregory. TRETASPIS McCoy. Genotype: Asaphus seticornis Hisinger. Tretaspis McCoy, Ann. Mag. Nat. Hist., 2d ser., 4, 1849, pp. 401, 410, fig.— Salter, Mem. Geol. Surv. United Kingdom, dec. 7, 1853, pi. 7.— McCoy, Cont. British Pal., 1854, p. 149, fig.; British Pal. Bocks, Fossils, 1854, p. 146.— Nicholson and Etheridge, Mon. Sil. FOBS. Girvan Dist., 1880, p. 188.— (Ehlert, Bull. Soc. Geol. France, 3d ser., 23, 1895, p. 312, footnote.— Beed, Geol. Mag., dec. 4, 5, 1898, p. 445.— Baymond, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 711. 1286 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tretaspis diadem at a Ruedeinann. Tretaspis diademata Ruedemann, Bull. New York State Mus., 49, 1902, p. 49, pi. 3, figs. 13, 14. Mohawkian (Rysedorph): Rysedorph Hill, Rensselaer County, New York. Tretaspis reticulata Ruedemann. Tretaspis reticulatus Ruedemann, Bull. New York State Mus., 49, 1902, p. 41 pi. 3, fig. 11, 15-20.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 3, figs. 20, 21. Mohawkian: Rysedorph Hill, Rensselaer County, New York (Rysedorph); Mary- land and Virginia (Chambersburg). TRIACRINUS D'Orbigny. See Pisocrinus DeKoninck. Trianisites Rafinesque. Not recognized. Trianisites Rafinesque, Amer. Jour. Sci. Arts, 3, 1821, p. 286; Bull. Soc. Geol. France, 10, 1839, p. 380. Trianisites cliffordi Rafinesque. Not recognized. Trianisites cliffordi Rafinesque, Amer. Jour. Sci. Arts, 3, 1821, p. 286, pi. 1, fig. A; Bull. Soc. Geol. France, 10, 1839, p. 379. Trenton: Near Lexington, Kentucky. Observation. — Probably refers to some hemispheric bryozoan. Trianisites conradi Rafinesque. Not recognized. Trianisites Conradi Rafinesque, Bull. Soc. Geol. France, 10, 1839, p. 379. Islands of St. Lawrence River. TRIARTHRUS Green. Genotype: Triarthrus beckii Green. Triarthrus Green, Mon. Tril. N. A., 1832, p. 86; Monthly Amer. Jour. Geol., 1, 1832, p. 560; Amer. Jour. Sci., 33, 1838, pp. 343, 344.— Haldeman, ibid., 2d ser., 5, 1848, p. 107.— Barrande, Neues Jahrb. Min. Geol. Pal., 1850, p. 779.— Pictet, Traite de Pal., 2d ed., 1854, p. 492.— Emmons, Amer. Geol- ogy, 1, pt. 2, 1855, p. 214.— Hitchcock, Geol. Vermont, 1, 1862, p. 308.— Chapman, Canadian Jour., n. s., 8, 1863, p. 32; Expos. Min. Geol. Canada, 1864, p. 140.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 146.— Zittel, Handb. Pal., 2, 1885, p. 598.— Miller, N. A. Geol. Pal., 1889, p. 568.— Beecher, Amer. Jour. Sci., 3d ser., 46, 1893, pp. 378, 467; ibid., 47, 1894, p. 298 — Walcott, Geol. Mag., dec. 4, 1, 1894, p. 247.— Bernard, Quart. Jour. Geol. Soc. London, 51, 1895, p. 352. — Koken, Die Leitfossilien, Leipzig, 1896, p. 19, fig. 11, fig. 1.— (Ehlert, Bull. Soc. Geol. France, 3d ser., 24, 1896, p. Ill, figs. 25, 26.— Beecher, Geol. Mag., dec. 4, 3, 1896, p. 193; Amer. Jour. Sci., 4th ser., 1, 1896, pp. 251-256; ibid., 3, 1897, p. 184; Zittel-Eastman Textb. Pal., 1, 1900, p. 629.— Jaekel, Zeits. d. d. geol. Gesell., 53, 1901, p. 136; ibid., 54, Brief Mitth., 1902, p. 55.— Beecher, Amer. Jour. Sci., 4th ser., 13, 1902, p. 165; Geol. Mag., dec. 4, 9, 1902, pp. 152-157.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 286.— Raymond, Zittel-Eastman Textb. Pal., 1913, p. 715. Triarthrus becki Green. Triarthrus beckii Green, Mon. Tril. N. A., 1832, p. 87, cast 34, pi. 1, fig. 6; Monthly Amer. Jour. Geol., 1, 1832, p. 560, pi. 1, fig. 3.— Harlan, Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 205, pi. 15, fig. 6; Med. Phys. Rea., 1835, p. 400, pi., fig. 6.— Green, Suppl. Tril. N. A., 1835, p. 7; Amer. Jour. Sci. Arts, 33, 1838, p. 142, fig. 2.— Emmons, Geol. New York, 2, 1842, p. 399, text fig. 1; p. 279, text fig. 1.— Vanuxem, ibid., 3, 1842, p. 57, fig. 1.— Mather, ibid., 1, 1843, p. 390, fig. 1.— Burmeister, Org. Tril., Berlin, 1843, p. 133.— Owen, Amer. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1287 Triarthrus beckl — Continued. Jour. Sci., 47, 1844, p. 371, fig. 1; p. 370, fig.— Hall, Amer. Jour. Sci., 2d ser., 5, 1848, pp. 322-327, figs.— Roemer, Neues Jahrb. Min. Geol. Pal., 1848, p. 179.— Haldeman, Amer. Jour. Sci., 2d ser., 8, 1848, p. 137.— Emmons, Amer. Assoc. Adv. Sci., 1849, p. 17; Amer. Geology, 1, pt. 2, 1855, p. 214, pi. 15, fig. 12; pi. 17, fig. 13.— Billings, Canadian Nat. Geol., 4, 1859, p. 383.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 49, pi. 4, fig. 13.— Barrande, Bull. Soc. Geol. de France, 2d ser. 18, 1861, p. 269, pi. 5, figs. 11, 12.— Hitchcock, Geol. Vermont, 1, 1861, pp. 308, 322.— Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 202, fig. 202.— Chapman, Cana- dian Jour. n. s., 8, 1863, p. 32, fig. 149; p. 203, fig. 200.— Expos. Min. Geol. Canada, 1864, p. 140, fig. 149; p. 175, fig. 200.— Linnarsson, Kongl. Sven. Vet.-Akad. Handl., 8, No. 2, 1869, p. 70, pi. 1, fig. 27.— Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 146.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 39.— Walcott, Trans. Albany Inst., 10, 1876 (adv. sheets, 1879), p. 23, pi. 2, figa. 1-15, pp. 3, footnote, 9 (loc. occ.). — Emerson, Narrative Hall's Sec. Arctic Exped., U. S. Navy Dep., 1879, p. 582.— Ford, Amer. Jour. Sci., 3d ser., 19, 1880, p. 152.— Miller, N. A. Geol. Pal., 1889, p. 568, fig. 1062.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1208, figs.— W. D. Mat- thew, Trans. New York Acad. Sci., 12, 1893, p. 237, pi. 8; Amer. Jour. Sci., 3d ser., 46, 1893, p. 121, pi. 1, figs. 1-7.— Beecher, ibid., 1893, p. 378, fig. 1, p. 467, figs. 1-4.— Walcott, Proc. Biol. Soc. Washington, 9, 1894, pi. 1, figs. 1-6; Geol. Mag., dec. 4, 1, 1894, pi. 8, figs. 1-6.— Bernard, Quart. Jour. Geol. Soc. London, 50, 1894, p. 425, fig. 11; p. 426, fig. 12.— Beecher, Amer. Jour. Sci., 3d ser., 47, 1894, p. 298, fig. 1, pi. 7, figs. 1-4.; Amer. Geol., 13, 1894, pp. 38-43, pi. 3, figs. 1-9; ibid., 15, 1895, pp. 91-100, pi. 4, fig. 1; pi. 5, figs. 1-11; ibid., 16, 1895, p. 172, pi. 8, figs. 12-14; pi. 10, fig. 1; Amer. Jour. Sci., 4th ser., 1, 1896, p. 256, pi. 8, figs. 1, 2.— Barnard, Sci. American Suppl., 40, 1895, p. 16534.— Beecher, Geol. Mag., dec. 4, 3, 1896, pi., figs. 1, 2.— (Ehlert, Bull. Soc. Geol. France, 3d ser., 24, 1896, pp. 99-108, figs. 1-17; p. 115, figs. 34.— Jaekel, Zeits. d. d. geol. Gesell., 53, 1901, p. 161, fig. 24, p. 162.— Beecher, Amer. Jour. Sci., 4th ser., 13, 1902, pi. 2, figs. 1-5; pi. 3, fig. 1; pi. 4, fig. 1; pi. 5, figs. 2-4; Geol. Mag., dec. 4, 9, 1902, p. 155, figs. 1-3, pis. 9, 10, 11.— Perkins, Rep. State Geol. Vermont, 3, 1902, p.. 169, fig.— Bassler, Bull. Vir- ginia Geol. Surv., 2a, 1909, pi. 7, figs. 6-8.— Grabau and Shimer, N. A. Index Fossils, 2, p. 286, fig. 1590. Brongniatia carcinodea Eaton, Geol. Textb., 2d ed., 1832, p. 33, pi. 1, fig. 3; Amer. Jour. Sci. Arts, 22, 1832, p. 166. Cancer trilobioides Eaton, Amer. Jour. Sci. Arts., 21, 1832, p. 135. Paradoxides triarthrus Harlan, Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 264, pi. 15, fig. 5; Med. Phys. Res., 1835, p. 401, pi. fig. 5. Paradoxides arcuatus Harlan, Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 265, pi. 15, figs. 1-3; Med. Phys. Res., 1835, p. 401, pi. figs. 1-3. Paradoxides Beckii Hall, Amer. Jour. Sci., 33, 1838, p. 142, fig. 1. Paradoxides Eatoni Hall, Amer. Jour. Sci., 33, 1838, fig. 2. Olenus arcuatus Goldfuss, Neues Jahrb. Min., Geol., Pal., 1843, p. 545 (gen. ref.). Olenus triarthrus Goldfuss, Neues Jahrb. Min., Geol., Pal., 1843, p. 545 (gen. ref.). Calymene beckii Hall, Pal. New York, 1, 1847, pp. 237, 250, pi. 66, figs. 2a-k.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 820, fig. 613.— Emmons, Man. Geol., 1860, p. 100, fig. 89; p. 101, fig. 91. Trenton, Utica and Eden: Various localities in the United States and Canada. Plastotypes.—C&t. No. 4966, U.S.N.M. 1288 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Triarthrus beckl macasteyensis Twenhofel. Triarthrus becki macasteyensis Twenhofel, Bull. Victoria Mem. MUB., 3, 1914, p. 35. Trenton (Macasty): Macasty Bay, Anticosti. Triarthrus belli Matthew. Triarthrus belli Matthew, Bull. Nat. Hist. Soc. New Brunswick, No. 20, 1902, p. 412, pi. 18, fig. 8; Geol. Surv. Canada, Rep. Cambrian Rocks Cape Breton, 1903, p. 230, pi. 18, fig. 8. Canadian (Bretonian — Div. C 3c2): McLeod Brook, near Boisdale, Cape Breton, Nova Scotia. Triarthrus billings! Barrande. Triarthrus Billingsi Barrande, Syst. Sil. du Centre Boheme, 1, Suppl., 1872, p. 427, pi. 32, figs. 4, 5. Trenton (Collingwood): Cape Tourmente, below Quebec, Canada. Triarthrus canadensis Smith. Triarthrus canadensis Smith, Canadian Jour., n. s., 6, 1861, p. 275, fig. Trenton (Collingwood): Whitby, Ontario. Triarthrus flscheri Billings. Triarthrus Fischeri Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 291, fig. 280.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 286. Atops fischeri Miller, N. A. Geol. Pal., 1889, p. 532 (gen. ref.). Chazyan (Quebec— N, P): Table Head, Pistolet Bay, and Portland Creek, Newfoundland. Triarthrus glaber Billings. Triarthrus glaber Billings, Canadian Nat. Geol., 4, 1859, pp. 382, 383; Geol. Canada, Geol. Surv. Canada, 1863, p. 202, fig. 198.— Chapman, Expos. Min. Geol. Canada, 1864, p. 140.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1209, fig.— Ami, Canadian Rec. Sci., 1892, p. 29. Trenton (Collingwood): Lake St John, Quebec. Triarthrus spinosus Billings. Triarthrus spinosus Billings, Geol. Surv. Canada, Rep. Progr. for 1853-1856, 1857, p. 340; Canadian Nat. Geol., 4, 1859, p. 383; Geol. Canada, Geol. Surv. Canada, 1863, p. 202, fig. 199.— Chapman, Expos. Min. Geol. Canada, 1864, p. 140.— Ami, Trans. Ottawa Field Nat. Club, 1, No. 3, 1882, p. 64; ibid., 1883, p. 88, pi. 1, fig.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1209, fig- Trenton (Collingwood): Gloucester, Ontario. TRIBLIDIUM of authors. See Tryblidium Lindstrom and Archinacella Ulrich and Scofield. TRIBLIDIUM STRIATUM Miller. See Helcionopsis striata. TRIBLIDIUM UNGUIFORME Miller. See Vallatotheca unguiformis. TRICHOPHYCUS Miller and Dyer. Genotype: T. lanosum Miller and Dyer. Trichophycus Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 24. — James, ibid., 7, 1884, p. 130, 158.— Miller, N. A. Geol. Pal., 1889, p. 147. Trichophycus lanosum Miller and Dyer. Trichophycus lanosus Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 25, pi. 1, figs. 3, 4.— James, ibid., 7, 1885, p. 158, 159, pi. 9, fig. 4. —Miller, N. A. Geol. Pal., 1889, p. 147, fig. 82. Maysville(Corryville): Warren County, Ohio. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1289 Trichophycus sllurlanum (James). Cyathophycus siluriana, James, J. F., Jour. Cincinnati Soc. Nat. Hist., 14, pt. 1, 1891, p. 64, figs. 5a-c. Maysville (Corryville) : Cincinnati, Ohio. Observation. — Probably the same as T. lanosum. Trichophycus sulcatum Miller and Dyer. Trichophycus sulcatum Miller and Dyer, Contr. to Pal., No. 2, 1878, p. 4, pi. 4, fig. 5.— James, Jour. Cincinnati Soc. Nat. Hist., 7, 1884, p. 131, pi. 6, fig. 5; ibid., 14, 1891, p. 46. Eden (Economy): Cincinnati, Ohio. Trichophycus venosum Miller. Trichophycus venosum Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 112, pi. 9, figs. 5, 5a; ibid., 7, 1884, p. 131; ibid., 14, 1891, p. 46. Maysville (Fairmount): Cincinnati, Ohio. TRICHOSPONGIA Billings. Genotype: T. sericea Billings. Trichospongia Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 357.— Hinde, Quart. Jour. Geol. Soc. London, 45, 1889, p. 145.— Miller, N. A. Geol. Pal., 1889, p. 166.— Rauff, Palaeontographica, 40, 1894, p. 242. Trichospongia hystrix Whiteaves. Trichospongia hystrix Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 3, 1897, p. 147, pi. 17, fig. 3. Black River pr Richmond: Cat. Head, Lake Winnipeg, Canada. Trichospongia sericea Billings. Trichospongia sericea Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, pp. 356, 357. — Bornemann, Verst. Cambr. Sardin. N. Act. Leop. Carol. Akad. Naturf., 51, 1886, p. 33.— Hinde, Quart. Jour. Geol. Soc. London, 45, 1889, p. 145.— Rauff, Palseontographica, 40, 1894, p. 242. Canadian (Romaine) : Mingan Islands, Canada. TRIGONOCEPHALUS Zenker. See Conocephalites Zenker. TRIGONODICTTA Ulrich. Genotype: Pachydictya conciliatrix Ulrich. TrigonodictyaUlrich, Geol. Minnesota, 3, 1893, p. 160.— Nicklesand Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 49. Trlgonodictya conciliatrix (Ulrich). Pachydictya conciliatrix Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Surv. Minne- sota, 1886, p. 76. Trigonodictya conciliatrix Ulrich, Geol. Minnesota, 3, 1893, p. 160, pi. 9, figs. 11, 12; pi. 10, figs. 15-20. Black River (Decorah) : Cannon Falls, Minnesota. Cotypes.—Cat. No. 43596, U.S.N.M. Trigonodictya eatonensis Ulrich. Trigonodictya eatonsis Ulrich, Geol. Minnesota, 3, 1893, p. 160.— Foerste, Geol. Surv. Ohio, 7, 1895, p. 599. Upper Medinan (Brassfield) : Eaton, Ohio. Cotypes.—Cat. No. 43595, U.S.N.M. TRIGONOGRAPTUS Nicholson. Genotype: T. lanceolatus Nicholson. Trigonograpsus Nicholson, Ann. Mag. Nat. Hist., 4th ser., 4, 1869, p. 231; Mon. British Grapt., 1872, p. 122. 1290 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TRIGONOGRAPTUS— Continued. Trigonograptus Zittel, Handb. Pal., 1, 1879, p. 302.— Koken, Die Leitfossilien, Leipzig, 1896, p. 329. — Roeiner and Freeh, Leth. geog.; 1 Theil, Leth. Pal., 1, 3 Lief, 1897, p. 624.— Ruedemann, Mem. New York State Mus., 7, pt. 1, 1904, pp. 726, 727. Trigonograptus ensiformis (Hall). Graptolithus ensiformis Hall, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 133; Canadian Nat. Geol., 3, 1858, p. 167. Retiolites ensiformis Hall, Geol. Surv. Canada, dec. 2, 1865, p. 114ff, pi. 14, figs. 1-5.— Roemer and Freeh, Leth. geog., 1 Thiel, Leth. Pal., 1, 3 Lief., 1897, p. 667, footnote. Trigonograptus ensiformis Hopkinson and Lapworth, Quart. Jour. Geol. Soc., 31, 1875, p. 659ff, pi. 34, figs. 8a-c.— Ami, Rep. Geol. Surv. Canada, 2d ser., 3, pt.2, 1889, p. 117k.— Nicholson, Geol. Mag., 3d ser., 7, 1890, pp. 340, 341, figs. 1, 2.— Elles, Quart. Jour. Geol. Soc. London, 54, 1898, pp. 523, 524, fig. 34.— Ruedemann, Ann Rep. New York State Pal., 1902, p. 571; Mem. New York State Mus., 7, pt. 1, 1904, pp. 727-729, pi. 17, figs. 1-9. Canadian: Point Levis, Quebec (Levis, Diplograptus dentatus zone); Deepkill, Rensselaer County, and Mount Moreno, New York (Deepkill, D. dentatue zone); Arkansas; England (Skiddaw). TRIGTRA Raymond. Genotype: T. ulrichi Raymond. Trigyra Raymond, Ann. Carnegie Mus., 4, 1908, p. 198. Trlgyra ulrichi Raymond. Trigyra ulrichi Raymond, Ann. Carnegie Mus., 4, 1908, p. 198, pi. L, fig. 6. Chazyan (Day Point) : Isle La Motte, Vermont. Holotype.—Czt. No. 53630, U.S.N.M. TRILOBITES ALATUS Boeck. See Sphgerophthalmus alatus. TRIMERELLA Billings. Genotype: T. grandis Billings. Trimerella Billings, Pal. Fossils, 1, 1862, p. 166.— Dall, Amer. Jour. Conch., 6, 1870, p. 160; ibid., 7, 1871, p. 79.— Davidson and King, Quart. Jour. Geol. Soc. Lon- don, 30, 1874, p. 143.— Dall, Bull. U. S. Nat. Mus., 8, 1877, p. 74.— Zittel, Handb. Pal., 1, 1880, p. 668.— Miller, N. A. Geol. Pal., 1889, p. 386.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 33, 46, 163; llth Ann. Rep. New York State Geol., 1894, p. 236.— Koken, Die Leitfossilien, Leipzig, 1896, p. 231, fig. 190, 3.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 306; 2d ed., 1913, p. 373.— Whiteaves, Ottawa Nat., 16, 1902, p. 139.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 191. Gotlandia Dall, Amer. Jour. Conch., 6, 1870, p. 160. Trimerella acuminata Billings. Trimerella acuminata Billings, Pal. Fossils, 1, 1862, pp. 167, 168, fig. 152; Amer. Jour. Sci., 3d ser., 1, 1871, p. 471; Ann. Mag. Nat. Hist., 4th ser., 8, 1871, p. 140.— Dall, Amer. Jour. Conch., 7, 1871, p. 82.— Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, p. 146, pi. 15, figs. 4-7; pi. 16, figs. 1, 2.— Nicholson, Pal. Prov. Ontario, 1875, p. 68, fig. 36.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pl.4B, fig. 6.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 54.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 191. Niagaran: Gait, New Hope, and Hespelar, Ontario; near Hillsboro, Ohio (Guelph); Port Byron, Illinois; Gotland and Faro. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1291 Trimerella billings! Dall. Trimerella billingsi Dall, Amer. Jour. Conch., 7, 1871, p. 82, pi. 11, figs. 1-3.— Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, p. 150, pi. 16, figs. 8, 9.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 55. Niagaran (Guelph): New Hope, Ontario. Trimerella borealis Whiteaves. Trimerella borealis Whiteaves, Ottawa Nat., 16, 1902, p. 142, pi. 3, figs. 2, 3; Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 250, pi. 25, figs. 3, 3a. Niagaran: Ekwan River, Canada. TRIMERELLA CONRADI Dall. See Dinobolus conradi. Trimerella dalli Davidson and King. Trimerella dalli Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, p. 154, pi. 15, figs. 1-3.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 4A, fig. 10.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 56 (loc. occ.). Niagaran (Guelph): Hespelar, Elora, and New Hope, Ontario. Trimerella ekwanensis Whiteaves. Trimerella Equanensis Whiteaves, Ottawa Nat., 16, 1902, p. 141, pi. 2, figs. 1, 2; pi. 3, fig. 1. Trimerella Ekwanensis Whiteaves, Geol. Surv. Canada, Ann. Rep., n. s., 16, App. F, 1904, p. 41; ibid., Pal. Foss., 3, pt. 4, 1906, p. 249, pi. 24, fig. 7; pi. 25, figs. 1, 2. Niagaran: Ekwan River, Canada. TRIMERELLA GALTENSIS Davidson and King. See Rhinobolus galtensis. Trimerella grandis Billings. Trimerella grandis Billings, Pal. Fossils, 1, 1862, pp. 166, 167, fig. 151.— Dall, Amer. Jour. Conch., 2, 1870, p. 160; ibid., 7, 1871, p. 82.— Hall, 23d Rep. New York State Cab. Nat. Hist., 1873, pi. 13, figs. 11-16.— Davidson and King, Quart. Jour. Geol. Soc. London, 30, 1874, pi. 13, figs. 2, 3.— Nicholson, Pal. Prov. Ontario, 1875, p. 67, fig. 37.— Miller, N. A. Geol. Pal., 1889, p. 386, figs. 631, 632.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1221, figs.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 4A, figs. 1, 2; pi. 4B, figs. 2-5.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 53.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 192, fig. 226c, d: Niagaran (Guelph): Gait, New Hope, Elora, and Hespelar, Ontario; near Hills- boro, Ohio; Wisconsin. TUIMERELLA MINOR Dall. See Rhinobolus galtensis. Trimerella ohioensis Meek. Trimerella ohioensis Meek, Amer. Jour. Sci., 3d eer., 1, 1871, p. 305.— Dall, Amer. Jour. Conch., 7, 1871, p. 83.— Davidson and King, Geol. Mag., 9, 1872.— Meek, Pal. Ohio, 1, 1873, p. 183, pi. 16, fig. 1; Quart. Jour. Geol. Soc. London, 30, 1874, p. 153, pi. 16, figs. 3-7; pi. 19, figs. 1-2.— Lesley, Geol. Surv. Penn- sylvania, Rep. P 4, 1890, p. 1222, figs.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pi. 4A, figs. 3-9.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, p. 54, pi. 10, figs. 1, la.— Grabau and Shimer, N. A. Index Fossils, 1, p. 191, figs. 226a, b. Niagaran (Guelph): Genoa, Ottawa County, Ohio; Port Byron, Illinois; Elora, Ontario. Holotype.—Cat. No. 7801, U.S.N.M. 84243°— Bull. 92— vol 2—15 37 1292 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TRIMERES Barrande. See Trimeroceras Hyatt. TEIMEROCERAS Hyatt. Genotype: Gomphoceras staurostoma Barrande. Trimorion Barrande, Syst. Sil. Boheme, 2, pt. 1, 1867, p. 265. Trimeres Barrande, Syst. Sil. Boheme, 2, pt. 1, 1867, p. 265. Trimeroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 278.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 130.— Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 245. Trimeroceras gilbert! Kindle and Breger. Trimeroceras gilberti Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. lies. Indiana, 1904, p. 475, pi. 15, fig. 1.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 130. Niagaran: Huntington and Delphi, Indiana. Hohtype.—Cxt. No. 52950, U.S.N.M. TRIMEROCTSTIS Schuchert. Genotype: T. peculiaris Schuchert. Trimerocystis Schuchert, Smiths. Misc. Coll., 47, 1904, p. 237. Trimerocystls pecularis Schuchert. Trimerocystis pecularis Schuchert, Smiths. Misc. Coll., 47, pt. 2, 1904, p. 239, fig. 34, pi. 35, figs. 1-3; Maryland Geol. Surv., Low. Dev., 1913, p. 244, pi. 34, figs. 8-10. Helderbergian (Keyser): Keyser, West Virginia. Holotype.—G&t. No. 35064, U.S.N.M. TRIMERUS Green. See Homalonotus Koenig. TRIMORION Barrande. See Trimeroceras Hyatt. TRINUCLEUS Murchison. See Cryptolithus Green. TRINUCLEUS CARACTACI Emmons. See Cryptolithus tessellatus. TRINUCLEUS CONCENTRICA of authors. See Cryptolithus tessellatus. TRIPLECIA Hall. Genotype: Atrypa extans Emmons. Triplesia Hall, Pal. New York, 3, 1859, p. 522; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 44.— Davidson, Mon. British Sil. Brach., Pal. Soc., 1869, p. 197.— Zittel, Handb. Pal., 1, 1880, p. 692.— Davidson, Mon. British Foss. Brach., 5, Sil. Suppl., Pal. Soc., 1883, p. 141.— Waagen, Pal. Indica, 13th ser., 1, 1884, p. 576.— Miller, N. A. Geol. Pal., 1889, p. 387.— Koken, DieLeit- fossilien, Leipzig, 1896, p. 235.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 387. Triplecia Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 269.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 408.— Hall and Clarke, llth Ann. Rep. New York State Geol., 1894, p. 289.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 315. Dicraniscus Meek, Amer. Jour. Sci., 3d ser., 4, 1872, p. 279; Pal. Ohio, 1, 1873, p. 576. (Genotype: D. ortoni Meek.) Cliftonia new subgenus of Triplecia Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 82.— Schuchert, Zittel-Eastman Textb. Pal., 1913, p. 387. (Genotype: C. striata Foerste.) Oxoplecia Wilson, Bull. Victoria Mem. Mus., 1, 1913, p. 81. (Genotype: O. cal- houni Wilson.) TRIPLECIA? CALCIFERA Hall and Clarke. See Syntrophia calcifera. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1293 Trlplecia (Cliftonia) calhouni (Wilson). Oxoplecia calhouni Wilson, Bull. Victoria Mem. Mus., 1, 1913, p. 82, fig. 4, and pi. 8. Trenton (Collingwood) : Ottawa, Ontario. Triplecla cuspidata (Hall.) Atrypa cuspidata Hall, Pal. New York, 1, 1847, p. 138, pi. 33*, fig. 1, and p. 318.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 190. Triplesia cuspidata Hall, Pal. New York, 3, 1859, p. 522.— Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270. Trenton: Lowville, New York. Triplecia extans (Emmons). Atrypa extans Emmons, Geol. New York, Rep. 2d Dist., 1842, p. 395, fig. 6.— Hall, Pal. New York, 1, 1847, p. 137, pi. 33, fig. 1.— Owen, Amer. Jour. Sci. Arts, 47, 1844, p. 369, fig. 6.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 189, pi. 10, figs. 1, 11; Man. Geol., 1860, p. 99, fig. 88. Triplecia extans Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270, pi. 11C, figs. 1-7.— Raymond, Bull. Amer. Pal., 3, 1902, p. 304, pi. 19, fig. 4. Triplesia extans Hall, Pal. New York, 3, 1859, p. 523, figs. 1-3.— Miller, N. A. Geol. Pal., 1889, p. 387, fig. 634.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1225, figs. Camarella extans Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 112, figs. Trenton: Watertown, Lowville, and Boonville, New York. Triplecia insularis anticostiensis Twenhofel. Orthis insularis Davidson, Mon. British Foss. Brach., 3, pt. 7, 1871, p. 273, pi. 37, figs. 8-15. Triplecia ortoni Schuchert and Twenhofel, Bull. Geol. Soc. Amer., 21, 1910, p. 710. Triplecia insularis anticostiensis Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 26. Anticostian (Gun River, Jupiter River) : Jupiter River, Anticosti. Triplecia niagarensis Hall and Clarke. Triplecia niagarensis Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 83, figs. 16-20; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 351, pi. 7, figs. 1-4; 14th Rep. State Geol. New York for 1894, 1897, p. 351, pi. 7, figs. 1-4. Niagaran (Racine?): Near Milwaukee, Wisconsin. Triplecia nucleus (Hall). Atrypa nucleus Hall, Pal. New York, 1, 1847, p. 138, pi. 33, fig. 2.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 189, pi. 10, fig. 2. Triplesia nucleus Hall, Pal. New York, 3, 1859, p. 522. Triplecia nucleus, Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270, pi. 11C, figs. 8, 9.— Ruedemann, Bull. New York State Mus., 49, for 1901, 1902, p. 24. Camarella nucleus Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 112, figs. Trenton: Middleville and Rysedorph Hill (Rysedorph), New York. Triplecia ortoni (Meek). Dicraniscus ortoni Meek, Amer. Jour. Sci., 3d ser., 4, 1872, p. 280. Triplecia ortoni, Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 270; pi. 11C, figs. 12-20.— Foerste, Geol. Ohio, 7, 1895, p. 585, 1294 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Triplecia ortoni — Continued. Triplesia ortoni Meek, Pal. Ohio, 1, 1873, p. 178, pi. 15, fig. 1.— Davidson, Mon. British Foss. Brach., 5, Sil. Suppl., Pal. Soc., 1883, p. 142, fig.— Miller, N. A. Geol. Pal., 1889, p. 387, fig. 635.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 1226, fig.— Foerste, Jour. Geol., 11, 1903, p. 707 (loc. occ.). Upper Medinan (Brassfield): Dayton, etc., Ohio; Indiana; Kentucky; Tennessee. Triplecia(?) radiata Whitfield. Triplesia radiata Whitfield, Bull. American Mus. Nat. Hist., 2, 1889, p. 43, pi. 7, figs. 5-8.— Lesley, Geol. Surv. Pennsylvania, Rep., P 4, 1890, p. 1225, figs. Triplecia radiata, Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 271. Canadian (Beekmantown): Beekmantown, New York. Triplecia (Cliftonia) strlata Foerste. Triplecia (Cliftonia) striata Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 81, pi. 3, fig. 42A, B. Upper Medinan (Brassfield): Near Clifton, Tennessee. Triplecia (Cliftonia) tenax Foerste. Triplecia (Cliftonia) tenax Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 82, pi. 3, fig. 39; pi. 4, fig. 70A, B. Clinton (Osgood): Clifton, Tennessee. Triplecia (California) ulrichi Winchell and Schuchert. Triplecia ulrichi Winchell and Schuchert, Geol. Minnesota, 3, 1893, pi 409, fig. 34. Richmond (Maquoketa): Wykoff and Spring Valley, Minnesota. Cotypes.—Ca,t. No. 45545, U.S.N.M. TRIPLESIA Hall and Clarke. See Triplecia Hall. TRIPLESIA? AMBIGUA Hall. See Camarella ambigua. TRIPLESIA CALCIFERA Walcott. See Syntrophia nundina. TRIPLESIA? congesta Hall. See Hyattidina congesta. TRIPLESIA LATERALIS Whitfield. See Syntrophia lateralis. TRIPLESIA PUTTLLUS Hall. See Mimulus waldronensis. TRIPLESIA? QUADRICOSTATA Hall. See Hyattidina congesta. TRIPLEUROCERAS Hyatt. Genotype: Orthoceras archiaci Barrande. Tripleuroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1883, p. 289. Tripleuroceroceras Hyatt, Zittel-Eastman Textb. Pal., 1900, p. 529. Tripleuroceras robsonl Whiteaves. Tripleuroceras Robsoni Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 281, pis. 31, 32.— Ottawa Nat., 12, 1898, p. 123. Niagaran: Stonewall, Manitoba. TRIPTEROCERAS Hyatt. Genotype: Orthoceras hastatum Billings. Tripteroceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 287.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 103. Trypteroceras Zittel, Handb. Pal., 2, 1884, p. 370. Triptoceras Miller, N. A. Geol. Pal., 2d App., 1897, p. 778.— Clarke, Geol. Minne- sota, 3, pt. 2, 1897, p. 791. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1295 Tripteroceras hastatum (Billings). Orthoceras hastatum Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 333. Tripteroceras hastatum Hyatt, Proc. Boston Soc. Nat. Sci., 22, 1884, p. 287. Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. Tripteroceras Iambi (Whiteaves). Gonioceras Iambi Whiteaves, Trans. Royal Soc. Canada, 9, sec. 4, 1891, p. 86, pi. 11, figs. la-b. Triptoceras Iambi Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 793, pi. 56, figs. 1 and 2. Tripteroceras lambii Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 213.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 105, fig. 1332. Black River or Richmond: East Selkirk, Manitoba; Stewartville, Minnesota (?Trenton). Tripteroceras oweni (Clarke). Triptoceras oweni Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 792, pi. 56, figs. 5-7. Tripteroceras oweni Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 104, fig. 1330. Black River (Platteville) : Cannon Falls, Minnesota. Tripteroceras planoconvexum (Hall). Orthoceras planoconvexum Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 47. — Whitfield, Geol. Wisconsin, 4, 1882, p. 228, pi. 7, fig. 14; Mem. Amer. Nat. Hist., 1, pt. 2, 1895, p. 72, pi. 8, figs. 24, 25; pi. 9, figs. 1, 2. Triptoceras planoconvexum Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 791, pi. 56> fig. 3; pi. 57, fig. 1. Tripteroceras planoconvexum Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 103, fig. 1329. Black River: Beloit and Mineral Point, Wisconsin; Cannon Falls, Minnesota Platteville); Lincoln County, Missouri (Auburn). Trenton (Prosser) : Hader and Wykoff, Minnesota. Tripteroceras planodorsatum (Whitfield). Cyrtoceras planodorsatum Whitfield, Geol. Wisconsin, 4, 1882, p. 231, pi. 7, figs. 10-12.— Chamberlin, ibid., 1883, p. 159, fig. Triptoceras planodorsatum Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 792, pi. 56, fi0. 4; pi. 57, figs. 2-4. Tripteroceras planodorsatum Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 104, fig. 1331. Black River (Platteville): Near Beloit, Wisconsin; Minneapolis, Minnesota. Plesiotype— Ca't. No. 46529, U.S.N.M. TRIPTEROCERAS SEMIPLANATUM Whiteaves. See Jovellania semiplanata. Tripteroceras servile (Billings). Orthoceras servile Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 252. Triptoceras servile Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 793 (gen. ref .). Chazyan (Quebec — L) : Point Rich, Newfoundland. Tripteroceras xiphias (Billings). Orthoceras xiphias Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 318; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 22 (loc. ref.). Triptoceras xiphias Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 793 (gen. ref.). Trenton: Ottawa, Ontario. Richmond (English Head) : Cliffs east of English Head, Anticosti. 1296 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TRIPTOCERAS Miller. See Tripteroceras Hyatt. TROCHOCERAS Barrande. Genotype: T. davidsoni Barrande. Trochoceras Barrande, Haidinger's Berichte, Wien, 1847, p. 266; Neues Jahrb. Min., Geol., Pal., 1853, p. 343; ibid., 1854, p. 8.— Pictet, Traite de Pal., 2ded., 2, 1854, p. 640.— Barrande, Neues Jahrb. Min., Geol., Pal., 1855, p. 259, pi. 3, fig. 18; Bull. Soc. Geol. France, 2d ser., 12, 1855, p. 159, pi. 5, figs. 9, 10; Syst. Sil. Boheme, 2, pt. 1, 1867, p. 74.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 502.— Foord, Cat. Foss. Ceph. British Mus., 2, 1891, p. 14.— Zittel, Handb. Pal., 2, 1885, p. 384.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 102. Sphyradoceras Hyatt, Boston Soc. Nat. Hist., 22, 1883, p. 298.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 74 (Genotype: Trochoceras clio Hall). TROCHOCERAS Hall. See Mitroceras Hyatt. Trochoceras aeueas Hall. Trochoceras aeneas Hall, 20th Rep. New York State Cab. Nat. Hist., rev. ed., 1868, 1870, footnote expl. of pi. 25, fig. 16. Niagaran: Lyons, Iowa. TROCHOCERAS AMERICANUM Foord. See Gyroceraa americanum. Trochoceras anderdonense Grabau. Trochoceras anderdonense Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 200, pi. 28, fig. 9; pi. 29, figs. 5, 6. Upper Monroan (Amherstburg) : Detroit River, opposite Amherstburg, Ontario. TROCHOCERAS BAERI Meek and Worthen. See Gyroceras baeri. TROCHOCERAS (GYROCERAS) BANNISTERI Hall. See Gyroceras bannisteri. Trochoceras boreale Foord. Trochoceras boreale Foord, Cat. Foss. Ceph. British Mus., 2, 1891, p. 23. — Ami, Canadian Rec. Sci., 4, 1891, p. 399. Niagaran : Wellington Channel, Arctic America. Trochoceras costatum (Hall). Trochoceras costatum Hall, Geol. Surv. Wisconsin, Rep. Prog, for 1860, 1861, p. 61; Trans. Albany Inst., 4, 1863, p. 288; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 360, pi. 16, figs. 1, 2; rev. ed., 1870, p. 402, pi. 25, fig. 15.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 194, fig. — Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 103, pi. 20, figs. 1, 2. Sphyradoceras costatum Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 74. fig. 1287. Niagaran: Racine and near Milwaukee, Wisconsin (Racine); Shelby, New York (Guelph). Trochoceras desplaineuse McChesney. Trochoceras desplainensis McChesney, Desc. New Species Fossils, 1860, p. 68; pis., 1865, pi. 8, fig. 2; Trans. Chicago Acad. Sci., 1, 1868, p. 52, pi. 8, fig. 1.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 359, pi. 16, figs. 8-10; rev. ed., 1870, p. 401, pi. 16, figs. 8-10.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 36, pi. 5, fig. 5.— Newell, Proc. Boston Soc. Nat. Hist., 23, 1888, p. 486.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 105.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 1228, fig.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 100, pi. 20, fig. 3-9. BIBLIOGRAPHIC LIST 01? GENERA AND SPECIES. 1297 Trochoceras desplainense — Continued. Trochoceras (Sphyradoceras) cf. desplainense Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 472. Sphyradoceras desplainense Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 74, fig. 1286. Niagaran: Joliet, etc., Illinois; Wisconsin (Racine); Shelby and Rochester, New York; Ontario; Wisconsin (Guelph); Huntington, Indiana. TROCHOCERAS GEBHARDII Hall. See Mitroceras gebhardi. TROCHOCERAS HALLI Foord. See Plectoceras halli. Trochoceras? incipiens Barrande. Trochoceraa incipiens Barrande, Syst. Sil. du Boheme, 4me ser., 2, 1870, pi. 433, figs. 5-9. Lower Ordovician: Newfoundland. Trochoceras insigne Whiteaves. Trochoceras insigne Whiteaves, Geol. Surv. Canada Pal. Fosg., 3, pt. 4, 1906, p. 282, pi. 41; Ottawa Nat., 12, 1898, p. 124. Niagaran: Stonewall, Manitoba. Trochoceras mccharlesi Whiteaves. Trochoceras McCharlesii Whiteaves, Trans. Roy. Soc. Canada, 7, sec. 4, 1889, p. 81, pi. 16; Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 228. Black River or Richmond: East Selkirk, Manitoba. Trochoceras notum Hall. Trochoceras notum Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 360; rev. ed., 1870, p. 403, pi. 16, figs. 1, 2. Niagaran (Racine) : Bridgeport, Illinois. Trochoceras turbinatum Hall. Trochoceras turbinata Hall, Pal. New York, 2, 1852, p. 336, pi. 77, fig. 1. Cayugan (Cobleskill): Schoharie, New York. Trochoceras waldronense Hall. Trochoceras Waldronense Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1877, pi. 27, figs. 13-15; mus. ed., 1879, p. 179, pi. 27, figs. 13-15; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 326, pi. 28, figs. 13-15.— Miller, N. A. Geol. Pal., 1889, p. 455, fig. 763.— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1889, p. 1229, figs. Niagaran (Waldron): Waldron, Indiana. TROCHOCRINITES Portlock. See Periechocrinus Austin. TROCHOLITES Conrad. Genotype: T. ammonius Conrad. Trocholites Conrad, 2d Ann. Rep. New York GeoLSurv., 1838, p. 118; Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 274.— Hall, Pal. New York, 1, 1847, p. 192.— D'Orbigny, Prodr. de Pal., 1, 1849, p. 5.— McCoy, British Pal. Rocks Fossils, 1854, p. 323.— Pictet, Traite de Pal., 2d ed., 2, 1854, p. 647.— Emmons, Amer. Geol., 1, pt. 2, 1855, p. 146.— Hitchcock, Geol. Vermont, 1, 1861, 1862, p. 297.— Angelin, Fragmenta Silurica, 1880, p. 10.— Remele, Zeits. d. d. geol. Gesell., 32, 1880, p. 642, footnote; ibid., 33, 1881, p. 4, p. 12.— Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 267.— Zittel, Handb. Pal., 2, 1884, p. 377.— Holm, Palaeont. Abhandl., Dames and Kayser, 3, Heft 1, 1885, p. 9.— Miller, N. A. Geol. Pal., 1889, p. 456.— Schroder, Pal. Abhandl. 1298 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TROCHOLITES— Continued. von Dames u. Kayser, Netie Folge, 1, Heft 4, Jena, 1891, p. 5.— Foord, Cat. Foss. Ceph. British Mua., 2, 1891, p. 43.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 482.— Koken, Die Leitfossilien, Leipzig, 1896, p. 50, fig. 36, figs. 1, la.— Whiteaves, Ottawa Nat., 18, 1904, p. 13.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 478.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 71. Pateoclymenia Remele, Zeits. d. d. geol. Gesell., 33, 1881, pp. 12, 13.— Foord, Cat. Foss. Ceph. British Mus., 2, p. 44.— Schroder, Pal. Abhandl. von Damea u. Kayser, Neue Folge, 1, Heft 4, Jena, 1891, p. 6. (Genotype: Trocholitea planorbiformis Conrad.) Palseonautilus Remele, Zeits. d. d. geol. Gesell., 32, 1881, p. 640.— Schroder, Pal. Abhandl. von Dames u. Kayser, Neue Folge, 1, Heft 4, Jena, 1891, p. 6. (Genotype: Trocholites planorbiformis Hall, not Conrad.) Trocholites ammonlus Conrad. Trocholites ammonius Conrad, 2d Ann. Rep. New York Geol. Surv., 1838, p. 119.— Emmons, Geol. New York, 2, 1842, p. 279, fig. 3; p. 392, fig. 1; 3, 1842, p. 55.— Owen, Amer. Jour. Sci. Arts, 47, 1844, p. 369, fig. 1 on p. 365.— Hall, Pal. New York, 1, p. 192, pi. 40A, figs. 4a-k; p. 309, pi. 84, figs. 2a-c.— Emmons, Amer. Geol., 1, pt. 2, 1855, p. 146, fig. 29, pi. 12, figs. 13, 14a-d, 15a-c.— Emmons, Man. Geol., 1860, p. 96, fig. 85.— Lincklaen, 14th Rep. New York State Cab. Nat. Hist., 1861, p. 47, pi. 2, fig. 1.— Hitchcock, Geol. Vermont, 1, 1861, 1862, p. 297, fig. 207.— Remele, Zeits. d. d. geol. Gesell., 33, 1881, pp. 4, 11.— Ami, Canadian Rec. Sci., 3, 1888, p. 105.— Miller, N. A. Geol. Pal., 1889, p. 456, fig. 764.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1229, figs.— Foord, Cat. Foss. Ceph. British Mus., 1891, pi. 2, p. 47.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 487.— Whiteaves, Ottawa Nat., 18, 1904, p. 14.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 71, fig. 1282. Lituites ammonius James, Jour. Cincinnati Soc. Nat. Hist., 8, 1886, p. 249. Trocholithua uticus Vanuxem, Geol. New York, 3, 1842, p. 57, fig. 3. Trenton: Newport, Middleville, Canajoharie, etc., New York; West Covington, Kentucky. Trocholites canadensis Hyatt. Trocholites planorbiformis Foord, Cat. Foss. Ceph. British Mus., pt. 2, 1891, p. 48. Palaeonautilus planorbiformis Kemele, Zeits. d. d. geol. Gesell., 33, 1881, p. 13. Trocholites canadensis Hyatt, Proc. Amer. Phil. Soc. 32, 1894, p. 486, pi. 4, figs. 23, 24; pi. 6, figs. 39, 40.— Whiteaves, Ottawa Nat., 18, 1904, p. 16. Trenton: Falls of Montmorency, near Quebec, Canada. Trocholites circularis Miller and Dyer. Trocholites circularis Miller and Dyer, Cont. to Pal., 2, 1878, p. 9, pi. 3, fig. 10.— Miller, N. A. Geol. Pal., 1889, p. 456, fig. 765. Lituites circularis James, J. F., Jour. Cincinnati Soc. Nat. Hist., 8, 1886, p. 248. Maysville: Near Morrow, Ohio. Trocholites dyeri Hyatt. Trocholites dyeri Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 489. Cincinnatian: Cincinnati, Ohio. Trocholites internlstriatus (Whitfield). Lituites internistriatus Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 332, pi. 29, figs. 5-8. BIBLIOGRAPHIC LIST OP GENERA AND SPECIES. 1299 Trocholites internistriatus — Continued. Trocholites internistriatus Hyatt, Amer. Phil. Soc. Proc., 32, 1894, p. 485, pi. 4, fig. 25.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 479, pi. 24, fig. 2, fig. 38. Discoceras internestriatum Schroder, Pal. Abhandl. von Dames und Kayser, Neue Folge, 1, Heft 4, 1891, p. 23. Canadian (Beekmantown) : Fort Cassin, Vermont. Trocholites mtnusculus Miller and Dyer. Trocholites minusculus Miller and Dyer, Contr. to Pal., 2, 1878, p. 9, pi. 3, fig. 11.— Hyatt, Proc. Amer. Phil. Soc., 32, 1894, p. 490. Eden (Southgate): Cincinnati, Ohio. TROCHOLITES MULTICOSTATUS Whiteaves. See Discoceras graftonense. Trocholites planorbiformis Conrad. Trocholites planorbiformis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 274, pi. 17, fig. 1.— Hall, Pal. New York, 1, 1847, p. 310, pi. 84, figs. 3a-f.— McCoy, British Pal. Rocks and Foss., 1854, p. 324. — Emmons, Amer. Geology, 1, pt. 2, 1855, p. 147.— Ami, Canadian Rec. Sci., 4, 1891, p. 399.— Whiteaves, Ottawa Nat., 18, 1904, p. 15.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 72, fig. 1283. Lituites planorbiformis James, Jour. Cincinnati Soc. Nat. Hist., 8, 1886, p. 247. Cincinnatian (Pulaski): Near Grimsby, Ontario; Pulaski, New York. TROCHOLITES PLANORBIFORMIS Foord. See Trocholites canadensis. TROCHOLITES UNDATUS Hyatt. See Plectoceras? undatus. TROCHOLITHUS UTICUS Vanuxem. See Trocholites ammonius. TROCHOLITOCERAS Hyatt. Genotype: T. walcotti Hyatt. Trocholitoceras Hyatt, Amer. Phil. Soc. Proc., 32, 1894, p. 480.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 778.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 478. Trocholitoceras walcotti Hyatt. Trocholitoceras walcotti Hyatt, Amer. Phil. Soc. Proc., 32, 1894, p. 480, pi. 6, figs. 12-20.— Ruedemann, Bull. New York State Mus., 90, 1906, p. 478, fig. 37. Canadian (Beekmantown) : Fort Cassin, Vermont. Holotype.—C&t. No. 25659, U.S.N.M. TROCHONEMA Salter. Genotype: Pleurotomaria umbilicatum Hall. Trochonema Salter, Geol. Surv. Canada, Can. Org. Rem., dec. 1, 1859, p. 24, 27. — Lindstrom, Kongl. Sven. Vet.-Akad. Handl., 19, No. 6, 1881, pp. 155-180.— Zittel, Handb. Pal., 2, 1882, p. 196.— Nettelroth, Kentucky, Foss. Shells, Geol. Surv. Kentucky, 1889, p. 189.— Miller, N. A. Geol. Pal., 1889, p. 428.— Koken, Bull, de 1'Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 187.— Ulrich and Scofield, Geol. Minnesota Pal., 3, pt. 2, 1897, pp. 1045, 1046.— Koken, Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 24.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 449.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Hist. Surv. Indiana, 1908, p. 952.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 669. Trochonemopsis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1871, p. 83; Geol. Surv. Ohio, Pal., 1, 1873, p. 219. 1300 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TROCHONEMA— Continued. Eunema Salter, Geol. Surv. Canada, Can. Org. Bern., dec. 1, 1859, pp. 24, 29.— Lindstrom, Kongl. Sven. Vet. Akad. Handl., 19, No. 6, 1881, p. 155.— Zittel, Handb. Pal., 2, Munich, 1882, p. 189.— Koken, Neues Jahrb. Min., Geol., Pal., 1889, p. 424.— Miller, N. A. Geol. Pal., 1889, p. 403.— Koken, Die Leitfossilien, Leipzig, 1896, p. 118, fig. 98; Neues Jahrb. Min., Geol., Pal., 1, 1898, p. 24; Bull. Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 188.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 1046-1052.— Pilsbry, Zittel- ^Eastman Textb. Pal., 1, 1900, p. 449.— Dall, ibid., 2d ed., 1913, p. 530. (Genotype: E. strigillatum Salter.) Trochonema (Eunema) altisulcatum (Hudson). Eunema altisulcatum Hudson, Bull. New York State Mus., 80, 1905, p. 291, pi. 5, fig. 3.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 208. Chazyan (Valcour): Valcour Island, New York. Trochonema altuin Ulrich and Scofield. Trochonema altum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1052, pi. 77, figs. 39-41. Trenton (Prosser): Near Cannon Falls, Minnesota. Holotype.—C&t. No. 46021, U.S.N.M. Trochonema (Eunema) arctatum Ulrich. Trochonema (Eunema) arctatum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1054, pi. 76, figs. 9, 10. Trenton (Flanagan): Near Burgin, Kentucky. Holotype.—Czt. No. 46022, U.S.N.M. Trochonema beachi Whitfield. Trochonema beacM Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 74; Geol. Wisconsin, 4, 1882, p. 213, pi. 6, fig. 6.— Chamberlin, ibid., 1, 1883, p. 157.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1048, pi. 77, figs. 9-12. Black River (Platteville) : Beloit and Janesville, Wisconsin; Dixon, Illinois; Minneapolis, Minnesota. Plesiotypes.—C&t. Nos. 46023-46025, U.S.N.M. Trochonema bellulum Ulrich. Trochonema bellulum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1050, pi. 77, figs. 26-29. Stones River (Murfreesboro) : Murfreesboro, Tennessee. Holotype.—Czt. No. 46076, U.S.N.M. Trochonema beloitense Whitfield. Trochonema beloitense Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1878, p. 74; Geol. Wisconsin, 4, 1882, p. 212, pi. 6, figs. 7, 8.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1048, pi. 78, figs. 1-9.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 670, fig. 927. Black River (Platteville): Beloit and Mineral Point, Wisconsin; Dixon, Illinois; Minneapolis, etc., Minnesota. Plesiotypes.—Ca,t. Nos. 48011, 48012, U.S.N.M. Trochonema bfangulatum (Hall). Pleurotomaria biangulata Hall, Pal. New York, 1, 1847, p. 31, pi. 6, figs. 6a, 6b. Trochonema biangulatum Raymond, Ann. Carnegie Mus., 4, 1908, p. 205, pi. 53, figs. 9, 10. Chazyan (Day Point): Valcour Island, New York. BIBLIOGEAPHIC LIST OF GENERA AND SPECIES. 1301 Trochonema {Eunema) cerithioides (Salter). Eunema cerithioides Salter, GeoU Surv. Canada, Org. Rem., dec. 1, p. 30.— Billings, ibid., Geol. Canada, 1863, p. 145, fig. 89a, b.; ibid., Pal. Fossils, 1, 1865, p. 35, fig. 36 (adv. sheets, 1862).— Miller, N. A. Geol. Pal., 1889, p. 403, fig. 674. Black River (Leray): Pauquettes Rapids, Ottawa River, Canada. Trochonema? (Eunema) clivosa (Sardeson). Pleurotomaria clivosa Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, p. 337, pi. 6, fig. 9. Trochonema? (Eunema) clivosa Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1054 (gen. ref.). Black River (Decorah): Minneapolis, Minnesota. Trochonema dispar Raymond. Trochonema dispar Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 378; Ann. Carnegie Mus., 4, pi. 53, figs. 7, 8. Chazyan (Crown Point, Valcour): Valcour Island and Chazy, New York. TROCHONEMA (GYRONEMA) DUPLICATUM Grabau and Shimer. See Gyronema dupli- catum. Trochonema eccentricum Ulrich. Trochonema eccentricum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1049, pi. 77, figs. 17, 18.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 198. Stones River (Lebanon): Near Lebanon, Tennessee. ?Trenton: Reindeer Island, Lake Winnipeg. Holotype.—C&t. No. 46077, U.S.N.M. Trochonema (Eunema) epitome (Hudson). Eunema epitome Hudson, Bull. New York State Mus., 80, 1905, p. 290, pi. 4, figs. 6, 7.— Raymond, Ann. Carnegie Mus., 4, 1908, p. 208. Chazyan (Valcour): Valcour Island, New York. Trochonema (Eunema) erigone (Billings). Eunema Erigone Billings, Geol. Surv. Canada, Pal. Fossils, 1, 1865, p. 35, fig. 37 (adv. sheets, 1862); ibid., Geol. Canada, 1863, p. 180, fig. 171. Black River: Near L'Original, Canada. Trochonema exile Whitfield. Trochonema exile Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 57, pi. 9, figs. 1, 2.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1230, figs.— Sardeson, Jour. Geol., 11, 1903, p. 481, fig. 22. Canadian (Beekmantown): Beekmantown, New York. Trochonema fatuum (Hall). Trochonema (Eunema) fatua Hall, 20th Rep. New York State Cab. Hist., 1868, p. 345, pi. 15 (6), figs. 7, 8; rev. ed., 1870, p. 394, pi. 15, figs. 7, 8. Trochonema fatua Nettelroth, Kentucky Foss. Shells, Geol. Surv. Kentucky, 1889, p. 189. Trochonema cf. fatuum Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 75, pi. 10, fig. 5. Niagaran: Racine and Greenfield, Wisconsin (Racine); Shelby, New York (Guelph); Louisville, Kentucky (Louisville). Trochonema fragile Ulrich and Scofield. Trochonema fragile Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1050, pi. 77, figs. 13-16. Trenton (Prosser): Goodhue County, Minnesota; Carroll County, Illinois. Cotypes.-Va,t. Nos. 46028, 46029, U.S.N.M. 1302 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TROCHONEMA HALEI Miller. See Euoinphalopterua halei. Trochonema hudsonl Raymond. Holopea hudsoni Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 378. Trochonema hudsoni Raymond, Ann. Carnegie Mus., 4, 1908, p. 207, pi. 54, figs. 1-3. Chazyan (Crown Point): Crown Point, Valcour Island, and Chazy, New York. TROCHONEMA INORNATUM Whiteaves. See Euomphalus inornatus. TROCHONEMA KNOXVILLENSIS Miller. See Lophospira(?) knoxvillensia. TROCHONEMA (GYRONEMA) LIRATUM Grabau. See Gyronema liratum. Trochonema madisonense Ulrich. Trochonema madisonense Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1051, pi. 77, figs. 23-25.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 976, pi. 42, figs. 1-lb. Richmond (Whitewater-Saluda) : Madison, Indiana. Holotype.—Czt. No. 46030, U.S.N.M. Trochonema iianum Foerste. Trochonema nana Foerste, Bull. Sci. Lab. Denison Univ., 1, 1885, p. 94, pi. 14, fig. 16. Upper Medinan (Brassfield): Huffman's quarry, near Dayton, Ohio. Trochonema niota (Hall). Pleurotomaria niota Hall, Geol. Surv. Wisconsin, Rep. Prog., 1861, p. 33.— Whit- field, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 60, pi. 7, fig. 11. Trochonema niota Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1052, pi. 76, figs. 16-18.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 3, 1897, p. 198. Black River (Platteville) : Beloit, Wisconsin; ?Lake Winnipeg, Canada. Plesiotype.—C&t. No. 46031, U.S.N.M. Trochonema (Eunema) nitidum Ulrich. Trochonema (Eunema) nitidum Ulrich, Geol. Minnesota, 3, 1897, p. 1053, pi. 77, figs. 44, 45.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 670, figs. 928c, d. Eden (Southgate): Cincinnati, Ohio, and vicinity. Holotype.—Ca,t. No. 46032, U.S.N.M. TROCHONEMA NOTABILE Miller. See Lophospira(?) notabilis. Trochonema (Eunema) obsoletum Ulrich. Trochonema (Eunema) obsoletum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1054, pi. 76, figs. 6-8. Trenton (Flanagan): NearBurgin, Kentucky. Holotype.—C&t. No. 46033, U.S.N.M. Trochonema ovoides Grabau. Trochonema ovoides Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 193, pi. 23, figs. 3, 4, 12, 13. Upper Monroan: Detroit River opposite Amherstburg, Ontario (Amherstburg) ; Salt shaft, Detroit, Michigan (Lucas). Trochonema pauper (Hall). Pleurotomaria pauper Hall, 20th Rep. New York State Cab. Hist., 1868, p. 343 (extras, 1865).— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, p. 456, pi. 12, figs. 5, 6. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1303 Trochonema pauper — Continued. Trochonema (Pleurotomaria) pauper Hall, 20th Hep. New York State Cab. Hist., 1868, p. 365, pi. 15(6), figs. 5, 6, 9; p. 387.— Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 63. Trochonema (Cyclonema?) pauper Hall, 20th Rep. New York State Mua., Nat. Hist., rev. ed., 1870, p. 395, pi. 15, figs. 5, 6, 9; pi. 25, fig. 13. Niagaran: Racine, Wisconsin (Racine) ; Huntington, Indiana. Plesiotype.—CB.t. No. 52957, U.S.N.M. (Kindle and Breger). Trochonoma pauper ohioense Hall and Whitfield. Trochonema pauper ohioensis Hall and Whitfield, Pal. Ohio, 2, 1875, p. 143, pi. 8, fig. 4.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1230, fig. Niagaran (Guelph): Greenfield, Ohio. TROCHONEMA (GYRONEMA) PULCHELLUM Grabau and Shimer. See Gyronema pul- chellum. Trochonema rectangulare (Raymond). Lophospira rectangularis Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 377. Trochonema rectangulare Raymond, Ann. Carnegie Mus., 4, 1908, p. 206, pi. 53, figs. 11, 12. Chazyan (Day Point): Valcour Island, New York. Trochonema retrorsum Ulrich and Scofield. Trochonema retroraum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1051, pi. 77, figs. 35-38. Black River (Decorah): Goodhue County, Minnesota. Holotype.—C&t. No. 46034, U.S.N.M. Trochonema (Eunema) robbinst Ulrich and Scofield. Trochonema (Eunema) robbinsi Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1053, pi. 76, figs. 11-15.— Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 167. Trenton: Wykoff, Minnesota (Prosser); Bafiin Land. Cotype.— Cat. No. 46035, U.S.N.M. Trochonema rugosum Ulrich and Scofield. Trochonema rugosum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1049, pi. 77, figs. 19-22. Black River (Platteville) : Minneapolis, etc., Minnesota; Beloit, Wisconsin. Cofypes.— Cat. No. 46036, U.S.N.M. Trochonema (Eunema) salteri Ulrich and Scofield. Trochonema (Eunema) salteri Ulrich and Scofield, Geol. Minnesota, 3 pt. 2, 1897, p. 1053, pi. 77, figs. 42-43. Trenton (Prosser): Goodhue County, Minnesota. Holotype.—Ca,t. No. 46037, U.S.N.M. Trochonema (Eunema) simile Ulrich and Scofield. Trochonema (Eunema) simile Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1053. Trenton (Prosser): Wykoff, Minnesota. Cotypes.-Vzt. No. 46038, U.S.N.M. Trochonema (Eunema) strigillatum (Salter). Eunema strigillata Salter, Geol. Surv. Canada, dec. 1, 1859, p. 29, pi. 6, fig. 4. — Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 145, fig. 88.— Zittel, Handb. Pal., 2, 1882, p. 189, fig. 235.— Whiteaves, Canadian Rec. Sci., 5, 1893, p. 323 (loc. cit.); Pal. Foss., Geol. Surv. Canada, pt. 3, 1897, p. 199. 1304 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Trochonema (Eunema) strigillatum — Continued. Trochonema (Eunema) strigillatum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1052 (gen. ref.). Black River: Pauquette's Rapids, Ottawa River (Leray), near Watertown, New York; (?)Lower Fort Garry, Manitoba. Trochonema subcrassum Ulrich and Scofield. Trochonema subcrassum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1051, pi. 77, figs. 30-34. Trenton: Mercer and Boyle Counties, Kentucky (Flanagan); near Cannon Falls, Minnesota (Prosser). Cotypes.— Cat. No. 46039, U.S.N.M, Trochonema tricarinatum Billings. Trochonema tricarinata Billings, Canadian Nat. Geol., 4, 1859, p. 356. Canadian (Romaine) : Mingan Islands, Canada. Trochonema (Eunema) trilineatum (Hall). Eunema? trilineata Hall, 20th Rep. New York State Cab. Hist., 1868, p. 346, pi. 15 (6), fig. 3; rev. ed., 1870, p. 397, pi. 15, fig.3. Niagaran (Racine): Racine, Wisconsin. Trochonema umbilicatum (Hall). Pleurotomaria umbilicata Hall, Pal. New York, 1, 1847, p. 43, pi. 10, figa. 9a-h; p. 175, pi. 38, figs, la-g.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 160, 161, pi. 5, figs. 4a, b.— Billings, Canadian Nat. Geol., 1, 1856, p. 42, figs. 4, 5.— Chapman, Canadian Jour., n. s., 7, 1862, p. 121, fig. 124; Expos. Min. Geol. Canada, 1864, p. 124, fig. 124.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 19, fig. 7e. Trochonema umbilicata Salter, Geol. Surv. Canada, Can. Org. Rem., dec. 1, 1859, p. 27, pi. 6, fig. 3.— Billings [in Hind, Narrative Canadian Red River Expl., Expd. of 1857 and Assinniboine and Saskatchewan Exped. of 1858, 2, 1860, p. 287; Geol. Canada, Geol. Surv. Canada, 1863, p. 145, text fig. 92; p. 180, text fig. 172; Cat. Sil. Foss., Anticosti, Geol. Surv. Canada, 1866, p. 17 (loc. ref.).— Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 314, pi. 3, figs. 5a, b.— Miller, N. A. Geol. Pal., 1889, p. 429, fig. 719.— Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1890, p. 1231, figs.— Whiteaves, Canadian Rec. Sci., 5, 1893, p. 323 (loc. occ.).— Keyes, Missouri Geol. Surv., 5, 1894, p. 155.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 124 (loc. occ.); ibid., pt. 3, 1897, p. 198.— Ulrich and Schofield, Geol. Minnesota, 3, pt. 2, 1897, p.1047, pi. 77, figs. 1-8.— Schuchert, Proc.U. S. Nat. Mus., 22, 1900, p. 167.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 35.— Grabau and Shi- mer, N. A. Index Fossils, 1, 1909, p. 669, fig. 926. Black River and Trenton: Watertown, Middleville, Trenton Falls, etc., New York; Canada; Kentucky; Tennessee; Illinois; Minnesota; Iowa; etc. Plesiotypes— Cat. Nos. 46040-46042, U.S.N.M. Trochonema umbilicatum canadense Ulrich. Trochonema umbilicatum var. canadensis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1048, pi. 77, figs. 4-6. Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. Holotype.—Cat. No. 46043, U.S.N.M. Trochonema umbilicatum latum Ulrich. Trochonema umbilicatum var. latum Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1048, pi. 77, figs. 7, 8. Stones River (Lebanon): Middle Tennessee. Holotype.—Cat. No. 46044, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1305 Trochonema vagrans Ulrich and Scofield. Trochonema vagrans Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 1049, pi. 77, fig. 46; pi. 78, figs. 10-13.— Grabau, Amer. Nat., 1902, p. 939, fig. 15.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 670, fig. 928a, b. Black River (Platteville) : Minneapolis, Minnesota. Cotype.—C&t: No. 46045, U.S.N.M. TROCHONEMOPSIS Meek. See Trochonema Salter. TROCHURUS Beyrich. See Staurocephalus Barrande. TROCHUS HELICITES Sowerby. See Platyschisma lielicites. Trochus huroniensis Castelnau. Not recognized. Trochus huroniensis Castelnau, Essai Syst. Sil. 1'Amerique Septent., 1843, p. 35. "Silurian": Ottawa River, Canada. TROCHUS LENTICULARIS Owen. See Liospira vitruvia. TROCHUS SARATOGENSIS Walcott. See Matherella saratogensis. TROOSTOCRINUS Shumard. Genotype: Pentremites reinwardti Troost. TroostocrinusShumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 384-, footnote. —Meek and Worthen, Geol. Surv. Illinois, 5, 1873, p. 507.— Hambach, Trans. Acad. Sci. St. Louis, 4, 1880, p. 153.— Etheridge and Carpenter, Ann. Mag. Nat. Hist. , 5thser.,9, 1882, p. 247.— Barris, Proc. Davenport Acad. Sci., 4, 1884, p. 93, footnote. — Wachsmuth, Proc. Davenport Acad. Sci., 4, 1884, p. 79. — Carpenter, Ann. Mag. Nat. Hist., 5th ser., 15, 1885, p. 290.— Etheridge and Carpenter, Cat. Blastoidea British Mus., 1886, p. 191.— Miller, N. A. Geol. Pal., 1899, p. 287.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 86, fig. 8; Rep. Mus. Assoc., 1900, p. 107.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 195.— Beede, 30th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1906, p. 1264.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 478.— Springer, Zittel- Eastman Textb. Pal., 2d ed., 1913, p. 170. Clavaeblastus Hambach, Trans. Acad. Sci. St. Louis, 13, 1903, p. 44. Troostocrinus? dubius Rowley. Troostocrinus? dubius Rowley, Amer. Geol., 34, 1904, p. 274, pi. 16, figs. 28, 29. Niagaran or Helderbergian: One mile and a half below Wittenberg, Missouri. Troostocrinus reinwardti (Troost). Pentremites reinwardtii Troost,' Trans. Geol. Soc. Pennsylvania, 1, 1835, p. 224, pi. 10, figs. 9-12; 5th Geol. Rep. Tennessee, 1840, p. 55; 6th Rep., ibid., 1841, p. 14.— Yandell and Shumard, Contr. Geol. Kentucky, 1847, p. 6.— Yandell, Proc. Amer. Assoc. Adv. Sci., 5, 1851, p. 232. — Dujardin and Hupe, Hist. Nat. Zooph. Ech., 1862, p. 99.— Meek, Amer. Jour. Sci., 3d ser., 7, 1874, p. 376. Pentatrematites Reinwardtii Roemer, Archiv. f. Naturges., 17, 1, 1851, p. 372, pi. 6, figs. 13a-c.— Bronn, Klassen und Ordn. Thier-Reichs, 2, 1860, pi. 23, fig. 4a, b.— Roemer, Mon. Fossil. Grin., 1852, p. 52, pi. 3, fig. 12a-c; Sil. Fauna d. West. Tennessee, Breslau, 1860, p. 60, pi. 3, figs. 2a-c; Leth. geog., 1, Leth. Pal., Atlas, 1876, pi. 11, fig. 15. Pentremites (Troostocrinus) Reinwardtii Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, pp. 384-385. Troostocrinus Reinwardtii Etheridge' and Carpenter, Ann. Mag. Nat. Hist., 5th ser., 9, 1882, p. 248; Cat. Blastoidea British Mus., 1886, p. 193, fig. 7; p. 194, pi. 12, figs. 11, 12; pi. 17, fig. 17.— Bather, Treatise on Zool., pt. 3, Echino- derma, London, 1900, p. 87, fig. 8.— Wood, Bull., U. S. Nat. Mus., 64, 1909, p. 17, pi. 3, figs. 2-4.— Grabau and Shinier, N. A. Index Fossils, 2, 1910, p. 478, fig. 1788. 1306 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Troostocrinus reinwardtl — Continued. Troostocrinus (Pentatrematites) reinwardti Foerste, Jour. Geol., 11, 1903, p. 712. Clavseblastus reinwardtii Hambach, Trans. Acad. Sci. St. Louis, 13, 1903, p. 44. Niagaran: Decatur, Wayne, and Perry Counties, Tennessee (Brownsport); Louis- ville, Kentucky (Louisville). Plesiotype.—C&t. No. 33071, U.S.N.M. Troostocrinus subcyllndricus (Hall and Whitfield). Pentremites subcylindrica Hall and Whitfield, Geol. Surv. Ohio Pal., 2, 1875, p. 129, pi. 6, fig. 13.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 622, fig. Troostocrinus subcylindrica (Hall) Etheridge and Carpenter, Ann. Mag. Nat. Hist., 5th ser. 9, p. 249 (gen. ref.). Metablastus? subcylindrica Etheridge and Carpenter, Cat. Blastoidea, 1886, p. 198. Niagaran (Guelph): Yellow Springs, Ohio. TROPIDODISCUS Meek. See Oxydiscus Koken. TRYBLIDIUM Lindstrom. Genotype: T. unguis Lindstrom. Tryblidium Lindstrom, Fraginenta Silurica, 1880, p. 15; Kongl. Sven. Vet.-Akad. Handl., 19, 1881, No. 6, p. 52.— Zittel, Handb. Pal., 2, 1882, p. 176.— Whit- eaves, Pal. Foss., 3, pt. 1, 1884, p. 30.— Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 303.— Miller, N. A. Geol. Pal., 1889, p. 429.— Koken, Die Leitfossilien, Leipzig, 1896, p. 95, figs. 73A-C; Bull. Acad. Imp. Sci. St. Petersburg, 7, 1897, p. 113.— Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, pp. 821-824.— Berkey, Amer. Geol., 21, 1898, pp. 279-280.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 442.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 935.— Dall, Zittel-Eastman Pal., 2d ed., 1913, p. 521. Triblidium Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 603. Tryblidium? acutum Whitfield. Tryblidium? acutum Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 45, pi. 7, figs. 9-11.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1234, fig. Canadian (Beekmantown) : Near Beekmantown, New York. Tryblidium barabuensis (Whitfield^. Metoptoma Barabuensis Whitfield, Ann. Rep. for 1877, Wisconsin Geol. Surv., 1878, p. 60; Geol. Wisconsin, 4, 1882, p. 195, pi. 3, figs. 16, 17.— Chamberlin, Geol. Wisconsin, 1883, 1, p. 142, fig.— Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 97. Tryblidium barabuensis Berkey, Amer. Geol., 21, 1898, p. 281, pi. 20, figs. 18, 19; also p. 291.— Sardeson, Jour. Geol., 11, 1903, p. 479, fig. 2. Triblidium barabuensis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 604, figs. 802e, f. Ozarkian (Mendota): East of Baraboo, Wisconsin. TRYBLIDIUM CANADENSE Whiteaves. See Archinacella canadensis. TRYBLIDIUM CONICUM Whitfield. See Scenella cassinensis. Tryblidium cornutaforme (Walcott). Metoptoma cornutaforme Walcott, 32d Rep. New York State Mus. Nat. Hist., 1879, p. 129.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 402, figs. Triblidium cornutaforme Walcott, Smiths. Misc. Coll., 57, 1912, p. 263, pi. 41, figs. 12-14. Ozarkian or Upper Cambrian (Hoyt) : Four miles west Saratoga Springs, New York. Plesiotypes.— Cat. Nos. 58548-58550, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1307 Tryblidium erato (Billings). Metoptoma Erato Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 39 (adv. sheets, 1862); Geol. Canada, 1863, p. 145, fig. 145, fig. 95a, b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 402, figs. Tryblidium Erato Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 1, 1884, p. 31 (gen. ref.). Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. TRYBLIDIUM? ESTELLA Whiteaves. See Archinacella estella. Tryblidium eubule (Billings). Metoptoma Eubule Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 38 (adv.- sheets, 1862 ). Tryblidium Eubule Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 1, 1884, p. 31 (gen. ref.). — Raymond, Ann. Carnegie Mus., 4, 1908, p. 217. Chazy or Black River?: Phillipsburg, Quebec. TRYBLIDIUM EXSERTUM Sardeson. See Stenotheca exserta. Tryblidium hyrie (Billings). Metoptoma Hyrie Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 87, fig. 79 (adv. sheets, 1862). Tryblidium Hyrie Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, f>t. 1, 1894, p. 31 (gen. ref.). Ozarkian? (Levis — erratics): Point Levis, Quebec. TRYBLIDIUM INDIANENSE Miller. See Archinacella indianense. TRYBLIDIUM? INSTABILIS Whiteaves. See Archinacella instabilis. TRYBLIDIUM MADISONENSE Miller. See Cyrtocerina madisonensis. Tryblidium modestum Ulrich and Scofield. Tryblidium modestum Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 826, pi. 82, figs. 1 and 2. Black River (Decorah) : Near Cannon Falls, Minnesota. Tryblidium niobe (Billings). Metoptoma Niobe Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 37, figs. 38a, b (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 276, fig. 281a, b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 402, 2 figs. Triblidium Niobe Whiteaves, Pal. Foss., Geol. Surv. Canada, pt; 1, 1884, p. 31 (gen. ref.). Canadian (Beekmantown) : Phillipsburg, Quebec. Tryblidium nycteis (Billings). Metoptoma Nycteis Billings, Pal. Foss., Geol. Surv. Canada, 1865, p. 38, figs. 39a, b (adv. sheets, 1862). Tryblidium Nycteis Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 31 (gen. ref.).— Miller, N. A. Geol., Pal., 1889, p. 429, fig. 720.— Sardeson, Jour. Geol., 11, 1903, p. 479, fig. 4. Triblidium nycteis Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 604, fig. 803. Canadian (Romaine): Mingan Islands, Canada. Tryblidium ovale Whitfield. Triblidium ovale Whitfield, Bull. Amer. Mus. Nat. Hist., 1886, p. 305, pi. 24, figs. 28-29.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1235, fig.— Seely, Vermont State Geol., Rep. 7, 1910, pi. 62, figs. 28, 29, Canadian (Beekmantown): Fort Cassin, Vermont. 84243°— Bull. 92— vol 2—15 38 1308 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Tryblidlum oratum Whitfield. Tryblidium ovatum Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 305, pi. 24, figs. 23-25. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1235, fig.— Seely, Vermont State Geol., Rep. 7, 1910, pi. 62, figs. 23-25. Canadian (Beekmantown): Fort Cassin, Vermont. Tryblidium patulum Cleland. Tryblidium patulum Cleland, Bull. Amer. Pal., 4, 1903, p. 15, pi. 3, figs. 15, 16. Ozarkian (Little Falls): Little Falls, New York. TRYBLIDIUM PILEOLIUM Lesley. See Archinacella pileolum. Tryblidium repertum (Sardeson.) Tryblidium repertum Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 102, pi. 5, figs. 21, 22. Canadian (Shakopee): Near Argyle, Wisconsin. Tryblidium retrorsum (Whitfield). Metoptoma retrorsa Whitfield, Ann. Rep. for 1879, Wisconsin Geol. Surv., 1880, p. 54; Geol. Wisconsin, 4, 1882, p. 197, pi. 3, fig. 18.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 142, fig. Tryblidium tetrorsum Sardeson, Jour. Geol., 11, 1903, p. 479, fig. 5. Ozarkian (Mendota): Near Baraboo, Wisconsin. TRYBLIDIUM SIMILE Sardeson. See Archinacella similis. TRYBLIDIUM SIMPLEX Whiteaves. See Archinacella simplex. TRYBLIDIUM TRENTONENSIS Whiteaves. See Archinacella trentonensis. TRYBUDIUM VALIDUM Sardeson. See Archinacella valida. Tuberculopora Ringueberg. Genotype: T. inflata Ringueberg. Tuberculopora Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 21. Observation. — Not recognizable without a restudy of the types. Possibly a pathological specimen of crinoid column. Tuberculopora inflata Ringueberg. Tuberculopora inflata Ringueberg, Bull. Buffalo Soc. Nat. Sci., 5, 1886, p. 21, pi. 2, fig. 18. Clinton (Rochester): Lockport, New York. TUBIPORA CATENULARIA Linnaeus. See Halysites catenularia. TUBIPORA CATENULATUS Gmelin. See Halysites catenularia. Tubipora lamellosa Owen. Not recognized. Tubipora lamellosa Owen, Geol. Expl. Iowa, Wisconsin, Illinois, 2d ed., 1844, p. 78, pi. 14, fig. 13. Niagaran: Iowa and Wisconsin. TUN ARIA Hoek. Genotype: T. cochabambina Hoek. Tunaria Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 247. Tunaria cochabambina Hoek. Tunaria cochabambina Hoek, Neues Jahrb. Min., Geol., Pal., 34, 1912, p. 247, pi. 8; fig. 9. Ordovician: Cochabamba, Bolivia. TURBINICRINITES VERNEUiLi Troost. See Melocrinus roemeri. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1309 TURBINOLIA MITRATA Eaton. See Streptelasma corniculum. TURBINOLIA PYRAMIDALIS Hisinger. See Goniophyllum pyramidale. TURBINOLIA TURBINATA PYRAMIDALE Hisinger. See Goniophyllum pyramidale. TURBO AMERICANUS D'Orbigny. See Holopea paludiniformis. TURBO BILIX D'Orbigny. See Cyclonema bilix. TURBO DILUCULA Hall. See Holopea dilucula. TURBO OBLIQUUS Emmoiis. See Holopea obliqua. TURBO? OBSCURA Hall. See Holopea obscura. TURBO? PARVULUS Hall. See Cyclora parvula. TURBO SYMMETRICUS Emmons. See Holopea symmetrica. TURBO TENNESSEENSIS Roemer. See Strophostylus tennesseense. TURBO VENTRICOSUS Emmons. See Holopea ventricosa. TURRILEPAS Woodward. Genotype: Chiton wrightianus Dekoninck. Turrilepas Woodward, Quart. Jour. Geol. Soc. London, 21, 1865, p. 489. — Salter, Cat. Camb. Sil. Fossils, 1873, p. 129.— Etheridge, Proc. Royal Phys. Soc. Edinburgh, 4, 1878, p. 164.— Nicholson and Etheridge, Mon. Sil. Foss. Gir- van Dist., 1880, pp. 213, 299.— Hall and Clarke, Pal. New York, 7, 1888, p. 63.— Miller, N. A. Geol. Pal., 1889, p. 569.— Vogdes, Annals New York Acad. Set, 5, 1889, p. 36.— Clarke, Zittel-Eastman Textb. Pal., 1, 1900, p. 649; 2d ed., 1913, p. 744. Turrilepas cauadensis Woodward. Turrilepas canadensis Woodward, London Geo. Mag., 3d dec., 6, 1889, p. 274. Trenton (Colling wood): Ottawa, Ontario. Turrilepas(?) fllosus Ruedemann. Turrilepas(?) filosus Ruedemann, Bull. New York State Mus., 42, 1901, p. 577, pi. 2, figs. 13-15. Trenton (Snake Hill): Mechanicsville, Saratoga County, New York. Turrilepas gracilissimus (Ringueberg). Plumulites gracilissimus Ringueberg, Proc. Acad. Nat. Sci. Philadelphia, 1888, p. 136, pi. 7, fig. 8.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 723, figs. Turrilej>as gracillimus Miller, N. A. Geol. Pal., 1889, p. 569 (gen. ref.). Clinton (Rochester): Lockport, New York. Turrilepas ottawaensis Ami, Turrilepis Ottawaensis Ami, Geol. Surv. Canada, Ann. Rep., n. e., 12, App. G., 1901, p. 67(nom. mid.). Trenton: Governor's Bay, Ottawa, Canada. • TURRITOMA Ulrich. Genotype: Murchisonia acrea Billings. Turritoma Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (Turritospira in error on p. 1013).— Koken, Neues Jahrb. Min., Geol., Pal., 1898, 1, p. 20.— Donald, Quart. Jour. Geol. Soc. London, 58, 1902, p. 330. 1310 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Turritoma acrea (Billings). Murchisonia acrea Billings, Pal. Foss., 1, Geol. Surv. Canada, 3865, p. 232, fig. 216. Turritoma acrea Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (gen. ref.). Canadian (Quebec — G): Port aux Choix, Newfoundland. Turritoina ada (Billings). Murchisonia Ada Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 346, fig. 333. Turritoma ada Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (gen. ref). Canadian (Beckmantown) : Leeds and Grenville Counties, Canada. Turritoma boylci (Nicholson). Murchisonia Boylei Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 71, pi. 3, fig. 1.— Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 81.— Nicholson, Quart. Jour. Geol. Soc. London, 31, 1875, p. 547, pi. 26, fig. 1. Turritoma boylei Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (gen. ref.). Hormotoma? Boylei Donald, Quart. Jour. Geol. Soc. London, 55, 1899, p. 263 (gen. ref.). . Niagaran (Guelph) : Elora, Ontario. Turritoma constricta (Whiteaves). Murchisonia constricta Whiteaves, Pal. Foss., Geol. Surv. Canada, 3, pt. 1, 1884, p. 25, pi. 4, fig. 4; pt. 2, 1895, p. 82 (loc. occ.). Turritoma constricta Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (gen. ref.). Niagaran (Guelph): Durham, Ontario. Turritoma laphami (Hall). Murchisonia laphami Hall, Rep. Sup. Geol. Surv. Wisconsin, 1, 1861, p. 36; 20th Rep. New York State Cab. Nat. Hist., 1868, p. 366, pi. 16 (6), fig. 20; rev. ed., 1870, p. 396, pi. 15, fig. 20. Turritoma laphami Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 959 (gen. ref.). Murchisonia (Turritoma) laphami Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 461, pi. 13, fig. 7. Niagaran: Racine, Wisconsin (Racine); Huntington, Indiana. Plesiotype.—Cat. No. 52942, U.S.N.M. TURRITOSPIRA Ulrich. See Turritoma Ulrich. TYLOPTERUS Clarke and Ruedemann. See Eurypterus subgentis Tylopterus. TTRRELLIA Parks. Genotype: T. severnensis Parks. Tyrrellia Parks in Tyrrell, 22d Rep. Ontario Bur. Mines, 1913, p. 35. Tyrrellia severnensis Parks. Tyrrellia severnensis Parks in Tyrrell, 22d Rep. Ontario Bur. Mines, 1913, p. 35. Niagaran (Guelph): Severn River, Ontario. ULRICHIA Jones. Genotype: U. conradi Jones. Ulrichia Jones, Quart. Jour. Geol. Soc. London, 46, 1890, p. 543; 49, 1893, p. 293.— Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1891, p. 203.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 711.— Bonnema, Mitt. Min. Geol. Inst. Groningen, 2, 1909, p. 51.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 346. Ulrichia biyertex (Ulrich). Leperditia bivertex Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 11, pi. 7, figs. 5, 5a. BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 1311 Ulrichia bivertex — Continued. Ulricha? bivertex Ruedemann, Bull. New York State Mus., 162, 1912, p. 120, pi. 9, figs. 11, 12. Trenton: Covington, Kentucky, and vicinity; Canajoharie, New York. Holotype.—Czt. No. 41365, U.S.N.M. Ulrichia nodosa (Ulrich). Primitia nodosa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1890, p. 134, pi. 10, figs. lla-12b. Ulrichia nodosa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1891, p. 203 (gen. ref .).— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 346, fig. 1658o, o'. Eden- Richmond: Cincinnati, Ohio, and vicinity. Cotypes.—C&t. Nos. 41552, 41553, U.S.N.M. UNCINULINA Bayle. See Wilsonia Kayser. UNCINULUS Bayle. Genotype: Rhynchonella subwilsoni D'Orbigny. Uncinulus Bayle, Explic. de la Carte Geolog. France, 4, 1878, Atlas, pi. 11, figs. 17-200.— Waagen, Pal. Indica, 13th ser., 1, 1883, p. 424.— (Ehlert, Fischer's Man. Conch., 1887, p. 1306.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, % p. 195; 13th Ann. Rep. New York State Geol., 1895, p. 828.— Schuchert, Zittel-Eastman Textb. Pal., 1, 1900, p. 324; 2d ed., 1913, p. 397.— Williams, Bull. U. S. Geol. Surv., 165, 1900, p. 60.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 290. Uncinulus convexorus Maynard. Uncinulus convexorus Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 368, pi. 65, figs. 9-14. Helderbergian (Keyser): Tonoloway, Cash Valley, Cumberland, etc., Maryland; near Cherry Run and Keyser, West Virginia; Hyndman, Pennsylvania. Uncinulus gordoni Maynard. Unsinulusgordpni Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 367, pi. 65, figs. 1-6. Helderbergian (Keyser): Cash Valley, Maryland. Uncinulus keyserensis Schuchert and Maynard. Uncinuhis keyserensis Schuchert and Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 368, pi. 65, figs. 7, 8. Helderbergian (Keyser): Cumberland, Tonoloway, etc., Maryland; Keyser, West Virginia. Uncinulus nucleolatus (Hall). Rhynchonella nucleolata Hall (part), 10th Ann. Rep. New York State Cab. Nat. Hist., 1857, p. 68; Pal. New York, 3, 1859, p. 227, pi. 31, figs. 2f-2y (not figs. la-lc=U. globulus; Id, f, and 2a-e=?U. globulous). Uncinulus nucleolata Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 199. Uncinulus nucleolatus Schuchert and Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 365, pi. 64, figs. 16, 17. Helderbergian: New York (New Scotland); Keyser, West Virginia (Keyser). Uncinulus nucleolatus angulatus Maynard. Uncinulus nucleolatus var. angulatus Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 366, pi. 64, figs. 18-20. Helderbergian? (Keyser?): Cumberland, Maryland. 1312 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Unclnulus septentrionalis Holtedahl. Uncinulus septentrionalis Holtedahl, 2d Arct. Exp. " Fram," 1898-1902, No. 32, 1914, p. 22, pi. 8, fig. 3. Helderbergian (Lower beds) : Seal Bay, Southwest Ellesmereland, Arctic America. Uncinulus Strickland! (Sowerby). Terebratula stricklandi Sowerby, Murcliison's Sil. Syst., 1839, pi. 13, fig. 19. Rhynchonella tennesseensis Hall (not Roemer), Trans. Albany Institute, 4, 1860, p. 228; 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1876, pi. 26, figs. 34-40.— White, 2d Ann. Rep. Indiana Bu. Statis. Geol., 1880, p. 496, pi. 3, figs. 2-4', 10th Rep. State Geol. Indiana, 1881, p. 128, pi. 3, figs. 2-4. Rhynchonella etricklandi Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed., 1879, p. 165, pi. 26, figs. 34-40; llth Rep. State Geol. Indiana, 1882, p. 308, pi. 26, figs. 34-40.— Nettelroth, Kentucky Fossil Shells, Mem. Ken- tucky Geol. Surv., 1889, p. 81, pi. 27, figs. 9-11; pi. 29, figs. 3-6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 901, figs. Uncinulus (Uncinulina) stricklandi Hall and Clajke, Pal. New York, 8, pt. 2, 1895, pi. 58, figs. 38-40. Uncinulus stricklandi Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 290, fig. 358. Silurian: Europe; Waldron and St. Paul, Indiana; Newsom, Tennessee (Waldrom and Laurel); Louisville, Kentucky (Louisville); West Tennessee (Browns- port). Plesiotype.— Cat. No. 51356, U.S.N.M. (Nettelroth). Uncinulus tennesseensis (Roemer). Rhynchonella tennesseensis Roemer, Die Sil. Fauna West. Tennessee, 1860, p. 72, pi. 5, fig. 14.— Hall and Whitfield, 27th Rep. New York State Cab. Nat. Hist., 1875, pi. 9, figs. 24-26; Pal. Ohio, 2, 1875, p. 136, pi. 7, figs. 16, 17.— Hall, Trans. Albany lust., 4, 1863, p. 228 (loc. occ.).— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1889, p. 902, figs. Niagaran: Perry fc Wayne, and Decatur Counties, Tennessee (Brownsport); Louis- ville, Kentucky (Louisville); Yellow Springs, Ohio. UNIO ORTHONOTUS Conrad. See Modiolopsis orthonota. UNIO PRIMIGENIUS Conrad. See Modiolopsis primigenia. URASTERELLA Sturtz (part). See Stenaster Billings. URASTERELLA McCoy. Genotype: Uraster ruthveni Forbes. Urasterella McCoy, British Pal. Rocks Foss., 1854, p. 59.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1866, p. 289; rev. ed., 1870, p. 332.— McCoy, Geol. Surv. Victoria, dec. 1, 1874, p. 42.— Zittel, Handb. Pal., 1, 1879, p. 453.— Nicholson and Etheridge, Mon. Sil. Foss. Girvan Dist., 1880, p. 323.— Sturtz, Neues Jahrb. Min. Geol., Pal., 2, 1886, p. 152; Palaeontographica, 36, 1890, p. 219; Verh. naturh. Ver. preuss. Rheinl., etc., 1893, pp. 40, 56.— Gregory, Geol. Mag., dec. 4, 6, 1899, p. 352.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 173. Stenaster Billings (part), Geol. Surv. Canada, Can. Org. Rem., dec. 3, 1858, p. 77.— Sturtz, Verh. naturh. Ver. preuss. Rheinl., etc., 50, 1893, pp. 40, 56. Rremeraster Sturtz, Palseontographica, 32, 1886, p. 85; ibid., 36, 1890, p. 220; Verh. naturh. Ver. preuss. Rheinl., etc., 50, 1893, pp. 52, 73. (Genotype: Asterlas asperula Roemer.) BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1313 URASTERELLA— Continued. Protasteracanthion Sturtz, Palaeontographica, 32, 1886, p. 90; Verh. naturh. Ver. preuss Rheinl., etc., 50, 1893, pp. 54, 75. (Genotype: P. primus Sturtz = Asterias asperula Roemer.) Salteraster Sturtz, Verh. naturh. Ver. preuss Rheinl., etc., 50, 1893, pp. 42, 60. (Genotype: Palaeaster asperrima Salter.) Urast'erella grandis (Meek). Stenaster grandis Meek, Amer. Jour. Sci., 3d ser., 3, 1872, p. 258.— Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 66, pi. 3, bis., figs. 7a-c.— Miller, N. A. Geol. Pal., 1889, p. 283, fig. 432.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1051, figs.— James, Jour. Cincinnati Soc. Nat. Hist., 18, 1895, p. 136. Urasterella grandis Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 67.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 731, pi. 3, figs. 6-6b.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 180, pi. 27, figs. 6-8; pi. 28, figs. 1, 2; pi. 30, figs. 1-4. Palaeaster harrisi Miller, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 117, pi. 10, figs. 2, 2a. Stenaster harrisi James, ibid., 18, 1895, p. 136. Richmond: Richmond, Indiana; Waynesville*0hio. Plesiotype.— Cat. No. 40887, U.S.N.M. (Holotype of P. harrisi). Urasterella huxleyi (Billings). Stenaster Huxleyi Billings, Pal. FOBS., 1, Geol. Surv. Canada, 1865, p. 213, fig. 197. Urasterella huxleyi Schuchert, in Freeh, FOBS. Cat., 1, Anim., pt. 3, 1914, p. 45; Bull. U. S. Nat. Mus., 88, 1915, p. 182, pi. 29, fig. 2. Chazyan (Quebec — I): Point Rich, Newfoundland. Urasterella pulchella (Billings). Palaeaster pulchellus Billings, Geol. Surv. Canada, Rep. Progr. for 1853-56, 1857, p. 292. Urasterella (Stenaster) pulchella Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 289; rev. ed., 1870, p. 332. Urasterella pulchella Raymond, Ottawa Nat., 26, 1912, p. 106, fig. 1.— Schuchert, Bull. U. S. Nat. Mus., 88, 1915, p. 178, pi. 28, figs. 3, 4; pi. 30, fig. 5. Stenaster pulchellus Billings, Geol. Surv. Canada, dec. 3, 1858, p. 79, pi. 10, fig. 2. — Chapman, Canadian Jour., n. s., 6, 1861, p. 517. — Wright, Mon. British Foss. Echinod., Oolitic, 2, pt. 1 (Pal. Soc. for 1861), 1862, p. 28. Trenton: Ottawa, Ontario; Trenton Falls, Middleville, etc., New York. Urasterella ulrichi Schuchert. Urasterella ulrichi Schuchert, in Freeh, Foss. Cat., 1, Anim., pt. 3, 1914, p. 46 (nom. nud.); Bull. U. S. Nat. Mus., 88, 1915, p. 183, pi. 29, fig. 1; pi. 30, figs. 6, 7. Black River (Platteville): Minneapolis, Minnesota. VAGINOCERAS Hyatt. Genotype: Orthoceras multitubulatum Hall. Vaginoceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 266. — Ruedemann, Bull. New York State Mus., 90, 1906, p. 412.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 41. Vaginoceras longissimum (Hall). Endoceras longissimum Hall, Pal. New York, 1, 1847, p. 59, pi. 18, figs. 1, la.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 152.— Barrande, Syst. Sil. du Centre Boheme, 2, pt. 3, 1874, p. 755, pi. 236.— Nicholson, Rep. Pal. Prov. Ontario, pt. 2, 1875, p. 20, fig. 8.— Zittel, Handb. Pal., 2, Munich, 1884, p. 362 fig. 497.— Miller, N. A. Geol. Pal., 1889, j). 436, fig. 734. 1314 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Vaginoceras longissimum — Continued. Orthoccras (Endoceras) longissimum Roemer, Leth. geog., 1, Leth Pal., 1876, Atlas, pi. 6, fig. 3a. Vaginoceras longissimum Clarke and Ruedemann, Bull. New York State Mus., 65, 1903, p. 658 (gen. ref.). Black River (Watertown): Watertown, New York. Vaginoceras multitubulatum (Hall). Endoceras multitubulatum Hall, Pal. New York, 1, 1847, p. 59, pi. 18, figs. 2a, b.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 152.— Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1881, p. 25, fig. 2.— Walcott, Mono. U. S. Geol. Surv., 8, 1884, p. 87, figs. 1, 2. Vaginoceras multitubulatum Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 778 (gen. ref.). Black River (Watertown): Watertown, New York. Vaginoceras oppletum Ruedemann. Vaginoceras oppletum Ruedemann, Bull. New York State Mus., 90, 1906, p. 413, pi. 4, figs. 2, 3; pi. 5, figs. ^-4; pi. 6, fig. 1; pi. 9, figs. 1-3, fig. 4.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 41, fig. 1236, 1237. Chazyan (Day Point, Valcour): Isle La Motte, Vermont; Valcour Island, etc., New York. VALCOUREA Raymond. See Dinorthis subgenus Valcourea. VALLATOTHECA Foerste. Genotype: V. manitoulini Foerste. Vallatotheca Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 482. Vallatotheca manitoulini Foerste. Vallatotheca manitoulini Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 482, pi. 4, fig. 4. Richmond: Cape Smyth, Manitoulin Island, Lake Huron. Vallatotheca unguiformis (Ulrich). Stenotheca unguiformis Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 843, pi. 61, figs. 42-44. Triblidium unguiforme Miller, N. A. Geol. Pal., 2d App., 1897, p. 771 (gen. ref.). Vallatotheca unguiformis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 482 (gen. ref.). Trenton (Flanagan): Between Burgin and Danville, Kentucky. Holotype— Cat. No. 45998, U.S.N.M. VANUXEMIA Billings. Genotype: V. inconstans Billings. Vanuxemia Billings, Canadian Nat. Geol., 3, 1858, p. 438; Canadian Jour., n. s., 6, * 1861, p. 2o6.— Miller, N. A. Geol. Pal., 1889, p. 515.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 549.— Dall, Zittel-Eastman Textb. Pal., 1, 1900, p. 365; 2d ed., 1913, p. 442.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 412. Vanuxemia abrupta Ulrich. Vanuxemia abrupta Ulrich, Geol. .Minnesota, 3, pt. 2, 1894, p. 560, pi. 3, figs. 39-44.— Schuchcrt, Proc. U. S. Nat. Mus., 22, 1900, p. 163. Trenton: Fillmore and Goodhue Counties, Minnesota (Prosser); Baffin Land. Cotypes.—Czt. Nos. 46316, 46317, U.S.N.M. Vanuxemia acutumbona (Billings). Cyrtodonta acutumbona Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Can- ada, 1866, p. 49. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1315 Vanuxcmia acutumbona — Continued. •Whitclla? acutumbona Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 565 (gen. ref.). Cypricardites acutumbona Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). Gamachian (Ellis Bay): One mile south Junction Cliff, Anticosti. Vanuxemia baffiiiensis Schuchert. Vanuxemia baffiiiensis Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 163, pi. 13, figs. 20-28. Mohawkian: Head of Frobisher Bay, Baffin Land. Cotypes— Cat. No. 28160, U.S.N.M. Vanuxemia bayfleldi Billings. Vanuxemia Bayfieldii Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1857, p. 187, fig. 17; Canadian Nnt. Geol., 3, 1858, p. 439, fig. 17; Canadian Jour., n. s., 6, p. 256, fig. 128.— Miller, N. A. Geol. Pal., p. 515, fig. 934. Richmond: Bayfield Sound, Lake Huron. Vauuxemia cardinata Ulrich. Vanuxemia cardinata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 559. Trenton (Curdsville): Mercer County, Kentucky. Cotypes— G^t. Nos. 46318, 46319, U.S.N.M. Vanuxemia crassa Ulrich. Vanuxemia crassa Ulrich, Geol. Minnesota, 3, pt. 2/1894, p. 553, pi. 38, fig. 27. Black River (Decorah): St. Paul, Minnesota. Holotype—C&t. No. 46320, U.S.N.M. Vanuxemia decipiens Ulrich. Vanuxemia decipiens Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 562, pi. 39, figs. 1-5. Black River (Platteville): Minneapolis, Minnesota. Cotype.— Cat. No. 46321, U.S.N.M. Vanuxemia dixonensis Meek and Worthen. Vanuxemia dixonensis Meek and Worthen, Proc. Chicago Acad. Sci., 1866, 1, p. 16; Geol. Surv. Illinois, 3, 1868, p. 297, pi. 1, fig. 5a, b.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 550, pi. -38, figs. 1-5.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 414, fig. 535a-c. Black River (Platteville): Dixon, Illinois; Janesville, etc., Wisconsin; Minne- apolis, St. Paul, and Cannon Falls, Minnesota. Plesiotypes.—C&t. No. 46322, U.S.N.M. •> Vanuxemia dixonensis insueta Ulrich. Vanuxemia dixonensis var. insueta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 551, pi. 38, figs. 6, 7. Black River (Platteville): Minneapolis, Minnesota. Holotype.—Gsit. No. 46323, U.S.N.M. Vanuxemia fragosa (Sardeson). Cypricardites (Vanuxemia) fragosus Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 70, pi. 2, figs. 1-3. St. Peter: Highland Park and South St. Paul, Minnesota. Vanuxemia gibbosa Ulrich. Vanuxemia gibbosa Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 559. Trenton (Curdsville): Mercer County, Kentucky. 1316 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Vanuxemia hayniana (Safford). Cyrtodonta hayniana Safford, Geol. Tennessee, 1869, pi. 2 (F), fig. la-e. Cypricardites haynianus Ulrich, 19th Ann. Rep. Geol. and Nat. Hist. Sur. Min- nesota, 1892, p. 240, fig. 25. Cypricardites triangularis Sardeson, Bull. Minn. Acad. Nat. Sci., 3, 1892, p. 338, pi. 6, fig. 23. Vanuxemia hayniana Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 557, pi. 38, fig. 32; fig. 36-iv, p. 479; pi. 60, figs. 20-21.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 414, fig. 535k. Trenton: Central Tennessee (Catheys); Danville, etc., Kentucky (Flanagan); St. Paul, etc., Minnesota (Prosser). Cotypcs and plesiotypes.—Cat. Nos. 46324, 46326, U.S.N.M. Vanuxemia iiiconstans Billings. Vanuxemia inconstans Billings, Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 186, figs. 15, 16; Canadian Nat. Geol., 3, 1858, p. 438, figs. 15, 16. Black River (Leray): Fourth Chute of the Bonnechere, La Petite Chaudiere Rapids and valley of the Ottawa, Canada. Vanuxemia limbata (Raymond). Ctenodonta limbata Raymond, Amer. Jour. Sci., 20, 1905, p. 371. Chazyan (Crown Point): Sloop Bay, Valcour Island, New York. Vanuxemia media Ulrich. • Vanuxemia media Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 553, pi. 38, figs. 23-26. Black River (Platteville) : Minneapolis and Cannon Falls, Minnesota. Nos. 46327, 46328, U.S.N.M. Vanuxemia montrealensis Billings. Vanuxemia Montrealensis Billings, Canadian Nat. Geol., 4, 1859, p. 447, figs. 25, 26; Geol. Canada, Geol. Surv. Canada, 1863, p, 131, fig. 61a, b.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1247, 2 figs, only.— Whiteaves, Ottawa Nat., 22, 1908, p. 107. Chazyan (Lower and Upper): Island of Montreal and near L'Original, Canada. Vanuxemia nana (Ulrich). Cypricardites nanus Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 239, fig. 24. Vanuxemia nanus Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 558 (gen. ref.). Trenton (Flanagan): One mile south of Burgin, Kentucky. Cofypes.— Cat. No. 46329, U.S.N.M. « Aranrfxemia niota (Hall). Cypricardites niota Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 29; Geol. Wisconsin, 1, 1862, p. 38, fig. 8; p. 438.— Whitfield, ibid., 4, 1882, p. 208, pi. 5, fig. 10.— Chamberlin, ibid., 1, 1883, p. 156.— Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 55, pi. 6, figs. 17-20. Vanuxemia niota Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 560, pi. 38, fig. 35. Black River (Platteville): Beloit and Mineral Point, Wisconsin; Rockton, Illinois. Vanuxemia obtusifrons (Ulrich). Cypricardites obtusifrons Ulrich, 19th Ann. Rep., Geol. and Nat. Hist. Surv. Minnesota (March), 1892, p. 233, figs. 18, 19. Cypricardites vicinus Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, (April), 1892, p. 339, pi. 6, fig. 22. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1317 Vanuxemia obtusifrons — Continued. Vanuxemia obtusifrons Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 554, pi. 38, figs. 15-19. Black River (Platteville) : Minneapolis, Minnesota. Holotype and pleswtypes.—C&t. Nos. 46330, 46331, U.S.N.M. Vanuxemia parvula Whiteaves. Vanuxemia parvula Whiteaves, Ottawa Nat., 22, 1908, p. Ill, pi. 3, figs. 11, 12. Black River (Lowville): Hog Back, Ottawa, Ontario. Vanuxemia rectirostris (Hall). Cypricardites rectirostra Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 29. — Whitfield, Mem. A-mer. Mus. Nat. Hist., 1, pt, 2, 1895, p. 55, pi. 6, figs. 21-25. Vanuxemia rectirostra Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 535 (gen. ref.). Black River (Platteville): Jarresville, Wisconsin. Vanuxemia rotundata (Hall). Cypricardites rotundata Hall, Rep. Supt. Geol. Surv. Wisconsin, 1861, p. 29; Geol. Rep. Wisconsin, 1, 1862, p. 38, fig. 7; p. 437.— Whitfield, ibid., 4, 1874, p. 208 (not pi. 5, fig. 11=V. suberecta Ulrich), Geol. Wisconsin, 4, 1882, p. 208, pi. 5, fig. 11.— Chamberlin, ibid., 1, 1883, p. 156.— Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 53, pi. 6, figs. 13-16. Vanuxemia rotundata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 552, pi. 38, figs. 8-14.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 414, fig. 535 j. Black River (Platteville): Beloit, Wisconsin; Minneapolis, Minnesota. Plesiotype.—Csit. No. 46332, U.S.N.M. (Ulrich). Vanuxemia sardesoni (Ulrich). Cypricardites sardesoni Ulrich, 19th Ann. Rep. Geol. and Nat. Hist. Surv. Minnesota, 1892, pp. 231, 232, figs. 16, 17. Vanuxemia sardesoni Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 555, pi. 37, figs. 17-19; pi. 38, fig. 45. Black River (Platteville): Minneapolis, Minnesota. Holotype.— C&t. No. 46333, U.S.N.M. Vanuxemia suberecta Ulrich. Cypricardites rotundatus (part) Whitfield, Rep. Geol. Surv. Wisconsin, 4, 1874, p. 208, pi. 5, fig. 11. Vanuxemia suberecta Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 553, pi. 38, figs. 20-22. Black River: Beloit, Wisconsin. Vanuxemia subrotunda Ulrich. Vanuxemia subrotunda Ulrich, Geol. Minnesota, 3, 1894, p. 559, pi. 38, figs. 36-38. Black River (Decorah): Goodhue County and Chatfield, Minnesota. % Cotypes.—C&t, No. 46334, U.S.N.M. Vanuxemia terminalis (Ulrich). Cypricardites terminalis Ulrich, Amer. Geol., 10, 1892, p. 98, pi. 7, figs. 8-10. Vanuxemia terminalis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 556, pi. 38, figs. 33 and 34.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 413, fig. 535 g-i. Black River (Platteville): Minneapolis and Cannon Falls, Minnesota; Beloit, Wisconsin. Cotype.— Cat. No. 46335, U.S.N.M. 1318 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. Vanuxemia umbonata Ulrich. Vanuxemia umbonata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 556, pi. 38, figs. 28-31.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 414, fig. 535d-f. Black River: Minneapolis and St. Paul, Minnesota (Decorah); Mercer County, Kentucky. Holotype.—Cat. No. 46336, TT.S.N.M. Vanuxemia ungulata (Billings). Cyrtodonta? ungulata Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 15, fig. 3a, b. Cypricardites ungulata Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). Richmond (English Head): Macasty Bay, Anticosti. Vanuxemia worthenl (Ulrich). Cypricardites, sp. undet. Meek and Worthen, Illinois Geol. Surv., 3, 1868, p. 311, pi. 3, figs. 9a, 9d. Cypricardites wortheni Ulrich, Amer. Geol., 1, 1888, p. 180. Vanuxemia wortheni Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 561, pi. 39, figs. 6,7. Trenton (Galena): Mount Carroll, Illinois. Plesiotype.—Gyt. No. 46337, U.S.N.M. VERMIPORA Hall. Genotype: V. serpuloides Hall. Vermipora Hall, 26th Rep. New York State Mus. Nat. Hist., 1874, p. 109.— Rom- inger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 69.— Nicholson, Tab. Corals Pal. Period, 1879, p. 111.— Zittel, Haiidb. Pal., 1, 1880, p. 619. -Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 448.— Hall and Simpson, Pal. New York, 6, 1887, p. 12.— Miller, N. A. Geol. Pal., 1889, p. 207.— Girty, 48th Rep. New York State Mus., 2, 1897, p. 307; 14th Rep. State Geol. New York for 1894, 1897, p. 307.— Sardeson, Neues Jahrb. Min., Geol., Pal., Beilage- Band, 10, 1896, p. 328. Vermipora nlagarensis Rominger. Vermipora niagarensis Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 70, pi. 24, fig. 3. Niagaran: Masonville, Iowa; Point Detour, Lake Huron. • VESICULARIA Rominger. See Cystiphorolites Miller. VEXILLUM Rouault. See Daedalus Rouault. VINELLA Ulrich. Genotype: V. repens Ulrich. Vinella Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 173.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 685.— Vine, Proc. Yorkshire Geol., Geol. Polyt. Soc., 12, 1892, p. 84.— Ulrich, Geol. Minnesota, 3, 1893, p. 112.— Pocta, Syst. * Sil. Centre Boheme, 8, pt. 1, 1894, p. 17.— Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 604.— Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 19.— Ulrich and Bassler, Smiths. Misc. Coll., 45, 1904, p. 273.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 12.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 118.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, p. 55; Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 317. Vinella? multiradiata Ulrich and Bassler. Vinella? multiradiata Ulrich and Bassler, Smiths. Misc. Coll. (quart, issue), 45, 1904, p. 276, pi. 68, fig. 8.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 13, pi. 4, fig. 1. BIBLIOGRAPHIC LIST OF GENEEA AND SPECIES. 1319 Vi iiell a ? mul t ir adi at a — Continued . Clinton (Rochester): Lockport, New York. Anticostian (Jupiter River): Island of Anticosti. Holotype.—Ga,t. No. 43144, U.S.N.M. Viiiella radialis Ulrich. Vinella radialis Ulrich, Geol. Minnesota, 3, 1893, p. 113, fig. 8b.— Ulrich and Bassler, Smiths. Misc. Coll. (quart, issue), 45, 1904, p. 274, pi. 68, fig. 4. Maysville (Corryville) : Cincinnati, Ohio. Holotype.—Cat. No. 43149, U.S.N.M. Vinella radiciformis (Vine). Ascodictyon radians Vine (part), Quart. Jour. Geol. Soc. London, 37, 1881, p. 619. Ascodictyon radiciforme Vine, ibid., 38, 1882, p. 53, figs. 1, 3; Ann. Mag. Nat. Hist., 5th ser., 14, 1884, p. 83, figs. 1-5; Proc. Yorkshire Geol. Polytech. Soc., 9, 1887, pp. 183-4, pi. 12, fig. 5; ibid., 12, 1892, p. 87. Vinella radiciformis Ulrich, Geol. Nat. Hist. Siirv. Minnesota, 3, pt. 1, 1893, p. 113. — Ulrich and Bassler, Smiths. Misc. Coll. (quart, issue), 45, 1904, p. 275, pi. 68, fig. 7.— Bassler, Bull. U. S. Geol. Surv., 292, 1906, p. 12, pi. 4, figs. 2, 3. Silurian: Shropshire, England (Wenlock); Rochester and Lockport, New York (Rochester); Waldron, Indiana (Waldron); Seven Mile Creek, near Eaton, Ohio (Brassfield); Island of Anticosti (Gun River). Plesiotypes.—GB,t. Nos. 35476, 43146, U.S.N.M. Vinella radiciformis conferta Ulrich. Vinella radiciformis var. conferta Ulrich, Geol. Minnesota, 3, 1893, p. 113, fig. 8c, d.— Ulrich and Bassler, Smiths. Misc. Coll. (quart, issue), 45, 1904, p. 275, pi. 68, figs. 5, 6. Niagaran (Waldron): Waldron, Indiana. Holotype.—C&t. No. 43147, U.S.N.M. Vinella repens Ulrich. Vinella repens Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 174, fig. 1; Geol. Minnesota, 3, 1893, p. 114, pi. 1, figs. 1-5. — Simpson, 14th Ann. Rep. State Geol. New York for 1894, 1897, fig. 222 (p. 604).— Ulrich and Bassler, Smiths. Misc. Coll., 45, 1904, p. 274, pi. 68, figs. 1-3.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 118, fig. 177c, e.— Bassler, Bull. U. S. Nat. Mus« 77, 1911, pp. 55, 56, fig. 5; Zittel-Eastman Textb. Pal., 1913, p. 317, figs. 437b, c. Black River (Decorah): St. Paul, etc., Minnesota. Ordovician (Jewe and Wesenberg): Wesenberg, etc., Esthonia. Cotypes.—G&t. No. 43148, U.S.N.M. . VIRGIANA Twenhofel. Genotype: Pentamerus barrandi Billings. Virgiana Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 28. Virgiana barrandei (Billings). Pentamerus barrandi Billings, Geol. Surv. Canada, g,ep. Progr. for 1856, 1857, p. 296; Geol. Canada, 1863, p. 316, fig. 327.— Lesley, Geol. Surv. Pennsyl- vania, Rep. P 4, 1889, p. 615, figs. Barrandella barrandii Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 243, fig. 174; pi. 71, figs. 17-20. Clorinda barrandei Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 184. Virgiana barrandei Twenhofel, Bull. Victoria Mem. Mus., 3, 1914, p. 28. Anticostian (Becsie River, Gun River): Becsie River Bay, Anticosti. 1320 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TOGDESIA Raymond. Genotype: Isotelus bears! Raymond. Vogdesia Raymond, Ann. Carnegie Mus., 7, 1910, p. 70; 7th Rep. Vermont Geol. Surv., 1910, p. 225. Vogdesia bearsl (Raymond). Isotelus? bears! Raymond, Annals Carnegie Mus., 3, 1905, p. 345, pi. 10, figs. 21-24 (not 25). Vogdesia bearsi Raymond, Ann. Carnegie Mus., 7, 1910, p. 70, pi. 19, figs. 10-12; 7th Rep. Vermont State Geol., 1910, p. 225, pi. 32, figs. 21-24; pi. 39, figs. 10-12. Chazyan (Crown Point): Sloop Bay, Valcour Island, New York. WALCOTTIA Miller and Dyer. Genotype: W. rugosa Miller and Dyer. Walcottia Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 39.— James, ibid., 7, 1884, p. 144; ibid., 8, 1885, p. 161.— Miller, N. A. Geol. Pal., 1889, p. 522. Walcottia? cookana Miller and Dyer. Walcottia? cookana, Miller and Dyer, Contr. to Pal., No. 2, 1878, p. 11, pi. 3, figs. 12, 12a. Maysville (Corryville): Cincinnati, Ohio. Walcottia rugosa Miller and Dyer. Walcottia rugosa Miller and Dyer, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 39, pi. 2, figs. 11, lla.— Miller, N. A. Geol. Pal., 1889, p. 522, fig. 946. Maysville (Fairmount) : Cincinnati, Ohio. Walcottia sulcata James. Walcottia sulcata James, Paleontologist, No. 5, 1881, p. 44. Eden (Economy): Cincinnati, Ohio. WALDHEEMIA FORMOSA Hall. See Rhynchospira formosa Hall. WALDHEIMIA GLOBOSA Hall. See Rhynchospira globosa. WESTONIA Matthew. See Obolus subgenus Westonia Matthew. WESTONIA ESCASONI Matthew. See Obolus (Westonia) escasoni. WHITEAVESIA Ulrich. Genotype: Modiolopsis cincinnatiensis Hall ai^d Whitfield. Modiolopsis (part) of various authors. Actinomya Ulrich, Geol. Surv. Ohio, 7, 1893, p. 656; Geol. Minnesota, 3, pt. 2, 1894, p. 513. Whiteavesia Ulrich, Geol. Surv. Ohio, 7, 1893, Expl. pi. 56; Geol. Minnesota, 3, 1894, p. 628.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 985.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 517. Pholadomorpha Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 279 (Geno- type: Modiolopsis pholadiformis Hall). Whiteavesia cancellata (Walcott). Modiolopsis cancellataTWalcott, Trans. Albany Inst., 10, 1883, p. 22, pi. 1, figs. 8, 8a. Actinomya cancellata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 504 (gen. ref.). Whiteavesia cancellata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 628 (gen. ref.). Utica: Trenton, Oneida County, New York. Trenton (Upper): West Covington, Kentucky. Plesiotypes—C&t. No. 46338, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1321 Whiteavesia chambliensis (Foerste). Pholadomorpha chambliensis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 281, pi. 1, fig. 8. Cincinnatian (Pulaski): Chambly, Quebec. WhiteaYesia cincinnatiensis (Hall and Whitfield). Modiolopsis Cincinnatiensis Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 88, pi. 2, figs. 14-15. Actinomya cincinnatiensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, pp. 504, 514, text figs. 39a-d. Whiteavesia cincinnatiensis Ulrich, Rep. Geol. Surv. Ohio, 7, 1893, p. 656, pi. 46, figs. 16-17.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1022, pi. 48, figs. 7, 7a.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 517, fig. 695c. Trenton (Upper): Covington, Kentucky, and vicinity. Plesiotypes.—C&t. No. 46339, U.S.N.M. Whiteavesia cincta Ruedemann. Whiteavesia cincta Ruedemann, Bull. New York State Mus., 162, 1912, p. 95, pi. 5, fig. 1. Trenton (Snake Hill): Snake Hill, Saratoga County, New York. Whiteavesia corrugata (Miller and Faber). Modiolopsis corrugata Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 15, 1892, p. 79, pi. 1, fig. 1. Modiolopsis eulcata Miller and Faber, ibid., 15, 1892, p. 80, pi. 1, fig. 4. Maysville (Corryville): Cincinnati, Ohio. Whiteavesia cumingsi Ruedemann. Whiteavesia cumingsi Ruedemann, Bull. New York State Mus., 162, 1912, pi. 5, figs. 2, 3, Trenton (Snake Hill): Snake Hill, Saratoga County, New York. Whiteavesia expansa Raymond. Whiteavesia? expansa Raymond, Annals Carnegie Mus., 3, No. 4, 1906, p. 578. Chazyan (Crown Point) : Valcour Island, New York. Whiteavesia kentonensis (Ulrich). Actinomya kentoneneis Ulrich, Geol. Surv. Ohio, 7, 1893, p. 658, pi. 56, figs. 18-20. Whiteavesia kentonensis Ulrich, ibid., 7, 1893, pi. 56, figs. 18-20. Trenton (Upper): Covington, Kentucky, and vicinity. Cotypes.—C&t. No. 46340, U.S.N.M. Whiteavesia modioliformis (Meek and Worthen). Modiolopsis modioliformis Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 294, pi. 1, figs. 7b, 8. Actinomya modioliformis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 515, pi. 36, figs. 19, 20. Whiteavesia modioliformis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 628 (gen. ref.).— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 517, fig. 695d. Black River (Platteville) : Mineral Point and Beleit, Wisconsin. Plastotype.—Ca,t. No. 46341, U.S.N.M. Whiteavesia oblonga (Ulrich). Modiolopsis oblonga Ulrich, Amer. Geol., 5, 1890, p. 272, fig. la-c.— James, J. F., Amer. Geol., 6, 1890, p. 67. (Note regarding synonymy.) 1322 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Whiteavesia oblonga — Continued. Actinomya oblonga Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 504 (gen. ref.). Whiteavesia oblonga Ulrich, Geol. Minnesota 3, pt. 2, 1894, p. 628 (gen. ref.). Trenton (Upper): West Covington, Kentucky. Holotype.— Cat. No. 46252, U.S.N.M. Whiteavesia pholadiformis (Hall). Modiolopsis pholadiformia Hall, Geol. Lake Superior Land Dist., Foster and Whitney's Rep., 1851, p. 213, pi. 30, figs, la-c; pi. 31, fig. 1.— Miller, Cin- cinnati Quart. Jour. Sci., 1, 1874, p. 282.— Hall and Whitfield, Geol. Surv. Ohio, Pal., 2, 1875, p. 85, pi. 2, fig. 16. Actinomya pholadiformis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, pp. 504, 514, fig. 39c-d. Whiteavesia pholadiformis Ulrich, Geol. Surv. Ohio, 7, 1893, pi. 56, figs. 21, 22.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1023, pi. 48, fig. 8. Pholadomorpha pholadiformis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 277, pi. 2, fig. 16; pi. 5, fig. 4. Richmond: Bay des Noquets, Lake Michigan; Lake Huron; Ohio; Indiana. Cincinnatian (Pulaski): Province of Quebec. Plesiotypes.—CB,t. No. 46342, U.S.N.M. (Ulrich). Observation. — See Sedgwickia divaricata for a probable synonym. Whiteavesia pholadiformis divaricata (Foerste). Pholadomorpha pholadiformis divaricata Foerste, Bull. Sci.. Lab. Denison Univ., 17, 1914, p. 279, pi. 2, fig. 14. Cincinnatian (Pulaski): Riviere des Hurons, near St. Jean Baptiste, Quebec. Whiteavesia pulchella (Ulrich). Modiolopsis pulchella Ulrich, Amer. Geol., 5, 1890, p. 278, fig. 6a-c. Actinomya pulchella Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 514 (gen. ref.). Whiteavesia pulchella Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 628 (gen. ref.). Trenton (Upper) : West Covington, Kentucky. Holotype.— Cat. No. 46343, U.S.N.M. Whiteavesia saffordi (Ulrich). Orthodesma saffordi Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 229, fig. 15. Actinomya saffordi Uirich, Geol. Minnesota, 3, pt. 2, 1894, p. 514 (gen. ref.). Whiteavesia saffordi Ulrich, ibid., 3, pt. 2, 1894, p. 628 (gen. ref.). Stones River (Murfreesboro) : Murfreesboro, Tennessee. Holotype.— Cat. No. 46344, U.S.N.M. Whiteavesia subcarinata (Ulrich). Actinomya subcarinata -Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 516, pi. 36, figs. 17, 18. Trenton (Prosser): Goodhue County, Minnesota. Holotype.— Cat. No. 46345, U.S.N.M. , Whiteavesia superba (Hall). Modiolopsis? superbus Half, Rep. Sup. Geol. Surv. Wisconsin, 1861, p. 31.— Whitfield, Mem. Amer. Mus. Nat. Hist., 1, pt. 2, 1895, p. 56, pi. 7, figs. 16-18. Actinomya superba Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 514 (gen. ref.). Whiteavesia superba Ulrich, ibid., 3, pt. 2, 1894, p. 628 (gen. ref.). Black River (Platteville): Beloit, Wisconsin. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1323 Whlteavesia symn^etricus Ulrich. Whiteavesia symmetricus Ulrich in Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 162, pi. 13, figs. 15-17. Mohawkian: Head of Frobisher Bay, Baffin Land. Holotype.— Cut. No. 28162, U.S.N.M. Whiteavesia? undata Raymond. Whiteavesia? undatum Raymond, Ann. Carnegie Mus., 3, 1906, p. 578. Chazyan (Crown Point): Valcour Island, New York. WHITELLA Ulrich. Genotype: W. obliquata Ulrich. Whitella Ulrich, Amer. Geol., 6, 1890, p. 176; Geol. Minnesota, 3, pt. 2, 1894, p. 564; Geol. Surv. Ohio, 7, 1893, p. 678.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 702.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 414 — Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 985. Rhynchotropis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 327; Geol. Surv. Ohio, Pal., 1, 1873, p. 136 (not defined). WHITELLA? ACUTUMBONA Ulrich. See Vanuxema acutumbona. Whitella arctica Schuchert. Whitella arcticus Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 163, pi. 13, figs. 23-25. Mohawkian: Head of Frobisher Bay, Baffin Land. Holotype.— Cat. No. 33059, U.S.N.M. WHITELLA CANADENSIS Raymond. See Sowteria canadensis. Whitella carinata (Meek). Dolabra carinata Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 326. Cypricardites? carinata Meek, Geol. Surv. Ohio, Pal., 1, 1873, p. 135, pi. 12, figs. 6a, b (Rhynchotropis carinata suggested at end of description). — Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 218. Whitella carinata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 565 (gen. ref.). Maysville: Cincinnati, Ohio. Observation. — Although probably a species of Whitella, the type specimen is so crushed that the species can not be said to be recognizable. Whitella complanata Foerste. Whitella complanata Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 300, pi. 1, fig. 2. Cincinnatian (Pulaski): Riviere des Hurons, Quebec. Whitella compressa Ulrich. Whitella compressa Ulrich, Amer Geol., 6, No. 9, 1890, p. 180, figs. 15a-d; Geol. Minnesota, 3, pt. 2, 1894, p. 568, pi. 41, figs. 6-9. Black River (Decorah): Minneapolis, Minnesota, and vicinity. Holotype and plesiotype.—C&t. No. 46346, U.S.N.M. Whitella concentrica Ulrich. Whitella concentrica Ulrich, 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 247, fig. 31; Geol. Minnesota, 3, pt. 2, 1894, p. 569, pi. 41, figs. 2 and 3. Black River (Decorah): Minneapolis, Minnesota. Holotype.— Cat. No. 46347, U.S.N.M. Whitella elongata Ruedemann. Whitella elongata Ruedemann, Bull. New York State Mus., 162, 1912, pi. 5, figs. 9,10. Trenton (Snake Hill): Snake Hill, Saratoga County, New York. 84243°— Bull. 92— vol 2—15 39 1324 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Wkitella goniumbonata Foerste. « Whitella goniumbonata Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 301, pi. 1, fig. 3. Cincinnatian (Pulaski): Riviere des Hurons, Quebec. Whitella hindi '(Billings). Cyrtodonta Hindi Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 151, figs. 131a, b (Adv. sheets, 1862); Gebl. Canada, Geol. Surv. Canada, 1863, p. 214, fig. 218. Cypricardites hindi Miller, N. A. Geol. Pal., 1889, p. 476 (gen. ref.). Whitella hindi Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 535 (gen. ref.). Cincinnatian (Pulaski) : Near Toronto, Ontario. Whitella megambona (Whitfield). Cypricardites megambonus Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1877, p. 73; Geol. Wisconsin, 4, 1882, p. 210, pi. 5, figs. 7-8.— Chamberlin, Geol. Wis- consin, 1, 1883, p. 156, fig. Whitella megambona Ulrich, Amer. Geol., 6, 1890, p. 384, Geol. Minnesota, 3, pt. 2, 1894, p. 570, pi. 41, figs. 4-5.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 415, figs. 537a-b. Black River (Platteville) : Beloit, Wisconsin; Minneapolis, Minnesota. Pksiotype.—C&t. No. 46343, U.S.N.M. Whitella obliquata Ulrich. Whitella obliquata Ulrich, Amer. Geol., 6, 1890, pp. 177, 178, figs. 13a-e; Geol. Minnesota, 3, pt. 2, 1894, p. 565, pi. 40, figs. 31-32.— Miller, N. A. Geol. Pal., 1st App., 1892, p. 702, fig. 1261— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana 1908, p. 1024, pi. 48, figs. 10-10d.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 415, fig. 537c. Richmond: Blanchester, Waynesville, etc., Ohio; Indiana (Waynesville) ; Spring Valley, Minnesota (Maquoketa). Cotypes—C&t. Nos. 46349-46352, U.S.N.M. Whitella ohioensis Ulrich. Whitella Ohioensis, Ulrich, Geol. Surv. Ohio, 7, 1893, p. 678, fig. 2. Richmond (Waynesville) : Waynesville and Clarksville, Ohio. Holotype.—Czt. No. 46353, U.S.N.M. Whitella plebeia (Billings). Cyrtodonta? plebeia Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 14, figs. 2a, 2c. Cypricardites plebeia Miller, N. A. Geol. Pal., 1889, p. 477 (gen. ref.). Whitella plebeia Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 535 (gen. ref.). Richmond (English Head and Charleton): Charleton Point, etc., Anticosti. Whitella praecipta Ulrich. Whitella praecipta Ulrich, Amer. Geol., 6, 1890, p. 386; 19th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 1892, p. 246, fig. 30; Geol. Minnesota, 3, pt. 2, 1894, p. 574, pi. 41, figs. 15, 16. Trenton (Prosser) : Near Cannon Falls, Minnesota. Holotype.—Vzi. No. 46354, U.S.N.M. Whitella quadrangular!* (Whitfield). Cypricardites quadrangularis Whitfield, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 138, pi. 6; fig. 5.— Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 566, pi. 40, figs. 28-30.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 415, figs. 536c, d. BIBLIOGBAPHIC LIST OF GENERA AND SPECIES. 1325 Whitella quadrangularis— Continued. Richmond: Clarksville, Waynesville, etc., Ohio ( Waynesville) ; Savannah, Illinois; Spring Valley, Minnesota (Maquoketa). Plesiotypes.— Cat. Nos. 46355, 46356, U.S.N.M. Whitella rugatina Ulrich. Whitella rugatina Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 569, pi. 41, fig. 1. Black River (Decorah) : Minneapolis, Minnesota. Holotype.—Csit. No. 46357, U.S.N.M. Whitella scofleldi Ulrich. Whitella scofieldi Ulrich, Amer. Geol., 6, 1890, p. 181, fig. 15e; p. 382, fig. 16a-c; Geol. Minnesota, 3, pt. 2, 1894, p. 571, pi. 41, figs. 17-21.— Grabau and Shimer, N. A. Index Fossils, 1 (3), 1909, p. 415, fig. 536a-b. Black River: St. Paul and Cannon Falls, Minnesota (Decorah); Beloit, Wiscon- sin (Platteville). Holotype and ple&iotype.—Cat. Nos. 46358, 46359, U.S.N.M. Whitella securiformis Foerste. Whitella securiformis Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 299, pi. 1, fig. 1. Cincinnatian (Pulaski): Riviere des Hurons, Quebec. Whitella? sigmoidea (Billings). Cyrtodonta eigmoidea Billings, Canadian Nat., Geol., 3, 1858, p. 438; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. 186; Cat. Sil. FOBS. Anticosti, Geol. Surv. Canada, 1866, p. 13, fig. la, b. Cypricardites sigmoidea Miller, N. A. Geol., Pal., 1889, p. 477 (gen. ref.). Whitella? sigmoidea Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 565 (gen. ref.). • Richmond (English Head and Charleton) and Gamachian (Ellis Bay): Macasty Bay, near West End Lighthouse, etc., Anticosti. Whitella(?) silurlana Kindle and Breger. Whitella(?) siluriana Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res., Indiana, 1894, p. 447, pi. 10, fig. 15. Niagaran: Wabash, Indiana. Whitella sterlingensis (Meek and Worthen). Dolabra sterlingensis Meek and Worthen, Proc. Acad. Nat. Sci. Philadelphia, 1866, p. 260; Geol. Surv. Illinois, 3, 1868, p. 399, pi. 4, fig. lOa-c. Rhynchotropis sterlingensis Meek, Proc. Acad. Nat. Sci. Philadelphia, 1872, p. 327. Cypricardites eterlingensis Miller, Cincinnati Quart. Jour. Sci., 1, 1874, p. 218. — Whitfield, Jour. Cincinnati Soc. Nat. Hist., 1, 1878, p. 137. Whitella eterlingensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 567, pi. 41, figs. 27, 28. Richmond (Maquoketa): Sterling, Illinois; Spring Valley, Minnesota; ?Rich- mond, Indiana. Whitella subcarinata Ulrich. Whitella subcarinata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 572, pi. 41, figs. 22, 23. Trenton (Prosser): Near Wykoff, Minnesota. Holotype.— Cat. No. 46361, U.S.N.M. 1326 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Whitella suborblcularis Weller. Whitella suborbicularis Weller, Geol. Surv. New Jersey, Pal., 3, 1903", p. 169, pi. 11, fig- 2. Trenton: Jacksonburg, New Jersey. Whitella subovata Ulrich. Whitella subovata Ulrich, Amer. Geol., 6, 1890, p. 386, fig. 18. Kichmond (Waynesville): Waynesville, Ohio. Cotypes.—Cat. Nos. 40510, 46920, U.S.N.M. Whitella subtruncata (Hall). Edmondia subtruncata Hall, Pal. New York, 1, 1847, p. 156, pi. 35, figs. 3a-b (not fig. 3c, or pi. 34, fig. 9). Cyrtodonta subtruncata Billings, Geol. Surv. Canada, Rep. Progr. for 1857, p. 185; Can. Nat. Geol., 3, 1858, p. 437. Cypricardia subtruncata Emmons, Amer. Geol., 1, pt. 2, 1855, p. 174, pi. 13, fig. 2. Whitella subtruncata Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 169, pi. 11, fig. 4. Trenton: Middleville, Watertown, etc., New York; New Jersey; Canada. Whitella truncata Ulrich. Whitella truncata Ulrich, Amer. Geol., 6, 1890, p. 385, figs. 17a-c; Geol. Minne- sota, 3, pt. 2, 1894, p. 572, pi. 41, figs. 10-14. Trenton (Prosser): Goodhue County, Minnesota. Holotype and pleswtypes.—C&t. No. 46363, U.S.N.M. Whitella umbonata Ulrich. Whitella umbonata Ulrich, Amer. Geol., 6, 1890, p. 178, figs. 14a-d.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1025, pi. 48, figs. 9-9c. Richmond (Waynesville): Middletown, etc., Ohio; Indiana. Cotypes.—Cat. Nos. 46364, 46365, U.S.N.M. Whitella ventricosa (Hall). Edmondia ventricosa Hall, Pal. New York, 1, 1847, p. 155, pi. 35, figs. la-f. Cardiomorpha ventricosa Emmons, Amer. Geology, 1, pt. 2, 1855, p. 174, pi. 14, figs. 5, 6; pi. 13, figs. 13, 15. Cypricardites ventricosa Miller, N. A. Geol. , Pal. , 1889, p. 477 (gen. ref .). — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 575, figs. Bodmania ventricosa Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 1894, p. 24. Whitella ventricosa Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 573, pi. 41, figs. 24-26.— Ruedemann, Bull. New York State Mus., 49, 1901, p. 28.— Grabau and Shinier, N. A. Index Fossils, 1, 1909, p. 415, fig. 536e, f. Trenton: Middleville, etc., New York; Goodhue and Fillmore Counties, Minne- sota; Canada. Plesiotypes.—Cat. No. 46366, U.S.N.M. WHITFIELDELLA Hall and Clarke. Genotype: Atrypa nitida Hall. Whitfieldella Hall and Clarke, Pal. New York, 8, 1893, p. 58; 13th Ann. Rep. New York State Geol., 1895, p. 766.— Grabau, Bull. New York State Mus., 45, 1901, p. 201; Bull. Buffalo Soc. Nat. Scu, 7, 1901, p. 201.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 346. Whitfieldia (in error for Whitfieldella) Schuchert, Zittel-Eaetman Textb. Pal., 2ded., 1913, p. 415. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1327 Whitfleldella acuminata Savage. Whitfieldella acuminata Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 116, pi. 7, figs. 11, 12. Upper Medinan (Channahon): Will County, Illinois. Whitfieldella(?) billingsana (Meek and Worthen). Centronella billingsana Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 352, figs, a, b, c; pi. 6, fig. 5. Whitfieldella(?) billingsana Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 460.— Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 90, pi. 5, figs. 11, 12. Upper Medinan (Edgewood): Near Thebes, Illinois; Edgewood, Missouri. Whitfteldella cylindrica Hall. Atrypa cylindrica Hall, Pal. New York, 2, 1852, p. 76, pi. 24, fig. 2. Atrypa crassirostra Hall, Pal. New York, 2, 1852, p. 269, pi. 55, fig. 4. Merista cylindrica Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 77. Athyris cylindrica Billings, Geol. Canada, 1863, p. 317, fig. 333; Geol. Canada, 1863, p. 317, fig. 332. Meristella (?Meristina) cylindrica Meek, Pal. Ohio, 1, 1873, p. 180, pi. 15, fig. 2. Whitfieldella cylindrica Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60, pi. 40, figs. 16-22.— Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 203, fig. 127; Bull. New York State Mus., 45, 1901, p. 203, fig. 127.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 347, fig. 445. Clinton (Irondequoit) : Lockport, etc., New York. Whitfleldella edmundsi Williams. Whitfieldella edmundsi Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 320, pi. 29, figs. 1-4. Silurian (Edmunds) : Burnt Cove, Washington County, Maine. Cotypes.—Czt. No. 58944, U.S.N.M. Whitfieldella erecta Foerste. Whitfieldella erecta Foerste, Cincinnati Soc. Nat. Hist., Jour., 21, 1909, p. 19, pi. 1, fig. 9A-C. Cayugan (Kokomo) : Kokomo, Indiana. Wbitfieldella hyale (Billings). Charionella? hyale Billings, Pal. Foss., 1, 1862, p. 166, fig. 150.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pi. 42, figs. 20, 21. Whitfieldella hyale Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60.— Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1895, p. 63. Niagaran (Guelph): Gait and Elora, Ontario; Wisconsin. Whitfleldella intermedia (Hall). Atrypa intermedia Hall, Pal. New York, 2, 1852, p. 77, pi. 24, figs. 3, 4, ?6.— Rogers, Geol. Pennsylvania, 2, 1858, pt. 2, p. 823, fig. 634.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 56, 4 figs. Merista intermedia Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 77. Athyris intermedia Nicholson and Hinde, Canadian Jour. Sci., 14, 1874, p. 157. — Nicholson, Pal. Prov. Ontario, 1875, p. 61, fig. 32A. Whitfieldella intermedia Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60, pi. 40, figs. 1, 2.— Grabau, Bull. New York State Mus., 45, 1901, p. 203, fig. 126; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 203, fig. 126.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 446, fig. 446. Clinton (Irondequoit): Lockport, etc., New York. 1328 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Whltfleldella(?) Julia (Billings). Athyris Julia Billings, Pal. Fossils, 1, Geol. Surv. Canada, 1865, p. 146, text fig. 124 (adv. sheets, 1862). Meristella julia Miller, N. A. Geol. Pal., 1889, p. 354. Whitfieldella(?) julia Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 461. Anticostian (Jupiter River): Jumpers, Anticosti. Whltfleldella laevis (Vanuxem). Atrypa laevis Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 120, fig. 2. — Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 825, fig. 642. Merista laevis Hall, 10th Rep. New York State Cab. Nat. Hist., 1857, p. 94, figs. 1-6; Pal. New York, 3, 1859, p. 247, pi. 39, figs. 3, 4.— Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 376, pi. 7, fig. 8. Meristella Isevis Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 43, figs. 3-6; pi. 44, fig. 4. Whitfieldella Isevis Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 369, pi. 22, figs. 4a-d; Bull. New York State Mus., 45, 1901, p. 204, fig. 130; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 204, fig. 130. Helderbergian: Albany and Schoharie Counties, New York; Pennsylvania; Maine; New Brunswick; Erie County, New York (Manlius transition beds). Whitfleldella lara (Billings). Athyris lara Billings, Catalogue Sil. Foss. Anticosti, 1866, p. 47. Atrypa lara Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, p. 121.— Schu- chert, Bull. U. S. Geol. Surv., 87, 1897, p. 152. Anticostian (Gun River and Jupiter River): Gull Cape, etc., Anticosti. Whitfleldella(?) minuta Maynard. Whitfieldella(?) minuta Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 442, pi. 78, figs. 41, 42. Helderbergian (Keyser): Devil's Backbone and Roundtop, Maryland. Whitfleldella(?) navlformis (Hall). Atrypa naviformis Hall, Geol. New York, Rep. 4th Dist., 1843, p. 71, fig. 3; Pal. New York, 2, 1852, p. 76, pi. 24, fig. 1.— Nicholson and Hinde, Canadian Jour. Sci., n. s., 16, 1874, pp. 144, 157.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 303, fig. 3.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 57, figs. Meristella naviformis Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. Athyris naviformis Billings, Geol. Canada, 1863, p. 317, fig. 320.— Nicholson, Pal. Prov. Ontario, 1875, p. 62, fig. 32E. Whitfieldella naviformis Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60, pi. 40, fig. 3.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1255, figs. Clinton (Irondequoit): Sodus, Rochester, etc., New York. Whitfleldella nitida (Hall). Atrypa nitida Hall, Geol. New York, Rep. 4th Dist., Tab. Org. Rem., 13, 1843, fig. 5; Pal. New York, 2, 1852, p. 268, pi. 55, fig. 1.— Billings, Canadian Nat. Geol., 1, 1856, p. 137, pi. 2, fig. 9. Merista nitida Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78.— Safford, Geol. Tennessee, 1869, p. 315, fig. Athyris nitida Hall, Geol. Canada, 1863, p. 317, fig. 334. Meristella nitida Hall, Trans. Albany Inst., 4, 1863, p. 226.— Davidson, Mon. British Sil. Brach., 1867, p. 114, pi. 10, figs. 28-32. Meristina nitida Hall, Pal. New York, 4, 1867, p. 299; 28th Rep. New York State Mus. Nat. Hist., 1879, p. 169, pi. 25, figs. 1-7; llth Rep. State Geol. Indiana, 1882, p. 300, pi. 25, figs. 1-7.— Nettelroth, Kentucky Fossil Shells, Mem. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1329 Whltfieldella nltlda— Continued. Kentucky Geol. Surv., 1889, p. 102, pi. 33, figs. 10, 11.— Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 70, pi. 7, figs. 6-10.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 396, figs.— Miller, N. A. Geol. Pal., 1889, p. 354, fig. 584. Whitfieldella nitida Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 59, figs. 43, 44; pi. 40, figs. 4-13.— Grabau, Bull. New York State Mus., 45, 1901, p. 202, fig. 123; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 202, fig. 123._Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 44, pi. 4, figs. 32-37.— Grabau, Bull. New York State Mus., 69, 1903, p. 1051, fig. 10.— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 444, pi. 9, figs. 13, 14.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 347, figs. 447--148.— Foerste, Cincinnati Soc. Nat. Hist., Jour., 21, 1909, p. 19. Niagaran: Lockport, etc., New York; Ontario (Rochester); Waldron, Indiana (Waldron); Louisville, etc., Kentucky (Louisville); Tennessee. Plesiotype.—C&t. No. 51332, U.S.N.M. (Nettelroth). WHITFIELDELLA NITIDA var. OBLATA Grabau. See Whitfieldella oblata. Whitfieldella nitida oblata (Hall). Atrypa nitida var. oblata Hall, Pal. New York, 2, 1852, p. 269, pi. 55, fig. 2. Merista nitida var. oblata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. Whitfieldella nitida var. oblata Grabau, Bull. New York State Mus., 45, 1901, p. 202, fig. 124; Buffalo Soc. Nat. Sci., 7, 1901, p. 202, fig. 124. Clinton (Rochester): Lockport, etc., New York; Hamilton, etc., Ontario. Whitfleldella(?) nucleolata (Hall). Atrypa nucleolata Hall, Pal. New York, 2, 1852, p. 328, pi. 74, figs. lOa-m. Merista nucleolata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. Meristella nucleolata WTiitfield, Geol. Wisconsin, 4, 1882, p. 321, pi. 25, fig. 5. Whitfieldella(?) nucleolata Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 461; Amer. Geol., 31, 1903, p. 166.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 241, pi. 21, figs. 38-40.— Shinier, Bull. New York State Mus., 80, 1905, p. 254.— Grabau, Bull. New York State Mus., 92, 1906, p. 109, fig. 12.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 348, fig. 449.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 151, pi. 32, figs. 3a-b— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 441, pi. 73, figs. 37^0. Whitfieldella cf. rotundata Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 68, pi. 22, figs. 3a, b. Cayugan: Schoharie and Litchfield, New York (Cobleskill) ; Akron, New York (Akron). Helderbergian: Keyser, West Virginia (Keyser); New Jersey. Whitfieldella oblata (Hall). Atrypa oblata Hall, Pal. New York, 2, 1852, p. 9, pi. 4, figs. 4, 5. Merista oblata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 78. Whitfieldella(?) oblata Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 60.— Grabau, Bull New York State Mus., 45, 1901, p. 203, fig. 125; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 203, fig. 125. Upper Medinan: Lockport and Niagara, New York. Whltfleldella ovoides Savage. Meristella? sp. Meek and Worthen, Geol. Surv. Illinois, 3, 1868, p. 354, pi. 6, figs. 4a, b. 1330 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Whitfleldella ovoldes — Continued. Whitfieldella ovoidea Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 90, pi. 5, figs. 13-15; pi. 7, fig. 13. Upper Medinan: Near Thebes, Illinois, and Edgewood, Louisiana, etc., Missouri (Edgewood); Will County, Illinois (Channahon). Whitfleldella prosseri Grabau. Meristella laevis Whitfield (not Hall, 1859), Ann. New York Acad. Sci., 5, 1891, p. 510, pi. 5, figs. 6, 7; Ohio Pal., 7, 1893, p. 411, pi. 1, fig. 6.— Sherzer, Mich- igan Geol. Surv., 7, 1900, p. 223, pi. 17, figs. 6, 7. Whitfieldella prosseri Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 152, pi. 21, figs. 3, 8, 9, 12-13; pi. 30, figs. 6-7.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 439, pi. 78, figs. 34-36. Upper Monroan (Raisin River): Monroe County, Michigan; Lucas County, Ohio. Helderbergian (Keyser): Cherry Run, West Virginia. Whitfieldella quadrangularis Foerste. Whitfieldella quadrangularis Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 327, pi. 1, figs. 4a-c. Clinton (Indian Fields): Near Duncansville, Adams County, Ohio. Whitfleldella rotundata (Whitfield). Nucleospira rotundata Whitfield, Ann. New York Acad. Sci., 2, 1882, p. 194; ibid., 5, 1891, p. 511, figs. 11-14; Geol. Ohio, 7, 1895, p. 413, pi. 1, figs. 11-14.— Sherzer, Michigan Geol. Surv., 7, 1900, pt. 1, p. 223, pi. 17, figs. 11-14. Whitfieldella rotundata Grabau, Bull. New York State Mus., 45, 1901, p. 204, fig. 129; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 204, fig. 129. Whitfieldella cf . rotundata Grabau, Bull. Geol. Soc. Amer., 11, 1900, p. 368, pi. 22, figs. 3a-b. Monroan: Greenfield, Ohio; Monroe County, Michigan; Erie County, New York. Whitfieldella? solitaria (Billings). Athyris solitaria Billings, Catalogue Sil. Foss. Anticosti, 1866, p. 48. Anticostian (Gun River, Jupiter River): Southwest Point, Anticosti. Whitfleldella? speciosa Savage. Whitfieldella? speciosa Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 91, pi. 5, figs. 16, 17. Upper Medinan (Edgewood-Noix) : Near Louisiana and south of Clarksville, Mis- souri; Hamburg, Illinois. Whitfleldella subquadrata Foerste. Whitfieldella subquadrata Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 326, pi. 1, figs. 3a-f. Clinton (Indian Fields): Four miles west of Berea, Kentucky. Whitfieldella subsulcata Grabau. Whitfieldella subsulcata Grabau, Geol. Surv. Michigan, Geol. Ser., 1, 1909, p. 155, pi. 32, figs. 4a-d. Whitfieldella cf. laevis Grabau, Bull. Geol. Soc. Amer., 11, 1900, pp. 369-370, pi. 22, fig. 4a-d; Bull. 45, New York State Mus., Nat. Hist., 1901, p. 204, fig. 130. Cayugan (Akron): Buffalo, Akron, and Williamsville, New York. Lower Monroan (Greenfield): Greenfield and Ballville, Ohio. Whitfleldella sulcata (Vanuxem). Atrypa sulcata Vanuxem, Geol. New York Rep., 3d Dist., 1842, p. 112, fig. 5.— Hall, Geol. New York, 1, 1843, p. 349, fig. 5.— Owen, Amer. Jour. Sci. Arts, 2d ser., 1, 1846, p. 47, fig. 5.— Emmons, Man. Geol., 1860, p. 113, fig. 102. BIBLIOGRAPHIC LIST OF GENERA A*TD SPECIES. 1331 Whitfieldella sulcata — Continued. Merista sulcata Miller, Amer. Pal. Foss., 1877, p. 115. — Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1889, p. 392, figs. Whitfieldella sulcata Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 204, fig. 128; Bull. Geol. Soc. Amer., 11, 1900, p. 367, pi. 22, figs. 2a-d; Bull. New York State Mus., 45, 1901, p. 204, fig. 128.— Schuchert, Amer. Geol., 31, 1903, p. 167.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 348, fig. 450.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 156, pi. 32, figs. 2a-d. Merista bisulcata Hall, Pal. New York, 3, 1859, p. 253. Cayugan: Vienna, etc., eastern New York (Manlius); Buffalo, etc., western New York (Akron). WHITFIELDIA Davidson. See Meristina Hall. WHITFIELDIA NAVIFORMIS Lesley. See Whitfieldella(?) naviformis. WILSONIA Kayser. Genotype: Terehratula wilsoni Sowerby. Wilsonia Kayser, Zeitschr. d. d. geol. Gesselsch., 23, 1871, p. 502.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 195; 13th Hep. New York State Geol., 1895, p. 827.— Koken, Die Leitfossilien, Leipzig, 1896, p. 245, fig. 207.— Williams, Bull. IT. S. Geol. Surv., 165, 1900, p. 60.— Schuchert, Zittel-East- manTextb. Pal., 1900, p. 324; ibid., 2d ed., 1913, p. 398. Uncinulina Bayle, Explic. de la Carte Geol. France, 4, Atlas, 1878, pi. 13, figs. 13-16. Wilsonia globosa Weller. Wilsonia globosa Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 235, pi. 21, figs. 12-22.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 369, pi. 65, figs. 15-17. Helderbergian: Two miles south Tri States, New York (Decker Ferry); Cumber- land, Cash Valley, Maryland (Keyser). Wilsonia kokomoensis (Miller). Rhynchonella kokomoensis Miller, 18th Ann. Rep. Geol. Surv. Indiana, 1894, p. 312, pi. 9, figs. 22-24 (adv. sheets, 1892, p. 58). Wilsonia kokomoensis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 462. — Foerste, Cincinnati Soc. Nat. Hist., Jour., 21, p. 13. Cayugan (Kokomo): Kokomo, Indiana. Wilsonia saffordi (Hall). Rhynchonella saffordi Hall, Canadian Nat. Geol., 5, 1860, p. 146.— Hall and Whitfield, 27th Rep. New York State Cab. Nat. Hist., 1875, pi. 9, figs. 27-29.— Dawson, Acadian Geol., 3d ed., 1878, p. 598. — Nettelroth, Kentucky Foss. Shells, Mem. Kentucky Geol. Surv., 1889, p. 79, pi. 27, figs. 22-24; pi. 33, figs. 4-6. Wilsonia saffordi Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 198, pi. 58, figs. 5-14.— Foerste, Jour. Geol., 11, 1903, p. 710 (loc. occ.).— Kindle and Breger, 28th Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1904, p. 439, pi. 8, figs. 4-9.— Foerste, Bull. Denison Univ., Sci. Lab., 14, 1909, pi. 3, fig. 49. Niagaran: Perry County, etc., Tennessee (Brownsport) ; Louisville, Kentucky (Louisville); Georgetown and Bunker Hill, Indiana. Plesiotype—G&t. No. 51350, U.S.N.M. (Nettelroth). Wilsonia saffordi depressa (Nettelroth). Rhynchonella saffordi var. depressa Nettelroth, Mem. Kentucky Fossil Shells, Kentucky Geol. Surv., 1889, p. 80, pi. 33, figs. 1-3. Niagaran (Louisville): Louisville, Kentucky. Holotype— Cat. No. 51316, U.S.N.M. 1332 BULLETIN 92p UNITED STATES NATIONAL MUSEUM. Wilsonla wilsoni (Sowerby), Terebratula wilsoni Sowerby, Mineral Conch., 1818, p. 118, fig. 3. Rhynchonella wilsoni Roemer, Sil. Fauna West Tennessee, 1860, p. 71, pi. 5, fig. 13. Wilsonia wilsoni Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 198.— Schu- chert, Bull. U. S. Geol. Surv., 273, 1897, p. 462. Middle Silurian: Europe; Decatur County, Tennessee; Louisville, Kentucky; Lake Temiscouata, New Brunswick. WINGIA Seely. Genotype: W. congregata Seely. Wingia Seely, Rep. Vermont State Geol., 5, 1906, p. 178. Observation. — This genus and all of its species are based on the well-known intraformational (edgewise) conglomerates of the Beekmantown, some of which may be algal in origin. Wingia congregata Seely. Wingia congregata Seely, Rep. Vermont State Geol., 5, 1906, p. 178, pi. 39. Canadian (Beekmantown): Shoreham, Fort Cassin, etc., Vermont. Wingia discoidea Seely. Wingia discoidea Seely, Rep. Vermont State Geol., 5, 1906, p. 179, pi. 39. Canadian (Beekmantown): Shoreham, etc., Vermont. Wingia lapilla Seely. Wingia lapilla Seely, Rep. Vermont State Geol., 5, 1906, p. 179, pi. 40. Canadian (Beekmantown): Shoreham, etc., Vermont. XENOCRINUS Miller. Genotype: X. penicillus Miller. Xenocrinua Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 71. — Carpenter, Proc. Roy. Soc. London, 35, 1883, p. 139; Philadelphia Trans. Roy. Soc. London, 174, 1884, p. 925. — Wachsmuth and Springer, Amer. Jour. Sci., 25, 1883, p. 266; Proc. Acad. Nat. Sci. Philadelphia, 1885, p. 317; Rev. Pal., 3, p. 94.— Miller, N. A. Geol. Pal., 1889, p. 287.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard., 20, 1897, p. 182.— J. F. James, Jour. Cincinnati Soc. Nat. Hist., 19, 1897, p. 106.— Bather, Treatise on Zool., pt. 3, Echinoderma, 1900, p. 165, fig. 78, 3.— Wachsmuth, Zittel-Eastman Textb. Pal., 1, 1900, p. 145.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 715.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 193. Xenocrinus baerl (Meek). Glyptocrinus Baeri Meek, Amer. Jour. Sci., 3d ser., 3, 1872, p. 260; Geol. Surv. Ohio, Pal., 1, 1873, p. 37, pi. 2, figs, la, b.— Miller, Jour. Cincinnati Soc. Nat. Hist., 3, 1880, p. 234, pi. 7, figs. 3, 4; ibid., 6, 1883, p. 226.— James, ibid., 8, 1885, p. 71.— Dyche, ibid., 15, 1892, p. 101; Amer. Geol., 10, 1892, p. 130; Science, 20, 1892, p. 66. Reteocrinus Baeri Wachsmuth and Springer, Amer. Jour. Sci., 25, 1883, p. 266. Xenocrinus Baeri Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 1885, pp. 316-318 (Rev. Pal., pt. 3, sec. 1, pp. 94, 95, 96); Mem. Mus. Comp., Zool., Harvard, 20, 1897, p. 185, pi. 9, figs. 5a-d.— James, Jour. Cincinnati Soc. Nat. Hist., 19, 1897, p. 108.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 734, pi. 4, figs. 1, la. Richmond (Liberty): Richmond, Indiana; Waynesville, Ohio. .— Cat. No. 40761, U.S.N.M. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1333 Xenocrinus penicillus Miller. Xenocrinus penicillus Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 72, pi. 1, figs. 3a-c; p. 176, pi. 4, fig. 6. — Carpenter, Philadelphia Trans. Royal Soc., London, 174, 1884, p. 924, pi. 71, fig. 8.— Miller, N. A. Geol. Pal., 1889, p. 287, fig. 444.— James, Jour. Cincinnati Soc. Nat. Hist., 19, 1897, p. 107.— Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 183, pi. 9, figs. 6a, b. Richmond (Liberty): Waynesville, Ohio. Cotype and plesiotypes.—Ca,t. No. 40758, U.S.N.M. XENOPHOBA TRIGONOSTOMA Whitfield. See Diaphorostoma trigonostoma. ZAPHRENTIS Rafinesque. Genotype: Z. phrygia Rafinesque and Clifford=Z. cornicula Leseur. Zaphrentis Rafinesque, Ann. d. Sci. Phys. Bruxelles, 5, 1820, p. 234.— Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal., 1851 (Arch. du. Mus. d'Hist. Nat., 5), p. 164, 326.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 452.— Billings, Canadian Nat. Geol., 3, 1858, p. 428; Geol. Surv. Canada, Rep. Progr. for 1857, 1858, p. -176; Canadian Jour., n. s., 4, 1859, p. 119.— Milne-Edwards, Hist. Nat. d. Corall., 3, 1860, p. 335.— Ludwig, Paleontographica, 10, 1862, p. 204; ibid., 14, 1865, p. 144, pi. 31, figs. 10, 13.— Koninck, Animaux Foss. Terr. Carb. Belgique (Mem. 1'Acad. Royale Sci. de Belgique, 39), 1872, p. 80; ibid., pt. 2, 1873, p. 8.— Dybowski, Archiv. f. Natur. Liv-, Ehst-und Kurl., 5, 1873, p. 335.— Nicholson, Rep. Pal. Prov. Ontario, pt. 1, 1874, p. 21.— Thomson and Nicholson, Ann. Mag. Nat. Hist., 4th ser., 16, 1875, p. 426. — Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 140.— Nicholson and Etheridge, Mon. Sil. Foss., Girvan Dist., 1878, pp. 69-70.— Zittel, Handb. Pal., 1, 1879, p. 228.— Thomson, Proc. Phil. Soc. Glasgow, 13, 1881, p. 216, fig. 4; ibid., 14, 1883, p. 364. — Barrois, Rech. Terr. Anciens Asturies and Galice (Mem. Soc. Geol. Nord, 2), 1882, p. 300.— Roemer, Leth. geog., pt. 1, Leth. Pal., 1883, p. 362.— Hall and Simpson, Pal. New York, 6, 1887, p. 11.— Barrois, Mem. Soc. Geol. du Nord, 3, Lille, 1889, p. 52; Mem. Soc. Agric. et Arts Lille, 4th ser., 17, 1889, p. 52.— Miller, N. A. Geol. Pal., 1889, p. 208.— Shcrzer, Amer. Geol., 7, 1891, pp. 284-289.— James, Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 144.— Koken, Die Leitfossilien, Leipzig, 1896, p. 308.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 729.— Grabau, Bull. Buffalo Soc. Nat. Sci., 6, 1899, p. 123; ibid., 7, p. 137.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 118.— Grabau, Bull. New York State Mus., 45, 1901, p. 137.— Grabau and Shinier, N. A. Index Fossils, 1, 1906, p. 56.— Zittel-EastmanTextb. Pal., 1, 1900, p. 75; 2d ed., 1913, p. 83. Caninia Michelin, Atti della riunione degli Scienzati italiani in Torino, 1841. — Dana, Wilkes's U. S. Expl. Exped., 1838-1842, 7, Zoophytes, 1846, p. 358; Amer. Jour. Sci. Arts, 2d ser., 1, 1846, p. 184.— D'Orbigny, Prodr. de Pal., 1, 1849, p. 105.— McCoy, British Pal. Rocks Foss., 1854, p. 28.— Dybowski, Archiv. natur. Liv-, Ehst-und Kurl., 5, 1873, p. 337.— Zittel, Handb. Pal., 1, 1879, p. 230, Polydilasma Hall, Amer. Jour. Sci. Arts, 2d ser., 11, 1851, p. 399; Pal. New York, 2, 1852, p. 112; 12th Rep. New York State Cab. Nat. Hist., 1859, p. 85.— Sherzer, Amer. Geol., 7, 1891, pp. 284-289. (Genotype: P. turbinatum Hall.) Zaphrentis afflnls Billings. Zaphrentis aifinis Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 430; Cat. Sil. Foss. Anticosti Geol. Surv. Canada, 1866, pp. 7, 34. — Lambe, Cont. Cana- dian Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 118, pi. 7, figs. 6, 6a, b. 1334 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Zaphrentis afflnis— Continued. Zaphrentis bellistriata Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 430; Cat. Sil. FOBS. Anticosti, Geol. Surv. Canada, 1866, pp. 8, 34. Richmond (Charleton) and Gamachian (Ellis Bay): Wreck Point, Gamache Bay, etc., Anticosti. Zaphrentis ambigiia Savage. Zaphrentis ambigua Savage, Bull. Geol. Surv., Illinois, 23, 1913, p. 109, pi. 7, fig. 2. Upper Medinan: Will County, Illinois (Channahon); near Edgewood, Louisiana, and Clarksville, Missouri (Edgewood). ZAPHRENTIS BELLISTRIATA Billings. See Zaphrentis affinis. ZAPHRENTIS BIGSBYI Billings. See Omphyma verrucosa. Zaphrentis bilateralis (Hall). Caninia bilateralis Hall, Pal. New York, 2, 1852, p. 41, pi. 17, figs. 3a-h; p. 113, pi. 32, figs. 3a-c. Zaphrentis bilateralis Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 79 (gen. ref.). Clinton: Reynale's Basin, Lockport, etc., New York. Early Silurian: Reynale's Basin, Lockport, etc., New York (Clinton); Lake Huron (Cataract). ZAPHRENTIS CANADENSIS Billings. See Streptelaema rusticum. Zaphrentis celator Hall. Zaphrentis celator Hall, 28th Rep. New York State Mus. Nat. Hist., doc. ed. for 1875, 1877, pi. 5, figs. 5, 6; mus. ed., 1879, p. 107, pi. 5, figs. 5, 6; llth Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 227, pi. 4, figs. 5, 6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1267, figs. Niagaran (Waldron) : Waldron, Indiana. Zaphrontis celator daytonensis (Foerste). Cyathophyllum celator Daytonensis Foerste, Proc. Boston Soc. Nat. Hist., 24, 1890, p. 339, pi. 9, figs. 9-11; Geol. Surv. Ohio., Pal., 7, 1893, p. 601, pi. 34, figs. 9-11. Alexandrian (Brassfield): Soldiers' Home, near Dayton, Ohio. Zaphrentis charaxata Foerste. Zaphrentis charaxata Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 310, pi. 7, figs. 4a-e. Clinton (Waco): Near Irvine and Panola, Kentucky. ZAPHRENTIS CINCTOSA Billings. See Amplexus shumardi. ZAPHRENTIS CONULUS Davis. See Streptelasma conulus. ZAPHRENTIS CORNICULUM Davis. See Streptelasma rusticum. Zaphrentis cristulata Hall. Zaphrentis cristulata Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 414 (ext., 1882, p. 10). Niagaran (Racine): Racine, Wisconsin. Zaphrentis denticulata (Goldfuss). Anthophyllum denticulatus Goldfuss, Petrefacta, 1826, p. 46, pi. 13, fig. 11. Zaphrentia denticulata Edwards and Haime, Mon. Polyp. Foss. Terr. Pal. (Arch. duMus. Hist. Nat., 5), 1851, p. 412. Silurian: Vicinity of Niagara River. Observation. — Not recognizable. Figure represents cast of some cup coral. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1335 Zaphrentis desori Edwards and Haime. Not recognized. Zaphrentis desori Edwards and Haime, Mon. Polyp. FOBS. Terr. Pal. (Arch, du Mus. Hist. Nat., 5), 1851, p. 333. Silurian: Perry County, Tennessee. ZAPHRENTIS INEQUALIS Hall. See Streptelasma divaricans? Zaphrentis inter text a Foerste. Zaphrentis intertexta Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 307, pi. 7, figs, la, b. Clinton (Waco): Near Irvine and Clay City, Kentucky. Zaphrentis intertexta irvinensis Foerste. Zaphrentis intertexta-irvinensis Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 309, pi. 7, figs. 5A, B. Clinton (Waco) : Near Irvine, Kentucky. Zaphrentis intertexta juvenis Foerste. Zaphrentis intertexta-juvenis Foerste, Bull. Kentucky Geol. Surv., 7, 1906, p. 309, pi. 7, figs. 5C-D. Clinton (Waco): Near Irvine, Kentucky. Zaphrentis keyserensis Swartz. Zaphrentis keyserensis Swartz, Maryland Geol. Surv., Low. Dev., 1913, p. 201, pi. 19, figs. 1-4. Helderbergian (Keyser): Keyser, West Virginia. Zaphrentis latisinus Hall. Zaphrentis latisinus Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 414 (ext. 1882, p. 10). Niagaran: Drummond Island, Lake Huron. Zaphrentis marcoui Edwards and Haime. Zaphrentis marcoui Edwards and Haime, Mon. d. Polyp. FOBS. d. Terr. Pal. (Arch. du Mus. d'Hist. Nat., 5), 1851, p. 337.— Milne Edwards, Hist. Nat. d. Corall., 3, 1860, p. 344. Clinton: Lockport, New York. Zaphrentis obliqua Davis. Zaphrentis obliqua Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 15-17. Niagaran (Louisville?): Near Louisville, Kentucky. Zaphrentis offlcyensis Etheridge. Zaphrentis offleyensis Etheridge, Quart. Jour. Geol. Soc. London, 34, 1878, p. 588, pi. 26, figs. 2, 2a. Niagaran: Offley Island, Kennedy Channel, Arctic America. Zaphrentis? ohioensis James. Zaphrentis? ohioensis James, Paleontologist, No. 4, 1879, p. 26; Jour. Cincinnati Soc. Nat. Hist., 15, pt. 4, 1893, p. 145, fig. 8. Maysville (Corryville): Cincinnati, Ohio. Observation. — Not recognized. Possibly based upon the gastropod Dyeria costata. Zaphrentis patens Billings. Zaphrentis patens Billings, Canadian Nat. Geol., n. s., 2, 1865, p. 430; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 33.— ?Davis, Kentucky Fossil 1336 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Zaphrentis patens — Continued. Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 10, 11.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 119, pi. 8, figs. 2, 2a. Anticostian (Jupiter River): Cormorant Point, Anticosti. ?Niagaran: Near Brunerstown, Kentucky. ZAPHRENTIS PATULA Davis. See Streptelasma patula. Zaphrentis pressula Hall. Zaphrentis pressula Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 414 (ext. 1882, p. 10). Niagaran: St. Charles, Illinois. Zaphrentis racinensis Whitfield. Zaphrentis Racinensis Whitfield, Ann. Rep. for 1879, Wisconsin Geol. Surv., 1880, p. 65; Geol. Wisconsin, 4, 1882, p. 277, pi. 14, figs. 1, 2.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 188, fig. Zaphrentis cf. racinensis Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 23, pi. 1, figs. 2, 3. Niagaran: Racine and Wauwatosa, Wisconsin (Racine); Shelby and Rochester, New York (Guelph). ZAPHRENTIS RADICANS Davis. See Streptelasma radicans. ZAPHRENTIS RUSTICUS Billings. See Streptelasma rusticum. Zaphrentis scutella Davis. Zaphrentis scutella Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 1-3. Niagaran (Louisville): Near Louisville, Kentucky. ZAPHRENTIS SHUMARDI Lambe. See Amplexus shumardi. Zaphrentis socialis Davis. Zaphrentis socialis Davis, Kentucky Fossil Corals, Geol. Surv. Kentucky, pt. 2, 1885, pi. 133, figs. 7-9. Niagaran: Near Brunerstown, Jefferson County, Kentucky. ZAPHRENTIS SPONGIAXIS Davis. See Streptelasma spongiaxis. Zaphrentis stokesi Edwarda and Haime. Zaphrentis stokesi Edwards and Haime, Mon. d. Polyp. Foss. d. Terr. Pal. (Arch. duMus. d'Hist. Nat., 5), 1851, p. 330, pi. 3, fig. 9.— Milne Edwards, Hist. Nat. d. Corall., 3, 1860, p. 337. —Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 308, fig. 311; Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, p. 34.— Nicholson and Hinde, Canadian Jour., n. &., 14, 1874, p. 140. — -Nicholson, Pal. Ontar'o, 1875, pp. 43, 58.— Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 145, pi. 51, lower tier. — Lesley, Geol. Surv. Pennsylvania, Rep. P4, 1890, p. 1277, fig.— Lambe, Cont. Can. Pal., Geol. Surv. Canada, 4, pt. 2, 1901, p. 120, pi. 9, figs. 1, la, 2.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, p. 243.— Grabau and Shimer, N. A. Index Fossils, 1, 1906, p. 57. Zaphrentis cf. stokesi Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 63, pi. 3, fig. 4. Niagaran: Drummond Island, etc., Lake Huron; Lake Tcmiscaming, Canada; Iowa; Michigan. Anticostian (Becsie River, Chicotte): Island of Anticosti. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1337 Zaphrentls subrcgularls Savage. Zaphrentis subregularis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 62, pi. 3, fig. 5; pi. 7, fig. 1. Upper Medinan: Pike County, Missouri (Edge wood); Will County, Illinois (Channohon). Zaphrentis subvada Hall. Zaphrentis subvada Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 415 (ext., 1882, p. 11). Niagaran (Racine) : Racine, Wisconsin. Zaphrentis subvesicularis Hall. Zaphrentis subvesicularis Hall, 35th Rep. New York State Mus. Nat. Hist., 1884, p. 414 (ext., 1882, p. 10). Niagaran (Louisville?): Charlestown, Indiana. Zaphrentis turbinata (Hall). Polydilasma turbinatum Hall, Pal. New York, 2, 1852, p. 112, pi. 32, figs. 2a-i. Zaphrentis? turbinatum Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 85 (gen. ref.).— Grabau, Bull. New York State Mus., 45, 1901, pp. 137, 138, fig. 30; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 137, fig. 30. Niagaran (Lockport) : Lockport, New York. Zaphrentis umbonata Rominger. Zaphrentis umbonata Rominger, Geol. Surv. Michigan, 3, pt. 2, 1876, p. 146, pi. 51, lower tier. Niagaran: Drummonds Island and Point Detour, Michigan; Louisville, Kentucky. Zaphrentis unica Davis. Zaphrentis unica Davis, Kentucky Foss. Corals, pt. 2, Geol. Surv. Kentucky, 1885, pi. 132, figs. 7-10. Niagaran (Louisville): Louisville, Kentucky. ZDIMIR Barrande. See Conchidium Linnaeus. ZITTELELLA Ulrich and Everett. Genotype: Z: typicalis Ulrich and Everett. Zittelella Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 267.— Ulrich and Everett in Miller, N. A. Geol. Pal., 1889, p. 167. Zittelella iiiosculata Ulrich and Everett. Zittelella inosculata Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 271, pi. 5, figs. 6, 6a. Black River (Platteville) : Near Dixon, Illinois. Zittelella lobata Ulrich and Everett. Zittelella lobata, Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 270, pi. 4, figs. 3a-c. Black River (Platteville): Near Dixon, Illinois. Figured sections of cotype.— Cat. No. 46575, U.S.N.M. Zittelella trentonensis (Worthen). Cnemidium? Trentonensis Worthen, Geol. Surv. Illinois, 6, 1875, pp. 491, 492, fig. Palajospongia trentonensis Miller, N. A. Geol. Pal., 1889, p. 162, fig. 113. Zittelella trentonensis Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 270. Black River (Platteville): Near Dixon, Illinois. 1338 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Zittelella typicalis Ulrich and Everett. Zittelella typicalis Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 268, pi. 5, figs. 3, 3a-c, 5, 5a. Black River (Platteville) : Near Dixon, Illinois. Figured sections of cotype.— Cat. No. 46576, U.S.N.M. Zittelella typicalis pistilliformis Ulrich and Everett. Zittelella typicalia var. pistilliformis Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 269, pi. 5, fig. 4. Black River (Platteville) : Near Dixon, Illinois. Zittelella typicalis subrotunda Ulrich and Everett. Zittelella typicalis var. subrotunda Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 269, pi. 5, figs. 2, 2a. Black River (Platteville): Near Dixon, Illinois. Zittelella typicalis turbinata Ulrich and Everett. Zittelella typicalis var. turbinata Ulrich and Everett, Geol. Surv. Illinois, 8, 1890, p. 269, pi. 5, figs. 7, 7a. Black River (Platteville): Near Dixon, Illinois. Zittelella varians (Billings). Eospongia varians Billings, Geol. Vermont, 2, 1861, p. 956; Rep. Econ. Geol., etc., Vermont, 1862, p. 228; Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 19 (adv. sheets, 1861). Zittelella varians Schuchert and Twenhofel, Bull. Geol. Soc. Amer., 21, 1910, p. 690. Chazyan: Mingan Islands, Canada (Mingan); East Tennessee (Lenoir). ZITTELOCERAS Hyatt. Genotype: Cyrtoceras lamellosum Hall. Zitteloceras Hyatt, Proc. Boston Soc. Nat. Hist., 22, 1884, p. 284; Zittel-Eastman Textb. Pal., 1, 1900, p. 522; 2d ed., 1913, p. 603.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 76. Zitteloceras billingsi (Salter). Cyrtoceras billingsi Salter, Geol. Surv. Canada, Canad. Org. Rem., dec. 1, 1859, p. 33, pi. 7, fig. 6 (not 5= Zitteloceras hallianum).— Clarke, Geol. Min- nesota, Pal., 3, pt. 2, 1897, p. 806, pi. 60, fig. 10. Zitteloceras billingsi Grabau arid Shimer, N. A. Index Fossils, 2, 1910, p. 76. Black River: Allumette Island, Ottawa River, Canada (Leray); Cannon Falls, Minnesota (Platteville); Lincoln County, Missouri (Auburn). Zitteloceras hallianum (D'Orbigny). Cyrtoceras lamellosum Hall (not Verneuil, 1842), Pal. New York, 1, 1847, p. 93, pi. 41, figs. 2a-c. Cyrtoceras billingsi Salter, Geol. Surv. Canada, Can. Org. Rem., dec. 1, 1859, p. 33, pi. 7, fig. 5 (not 6 = Zitteloceras billingsi). Cyrtoceras Hallianus D'Orbigny, Prodr. Pal., 1, 3849, p. 1.— Clarke, Geol. Minne- sota, 3, pt. 2, 1897, p. 805, pi. 60, figs. 11, 12.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 1028. Zitteloceras hallianum Ruedemann, Bull. New York State Mus.; 49, 1901, p. 41. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 76, fig. 1291. Trenton: Middleville, etc., New York; Canada. Black River: Janesville, Wisconsin (Platteville); Minneapolis, Minnesota (De- corah). BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1339 ZOPHOCRINUS Miller. Genotype: Z. howardi Miller. Zophocrinus Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 642 (adv. sheets, 1891, p. 32); N. A. Geol. Pal., 1st App., 1892, p. 683.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 152, fig. 57.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 151, fig. 63. — Slocom, Field Columbian Mtis., 2, Geol. Ser., 1908, p. 284, fig. 5.— Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 474.— Springer, Zittel-Eastman Textb. Pal., 2d ed., 1913, p. 158. Zophocrinus globosus Slocom. Zophocrinus globosus Slocom, Field Columbian Mus., GeoJ. Ser., 2, 1908, p. 285, pi. 85, figs. 15-19. Niagaran (Racine): Drainage Canal, near Lemont, Illinois. Zophocrinus howardi Miller. Zophocrinus howardi Miller, 17th Ann. Rep. Indiana Dep. Geol. Nat. Res., 1892, p. 643, pi. 6, figs. 26-28 (adv. sheets, 1891, p. 33); N. A. Geol. Pal., 1st App., 1892, p. 683, fig. 1254.— Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 1, 1900, p. 152, pi. 15, fig. 13.— Bather, Treatise on Zool., pt. 3, Echinoderma, London, 1900, p. 151, fig. 63. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 474, fig. 1785. Niagaran: St. Paul, Minnesota (Laurel); Lemfont, Illinois (Racine). Zophocrinus pyriformis Slocom. Zophocrinus pyriformis Slocom, Field Columbian Mus., Geol. Ser., 2, 1908, p. 285, pi. 85, figs. 12-14. Niagaran (Racine): Romeo, Illinois. ZYGOSPIRA Hall. Genotype: Atrypa modesta Hall. Stenpcisma Hall (not Conrad), Pal. New York, 1, 1847, p. 142. — Meek and Hayden, Pal. Upper Missouri, Smiths. Cont. to Knowl., 14, 1864, p. 16. Zygospira Hall, loth Rep. New York State Cab. Nat. Hist. , 1862, p. 154, figs. 1-2.— Billings, Canadian Nat. Geol., 7, 1862, p. 393.— Hall, 20th Rep. New York State Cab. Nat. Hist., 1867, p. 267.— Meek, Geol. Surv. Illinois, 3, 1868, p. 377.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 58.— Zittel, Handb. Pal., 1, 1880, p. 688.— Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, pp. 86, 119, 122.— Beecher, Amer. Jour. Sci., 3d ser., 44, 1892, p. 152.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 465. — Beecher and Schuchert, Biol. Soc. Washington, 8, 1893, pp. 71-82.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 154.— Beecher, Bull. IT. S. Geol. Surv., 87, 1897, pp. 110, 111.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 307.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 896.— Schuchert, Zittel- Eastman Textb. Pal., 1900, p. 333; 2d ed., 1913, p. 408. Anazyga Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, p. 128.— Miller, N. A. Geol. Pal., 1889, p. 334. (Genotype: Atrypa recurvirostra Hall.) Ilallina Winchell and Schuchert, Prel. Desc. Amer. Geol., 9, 1892, pp. 291, 292.— Miller, N. A. Geol. Pal., 2d App., 1897, p. 760. (Genotype: H. saffordi Win- chell and Schuchert.) Protozyga Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 151; 13th Ann. Rep. New York State Geol., 1895, pp. 809, 810, 812. (Genotype: Atrypa exigua Hall.) Orthonomsea Hall, Note in Cont. Pal. New York, 1859 (not defined).— Hall and Clarke, 47th Rep. New York State Mus., 1894, p. 1008. (Genotype: 0. erratica Hall.) 84243°— Bull. 92— vol 2—15 40 1340 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Zygospira(?) acutirostris Hall. Atrypa acutirostra Hall, Pal. New York, 1847, 1, p. 21, pi. 4 bis, fig. 6.— Emmons Amer. Geology, 1, pt. 2, 1855, p. 192, pi. 3, fig. 27. Rhynchonella acutirostris Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 65. Zygospira(?) acutirostris Raymond, Ann. Carnegie Mus., 7, 1911, p. 227, pi. 34, figs. 15-22. Chazyan (Day Point- Valcour): Valcour Island, Valcour, Chazy, and Crown Point, New York; Isle La Motte, Vermont. ZYGOSPIBA ANTICOSTIENSIS Davidson. See Catazyga anticostiensis. ZYGOSPIRA AQUILA Sardeson. See Zygospira nicolleti. Zygospira cincinnatiensls Meek. Zygospira cincinnatiensis James, Cat. Foss. Cincinnati Group, 1890, p. 11 (nom. nud.).— Meek, Pal. Ohio, 1, 1873, p. 126, pi. 11, fig. 5.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 59. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1282, 2 figs.— Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 54, figs. 13, 14.— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 945, pi. 36, figs. 9-9b.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 30, pi. 6, figs. 16a, b. Zygospira modesta var. cincinnatiensis Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 308. Maysville (Mount Hope and Fairmount): Cincinnati, Ohio; Vevay, Indiana; north of Mason, Kentucky. Zygospira concentrica Ulrich. Zygospira concentrica Ulrich, Jour. Cincinnati Soc. Nat. Hist., 2, 1879, p. 14, pi. 7, fig. 10. Maysville (Fairmount): Cincinnati, Ohio, and vicinity. Zygospira deflecta (Hall). Atrypa deflecta Hall, Pal. New York, 1, 1847, p. 140, pi. 33, fig. 4.— Emmons, Amer. Geology, 1, pt. 2, 1855, pi. 10, fig. 4. Zygospira deflecta Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 157. Trenton: Lewis County, New York; Ottawa, Ontario. Zygospira? erratica (Hall). Orthis? erratica Hall, Pal. New York, 1, 1847, p. 288, pi. 79, fig. 5. Zygospira erratica, Davidson, Suppl. British Sil. Brach., Pal. Soc., 1882, p. 126. Catazyga erratica Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 158, pi. 54, figs. 17-23.— Foerste, Bull. Sci. Lab. Denison Univ., 17, 1914, p. 266. Orthonomsea erratica Hall and Clarke, 47th Rep. New York State Mus., 1894, p. 1008. Cincinnatian (Pulaski): Washington ville, Pulaski, etc., New York; various localities east of Ottawa, Ontario. Zygospira exigua (Hall). Atrypa exigua Hall, Pal. New York, 1, 1847, p. 141, pi. 33, fig. 6.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 190, pi. 10, fig. 6.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 55, figs. Genus? exigua Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 66. Protozyga exigua Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 149, figs. 137, 138; pi. 54, figs. 47, 48. Zygospira exigua Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 463. Trenton; Lowville, Watertown, and Martinsburg, New York. BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1341 ZYGOSPIRA HEADI Hall. See Catazyga headi. ZYGOSPIRA HEADI Meek. See Catazyga headi schuchertana. Zygospira kentuckiensis James. Zygospira modesta var. kentuckiensis James, Paleontologist, 1878, p. 7. Zygospira kentuckiensis Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 138, pi. 34, figs. 21-25.— Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 54, figs. 11, 15, 16.— Foerste, Amer. Geol., 31, 1903, p. 336 (loc. occ.). Richmond (Waynesville): Oldham and Jefferson Counties, Kentucky. Plesiotypes.—Czt. No. 51187, U.S.N.M. (Nettelroth). Zygospira(?) mica (Billings). Rhynchonella mica Billings, Cat. Sil. FOBS. Anticosti, 1866, p. 44. Zygospira? mica Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 157. Anticostian (Jupiter River): The Jumpers, Anticosti. Zygospira(?) minima Hall. r Zygospira minima Hall, Desc. new species Foss. Waldron, Indiana, 1879, p. 14; llth Rep. Indiana State Geol., 1882, p. 305, pi. 27, fig. 7; Trans. Albany Inst., 10, 1883, p. 70.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, p. 1283, fig. Niagaran (Waldron) : Waldron, Indiana. Zygospira modesta Hall. Atrypa modesta (Say) Hall, Pal. New York, 1, 1&47, p. 141, pi. 15, fig. 15.— Emmons, Amer. Geology, 1860, 1, pt. 2, p. 192, pi. 10, fig. 15.— Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 69. Zygospira modesta Hall, 15th Rep. New York State Cab. Nat. Hist., 1862, p. 154; 20th Rep., ibid., 1867, p. 267, fig. 12.— Meek, Pal. Ohio, 1, 1873, p. 125, pi. 11, fig. 4.— Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 58.— Davidson, Geol. Mag., dec. 2, 8, 1881, p. 12, fig. 15.— Chamberlin, Geol. Wisconsin, 1, 1883, p. 174, fig.— Miller, N. A. Geol. Pal., 1889, p. 388, fig. 640.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1890, p. 1283, figs.— Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 467, pi. 34, figs. 42-44.— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 155, figs. 146-149; pi. 54, figs. 7-10, 12.— Keyes, Geol. Surv. Missouri, 5, 1895, p. 98.— Grabau and Shinier, N. A. Index Fossils, 1, 1907, p. 308, fig. 385f-i.— Cumings,'32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 946, pi. 36, figs. 8-Si.— Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 29, pi. 2, fig. 15a-b.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 14, figs. 13-15. 4 Rhynchonella? modesta Billings, Geol. Canada, 1863, p. 211, fig. 211. Eden- Richmond: Cincinnati, Ohio (Fainnount), and vicinity; Ohio; Kentucky; Indiana; Tennessee; Virginia; New York; Iowa, etc. ZYGOSPIRA MODESTA var. CINCINNATIENSIS Grabau and Shimer. See Zygospira cincinnatiensis. ZYGOSPIRA MODESTA var. KENTUCKIENSIS James. See Zygospira kentuckiensis. Zygospira nicolleti Winchell and Schuchert. Hallina nicolleti Winchell and Schuchert, American Geol., 9, April 1, 1892, p. 293; Geol. Minnesota, 3, 1893, p. 474, pi. 34, figs. 59-62. Zygospira aquila Sardeson, Bull. Geol. Minnesota, 3, April 9, 1892, p. 335, pi. 4, figs. 15-18. 1342 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Zygospira nicolleti — Continued. Zygospira nicolleti Beeclier and Schuchert, Biol. Soc. Washington, 8, pt. 2, 1893, p. 71, pi. 10, fig. 23; pi. 11, figs. 11, 12.— Weller, Geol. Surv. New Jersey, Pal., 3, p. 161, pi. 10, figs. 27-30.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 308, fig. 386a-c. Black River: Minneapolis, Rochester, and Fountain, Minnesota; Decorah, Iowa; Beloit, Wisconsin; Auburn, Missouri; New Jersey. Zygospira obsoleta (Foerste). Protozyga obaoleta Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 133, pi. 2, figs. lOa, b. Trenton (Cynthiana): Near Millersburg, etc., Kentucky. Zygospira paupera Billings. Zygospira paupera Billings, Cat. Sil. Fossils Anticosti, 1866, p. 46. — Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 157. Anticostian (Gun River, Jupiter River): Near Jupiter River, etc., Anticosti. ZYGOSPIRA PUTILLA Hall and Clarke. See Atrypa putilla. Zygospira recurvirostris (Hall). Atrypa recurvirostris Hall, Pal. New York, 1, 1847, p. 140, pi. 33, fig. 5. — Emmons, Amer. Geology, 1, pt. 2, 1855, p. 191, pi. 10, fig. 5. Rhynchonella recurvirostris Billings, Geol. Canada, 1863, p. 168, fig. 152. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 899, figs. Anazyga recurvirostra Davidson, Suppl. British Sil. Brach., Pal. Soc., 1892, p. 219. Zygospira recurvirostra Chamberlin, Geol. Wisconsin, 1, 1883, p. 155, fig. — Win- chell and Schuchert, Geol. Minnesota, 3, 1893, p. 466, pi. 34, figs. 38-41.— Beecher and Schuchert, Biol. Soc. Washington, 8, 1893, p. 71, pi. 10. figs. 7-21; pi. 11, figs. 1-10.— Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 54, figs. 1-6.— Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 3, 1897, p. ISO.— Beecher, Bull. U. S. Geol. Surv., 87, 1897, p. Ill, fig. 6.— Ruedemann, Bull. New York State Mus., 49, 1902, p. 27.— Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 161, pi. 10, figs. 23-26.— Grabau and Shirmer, N. A. Index Fossils, 1, 1907, p. 307, fig. 385a-e.— Bassler, Bull. Virginia Geol. Surv., 2a, 1909, pi. 7, figs. 4, 5.— Foerste, Jour. Cincinnati Soc. Nat. Hist., 21, 1914, p. 132, pi. 1, fig. 2. Black River, Trenton: Martinsburg, etc., New York; Kentucky; Iowa; Minne- sota; Wisconsin; Ontario; Manitoba, etc. Zygospira saffordi Winchell and Schuchert. Hallina eaffordi Winchell and Schuchert, Amer. Geol., 9, 1892, p. 292; Geol. Minnesotifr, 3, 1893, p. 473, pi. 34, figs. 55-58.— Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pi. 83, figs. 36-38. Zygospira eaffordi Beecher and Schuchert, Biol. Soc. WTashington, 8, 1893, p. 71, pi. 10, fig. 22; pi. 11, figs. 13, 13a.— Hall and Clarke, Pal. New York, pt. 2, 1893, p. 151, figs. 139-141. Stones River (Lebanon): Lebanon, Tennessee. ZYGOSPIRA UPHAMI Winchell and Schuchert. See Catazyga uphami. 3W < INDEX OP SPECIFIC NAMES. The following index shows the specific and varietal names employed for American Ordovician and Silurian fossils and indicates the genera or combinations under which each has been used. abbreviata — Calymene, Cyrtospira, Lep- erditia hisingeri, Lophospira uniangu- lata, Murchisonia, Murchisonia unian- gulata, Ruedemannia, Subulites. abdita— Ophileta. abnormalis — Pseudocrinites. abnormis (e) — Actinoceras, ^Echmina, Clonograptus, Dichograptus, Graptoli- thus, Graptolithus (Monoprion), Holo- cystites, Lophospira, Orthoceras". aboynensis — Illaenus . abruptus (a, um) — Bathyurellus, Colpo- mya, Corynotrypa, Ctenodonta, Cyrto- ceras, Gyroceras, Liospira, Oncoceras, Orthoceras, Paleopupa, Pleurotomaria, Sserichnites, Tellinomya, Vanuxemia. absimilis — Ctenodonta, Tellinomya. acadiae — Rhynchospira, Trematospira. acadicus (a, um) — Agnostus, Ctenopyge, Cyathaspis, Dictyonema flabelliforme Diplaspis, -Grammysia, Pteraspis. acadiensis — Crania, Helopora fragilis acamas — Bronteus, Goldius. aoanthinus — Callicrinus. acantlionotus — Tetragrapsus . acanthoptera — Stropheodonta, Strophom- ena. acanthura — Protopeltura . accelerans — Eurystomites. acceleratum — Cycloceras inceptum, Or- thoceras inceptum. accola — Eunoa. acervulosa — Cyphotrypa, Leptotrypa. achate s — Dalmanites , Pterygometopus . aciculatus (a) — Arabellites, Murchisonia. acinacellum — Cyrtoceras. acinus — Camarotcechia , Rhynchonella . acmea (um) — Fenestella, Semicoscinium. acrea — Murchisonia, Turritoma. aculeatus — Ceratiocaris, Cladopora, Dim- erocrinus, Diplograptus, Hormotoma, Loxonema, Rhodocrinus (Thysanocri- nus). acuminatus (a, um) — Ceratiocaris, Daw- sonia, Escharopora, Glossina, Lacco- phyllum, Lingula, Lmgulella, Lingu- lepis, Lophospira, Lyrodesma, Maclu- rea, Maclurites, Murchisonia, Obolus, Orthis, Physetomya, Platystrophia, Pti- lodictya, Trimerella, Whitfieldella. acuta — Carinaropsis, Maclurina manito- bensis, Pachydictya, Ptilodictya, Ra- phistoma, Stictopora, Strophomena, Strophomena neglecta. acuticaudatus — Pterygotus. acutidens — Didymograptus . acutilirata — Delthyris, Orthis biforata, Platystrophia. acutilobus (a) — Bilobites, Orthis. acutiplicata — Orthis. acutirostra — Ambonychia, Atrypa, Myti- larca. acutirostris — Ambonychia, Byssonychia, Lingula, Rhynchonella, Zygospira. acutumbona — Cypricardites, Cyrtodonta, Vanuxemia, Whitella. acutus (um) — Bathyurus, Bellerophon, Bellerophon bilobatus, Cyrtolites, Dip- lograptus, Diplograptus foliaceus, Grap- tolithus, Oxydiscus, Sinuites cancellata, Tryblidium. ada — Murchisonia, Turritoma. adelina — Ectomaria, Murchisonia, Sole- nospira. adherens — Stenopora. adipatus — Holocystites. adrastica — Modiolopsis. adscendens — Clitambonites, Orthisina. eedilis — Cladopora, Eridotrypa, Monticu- lipora. semulus — Cyathocrinus (Poteriocrinus) , Ilomocrinus. seneas — Trochoceras. sectualis (e) — Eurychilina, Lingula, Melo- crinus, Monotrypella, Monticulipora, Orthoceras, Orthoceratites, Primitia. 1343 1344 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. aequilatera— Beyrichia, Leperditella, Lep- erditia. sequiradiata — Camarotoecliia, Protorhyn- cha, Rhynchonella. sequivalvis— Orthis, Plectorthis. affinis (e)— Agnostus pisiformis, Ambony- chia, Amplexopora, Atrypa, Calathium, Cypricardites, Cyrtodonta, Dicelloceph- alus, Didymograptus, Dikelocephalus, Heliolites, Heterotrypa, Holocystites, Lesueurilla, Lichenocrinus, Lingulella, Lingulobolus, Liospira, Lyellia, Maclu- rea, Maclurites, Modiolopsis, Monticuli- pora, Nileus, Obolus, Orthodesma, Pla- tycolpus, Prasopora, Propora, Ptycho- paria (Euloma), Raphistoma, Remo- pleurides, Scenella, Sclimidtella, Tham- nograptus, Zaphrentis. agarista— Pleurotomaria. agassizi — Anisophyllum . agave — Pleurotomaria. agellus— Ceramopora. agglomeratif ormis — Halysites . agglomeratus (a, urn) — Catenipora, Cya- thophyllum, Halysites, Rhynchonella. agilis — Hormotoma, Murchisonia. aiens — Pleurotomaria. ainsliei — Rhynchonella, Rhynchotrema. alabamaensis — Dicellograptus moffaten- ais, Diplograptus foliaceus, Leptaena trans versalis, Plectambonitee transvers- alis. alacer — Asaphus, Brachyaspis, Isotelus. alaricus — Proetus . alatus (a) — Ambonychia, Anomalodonta, Avicula, Ctenobolbina, Cypricardia, Cyrtodonta, Euomphalus, Euompha- lopterus, Eurymya, Leptoplastus, Mc- gaptera, Modiolopsis, Olenus, Orthis, Posidonia, Posidonomya, Protograptus, Sphserophthalmus, Tetragrapsus, Tetra- graptus (Graptolithus), Trilobites. albaniensis — Eopolychaetus. albersi — Crania, Orthoceras. albertina — Ctenodonta. albionensis — Polypora, Polypora (Fene- etella). alceste — Metoptoma. alceus — Oncoceras. alcicornis— Bythopora, Clathropora, Stig- matella. alcyone— Pachydictya, Ptilodictya. alethes — Cyrtoceras. alexandra — Murchisonia, Omospira, Or- mospira. alienum — Orthoceras. allani — Lingulella. alleghaniensis — Arthrophycus, Fucoides. allegoricus — Bellerophon. alleni — Calceocrinus, Deltacrinus. allumettense — Actinoceras, Loxoceras, Orthoceras. alpha — Asaphus. alpheus— Tremanotus, Trematonotus. alternans — Orthis, Protichnites. alternatus (a, urn)— Caryocyetites, Cera- mopora, Cceloclema, Conchopeltis, Cra- nia, Cyathocrinus, Dendrocrinus, Helio- phrentis, Helopora, Holocystis, Holo- cystites, Homocrinus, Leptsena, Monti- culipora (Fistulipora), Nematopora, Oriostoma huntingtonensis, Poteriocri- nus, Rafinesquina, Strophomena. alterniradiata — Schuchertella, Stropho- mena. alternistriata — Leptsena, Strophomena, Strophomena alternata, Rafinesquina. altidorsata — Fenestella (Cycloporina) . altilis — Brachyaspis, Rhynchonella. altirostris — Calymene. altissimus (a) — Clitambonites america- nus, Clitambonites diversa. altisulcatum — Eunema, Trochonema. altoides — Leperditia. alturensis — Ophileta. altus (a, um) — ^Actrotreta idahoensis, Cal- lograptus minutus, Ctenodonta, Cyclora, Cytherina, Graptolithus, Homotrypa, Leperditia, Metoptoma, Modiomorpha, Reticularia (Prosserella) subtransversa, Scenella, Tellinomya, Trochonema. alveata — Cuneamya, Hebertella. alveolaris — Favistella, Favosites. alveolatus (a, urn) — Byssonychia, Colum- naria, Reteocrinus, Retiocrinus. amator — Oncoceras. amazonica — Conularia, Orthis callactis. ambiguus (a) — Atrypa, Billingsia, Cama- rella, Elkania, Fenestella, Hindella, Illaenus, Isotrypa, Loculipora, Obolella, Pleurotomaria, Sagenella, Triplesia, Za- phrentis. americanus (a, um) — Acacocrinus, Agnos- tus, Ampyx, Aphetoceras, Arethusina, Barrandeoceras, Bolboporites, Calceola, Clidochirus, Clitambonites, Coalaeter, INDEX OF SPECIFIC NAMES. 1345 americanus — Continued. Crotalocrinus, Cyclolituites, Cypricar- dia, Cystiphyllum, Dawsonoceras annu- latum, Deiphon, Encrinurus, Eripty- chius, Gilbertsocrinites, Gyroceras, Har- pides, Hemipronites, Hortholus, Illse- nus, Illaenus crassicauda, Liospira, Li- tuites, Lyellia, Megalaspis, Orthoceras (Dawsonoceras) annulatum, Palaeaspis, Petraster, Pleurotomaria, Ptilodictya lanceolata, Pycnosaccus, Rhynchotreta, Pvliynchotreta cuneata, Sagenocrinus, Streptorhynchus, Telephus, Trocho- ceras, Turbo. amherstburgensis — Schuchertella. amiana — Isochilina. amii — Isochilina, Orthograptus, Paterula, Stromatopora, Tetragraptus. ammonis — Cyathophyllum. ammonius — Lituites, Trocholites. amoena (um) — Cyrtoceras, Dalmanella, Orthis, Pianodema. amphitrite — Euconia, Pleurotomaria. ainpla — Callopora, Cyrtodonta, Drepa- nella, Hallopora, Holopea, Isochilina, Lophospira, Murchisonia, Opisthoptera. amplectens — Eurystomites. amplexicaulis (e) — Diplograptus, Diplo- graptus (Glyptograptus), Diplograptus foliaceus, Graptolithus. amplicameratum — Orthoceras. amplicorne — Cyrtoceras (Phragmoceras) . ainplimarginatus — Bathyurus. amplitubulata — Halysites catenularia. amplus (um) — Cypricardites, Holocysti- tcs, Modiolodon, (Enonites, Piloceras, Strophostylus. amycus — Orthoceras, Orthoceras (Cyclo- ceras). amygdalina — Ambonychia, Cleionychia, Cypricardites, Leperditia, Palsearca, Posidonomya. anadontoides — Lyonsia. analoga — Metoptoma, Scenella, Stropho- mena. anastomotica — Palaeodictyota. anatiformis — Cheirocrinus, Chirocrinus, Clioderma, Echinoencrinites, Glypto- cystitea. anatiniformis — Lyonsia, Pterotheca, Tel- linomya. anceps — Gonioceras, Obolus, Ormoceras, Orthoceras. anchoralis — Acidaspis, Ceratocephala. ancilla — Dendrocrinus, Homocrinus. anderdonense — Cyetiphyllum, Trochoce- ras. andina — Parabolinella . andrewsi (i) — Callopora, Hallopora, Hete- rotrypa, Monticulipora. anellus — Orthoceras, Spyroceras. angela — Ctenodonta, Tellinomya. angelini — Bathyurus, Holometopus. angularis (e) — Arthroclema, Atactopora. Callopora, Escharopora, Eurymyella, Gaurocrinus, Glyptaster (Eucrinus), Glyptocrinus, Hallopora, Leperditia, Mesotrypa, Moorea, Ophileta, Ophile- tina, Ptychocrinus, Stictoporella. angulatus (a, um) — Acroculia, Camarotoa- chia semiplicata, Cheirocrinus, Chiro- crinus, Cyathocrinus, Dendrocrinus, Kionoceras, Liospira, Octonaria, Ortho- ceras, Palaeocrinus, Petraia, Platyceras, Phylloporina, Pleurotomaria, Raphi- etoma, Retepora, Scalites, Stephano- crinus, Streptelasma, Strophomena, Subretepora, Uncinulus nucleolatus. angulif era — Orthonota . angulosum — Conoceras, Cypricardia. angustatus (a, um) — Bellerophon, Buca- nia, Camarotoechia litchfieldensis, Cte- nodonta, Dendrocrinus, Homocrinus, Hormotoma gracilis, Liospira, Modio- lopsis, Murchisonia, Streptelasma di- varicans, Tellinomya, Tremanotus. angusticameratum — Endoceras. angusticaudus — Isotelus, Isoteloides. angusticollis — Illaenus . angustifolius — Diplograptus, Graptoli- thus, Phyllograpsus, Phyllograptus, Sphenothallus. angustifrons — Cypricardites, Modiolopsis. angustus (a, um) — Cypricardites, Escha- ropora, Fusispira, Gomphoceras, Phrag- moceras, Platycrinus, Ptilodictya. ann dixoni — Platycrinites. anna — Apiocystites, Crania, Hormotoma, Leperditia, Murchisonia, Phyllograp- tus, Thamnograptus. annectans — Graptolithus, Leptograptus, Ptychoparia. annieana — Orthis, Platystrophia. annulatus (a, um) — Amplexus, Canna- pora, Climacograptus ecalaris, Cyclen- doceras, Cyrtoceras, Dawsonoceras, En- doceras, Huronia, Maclurea, Maclurites, Orthoceras, Orthoceras (Cycloceras), Pterygometopus, Syringopora. 1346 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. annulifera — Batostomella, Lioclemella, Trematopora. anodontoid.es — Modiolopsis. anomala — Faberia, Metoptoma. anomalo crinus — Pod olithus . anstedi — Calathium. anteceptus — Cyclocystoides. antennarius — Climacograpsus, Climaco- graptus, Cryptograptus, Diplograpsus. antenor — Orthoceras. antheloidea— Constellaria, H e 1 1 i p o r a, Monticulipora, Stellipora. anthonensis (e) — Scenidium, Skenidium. anthonii — Asterias . anticomm — Gorgonia . anticostiana — Anabaia, Leperditia, Le- perditia canadensis, Leperditia iabu- lites, Protozeuga. anticostiensis (e) — Actinoceras, Ascoce- ras, Athyris, Athyris headi, Bairdia, Calapoecia, Catazyga, Catazyga headi, Chasmops, Cyathophyllum, Cypricar- dites, Cyrtodonta, Dalmanites, Dictyo- nella, Dinorthis (Plsesiomys) porcata, Eichwaldia, Krausella, Leperditia, Or- tliis, Orthoceras, Pleurocystis, Pleuro- cystites, Rhynchonella, Rhynchotre- ma, Stricklandinia, Stropheodonta (Brachyprion), Strophomena, Triple- cia insularis, Zygospira. antiquatus (a) — Asterias, Bellerophon, Buthotrephis, Cryptophragmus, Eo- harpes, Harpes, Harpma, Palseaster, Palasterina, Pleurotomaria, Stropho- mena. antiquus (a, um) — Argaster, Asterias, Ca- marotoechia, Climacograptus, Conocar- dium, Crinosoma, Cypridina, Holopea, Lingula, Littorina, Mesopalseaster, Pa- chystroma, Palseaster, Petraster, Pleu- rorhynchus, Ptilodictya, Stromatopora, Stropheodonta patersoni. apertus (a, um)— Petraia, Pleurotomaria, Poterioceras, Pycnoceras, Raphistoma, Staurograptus dichotomus, Strepte- lasma, Tetradium, Tetradium fibratum. aphsea — Ambonychia, Streptomytilus. apicalis — Eridonychia, Hemipronites, Or- this, Polytrechia. aplata — Favosites hisingeri. apollo — Anacheirurus, Ceraurus (Cyrto- metopus), Cheirurus, Euryetomites, Li- tuites. apolonista — Symphysurue. appressa — Dekayia, Ilolopea, Leperditia. approximatus (a, um) — Cameroceras, Chse- tetes, Endoceras, Glossograptus quadri- mucronatus, Helopora, Monticulipora, Nemagraptus gracilis, Orthodesma, Pa- lasasterina, Streptorhynchus, Stropho- mena vetusta, Tetragrapsus. approximus — Pseud osphaerexochus . apriniformis — Homceospira, Rhyncho- spira. aprinis — Atrypa, Rhynchonella, Rhyn- chospira. aquila — Zygospira . aquilonaris — Bronteus, Goldius. arab ella — Pleurotomaria . aracline — Lophospira, Murchisonia, Pleu- rotomaria, Stricklandia, Syntrophia. araclmoidea — Aulopora, Stomatopora. aranea — Dichograpsus. aratus (a) — Cypricardina, Leptodomus (Sanguinolites). arborea — Monticulipora. arborescens — Cyathophyllum, Dimero- crinus, Thysanocrinus. arbusculus (a, um) — Calyptograptus, Dictyonema, Homotrypa, Inocaulis. area — Plectambonites. arcMmedes — Daedalus, Spirophyton. Ta- onurus. arcolata — Monticulipora. arcta — Cytherella rugosa. arctatum — Bythocypris punctulata, Eu- nema, Trochonema. arcticameratum — Cyrtoceras, arcticus (a, um) — Alveolites, Chsetetes, Conchidium, Cromus, Dinorthis meedsi, Grammysia, Holopea, Leperditia, Le- perditia baltica, Modiolodon, Oncoce- ras, Orthoceras, Orthia (Dinorthis) meedsi, Primitia, Receptaculites, Rhynchotrema deckerensis, Whitella. arctipora— Bythopora, Ptilodictya. arctiventrum — Endoceras. arctostriata — Atrypa, Atrypa reticularis. arcturus — Illsenus, Thaleops. arcuaria — Dalmanella, Orthis. arcuatus (a, um) — Bathyurus, Colpoceras, Cornulites, Cyrtoceras, Didymograpsus, Didymograptus, Drepanodus, Edmon- dia, Graptolithus, Graptolithua (Mono- prion), Illocnus, Krausella, Modiolopsis, Olenus, Paradoxides, Pontocypris, Stro> phomena. INDEX OF SPECIFIC NAMES. 1347 arcuoliratum — Orthoceras . arcuosus (a) — Clorinda, Pentamerus. arenaria — Holopea, Murchisonia, Pletho- spira. arenatum — Endoceras. arenicola — Isotelus. areolata — Aspidopora, Spatiopora. arethusa — Stricklandinia, Strophomena, Syntrophia. areyi — Barrandella, Clorinda, Dictyo- nema, Eotomaria. argentea — Camarotcechia, Rhynchonella. argentinus (a) — Arethusina, Illeenus, Monticulipora, Thysanopyge. argenturbica — Rhynchonella, Rhyncho- trema. argo — Bellerophon, Oxydiscus. argutus (a, um) — Diploclema sparsum, Glyptocrinus, Modiolopsis, Monograp- tus, Pachydictya, Ptilodictya, Stelidi- ocrinus. argylensis — Hormotoma, Murchisonia. arisaigensis — Murchisonia. aristides — Cyrtoceras. arkansanus (a)— Cyphaspis, Dalmanites, Dalmanites (Synphoria), Dicranopeltis, Odontopleura. arkansasensis — Dicranograptus nichol- eoni, Dicranograptus ramosus. armanda — Orthis, Syntrophia. armatus (a, um)— Arthroclema, Bathyu- rus, Bumastus, Helopora, Heterocy- stites, Illsenus, Isochilina, Isochilina pygmaea, Leperditia, Lumbriconereites, Plethopeltis. armosus— Eucalyptocrinus, Glyptaster, Glyptocrinus, Siphonocrinus. arnheimensis — Rhynchotreta dentata. arrectus (a)— Aparchites, Cyrtia expor- recta, Cyrtia trapezoidalis. artemesia — Hormotoma, Murchisonia. arthracanthus— Glossograpsus, Glosso- graptus. articulatus (um) — Cyathophyllum, Ma- dreporites. articulosus — Calceocrinus, Castocrinus, Heterocrinus. arundinaceus— Dicranograptus, Grapto- lithus, Mastigograptus. aryballium — Astylomanon cratera. ascialis — Arabellites. ashmani — Orthodesma. asper (a, um) — Acanthoclema, Batosto- mella, Callopora, Chasmatopora, Cru- ziana, Dekayia, Eucalyptocrinus, Fa- vosites, Fenestella, Gorgonia, Hetero- spongia, Holocystites, Leptsena, Lio- clema, Lophospira, Monticulipora, Mur- chisonia, Paleofavosites, Phylloporina, Plectambonites sericeus, Rusophycus, Spatiopora, Subretepora, Terebratu- lites, Trematopora. asperate striata — Chasmatopora, Phyllopo- rina, Subretepora. asperatus (a) — Archseocrinus, Conularia, Deocrinus, Spirifer, Spirifer (Eospiri- fer), Rhodocrinus. asperostriatus — Straparollina, Straparol- lus. asperula — Crania, Monticulipora, Monti- culipora we therbyi, Petigopora. aspinosus — Dalmanites. astartaeformis — Ctenodonta, Tellinomya. astraformis — Plasmopora, Porites. astragoletes — Asaphus. astrodistans — Clathrodictyon vesiculo- sum. atava— Eoorthis, Orthis (Plectorthis), Ra- finesquina, Strt)phomena. atheroidea — Lissatrypa. atlanticus (a, um) — Beyrichia, Eccyli- omphalus, Endoceras, Harpides, Ma- clurea, Maclurites. atlas — Cyathophyllum, Homalonotus. atratus — Girvanella, Strephochetus. atrypoides— Eoorthis (Orusia) lenticula- ris, Orthis lenticularis. attenuatus (a, um)— Acrotreta, Ambony- chia, Aphetoceras, Calceola, Cleiony- chia, Cliodernta, Ctenodonta, Cymato- nota, Cyrtospira, Lingula, Pterotheca, Rhizophyllum, Rhopalonaria, Tellino- mya. atticus — Orthoceras. attritus (a)— Chsetetes, Dekayia, Monti- culipora. auburnensis — Platystrophia ponderosa. auconini— Tarphyceras. augusta — Metoptoma. augustina — Lophospira, Murchisonia, Murchisonia (Hormotoma). aulema — Endoceras, Nanno. auloporoides— Alecto, Proboscina, Stoma- topora. 1348 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. aurantium — Cry stallocyst is , Echinosphoe. ra, Echinospheerites, Echinus, Sphsero- Dites. aureatus — Mariacrinus. auriculatus — Bellerophon . auriformis (e) — Capulus, Fucoides, Pla- tyostoma, Stomatis. aurita— Pattersonia, Strobilospongia. aurora — Lingula, Rafinesquina, Stropho- mena. austini — Agelacrinus, Clisophyllum, Ho- motrypa, Lumbriconereites, Strepho- des. australis (e)— Catazyga tiphami, Stroma- tocerium huronense. austrina — Anodontopsis. autolycus — Orthoceras. a vellana— Jaekelocystis . avellanedae — Maclurea, Maclurites. aviculoidea — Megambonia, Prolobella, Pterinea. aviculoides — Modiolopsis, Pterinea. a vif ormis — A vicula . avns — Nautilus, axion — Pleurotomaria. bacca — Coccocrinus. baccula — Pisocrinus. backii — Actinoceras, Ormoceras, Ortho- ceras. baconi — Hyolithes. baculus — Holocystites. baeri — Glyptocrinus, Gyroceras, Litui- tes, Reteocrinus, Trochoceras, Xeno- crinus. baffinensis — Ctenodonta, Cycloceras olo- rus, Cyrtoceras, Vanuxemia. baileyi — Acrotreta . balanoides — Anomalocystites, Ateleocys- tites, Enopleura, Placocystis. balantium — Astylomanon cratera. balteatum — Orthoceras, Spyroceras. balt(h)ica — Cythere, Leparditia. bannister! — Gyroceras, Trochoceras. barabuensis (e) — Dicellocephalus, Dike- locephalus, Metoptoma, Platycolpua. barbatulus — Diplograptus. barberi — Corynotrypa. barrandi(i)— Amphion, Asaphus, Barran- della, Basilicus, Calceocrinus, Canado- cystis, Clorinda, Cremacrinus, Malocys- tites, Ogygia, Pentamerus, Pliomerops, Ptychoparia, Rastrites, Reteograptus, Retiograptus, Sigmacysti|, Thamno- graptus, Virgiana. barretti — Kloedenia, Stromatopora, Syrin- gostroma. barriensis — Bumastus, Illsenus. bartonensis (e) — Acanthograptus, Ortho- ceras, Thamnograpsus. basalis — Edriospongia, Lumbriconere- ites, Rhinidictya, Stictopora. basaltica — Favosites. basilicus — Diplograptus, Diplograptus vulgatus, Orthograptus. bassleri — Clisospira, Cryptozoon, Dalma- nella, Homotrypa, Meekopora, Sageno- crinus, Scenidium. bastini — Chonetes. baltis— Hebertella, Orthis. bayfieldi(i) — Actinoceras, Illaenus, Ormo- ceras, Orthoceras, Vanuxemia. beachi — Trochonema. beachleri — Callicrinus. beani— Ceramopora, Paleschara. bears! — Isotelus, Vogdesia. beatrice — Lophospira, Murchisonia. beauharnoisensis — Palaeophycus. beaumonti — Actinoceras, Pentarnerus. beauportense — Orthoceras, Spyroceras. b ebryx — Dalman ites . beckeri — Bumastus, Megalaspis. becki(i)— Calymene, Dictyolites, Dictyo- phyton, Lithodictuon, Orthoceras, Pa- rad oxides, Triarthrus. beecheri — Conocardium, Homeospira, Ly- riocrinus, Mariacrinus. beekmanensis (e) — Cyrtoceras, Euconia, Pleurotomaria. b el emnuru s — Megalaspis . bella — Actinopteria, Beyrichia, Inocau- lis, Lingulella, Meristella, Obolus (Lin- gulella), Ophileta, Palaeodictyota. bellaforma — Rhynchonclla. bellapuncta — Bucania. bellarugosa — Hebertella (Glyptorthis), Orthis, Orthis (Herbertella). bellasculptilis — Poleumita. bellatulum — Kionoceras, Orthoceras. bellevillensis — Bumastus, Heterocrinus, Ohiocrinus, Stenocrinus. belli — Anomocarella, Chonophyllum, Di- cellocephalus, Dikelocephalus, Glos- sina, Lingula, Obolus, Palaeoglossa, Triarthrus. bellicincta — Hormotoma, Murchisonia. bellilineata — Pterinea. bellistriatus (a) — Ambonychia, Cornuli- tes, Fenestella, Posidonomya. INDEX OF SPECIFIC NAMES. 1349 bellulus (a, um)— Conradella, Cryptoli- thus, Cyclocystoides, Cyclonema, Dal- manella, Dalmanella (Bathyccelia), Goniophora, Helopora, Mesopalseaster, Orthis, Petraster, Phragmolites, Piano- dema, Promopalaeaster, Trinucleus, Trochonema. beloitensis (e) — Actinoceras, Eccyliopte- rus, Orthoceras, Scenella, Subulites, Trochonema. belti — Acrotreta, Linnarssonia, Obolella. beltrami (i) — Lingula, Orthoceras. benedicti — Allocrinus, Cyathocrinus, Ha- brocrinus, Holocystites, Orthis, Piso- crinus, Ptychophyllum, Saccocrinus, Subulites. benjamin! — Isotelus, Monotrypa. bernensis — Camarella. beta — Asaphus, Isotelus. beudanti — Actinoceras. beverlyensis — Palseophycus. bialveata— Delthyris. biangulatum — Litoceras, Pleurotomaria, Trochonema. bicarinatus (a) — Lingula, Straparollus. bicincta — Lophospira, Murchisonia, Pleu- rotomaria. bickmoreanus (um) — Lituites, Lituites (Ophidioceras), Plectoceras. bicla vata — Arthraria . bieonstrictus — Receptaculites. biconvexa — Atrypa. bicornis — Amphilichas, Beyrichia, Cli- macograptus, Climacograptus caudatus, Dalmania, Dalmanites, Dicranella, Dip- lograpsus, Diplograptus, Fenestella, Graptolithus, Lichas (Hoplolichas), Lichas (Platymetopus). bicostatus (a) — Cliopteria, Orthis, Reti- cularia, Spirifer. bicurvatus (a) — Cyrtospira, Dicellograp- tus divaricatus. bidens — Atrypa, Rhynchonella. bidentatus — Atrypa, Calceocrinus, Rhyn- chonella, Terebratula. bidorsatus (a) — Bellerophon, Bucania, Ctenodonta, Tetranota. bifidus — Didymograptus, Graptolithus, Graptolithus (Monoprion). biforatus (a) — Orthis, Platystrophia, Te- rebratulites. bif urea — Conulari?. bifurcatus (a) — Arthropora, Callicrinus, Cladopora, Eschara, Pachydictya, Stic- topora, Syringopora. bigeneris — Drepanella. bigsbyi — Actinoceras, Agelacr mites, Cryptolithus, Cyclaster, Edrioaster, Edriocystis, Graptolithus, Graptolithus (Monoprion), Huronia, Maclurea, Mac- lurites, Orthoceras, Tetragraptus, Za- phrentis. bilamellatum — Anisophyllum . bilateralis — Caninia, Drepanella, Gonio- trypa, Scofieldia, Zaphrentis." bilex — Cyclonema, Turbo. bilineatus (a, um) — Conularia, Bellero- phon, Orthoceras, Spyroceras. bilix — Cyclonema, Pleurotomaria, Turbo. billingsana — Centronella, Lingulella, Murchisonia, Stricklandinia, Whit- fieldella. billingsi (i) — Agelacrinites, Agelacrinus, Aparchites, Archinacella, Arthroclema, Bumastus, Cleiocrinus, Cyrtoceras, Cyr- todonta, Diphyphyllum, Eurychilina, Glyptocrinus, Hemicystites, Leperditia, Lophospira, Metoptoma, Monticulipora, Nieszkowskia, Nyctopora, Orbignyella, Ottawacrinus, Periglyptocrinus, Pri- mitia, Pseudosphaerexochus vulcanus, Salterella, Steliella, Strophomena, Triarthrus, Trimerella, Zitteloceras. billingsianus — Castocrinus. biloba — Anomia, Bilobites, Callicrinus, Cryptodiscus, Fucoides, Orthis, Ptery- gotus, Spirifer. bilobatus (a, um) — Bellerophon, Cruzi- ana, Cyrtolites, Fucoides, Rusophycus. biloculare — Conchidium. bimucronatus — Ceraurus, Diplograptus, Hallograptus, Lasiograptus. bipartitus (a) — Donacicrinites, Erisocri- nus, Leptsena, Stropheodonta, Strophe- odonta (Leptostrophia), Strophomena. bip enni s — Boliviana . biplicata — Centronella. bipunctatus (a) — Didymograpsus, Escha- ra, Ptilodictya. bisecta — Acrotreta, Agnostus. bisinuatus — Pentamerus, Pentamerus ob- longus. bispinosus (a) — Ceraurus, Ctenobolbina. bispiralis — Lophospira, Pleurotomaria. 1350 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. bisulcata — Atrypa, Camarella, Cyclospi- ra, Lingula, Merista, Rhynchonella. bitruncata — Palseaspis. bituberculatus — Bathyurus, Lloydia. bivertex — Leperditia, Ulrichia. bivia — Leperditia. bivittata — Coelocaulus, Murchisonia. blainvillei — Actinoceras, Columnaria. blairi — Pty choparia . bloomfieldensis — Sphaerocystites. blumenbachii (ia) — Calymene, Conocar- dium, Euchasma. bolivianos (a, um) — Agnostus, Lingula, Orthoceras. boliviensis — Asaphus, Cryptolithus, Me- galaspis, Trimicleus. boltoni — Arctinurus, Lichas (Oncholi- chas), Paradoxides, Platynotus, Ptero- lichas. bondi — Cyrtoceras, Plectoceras. borealis (e) — Aphetoceras, Ascoceras, Athyris, Athyria headi, Calapoecia, Ca- tazyga headi, Clitambonites, Crypto- zoon, Duncanella, Hebertella, Orthis, Psiloconcha sinuata, Streptelasma, Te- rebratula, Trimerella, Trochoceras. borkholmiensis — Rhinidictya. botryoideum — Ccenostoma. bovinum — Cyrtoceras. bowdeni — Lophospira, Murchisonia. boycii — Cyrtoceras, Cyrtactinoceras. boydi (i) — Loxonema, Murchisonia. boylei — Eurypterus, Hormotoma, Mur- chisonia, Turritoma, Tylopterus". bracMatus — Dimerocrinus, Glyptaster, Myelodactylus, Thysanocrinus. brachymera — Phycograptus. brachynota — Delthyris. brackenbushi — Megalaspis. bradti — Pterinea. brainerdi — Cameroceras, Cameroceras (Proterocameroceras), Girvanella, Lin- gula, Orthoceras, Strephochetus. brasiliensis — Bollia lata. brauni — Holocy stites . brazilianus — Clidophorus. bretonensis — Obolus, Palseobolus. breva — Eurymyella ehaleri. breviata — Pontocypris mawii. brevicaudatus — Dalmanites limulurus. breviceps — Bathyurus, Chasmops, Dalma- nia, Dalmanites, Dolichopterus, Leio- stegium, Lichas, Metopolichaa. brevicorne — Cyclostomiceras, Cyrtoceras. brevicula — Dalmanella, Dalmanella ema- cerata. brevicurvatum — Oncoceras . brevimarginatus — Cyphaspis, Haploco- nus, Proetus. brevior — Cuneamya scapha. breviplicata — Camarella. brevirostris — Anastrophia, Atrypa, Pen- tamerus, Rhynchonella, Terebratula. brevis (e) — Matheria, Schmidtella, Strep- telasma, Stricklandia, Stricklandinia, Subulites, Subulites (Polyphemopsis). brevispinosa — Acidaspis. brevispinus — Bathyurellus. brevispira — Gyronema. breviuscula — Cypricardites, Cyrtodonta. briareus (a) — Chaetetes, Eridotrypa, Es- charopora, Monotrypella, Monticuli- pora, Monticulipora (Monotrypa), Ptilo- dictya. bridgportensis — Myelodactylus. brisa — Pterinea. briseis — Lingula. bristolense — Endoceras. brittsi — Cyathocrinus. brocki — Hellcotoma. brongniartia (i) — Conotubularia, Fuco- ides, Ormoceras, Orthoceras. brontes — Orthoceras. brownii — Area. brownsportensis — Diaphorostoma, Platy- ceras, Strophonella eemifasciata. bryonoides — Graptolites (Didymograp- tus), Graptolithus, Tetragrapsus, Tetra- graptus. buchiana — Beyrichia. buchii — Cupellaecrinites . bucklandi (i) — Calymene, Ceraurus, Or- thoceras. buelli (i) — Bucania, Bucania (Tremano- tus), Salpingostoma. buffaloensis — Pterygotus. bulbosus (a) — Cyphotrypa, Rhizograp- sus, Rhizograptus, Stenopora. bulbulus — Caryocrinites, Caryocrinus. bullifera — Astylomanon verrucosum, Eu- rychilina, Palacomanon verrucosum bullulatum — Cyathophyllum. burginensis — Bellerophon troosti, Lopho- spira medialis. bursa — Astylospongia, Palseomanon. byrnesanus — Corydocephalus, Lichas. INDEX OF SPECIFIC NAMES. 1351 byrnesi — JEchmina, Byssonychia, Dicra- nella, Leperditia, Orthoceras, Ortho- desma, Rhytimya. byronensis — Phragmoceras. cacabifonnis (e) — Hexameroceras, Hexa- moceras. cadmus — Orthoceras. caduceus — Dendrocrinus, Didymograp- BUS, Didymograptus, Graptolites, Grap- tolithus, Poteriocrinus (Dendrocrinus), Tetragraptus. caeca — Leperditia. cae cigena — Leperditia . caelatus — Climacograptus, Eucalyptocri- nus, Hypanthocrinites. csespitosa (um) — Blothrophyllum, Butho- trephis, Cladopora, Diplophyllum. calcaratus — Diplograptus foliaceus. calceolus (a) — Glyceritee, Leptotrypa, Monticulipora, Monticulipora (Mono- trypa). calcifer — Bellerophon. calciferiforme — Pycnoceras. calciferous — Conocephalites. calciferus (a) — Camarella, Eccyliompha- lus, Euomphalus, Fusispira, Lonchoce- phalus, Lophospira, Murchisonia, Nau- tilus, Pleurotomaria, Ptychoparia, Receptaculites, Ribeiria, Syntrophia, Subulites, Tarphyceras, Triplecia, Triplesia. calciforme — Pycnoceras. calhounensis — Eurydictya. calicina — Columnaria, Favistella. calicularis (e) — Corynoides, Cyathophyl- lum. caliculoides — Helen terophy Hum. caliculus (um) — Cyathophyllum, Entero- lasma, Lecanocrinus, Petraia, Strepte- lasma. callactis — Orthis. callicephalus (a) — Calymene, Calym- mene, Dalmania, Dalmanites, Phacops, Pterygometop us . calligramma — Orthis, Orthis (Dinorthis). calloporoides — Trematopora. callosa (um) — Homotrypa, Pycnopegma. calphurnia — Pleurotomaria. calvini — Atrypa, Ctenodonta, Tellinomya. calyculus (a) — Aspidopora, Chaetejtes, Le- canocrinus, Monticulipora, Monticuli- pora (Diplotrypa), Prasopora, Pycno- eaccus. calyx — Pleurotomaria . camdenensis — Pasceolus. cameolare — Orthoceras. camerata — Calymene, Strophomena. campana — Pisocrinus . campanulatus (a, um) — Dawsonia, Dia- phorostoma, Dimerocrinus, Platyceras, Thysanocrinus. campbelli — Syntrophia. campestris — Tolmaia. camura (um) — Atrypa, Cyrtoceras, Rhyn- chonella, Trematospira. canadensis (e) — Actinoceras, Actinodic- tyon, Agnostus, Amphion, Amplexo- pora, Apiocystites, Archinacella, Aris- tozoe, Asaphus, Ascoceras, Basilicus, Batostoma, Bellerophon, Billingsites, Calapcecia, Calathium, Calaurops, Cal- locystites, Capulus, Ceratopyge, Chi- ton, Chonophyllum, Corynotrypa, Cy- pricardinia, Cypricardites, Cyrtodonta, Dictyonema, Dinobolus, Discoceras, Drepanella richardsoni, Ecculiompha- lus, Eccyliomphalus, Ectenocrinus, Goniatites, Hercynella, Heterocrinus, Hormotoma salteri, Ilionia, Inocaulis, Ischadites, Labechia, Leperditia, Li- chas, Lingula, Megalomus, Metoptoma, Obolellina, Obolus, Ogygites, Ortho- ceras, Panenka, Paractinoceras, Pe- traia, Phsenopora fimbriata, Phragmo- ceras nestor, Piloceras, Pleurotomaria, Pliomera, Pliomerops, Priscochiton, Pseudosphaerexochus, Pterygotus, Pti- lodictya, Ptychophyllum, Receptacu- lites, Remipleurides, Rhinidictya neg- lecta, Sactoceras, Salpingostoma, Schi- zambon, Schizambon fissus, Siphono- tretascotica, Sphaerexochus, Sphseroph- thalmus, Steganoblastus, Stomatopora, Stricklandia, Stricklandinia, Stromato- cerium, Strophostylus, Subulites, Ten- taculites, Triarthrus, Trocholites, Tro- chonema umbilicatum, Tryblidium, Turrilepas, Whitella, Zaphrentis. canaliculatus (a, um) — Barrandeocrinus, Clioderma, Cylicocrinus, Dermatostro- ma, Dimerocrinus, Orthodesma, Ptero- theca, Rhodocrinus (Thysanocri- nus). canalifera — Eotomaria, Pleurotomaria. canalis — ^Asaphus, Isotelus, Leperditella, Leperditia, Orthis. 1352 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. cancellatus (a) — Acrotreta, Actinomya, Belleropkon, Cyclonema, Cyrtoceras, Desmograptus, Dictyograptus, Dictyo- nema, Kionoceras, Littorina, Lituites, Megambonia, Melia, Modiolopsis, Nau- tilus, Orthoceras, Protowarthia, Sinui- tes, Strophostylus, Technophorus, Whi- teavesia. candens— Ctenodonta, Tellinomya. canneus — Holocystites . cannonensis (e) — Lyrodesma, Monticuli- pora. cantharium — Astylomanon cratera. capax — Atrypa, Bathyurus, Bellerophon, Chonophyllum, Favosites, Leperditia, Lituites, Modiolopsis, Nautilus, Platy- colpus, Rhynchonella, Rhynchotrema. capillaceus — Monograptus. capillaris — Nemagrapsus, Nemagraptus, Thamnograptus . capitolinum — Actinoceras, Jovellania, Or- thoceras. caponiformis — Anomalocrinus, Ataxiacri- nus. capricornulus — Conilites, Cyrtoceras. caractaci — Trinucleus. carausii — Orthis. carchari(ae)dens — Blastoidocrinus. carcinodea — Brongniartia. cardinalis (e) — Streptorhynchus, Stro- phomena. cardinata — Vanuxemia . caribou ensis — Asaphus . carinatus (a, um) — Ambonychia, Avicula, Byssonychia, Carinaropsis, Ctenodonta, Cypricardites, Cyrtolites, Dolabra, Go- niophora, Glyptocrinus inseparatus, Helioplirentis, Maclurea, Maclurites, Modiolopsis, Murchisonia, Nuculites (Orthonota), (Enonites, Pleurotomaria, Pterinea, Streptotrochus, Tellinomya, WMtella. carinifera — Bucanopsis, Murchisonia. carleyi — Cruziana, Dalmanites, Dinorthis, Glyptocrinus, Mariacrinus, Orthis, Or- thoceras, Pterygometopus, Rusophycus. carltonens e — Orthoceras . carnensis — Hemicystites. carpenter!— Ctenodonta. carrollensis (e) — Cyrtoceras, Lituites (Ophidioceras) hercules, Modiolopsis, Protophragmoceras. carterensis — Columnaria. carter! — Stromatopora. carver! — Oncoceras. case! — Ambonychia, Anomalodonta, Den- drocrinus, Megaptera, Poteriocrinites. caseyi — Poteriocrinites. casii — Pleurotomaria, Lophospira. cassandra — Murchisonia, Seelya. cassina — Eotomaria, Holopea, Hormoto- ma, Lophospira, Murchisonia, Pletho- spira. cassinensis (e) — Bellerophon, Cyclosto- miceras, Eoharpes, Gomphoceras, Har- pes, Lituites eatoni, Protorthia, Proto- warthia, Scenella, Schroaderoceras, Si- nuites. castellana — Stricklandinia. caswelli— C u n e a m y a, Cypricarditea, Grammy sia. cataline — Orthoceras. cataractensis — Mesopalseaster. catenularia — Halysites, Tubipora. catenulatus (a) — Halysites, Halysites fieldeni, Stigmatella, Tubipora. catharina — Murchisonia. catilloides — Bucania, Euomphalus, Oxy- discus. cato — Orthoceras. catulus — Orthoceras. caudatus (a) — Asaphus, Bathyurus, Cli- macograptus, Dalmania, Goniurus. cavernosa (um) — Cceloclema, Dermatos- troma. cayleyi — Amphion, Pliomerops. celata — Primitia . celator — Cyathophyllum, Zaphrentis. cellulata — Calamopora. cellulosus (a, um) — Conradella dyeri, Cyrtolites dyeri, Phragmolites dyeri, Phytopsis, Tetradium. c el su s — D end rocrinus . centralis — Lophospira, Murchisonia, Pri- mitia. centricarinatus — Plectambonites. centricornis — Klcedenia. centrilineata — Dalmanella, Orthis. centrosa — Orthis. centrota (um) — Stromatopora, Syringos- troma. ceralepta — Acidaspis, Ceratocephala. ceres — Strophomena, Rafinesquina. cerithioides — Eunema, Trochonema. cervicornis — Arabellites, Callopora, Cla- dopora, Inocaulis. cestrotus — Eurypterus, Stylonurus (Cte- nopterus). INDEX OF SPECIFIC NAMES. 1353 chadwicki — Eurypterus. chsetophorus — Acanthograptus. chamberlini — Lophospira, Murchisonia. chambers! — Beyrichia, Ceratopsis, Tetra- della. cliambliensis (e) — Pholadomorpha, Proe- tus, Whiteavesia. champlainensis (e) — Bucania, Cyrtactino- ceras, Endoceras, Eurystomites, Lichas, Nautilus, Rafmesquina, Tarphyceras. ch.annah.onen sis — Proetus. chapmanensis — Monograptus priodon. chapmani — Palseocrinus, Palaeocystites, Stricklandinia. charaxata — Zaphrentis. charletona — Hyattidma. charlottse — Leptaena. charlotte — Orthis. charon — Bellerophon. chatfieldensis — Aparchites, Modiolopsis. chazianum — Stromatocerium lamottense . chaziense — Gonioceras. chazyensis — Pseudosphaerexochus. chemungensis — Atrypa. chicagoensis — Arctinurus, Bucania, Bu- mastus, Cleidophorus, Corymbocrinus, Cyphocrinus, Eucalyptocrinus, Holo- pea, Illaenus, Marsupiocrinus, Penta- merus, Periechocrinus, Tremanotus, Trematonotus. chidlensis — Labyrinthites. chiromorphus — Eunicites . Christiana — Astylospongia. christyi — Actinocrinus, Calymene, Cy- phaspis, Megistocrinus, Periechocrinus, Saccocrinus, Synhomalonotus. chrysalis — Calceocrinus, Chelrocrlnus, Cremacrinus, Crinocystis, Crinocysti- tes, Eucheirocrinus, Proclivocrinus, Tetracystis. cicelia — Lophospira, Murchisonia. cicerops — Eurypterus, Eusarcus. ciliatus (a) — Beyrichia, Ctenobolbina, Diplograpsus, Diplograptus, Glosso- graptus. cincinnatise — Melia. cincinnatiensis (e)— Acidaspis, Actino- mya, Agelacrinites, Agelacrinus, Am- bonychia, Arthropora, Bellerophon, Beyrichia, Ceratocephala, Chaetetes, Cyclocystoides, Cythere, Cytheropsis, Dendrocrinus, Elpe, Gomphoceras, Ho- motrypa, Lepidodiscus, Lingula, Lin- gulella, Lingulella (Dignomia), Lyro- cincinnatiensis — Continued, desma, Modiolopsis, Monticulipora, Monticulipora (Peronopora), Orthis, Orthoceras, Pholidops, Poteriocrinites, Pterinea, Ptilodictya, Spirorbis, Tech- nophorus, Trachomatichnus, Zygospira, Zygospira modesta. cinctosa (um) — Blothrophyllum, Enallo- pora, Mitoclema, Zaphrentis. cinctutus (um) — Amplexus, Cyrtoceras. cingulatus (a, um) — ^Amplexopora, Am- plexus, Archinacella, Cornulites, Cte- nodonta, Cypricardites, Cyrtodonta, Grammysia, Tellinomya, Triblidium. circe — Chilotrypa, Discina, Helopora, Lo- phospira, Pleurotomaria, Straparollina, Straparollus. circinali s — Mastigograptus . circinatus — Ecculiomphalus, Euompha- lug. circinctum — L ioclema . circularis — Calloporella, Ischadites, Litu- ites, Monticulipora, Monticulipora (He- terotrypa), Orthis, Orthis (Dalmanella) subaequata, Pentamerus, Pianodema subaequata, Receptaculites, Trocho- lites. circulus — Atrypa, Camarella, Orthis, Rhi- pidomella. circumcarinatus — Glyptocrinus. circumliratus — Euomphalus. cirrif er — Gnorimocrinus . clara — Discina. c 1 ark anu s — Palaaa ste r . clarkei — Beyrichia, Bollia, Colpoceras, Ctenodonta, Endoceras, Klcedenella, Palseaster, Stromatopora, Tarphyceras, Tetragraptus. clarki (i) — Colpoceras, Cyathophyllum, Pseudocrinites, Sagenocrinus. clarks villen s i s — PI aty strophia , Plectam- bonites rugosa. clathrata (um) — Beyrichia, Chasmatopo- ra, Limaria, Lingula, Orthoceras, Phyl- loporina, Subretepora. . clathratulus (a) — Chaetetes, Stictopora. claudei — Cyclocrinus, Pasceolus. clausus (a) — Bellerophon, Callopora, Hal- lopora. clavacoideus (a) — Chaetetes, Leptotrypa, Monticulipora, Monticulipora (Mono- trypa). clavatus (um) — Orthoceras, Orthoceras (Actinoceras), Rusophycus; 1354 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. clavelloid.es — Buthotrephis, Bythotre- phis. claviformis — Leptotrypa, Stigmatella. clavifracta — Beyrichia clavigera, Isochi- lina clavigera. clavifrons — Illsenus, Thaleops. clavigera — Beyrichia, Isochilina. clavis — Leptotrypa, Stigmatella. clavus — Gomphocystites . claypolei — Leperditia, Primitiella, Pseu- docrinites. claytonensis — Straparollus. cleavelandi — Ptilodictya. clelandi — Proetus. clermontensis — Amphilichas. Cleveland! — Arthropora, Echinognathus, Eurypterus, Monticulipora, Monticuli- pora (Heterotrypa). cliff ordi — Trianisites . cliftonensis — Camarotoechia (Stegerhyn- chus) neglecta, Cyrtia, Diaphorostoma, Hyolithes, Leptobolus lepis, Rhyncho- nella (Stegerhynchus) neglecta. clintonensis (e) — Acervularia, Brockocys- tis, Clathropora, Clathropora frond osa, Coleolus, Craniella, Ctenodonta, Cyphaspis, Cyrtoceras, Diaphorostoma niagarense, Eunicites, Graptolithus, Ichthyocrinus, Lagenograptus, Lepado- cystis, Lichaa breviceps, Lingulops, Metapolichas breviceps, Monograptus, Monticulipora, Monticulipora (Hetero- trypa), Palaeodictyota, Petrocrania, Platyceras niagarense, Ptilodictya, Rusichnites (Psammichnites), Rhy- eophycus, Scolithus, Tellinomya (Nucula). clintoni (i) — Atrypina, Calymene, Cerau- rus (Pseudosphserexoehus), Cornulites, Cornulites serpularis, Cyphaspis, Hemi- crypturus, Lingula, Onchus, Orthoce- ras, Pseudosphaerexochus, Retepora, Strophomena, Spyroceras. clipeiformis — Pleurotomaria. clitus — Cyrtoceras. clivosa — Pleurotomaria, Trochonema (Eunema). clochensis — Archinacella, Lingula, Cyr- todonta. clouei — Actinoceras, Orthoceras. clytie — Heterorthis, Orthis. coalescens — Camarotoechia, Ceratocepha- la, Chilotrypa, Trematopora. cobbi — Pterygotus. cobourgensis — Lingula. cobscooki— Chonetes, Palaeopecten. cochabambina — Tunaria. coelatus — Eucalyptocrinus. coeymanensis — Gypidula (Sieberella). cognatus — Gaurocrinus, Glyptocrinus, Reteocrinus. colbiensis— Platystrophia . colletti — Concliidium, Holocystites, Pen- tamerus, Rhynchonella. colliculus — Chonetes. collieana — Asaphus, Hemigyraspis. colon — Orthoceras, Orthoceras (Camero- ceras). coloradoensis — Billingsella, Orthis. columba — Lingula. columbiana— Amplexopora, Illsenurus, Platyceras, Raphistoma. columellata — Cyathaxonia, Lindstromia. columnaris (e) — Chsetetes, Kionoceras, Orthoceras, Tetradium. conieta — Pontobdellopsis. comma — Corynoides curtus. commodus — Holocystites. communis (e) — Acervularia, Actinopteria, Agnostus, Avicula, Callopora onealli, Cceloclema, Cyclonema, Diamesopora, Eccyliomphalus, Hallopora onealli, Homotrypa, Monograptus, Monograptus convolutus, Monticulipora, Monticuli- pora (Heterotrypa) o'nealii, Orthostoma. compactus (a, um) — Callograptus, Den- drograptus, Fusispira, Halysites, Halysites agglomeratus, Heterocrinus constrictus, Ohiocrinus, Ohiocrinus constrictus, Ophileta, Platyceras, Sole- nopora, Stromatopora, Subulites, Syringopora. complanatus (a, um) — Aphetoceras, Cla- dopora, Dicellograptus, Lituites, Ophi- leta, Pentamerus, Schizostoma, Strapa- rollus, Whitella. compressus (a, um) — Aulopora precius, Chsetetes, Conchopeltis, Conradella, Ctenodonta, Cyrtolites, Ecculiompha- lus, Eccyliomphalus, Endodesma, Eschara, Heliophrentis alternatum, Megalomus, Monticulipora, Pentame- rella, Pentamerus oblongus, Perono- pora, Phragmoceras hoyi, Phragmolites, Raphistoma, Rhytimya, Ribeiria, Scenella, Sedgwickia, Stictopora, Tellinomya, Whitella. comptus — Lampterocrinus. INDEX OF SPECIFIC NAMES. 1355 concava — Helopora, Modiolopsis. concentricus (a, um) — Ceramopora, Cli- dophorus, Coeloclema, Harpides, Liche- nalia, Modiolopsis, Nucleospira, Nut- tainia, Stromatopora, Trinucleus, Whi- tella, Zygospira. concMdium — Pentamerus . conciliatrix — Pachydictya,Trigonodictya. concinnula — Holopea, Leperditia, Lo- phospira. concinnus (a) — Anodontopsis, Aparchi- tes, Camarotcechia, Cytheropsis, Dalmanella, Dictyonella, Eichwaldia, Eugaster, Eugasterella, Lingulella, Modiolopsis, Obolus, Orthis, Primitia, Protowarthia, Sinuites. concordensis — Discina, Opisthoptera, Strophomena. confertissimum — Cyrtoceras. confertus (a, um) — Dictyonema flabel- liforme, Fenestella, Nematopora, Polypora, Schuchertella, Teratichnus, Vinella radiciformis. confinis — Eunicites. confluens — Ceramopora, Ceraurinus, Es- charopora, Homotrypa, Monotrypella. confusus (a) — Alecto, Halichondrites, Hormotoma, Murchisonia, Proboscina, Stomatopora. congeneris — Bathyurus, Holasaphus. congesta — Atrypa, Camerella, Hyattella, Hyattidina, Triplesia. conglobatus — Cyathocrinites. congregatus (a) — Anoplotheca, Coelospira, Inocaulis, Omphyma, Wingia. c ongruen s — Camarot oechia . conicus (a, um) — Bathyurus, Clathro- epira, Coccocrinus, Cornulites, Cupella- crinites, Cyathophyllum, Cyclonema bilex, Cyrtoceras, Eucalyptocrinites, Eucalyptocrinus, Hybocrinus, Hystri- curus, Orbiculoidea, Orthoceras, Orto- nia, Porocrinus, Prasopora, Ptychopa- ria, Scenella, Schizotreta, Tryblid- ium. conifrons — Illaenus. conjugans — Cupulocrinus, Dendrocrinus . conjunctus — Arthrostylus. conoidale — Cyrtoceras. conoideus (a^ um) — Discosorus, Holopea, Ichthyocrintis, Lophospira, Murchiso- nia, Orthoceras, Prasopora. conradana — Lophospira. 84243°— Bull. 92— vol 2—15 41 conradi — Calymene, Cyrtolites, Dinobo- lus, Lophospira, Lyrodesma, Illsenus, Murchisonia, Obolus, Orthis, Orthis (Dalmanella) subaequata, Pianodema subsequata, Platystrophia cypha, Stro- phomena, Subulites, Trianisites, Tri- merella. consimilaris — Hipparionyx . consimilis — Aulopora, Bellerophon, Be- renicea, Chaetetes, Diastopora, Diasto- porella, Goniophora, Illaanus, Modiolo- psis, Monticulipora, Monticulipora Isevis, Monotrypella. consobrinus — Illaenus. constellariformis — Homotrypa. constellatus (a, um) — Ceriopora, Chaete- tes, Coanostoma, Constellaria, Constel- laria plana, Phaenopora, Stromatopora. constrictostriatum — Cyrtoceras. constrictus (a, um) — Astrocerium, Colpo- mya, Cymatonota, Cyrtoceras, Didymo- graptus, Eucalyptocrinus, Favosites, Graptolithus, Heterocrinus, Homocri- nus, Murchisonia, Ohiocrinus, Oncoce- ras, Phacelopora, Phragmoceras, Pote- rioceras, Primitia, Primitiella, Turri- toma. consuetus (a, um) — Clidophorus, Endo- ceras, Eoharpes, Harpes, Nematopora. contexta (um) — Heteronema, Homotry- pella, Monticulipora. contiguus (a) — Conocephalites, Eccyli- omphalus, Modiolopsis, Prasopora. contortus (a) — Dicranograptus, Eunicites, Stromatopora. contractus (a, um) — Calceocrinus, Cornu- lites, Ctenodonta, Deltacrinus, Leper- ditia balthica, Orthodesma, Orthonota, Tellinomya. conulus — Streptelasma, Zaphrentis. convexorus — ^Uncinulus. convexus (a, um) — Acrotreta, Amphion, Asaphus, Camarotoachia acinus, Cla- throspira, Didymograpsus, Dolichome- topus, Eurymyella, Fusispira, Illsenu- rus, Liospira, Pliomerops, Rhyncho- nella acinus, Rhytimya, Schuchertella, Strophomena, Streptorhynchus, Sym- physurus. convolutus (um) — Bellerophon, Grapto- lithus, Lomatoceras, Monograptus, Mye- lodactylus, Prionotus. convolvans — Barrandeoceras, Lituites. 1356 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. cookana — Walcottia. cooperi — Syringopora . coppingeri — Gypidula, Lomatoceraa con- volutum, Monograptus convolutus, Pentamerus. cora — Crotalocrinus, Cyathocrinus. corallifera (urn)— Atrypa, Dictyonella, Diphyphyllum, Eichwaldia, Orthoce- ras, Stromatopora.. corallinengis— Spirifer (Delthyris), Spir- rifer modestus. c orax — Apatokephalns, Dikelocephalus . corbis — Ichthyocrinus. cordai — Bathyunis, Hystricurus. cordatum — Cyrtoceras. cordieri — Actinoceras, Asaphus. cordiformis — Cypricardites, Cyrtodonta, Palaeocardia, Plethocardia. corifonnis — Cuneamya. corinna — Orthis . corintheum — Cyathophyllum . corinthia — Rhynchonella. cornetti — Stephanocrinus. cornicula (urn)— Calceola, Cyrtoceras, Pe- traia, Piloceras, Streptelasma, Strepto- plasma, Zaphrentis. cornigerus — Illaenus. cornucopise — Bollia. cornulum — Cyrtoceras . comuoryx — Orthoceras, Orygoceras. cornutaforme — Metoptoma, Triblidium. corautus (a, um) — Anomalocystis, Ano- malocystites, Arabellites, Arthroclema, Callicrinus, Chonetes, Conolichas, Cte- nobolbina ciliata, Eucalyptocrinus, Glossograptus, Lichas, Platyceras (Di- aphorostoma) , Strophomena . cornuum — Orthoceras . coronatus (a)— Diagoniella, Eunicites, Protospongia. corporiculus — Platycrinus. corpidenta— Dalmanella, Orthis. corrallinensis — Spirifer crispus. corriganensis— Gypidula (Sieberella) co- eymanensis. corroborates — Merocrinus. corrugatus (a, um) — Avicula, Bellerophon bilobatus, Callicrinus, Conchicolites, Cornulites, Crania, Creseis, Cryptodis- cus, Cupellacrinites, Cupellacrinua, Cyphotrypa, Cyrtotheca, Dermatos- troma, Favosites, Labechia, Leptaena, Marsipocrinus, Modiolopsis, Monotrypa, Nuculites, Orbicula, Pentamerus ob- longus, Proetus, Pterinea, Sinuites corrugatus — continued, cancellata, Stropheodonta, Stropho- mena, Styliola. cortex — Leptotrypa. corticans — Chsetetes, Spatiopora. corticosa — Chasmatopora, Phylloporina, Phyllopora, Subretepora. corticula — Pachydictya fenestelliformis corycoeus — Asaphus, Proetus. corydon — Cyrtoceras. coryphaeus — Asaphus. costalis— Kokenia, Kokenospira, Orthis. costatus (a, um) — Ambonychia, Amphi- coalia (Leptodomus), Anomalodonta, Bucania, Camarella, Crania, Cyrtolites, Dyeria, Orthis, Platystrophia, Sarci- nula, Strophonella, Sphyradoceras, Trochoceras. costulata (um) — Ascoceras, Ascoceraa (Billingsites), Ilionia. covingtonensis — CylindrocceKa, Isotelus, Lingula, Protoscolex. coxii — Calceola. crassibasalis (e) — Dictyonema, Pachyoc- rinus. crassicauda — Illsenus. crassicaulis — Nemagraptus gracilis, Ste- phanograptus . crassicosta — Pentamerus ny&ius. crassimarginatus (a) — Calymene, Proe- tus, Schmidtella. crassimuralis — Monotrypella, Monticuli- pora, Rhombotrypa. era s sinoda — Drepanella . crassiplica — Conchidium. crassiplicata — Cycloccelia, Encuclodema, Plectorthis. crassipuncta — Trematis. crassiradiatum — Conchidium. crassiramus — Inocaulis diffusus. crassirostra — Atrypa. crassisiphonatum — Endoceras, Nartheco- ceras. crassitestus — Diplograptus. crassolaris (e) — Bucania, Tremanotus. era s soradius — Conchidium, Pentamerus . crassus (a, um) — Atactoporella, Bucania, Buthotrephis gracilis, Cactograptus, Cladopora, Coenites, Ctenqjpolbina, Eu- calyptocrinus, Glossina, Goniophora, Heterocrinus, Homotrypella hospitalis, locrinus, Jonesella, Limaria, Lingula, Maclurea, Maclurites, Nematophycus, Nematophyton, Orthis, Pachydictya, INDEX OF SPECIFIC NAMES. 1357 eras sus — continued . Palseoglossa, Platystropjiia, Platystro- phia biforata, Porocrinus, Ptilodictya, Steliella, Stictopora, Streptelasma, Streptoplasma, Vanuxemia. cratera — Astylomanon, Palaeomanon. crateriformis — Lichenocrinus. crawfordi — Orthoceras (Kionoceras). crebescens — Glyptaster occidentalis, Or- tboceras, Protokionoceras. crebriformis — Trematopora (Chsetetes). crebripora — Trematopora. crebriseptum — Actinoceras, Ormoceras, Orthoceras. crebristriatum — Orthoceras. crenatus (a) — Eridonychia, Eucalypto- crinites. crenulatus (a) — Arabellites, Callopora, Calloporina, Cytherina, Cytheropsis, Halloporina, Maclurea, Maclurites, Po- leumita, Polytropis, Stigmatella, Stra- parollus. crepidif onnis — Jonesella, Leperd itia . crevieri — Pleurotomaria. cribriformis — Calapcecia, Columnopora. cribrosa — Fenestella, Stictoporella. crispatus (a) — Dalmanella, Hebertella (Glyptorthis), Orthis, Spirifer (Delthy- ris). crispus (a) — Delthyris, Spirifer, Spirifer (Reticularia) , Terebratula . cristatus (a) — Arabellites, Conokephalina, Cyrtolites, Dicellocephalus, Dikeloce- phalus, Encrinurus, Eunicites, Favosi- tes, Isochilina, Oxydiscus, Primitia. crisjtulata — Zaphrentis. crocus — Cycloceras, Orthoceras. crosotus — Acidaspis, Ceratocephala, Ce- raurus, Odontopleura. crotalifrons — Bathyurus, Hystricurus. crucial! s — Tetragrapsus . cnicifer — Graptolithus, Graptolithus (Mo- noprion), Tetragrapsus. cruciformis — Ptilodictya. Crustacea — Enoploura, Placocystis. crustula — Fistulipora. crustulatus (a) — Chsetetes, Monticulipora. cryptata— Pleurotomaria. crypturus — Asaphus . cucullus — Amphilichas, Lichas, Lichas (Platymetopus). cucurbita — Cruziana. cultrata — Byssonychia. cumberlandensis — Crania granulosa. cumberlandise — Tentaculites niagarensia. cumberlandica — Fenestella, Primitia. cummingsi — Pterygotus . cumulata — Fistuliporella, Monotrypa (Chaetetes), Monticulipora, Nicholson- ella. cuneatus (a, um) — Angellum, Atrypa, Chondrites (Bythotrephis), Clidopho- rus, Cyrtoceras, Cyrtodonta, Endodes- ma, Lingula, Lingulella, Lingulobolus amnis, Maclurea, Maclurina, (Enonites, Plethomytilus, Pyrenomoeus, Rhyn- chonella, Rhynchotreta, Tellinomya, Tellinomya (Palseoneilo). cuneiformis (e) — Clathrograptus, Cteno- donta, Modiolopsis, Orthodesma, Sphe- nolium, Tellinomya. cuniculus — Bumastus, Illaenus. cunulse — Carinaropsis, Phragmostoma. cupressinus — Chondrites, Chondrites(Tri- chochondrites). curdsvillensis — Plectambonites. curiosus (a) — Asaphus, Clisospira, Pte- rinea. curtus (a, um) — Arthronema, Arthrosty- lus, Bythocypris, Corynoides, Coryno- trypa, Ctenobolbina, Ctenobolbina cilia ta, Ctenodonta, Cuneamya, Cypri- cardites, Dendrocrinus, Ischyrodonta, Lingula, Lyonsia, Merocrinus, Modio- lopsis, Octonaria, Orthodesma, Ortho- nota, Pteronitella, Tellinomya. curvatus (a, um) — ^Acrotreta, Ambony- chia, Cameroceras, Encrinus, Homo- trypa, Monticulipora, Orthodesma, Rhi- nopora. curvicameratum — Cyrtor(h)izoceras. curvico stata — Lasiothrix . curvidens — (Enonites. curvilatus — Caryocaris. curvilineatus — Caryocaris. curvistriata — Schuchertella. . cuspidatus (a)— Arabellites, Atrypa, Di- dymograptus, Triplecia, Triplesia. cuvieri (i) — Actinoceras, Conotubularia, Orthoceras. cyane — Glosbina, Lingula, Palseoglo&sa. cyathiformis — Ischadites, Palaeochonia, Palaeospongia, Protospongia, Proto- epongia (Diagoniella), Trachyum. cybele — Bathyurus, Petigurus. cyclonemoides — Pleurotomaria. cyclops — Isotelus. 1358 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. cyclopyge — Agnostus, Lejopyge. cyclostomus (a) — Bucania, Pleurotoma- ria, Strophostylus. cyclus — Orthis. cylindracea — Amplexopora. cylindricus (a, um) — Actinostroma tenui- filatum, Agraulos, Arionellus, Athyris, Atrypa, Beatricea undulata, Bythocy- pris, Bythocypris (Cytherellina), Ca- ryocystites, Clathrodictyon cystosum, Cymatonota, Cytherina, Dendrocrinus, Holocystis, Holocystites, Homocrinus, Homotrypa, Isochilina, Lapworthura, Leperditia, Merista, Meristella (Meri- etina), Orthodesma, Palseocoma, Penta- merus oblongus, Ptychaspis, Taeniaster, Taeniura, Thalamocrinus, Whitfieldella. cylix — Astylomanon cratera. cymbula — Carinaropsis, Orthodesma, Phragmostoma. cypha — Or this, Platystrophia, Platystro- pjiia lynx. cyrtodontoidea — Pterinea. cystata — Dekayella, Dekayia frondosa. cystosa (um) — Clathrodictyon, Stroma- topora. dactioloide s — Lunul ites . dactylioloides — Lunulites dactylodus — Lumbriconereites. dactyl(i)oides — Cerionites, Cyclocrinus, Cyrtoceras, Pasceolus dactylus — Lyriocrinus, Melocrinus, Mar- supiocrinites, Rhodocrinus (Lyriocri- nus). dalei (ii)— Callopora, Chsetetes, Hallopora, Monticulipora, Monticulipora ramosa. dalli— Trimerella. dalmani (i) — Syringopora. danaanum — Clisiophyllum. danse — Dalmania, Dalmanites. danai — Aeidaspia . danbyi — Avicula, Palaeopecten. danielsi — Illsenus. danvillensis — Saccospongia. daphne— Fusispira, Lingula, Straparolli- na, Straparollus, Subulites. dardanus (um) — Cyrtoceras, Cyrtor(h)i- zoceras. darwini (i) — Bathyurus, Cyclocrinus, Kionoceras, Orthoceras, Pasceolus. davidsoni — Orthis, Orthis calligramma, Rhinobolus, Stricklandinia. davisi — Lingula, Lingulella. dawsoni — Dendrograptus, Homalonotus, Homotrypa, Monticulipora, Monticuli- pora (Heterotrypa), Palaeocystites, Pa- Iseosaccus, Phylloporina, Subretepora. daytonensis (e) — Actinoceras, Cyatho- phyllum celator, Hebertella, Illaenua, Orthis, Orthoceras, Strophonella, Za- phrentis celator. debilis — Glossograptus ciliatus, Syringo- pora, Trematopora. decadactylus — Glyptocrtnus, Heterocri- nus. decemplicatus (a)— Delthyrin, Spirifer, Spirifera, Rhynchonella. decipiens — Batostoma, Chsetetes, Dicrano- peltis, Ischyrodonta, Leptsena, Leptella- Lichas, Liospira, Lyellia, CEnonites, Peronopora, Pyrenomoeus, Raphistoma, Vanuxemia. deckerensis — Edmondia, Kloedenia man- liensis, Orthothetes, Rhynchonella, Schuchertella, Stenochisma. declinata — Favosites. declivis — Agnostus acadicus, Bellero- phon, Helicotoma, Modiolodon, Rafi- nesquina, Strophomena. decorus (a, um) — Beyrichia, Cyclonema, Emmelezoe, Eucalyptocrinus, Hypan- thocrinites, Hypanthocrinus. decrescens — Orthoceras. ilecursa — Lophospira . decurta — Murchisonia . decussatus (um) — Conchidium, Dimor- phograptus, Pentamerus. deflecta (um) — Atrypa, Dinorthia (Pise- Biomys), Glossina, Leptaena, Linguja, Orthis, Paleeoglossa, Plaesiomys, Strep- torhynchus, Strophomena, Zygospira. deformata — Archinacella, Crania, Orbi- cula. deformis — Discina, Metoptoma, Orthis, Orthothetes, Schuchertella, Stephano- crintis, Stricklandinia. defrancii — Conotubularia, Orthoceras, Or- thoceratites. deiopeia — Clathrospira, Pleurotomaria. dekayi — Eurypterus. delafieldi — Amphidesma. delatatus — Bellerophon . deleta — Archinacella, Carinopsis. delicatulus (a, um) — Archaeocrinus, By- thopora, Callithamnopsis, Chsetetes, Corynotrypa, Dictyonema, Hippothoa, INDEX OF SPECIFIC NAMES. 1359 delicatulus — continued . Labechia, Monograptus, Monticulipora, Nematopora, Orthis, Protospongia, Ra- finesquina. Scolithus, Stomatopora, Zaphrentia. delphicolum — Hexameroceras, Hexamo- ceras. delphiensis — Orthoceras (Kionoceras) . delphinocephalus — Trimerus. deltoideus (a) — Encrinurus, Leptsena, Streptorhynchus (Strophonella). demissus (a) — Avicula, Colpomya, Fu- coides, Pterinea, (Caritodens). denbowensis — Eurymyella. dendrina — Bythopora, Helopora. . dendrocrinus — Podolithus. densa — Corematocladus. densis eptatum — Cyathophy Hum . dentatus (a, um) — Atrypa, Crania, Cerau- rus, Diplograptus, Fucoides, Grapto- lites, Graptolithus, Orthis, Orthis (Platystrophia) biforata, Rhynchonella, Rhynchotrema. denticula — Ctenobolbina. denticulatus (a, um) — Antliophyllum, Graptolithus, Graptolithus (Monopri- on), Monograptus, Raphistoma, Tetra- grapsus. dentilineatum — Heliophyllum. dentoni — Eoharpes, Harpes. deparcum — Orthoceras. depauperatus (a) — Arges phlyctenoides, Ceratocephala, Corydocephalus, Pleu- rotomaria. depressus (a, um) — Archseocrinus, Cy- • clora, Eucalyptocrinus, Illsenus, Lep- tsena, Maclurea, Maclurites, Modiolop- sis, Ophiletina sublaxa, Platyceras, Proetus, Prosserella modestoides, Reti- cularia (Prosserella) modestoides, Rhynchonella saffordi, Strophomena, Wilsonia eaffordi. derbyi — Lingulops . descriptus — Cypricardites, Cyrtodonta. desertus — Harpides, Nautilus. de shay e sii — Actinoceras . desideratus (a, um) — Archseocrinus, As- traspis, Billingsia, Callicrinus, Cyrto- lites, Elkania, Glossoceras, Oboleila, Obolus (Lingulella), Phragmolites. de smograptoide s — Dicty onema flabelli- forme. desmoides — Dictyonema. desmopleura — Eoorthis, Orthia, Orthis (Plectorthis). de sori — Zaphrentis . desplainensis (e) — Sphyradoceras, Tro- choceras. determinatus — Proetus. devinei — Conocephalites, Dikelocephalus, Ptychoparia. deweyi — Ceratiocaris, Ceratiocaris (Phas- ganocaris), Nereites, Nereograpsus, On- chus. diademata (um) — Blastophycus, Tretas- pis. dianthus — Eurychilina . diapason — Dicranograptus nicholsoni. dice — Billingsella. dichotomus (a, um) — Camarocladia, Diamesopora, Drymotrypa, Hornera, Lithodendron, Orthis, Plectorthis, Protovirgularia, Pseudohornera, Stauro- graptus, Stictopora, Stricklandinia, Subretepora, Thamniscus. dickhauti — Ischadites, Lepidolites, Re- ceptaculites. dicksoni — Agelacrinites, Agelacrinus. dictaeus — Modiolopsis. dictyota — Polypora. dicty s — Cyrtoceras . dicyclicus — Carabocrinus, Strophocrinus. difficilis — Pattersonia, Pleurotomaria, Seelya. diffidens — Loxoceras, Orthoceras. diffisa — Beyrichia. diffluens — Arachnophyllum, Strombodes. diffusus (a) — Callograptus, Dendrograp- tus, Drymotrypa, Inocaulis, Pseudo- hornera, Retepora. dignus — Cypricardites, Cyrtodonta. dilatatus (um) — Cyathophyllum, Cyrto- lites. dilucula — Holopea, Turbo. diminuens — Tellinomya (Palseoneilo) . dinorthis — Orthis calligramma. diops — Calymene . directus — Subulites . discoideus (a) — Amplexopora, Calamo- pora, Chaetetes, Dianulites, Favosites forbesi, Leptotrypa, Lyellia, Mesotry- pa, Monticulipora, Monticulipora (Mo- notrypa), Oboleila, Obolus, Obolua (Lingulella), Plasmopora, Wingia. discreta — Columnaria alveolata. 1360 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. dlsculus — Bellorophon, Oxydiscus. discus (um) — Favosites, Ophileta, Rhom- bodictyon. disjunctus (a) — Cyrtolites, Eccyliopte- rus, Ophileta, Strophostylus cycloato- mus. dispandum — Streptelasma. dispar — Actinopteria, Eophyton, Scoli- thua, Trochonema. disparilis — Atrypa, Atrypina, Ccelospira, Leptocoelia, Orthia, Trematospira. dissimilaris — Cladograpaus, Dicrano- graptus, Diplograptus. dissimilis — Corynotrypa, Frammia, Sto- matopora. dissolutus — Serpulites. distans — Actinoceraa tenuifilum, Araeh- nophyllum (Strombodes) mamillare, Cornulites, Eccyliomphalus, Endoceras, Graptolithns (Prionotus) sedgwickii, Heliolitea subtubulatus, Monograptus, Nemagraptus gracilis, Ormoceras ten- uifilum, Rafinesquina, Tentaculites. distincta (um) — Ceramoporella, Cyatho- phyllum, Huronia. distorta — Carpomanon stellatimsulcatum, Escharina. divaricans — Palseophyllum Streptelas- ma. divaricatus (a) — Buthotrephis, Dicello- graptus, Dicellograptus moffatensis, Dichograptua, Dicranograptus, Didymo- grapaus, Didymograptus, Graptolithus, Helopora, Inocaulis, Rhombopteria divaricata, Sedgwickia, Technophorua, Whiteavesia. divergens — Amphigraptua , Coenograptus (Pleurograptus, Pterograptua), Colum- naria, Dendrograptua, Graptolithus, Hallia Parastrophia, Pentamerus. diversus (a)— Callopora, Clitambonites, Dermatostroma, Orthisina. dividuum — Eridophyllum. divisa— Hallia. dixonensis — Maclurea bigabyi, Macluri- tes bigabyi, Receptaculitea, Subulites, Vanuxemia. dixoni — Orthostrophia, Strophonella. docens — Lioapira, Pleurotomaria. dodgei — Schizambon . dolatus (a) — Lingula, Obolua. dolomlticus (a) — Orthotropia, Sphserocys- titea. donaciformis — Ctenodonta, Nucula, Tel- linomya. doneti — Strophomena . dorsicornis — Leperditella, Leperditia, Primitia. douglassi — Oncoceras. dowlingi — Gyronema . downingise — Phacops, Phacopidella. dresbachense — Cyrtoceras. drummondense— Clathrodictyon. drummondi — Omphyma, Orthoceras. dryope — Eotomaria, Pleurotomaria. dubiaf ormis — Ctenodonta . dubius (a, um) — Ampheristocrinua, Atry- pa, Bathyurus, Calymene, Codylocri- nua, Crania, Ctenobolbina, Ctenodonta, Dendrograptus, Dianulites, Diplotrypa, Gilbertaocrinites, Glossina, Goniophora, Hemitrypa, Homotrypella, Hyolithes, Lampterocrinus, Lichenocrinus, Lin- gula, Lyonsia, Mesoplaeaster, Metopto- ma, Modiolopsis, Monticulipora, Palae- aster, Palaeoglosaa, Periechocrinua, Pe- ronopora, Phyllograptua, Platycolpus, Platycrinua, Protorhyncha, Ptilodic- tya, Pycnosaccus, Reticularia, Rhyn- chonella, Rhynchorthoceras, Spirifor, Stenotheca, Tellinomya, Troostocri- nua. dufresnoyi — Actinoceras. dumalis — Callopora, Hallopora. dumosa — Homotrypa, Stictoporella. dunleithense — Cyrtoceras duplicate (um) — Cameroceras, Endoceras, Gyronema, Primitia, Trochonema. duplicimuratus — Schizambon. duplicostatum — Gyroceras. durhamensis — Eotomaria, Labechia, Mo- nomerella, Pleurotomaria, Poleumita, Polytropis. duryi — Beyrichia, Ctenobolbina. duseri — Orthoceras. dychei — Leptotrypa, Modiolopais, Monti- culipora, Monticulipora (Monotrypa), Prioniodua, Stigmatella. dyeri — Ancistroceraa, Aaaphoidichnua, Conradella, Crania, Cyrtolites, Dendro- crinus, Glyptocrinus, Holocystites, Li- chenocrinus, Orthoceraa, Palseaster, Phragmolites, Poteriocrinites, Promo- palaeaster, Trematia, Trocholitea. eatonensis (e) — Cyrtoceraa (Glyptoceras), Glyptodendron, Trigonodictya. INDEX OF SPECIFIC NAMES. 1361 eatoni — Dikelocephalus, Discoceraa, Li- tuites, Paradoxides, Platycolpus, Stro- matocerium. eboraceus — Dalmanites, Pterygometopus. eccentrica (urn) — Aspidopora, Monticuli- pora, Monticulipora (Heterotrypa), Tro- chonema. echinatus (a)*— Dekayella praenuntia, Eri- dotrypa, Glossograptus, Mesotrypa, Squamaster, Trematopora. e dax — Orthoceras . edgewoodensis — Calvinia, Dalmanella. edmundsi — Chonetes, Whitfieldella. eduliformis — Mytilarca, Streptomytilus. edwardsii— Asaphus. effusa — Primitia mundula. egani — Dimerocrinus, Encrinurus, Endo- ceras, Eucalyptocrinus, Eucalyptocri- nus (Hypanthocrinus), Glyptaster, Mo- nomorella, Periechocrinus, Saccocri- nus, Thysanocrinus. egena — Leperditia hisingeri. ekwanensis (e) — Bronteus, Camarotoe- chia, Goldius, Orthoceras, Trimeralla. elder! — Lingula. eldonensis — Hybocystis. electra — Dalmanella, Orthis. elegans — Apiocystis, Apiocystites, Ara- bellites, Bistramia, Callograptus, Chae- tetes, Conradella, Cyrtolites, Disco- trypa, Fenostella, Helopora, Heliolites, Hercocrinus, Holocystites, Lecanocri- nus, Monograpsus, Monograptus, Mon- ticulipora, Nemagraptus, Nucleospira, Pachydictya, Phragmolites, Plasmo- pora, Pleurocystis, Pleurocystites, Pri- oniodus, Protaster, Pterinea, Pycno- stylus, Sagenella, Strophostylus, Taani- aster, Taxocrinus. elegantulus (a, urn)— Aspidopora, Callo- pora, Conocardium, Dalmanella, En- - crinurus, Hallopora, Leptsena transver- salis, Lingula, Lingula ( Pseud olingula), Orthis, Orthoceras, Ptilodictya, Recep- taculites, Stictopora, Strophomena. elevatus (a, um) — Cyclonema, Eotomaria, Holopea obsoleta, Lophospira, Murchi- Bonia, Scsevogyra, ScaUtes. elginensis— Ceraurus . ella — Cybele, Cybeloides, Cyclocoalia Encuclodema, Orthis, Plectorthis. ellesi — Didymograptua. elle smer elandi — Platyceraa . ellipsiformis — Lingula. ellipticus (a, um) — Aparchites, Avicula, Bathyurus, Bucania, Caryocrinites, Ca- ryocrinus, Cleidophorus, Ctenodonta, Cuneamya, Eucalyptocrinus, Lingula, Orthodesma, Palseaspis, Petigurus, Phragmoceras, Psiloconcha, Pterinea, Receptaculites, Strophomena, Tellino- mya. ellsi— Lingulella, Obolus. elongatus (a, um) — Bumastua, Camarium, Cameroceraa proteiforme, Clidophorus, Closterocrinus, Corynotrypa, Drepa- nella, Endoceras, Endoceras protei- forme, Fusispira, Goniurus, Hallicys- tis, Holopea, Homeospira schucherti, Idiocrinus, Ischadites, Ischyrodonta, Leperditia, Lepidolites, Lingula, Obo- lus (Westonia), Pseudocrinites, Recep- taculites, Stephanocrinus, Stomato- pora, Stomatopora dissimilis, Strepto- rhynchus, Stribalocystis, Strophomena, Strophomena planumbona, Subulites, Subulites (Loxonema). elora — Euomphalopterus, Pleurotomaria, Stromatoporella. eloroidea — Pleurotomaria. elrodi — Acacocrinus, Barrandeoceras, Co- nocardium, Eucalyptocrinus,Gyroceras. emacerata — Actinopteria, Atrypa, Avi- cula, Dalmanella, Dalmanella testudi- naria, Dicranopora, Orthis, Pterinea, Ptilodictya, Rhynchonella. emaciata — Constellaria, Constellaria flor- ida, Ctenobolbina, Ctenobolbina cili- ata, Pachydictya, Strophomena. emarcescens — Ptilodictya expansa. emarginatus (a) — Lichas, Orthis oblata, Rhipidomella. eminula — Lyellia . emma — Cypricardites, Cyrtodonta, Rhy- timya. emmonsi — Bucania, Canadocystis, Cythe- rina, Lesueurilla, Maclurea, Maclurites, Malocystites, Sigmacystis. emoryi — Asaphus, Isotelus, Onchometo- pus. endoceroidea — Cylindrocoalia. ensiformis — Graptolithus, Phsenopora, , Ptilodictya, Retiolites, Trigonograptus. eos — Gomphoceras. epidermata — Bythotrypa, Crepipora, Fa- vositella, Monticulipora. epitome — Eunema, Trochonema. equanensis — Trimerelk. 1362 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. equilatera — Beyrichia, Riberia nuculiti- formis. equiradiata — Atrypa , Rhynchospira . equisetalis — Cladopora. erastusi — Burnastus, Illsenus. erato — Metoptoma, Tryblidium. erectus (a) — Ambonychia, Clidophorus, Clionychia, Crateripora, Dendrograp- tus, Whitfieldella. eriensis — Eurypterus, Spirifer (Deltliy- ris). erigone — Eunema, Trochonema (Eu- nema). eripliyle — Cyathophyllum, Omphyma. erraticus (a, um) — Catazyga, Columnaria, Dendrocrinus, Orthis, Orthoceras (Eu- Orthoceras), Orthonomsea, Zygospira. eruciforme — Eridophyllum. eryx — Cheirurus, Pseud osphaerexochus . escanabiae — Eoharpes, Harpes. escasoni — Lingulella, Obolus, Westonia. escharoide s — Catenipora . estella — Archinacella, Coelocaulus, Me- toptoma, Murchisonia, Tryblidium. etheridgii — Diplograptus . etna — Euconia, Pleurotomaria. eubule — Metoptoma, Tryblidium. eucharis — Glossograptus , Helicotoma, Retiograpsus, Retiograptus. eucheirocrinus — Podolithus. eudocia — Orthis. eudora — Spirifer (Eospirifer). eugenia — Liospira, Pleurotomaria. eugium — Cyrtoceras. euglyphus (a) — Diplograptus, Diplograp- tus (Glyptograptus), Leptsena, Stro- phomena, Strophonella. euodus — Didymograpsus, Didymograp- tua. euorthis — Orthis calligramma, Orthis fla- bellites. eurekensis — Illeenurus, Symphysurus. eurydice — Straparollina, Straparollus. euryone — Cyathophyllum, Orthis. eva — Lingula, Rhynchonella. evadne — Dalmanella, Orthis. evax — Homceospira, Retzia, Rhyncho- spira. everetti — Pachydictya. exactus — Subulitea. excavatus (a) — Ambonychia, Clionychia, Eucalyptocrinus cornutus, Glycerites eulcatus, Lecanocrinus. excedrinus — Encrinurus. excellens — Modiolopsis, Phsenopora, Pti- lodictya, Stictoporella. excelsa — Holopea. excentrica — Crania, Orbicula. excrescens — Cyathospongia. excretus — Favosites. exculptus — Palseaster, Proinopalseaster. exfoliata— Hebertella, Plectorthis. exiguus (a, um) — Atrypa, Bellerophon, Bucania, Clinoceras, Cyrtoceras, Eri- dotrypa, Heliolites, Heterocrinus, Lin- gulella (Lingulepis), Lyellia, Oncoce- ras, Protocrisina, Protozyga, Rhinidic- tya, Spirifer, Stictoporella. exilis (e) — Coenograptus, Dicellograptus sextans, Dicranograptus furcatus, Hete- rocrinus, Homotrypa, Modiolopsis, Nemagraptus, Ohiocrinus, Stenocrinus, Stephanograptus, Trochonema. eximius (um) — Arachnophyllum, Clima- cograptus putillus, Strombodes. exornatus (a, um) — Orthoceras, Pleuro- cystites, Pleurocystites filitextus, Pleu- rocystis. expansus (a, um) — Alveolites, Antho- phyllum, Bathyurellus, Bellerophon, Bucania, Bucanospira, Ceramopora, Chsetetes, Clioderma, Crateripora lin- eata, Dekayia ulrichi, Delthyris, Dic- tyonema, Euomphalus, Meristina, Oncoceras, Orbignyella, Phsenopora, Pter0theca, Ptilodictya, Ptychophyl- lum, Salpingostoma, Streptelasma, Streptoplasma, Whiteavesia. explanator — Piloceras. explanatus (a, um) — Carinaropsis, Cera- Limopora, Ceramopora (Lichenalia), Liouclema, Metoptoma, Nemagraptus, Phsenopora. explicans — Ptilodictya. explorator — Orthoceras . exponens — Conchidium. exporrectus (a) — Anomites, Cyrtia. exserta (um) — Stenotheca, Tryblidium. exsul — Alveolites, Callopora, Lioclema. extans — Asaphus, Atrypa, Bathyurus, Camarella, Streptelasma (Zaphrentitf), Triplecia, Triplesia. extensus (um) — Didymograptus, Euca- lyptocrinites, Eucalyptocrinus, Grap- tolithus, Graptolithua (Monoprion), Tarphyceras. INDEX OF SPECIFIC NAMES. 1363 extenuatus (a, urn)— Didymograpsus, Ectomaria, Ectomaria prisca, Grap- tolithus, Murchisonia, Opisthoptera, Solenospira, Solenospira prisca, Teclmophorus. faba — Colpomya, Leperditia, Lyonsia, Modiolopsis, Nuculites. fabaformis — Modiolopsis. faberi — Agelacrinites, Agelacrinus, Chiro- spongia, Clidophorus, Cyrtoceras, Gom- phoceras, Holocystites, Lepidodiscus, Lichas, Modiolopsis, Orthodesma,0rtho- notella, Palseoconcha, Platycystites, Pyanomya, Rhytimya, Sphenolium, Teclmopliorus. f abius — Agnostus . fabula — Cleidophorus, Clidophorus (Nu- cula), Clidophorus (Nuculites). fabulina — Leperditia hisingeri. fabulites — Cytherina, Leperditia. facetus — Cyathophyllum. f acula — Sceptropora . f airchildi — Euomphalus . f airmountensis — Dalmanella . f alcatus — Eunicites . f alcif ormis — Escharopora, Ptilodictya . falconer! — Glaucocrinus . falesi — Monticulipora, Prasopora. falx — Cyrtoceras, Mselonoceras. f amelicus — Ptilodictya . fanningana (urn) — Ditcecholasma, Dunca- nella, Petraia. farcimen — Gyroceras. farctus — Pachydictya, Ptilodictya. fa'rns worth! — Aphetoceras, Lituites, Tar- phyceras. f arringtoni — Habrocrinus . fasciatus (a) — Cyathocrinus, Hebertella, Hebertella (Schizonema), Hebertella (Schizoramma), Leptsena, Lophospira, Orthis, Orthostrophia (Sch)izoramma, Rafmesquina, Strophomena. fascicularis — Drymopora, Syringopora (Drymopora). fastigiatum — Clathrodictyon. fatua (um) — Trichonema, Trochonema (Eunema). fausta— Hebertella, Ophileta, Orthis. favosa — Calamopora, Favosites. favosideus (a) — Favistella, Favosites. favositif ormis — Parallelopora. favositoidea — Calapcecia. f a vo su s — Favosites . favus — Nidulites. fayettensis — Calymene. feather stonhaughi — Cyrtoceras. fecunda — Ctenodonta, Nucula (Tellino- mya). feildeni — Stropheodonta. fenestelliformis — Pachydictya, Phsenopo- ra, Ptilodictya. fenestratus (a) — Amplexus, Anthaspi- della, Echinocrinites, Echinocrinus, Echinoencrinites, Phylloporina, Rete- pora, Rhinidictya, Stictopora, Subre- tepora, Sulcopora, Tetracystis. f erox — N autilus . f errisi — Metopolichas . ferruginea (um) — Avicula, Cypricardites, Cyrtodonta, Lingulella, Nuculites (Clei- dophorus). fertilis (a) — Batostoma, Batostoma circu- lare, Orthis (Dalmanella). ferum — Orthoceras, Spyroceras. festinata — Camarotcechia. fibrata (um) — Syringopora, Tetradium. fibrosus (a) — Alveolites, Calamopora, Cla- dopora, Hindia, Stenopora. ficellostriata — Homceospira. fidelis — Stictopora. fieldeni — Amplexus, Halysites catenu- laria. filiasa — Amplexopora, Chaetetes, Lepto- trypa, Monotrypa, Monticulipora. filiciformis — Buthotrephis, Chloephycus, Strophostylus. filifonnis (a) — Didymograptus, Ortho- ceras. filiosa — Amplexopora, Monticulipora. filiramus — Dictyonema. filistriatus (a) — Ctenodonta, Rafinesquina winchesterensis, Strophonella, Techno- phorus. filitextus (a, um) — Hemipronites, Lep- taena, Pleurocystis, Pleurotomaria, Streptorhynchus, Strophomena. fillmorensis — Cyrtodonta afnnis, Cyrtoli- tes retrorsus, Lophospira, Primitia, Pri- mitiella. filmorensis — Prasopora insularis. filosus (a, um) — Crania, Cyrtoceras, Cyr- tolites, Dalmanella emarcerata, Obolus, Orbicula, Orbiculoidea, Rauffella, Schi- zocrania, Trematis, Turrilepaa. 1364 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. fimbriatus (a) — Acidaspis, Alepidaster, Aparchites, Ceratocephala, Conradella, Cyrtolites, Glyptocrinus, Klcedenia, Leperditia, Pachydictya, Phaenopora, Phsenopora canadensis, Phragmolites, Protasterina (Protaster), Protasterina, Ptilodictya, Retcocrinus. finalis — Apatokephalus, Dicellocephalus. finei — Palseaster, Mesopalaeaster. finitimus — Cypricardites, Crytodonta. firma — Anthaspidella, Pachydictya. fiscellostriatus — Bellerophon, Bucania. fisclieri — Atops, Constellaria, Triarthrus. fissicosta — Opisthoptera, Orthia, Plec- torthis. fissiplica — Dalmanella, Hebertella (Schi- zonema), Hebertella (Schizoramma), Orthis, Orthostrophia (Schizoramma). fissiplicata — Orthis flabellites. fissistriata — Hebertella (Schizonema), Hebertella (Schizoramma), Orthostro- phia (Schizoramma). fissus — Schizambon. fitchi — Loxonema. fittoni — Calathium. flabella — Atrypa, Orthis, Platystrophia. flabellaris — Homotrypa, Monticulipora. flabellata— Chiloporella, Clathropora, Di- astoporina, Fistulipora, Lasiothrix, Stic- toporella. flabellifer — Brontes, Bronteus, Goldius. flabelliformis (e) — Dictyonema, Fenes- tella, Gorgonia, Rhabdinopora. flabeUites— Orthis. flabellula (um) — Orthis. flabellum — Inocaulis, Licrophycus, Or- this. flaccidus — Graptolithus, Graptolithus (Monoprion), Leptograptus, Mastigo- graptus. flagellifer — Ctenopyge, Leptoplastus, Ole- nus, Sphaerophthalmus. flagellum — Ptilodictya. flanaganensis — Allonychia. flavius — Orthoceras. flemingii — Graptolithus, Monograptua. fletcheri — Chaatetes, Discina, Sphseroph- thalmus. flexilis — Clonograptus, Dichograpsus, Graptolithus, Graptolithus (Dichograp- tus), Grapolithus (Monoprion), Stropho- menes. flexuosus (a) — Alepidaster, Conchicoli- tes, Cornulites, Dendrograptus, Palaao- phycus, Protaster, Protasterina, Ptilo- dictya, Seriatopora, Spirorbis, Sticto- porella, Striatopora, Tentaculites. fiorealis — Amygdalocystis, Amygdalocys- titea. florencevillensis — Isotelus. floridensis — Pleurotomaria. floridus (a, um) — Callopora, Constellaria, Eucalyptocrinites, Lioclema, Nichol- sonella. florif era — Anthas pidella . florif orme — Pty chophyllum . flos — Cyathophyllum, Heliophyllum. fluctuata (um) — Cyclonema, Cyclonema bilex. fluctuosa — Strophomena. fluitans — Dendrograptus. foerstei — Heterotrypa, Mytilarca. foggi — Spirifer (Eospirifer). foliaceus (a) — Ceramopora, Dekayella, Diplograptus, Diprion, Graptolithus, Meekopora, Ptylograpsus, Ptilograptus, Retepora. f oliata — Pachydictya . foliosus — Diplograpsus. folium — Graptolithus, Phyllograptus . follis — Plasmopora. f ontinalis — Dinorthis, Strophomena . forbesi — Beyrichia, Calamopora, Cheiro- crinus, Chirocrinus, Deiphon, Discina, Favosites, Glyptocystites, Lingula, Theca. forcipiformis — Didymograptus. formosus (a, um) — Bathyurellus, Cala- thium, Conularia, Dicranograptus, Helopora, Licrophycus, Nematopora, Orthoceras, Pterinea, Receptaculites, Retzia, Rhynchonella, Rhynchospira, Rhynchotrema, Stenochisma, Trema- tospira, Waldheimia. fornicatus (a) — Actinopteria, Barrandella, Ciorinda, Pentamerus. fornshelli — Glyptocrinus. fosteri — Cyrtoceras, Cyrtorhizoceras, Or-. thoceras. fountainensis — Modiolopsis. foxense — Orthoceras. fracta — Rafinesquina alternata, Stropho- mena, Strophomena alternata. f ragaria — Macronotella . INDEX OF SPECIFIC NAMES. 1365 fragilis (e) — Cyrtoceras, Dicranopora, He- lopora, Nematopora, (Enonites, Onco-' ceras, Ptilodictya, Rhabdaria, Sedg- wickia, Stictopora, Trematis. fragosus — Cypricardites, Vanuexmia. frankfortensis — Bucania, Cyphotrypa, Dolichopterus, Hebertella, Leperditia caecigena, Orthis, Orthoceras (Spyro- ceras). franklinense — Actinostroma, Clathrodic- tyon, Orthoceras. f ranklini — Favistella . fraternus (um) — Bathyurellus, Bellero- phon, Illaenus. fredericus — Eccyliomphalus . fredricki — Pterygometopus . freitana — Dalmanella, Orthis. fringilla — Camarotoechia, Rhynchonella . frobisherensis — Ctenodonta. frobisheri — Cyphaspis, Eurychilina, Pri- mitia. frondifera — Stictoporella. frondosus (a) — Alecto, Aulopora, Callo- pora, Ceramophylla, Chaetetes, Clathro- pora, Dekayia, Dendrograptus, Hallopo- ra, Heterotrypa, Homotrypa, Homotrypa flabellaris, Monticulipora, Monticuli- pora (Peronopora), Proboscina, Phyllo- dictya, Rhinopora, Stomatopora. frontalis — Leperditia. fronticola — Leperditia. fniticosus (a) — Bythopora, Callitham- nopsis, Coenites, Dendrograptus, Didy- mograptus, Graptolitea (Didymograp- sus), Graptolithus, Graptolithus (Mono- prion), Limaria, Oldhamia, Tetragrap- sus, Tetragraptus, Tetragraptus (Bryo- graptus). fucoidea — Rauffella. fulcrata (um) — Ctenobolbina, Ptycho- phyllum. fulgur — Actinoceras, Orthoceras. fultonensis — Cyrtoceras, Dalmanella. funata — Hormotoma, Murchisonia. fungiformis — Astrea, Hexaporites. fungosus (um) — Receptaculites. fungulus — Baryphyllum. funiculus — Palaeophycus. furcatus (a) — Dicranograptus, Grapto- lithua, Prioniodus, Rhabdaria. furcifer (um) — Cruziana, Dictyonema. furcillatus — Calceocrinus, Castocrinus, Didymograpsus murchisoni, Didymo- graptus. f urtivum — Orthoceras , Protocycloceraa . fusibrachiatus — Macrostylocrinus. fusiformis (e) — Chsetetes, Lioclemella, Monticulipora, Orthoceras. fustiformis — Sceptropora. futilis (e) — Dalmanella, Dalmanella tes- tudinaria, Oncoceras, Orthis. gaine si — Cyathaxonia . galba — Agnostus, Arthrorachia. galeatus (a) — Atrypa, Gypidula, Penta- merus, Sieberella. galenensis (e)— Cyphaspis, Haploconus, Lingula riciniformis, Lingulasma. galtensis (e) — Coenostroma, Eotomaria, Euomphalus, Ilionia, Obolellina, Obo- lus, Pleurotomaria, Prolucina, Rhyno- bolus, Stromatopora. gamma — Asaphus . ganti (i) — Cypricardites, Cyrtodonta, Mo- diolodon, Strophonella. gaspensis — Favosites. gaspiensis — Stricklandia, Stricklandinia. gattingeri — Conularia. gebhardi — Apiocystites , Lepocrinites , Lepocrinus. geinitzanus — Clathrograptus, Ptilograp- tus, Reteograptus, Retiograptus. gelasinosa — Homotrypa, Monticulipora. gemelliparum — Endoceras. geminus — Didymograpsus. gemma — Acrotreta. gemmatus — Chaunograptus. gemmeus — Rhaphanocrinus. gemmicula — Orthidium, Orthis. gemmiferum — Heliophyllum. gemmiformis — Pisocrinus, Stephanocri- nus. gemmulus (a) — Cystiphyllum, Leptobo- lus, Obolella. geniculatus (a, um) — Brachyprion, Di- cranograptus spinifer, Heterocrinus, Stenocrinus, Stropheodonta, Stropho- donta, Strophonella, Strophoprion. geometricus — Carabocrinus, Goniograp- tus, Streptelasma, Strep tclasmacalicula. georgiee — Conchidium. germanus (a, um) — Aristophycua ramo- sum, Cypricardites, Cyrtodonta gran- dis, Dinorthis meedsi, Glyptocrimis shafferi, Leperditella, Leperditia, Orthis meedsi, Orthis (Dalmanella) meedsi, Pycnocrinus. geronticui (a) — Spirifer (Eospirifer), Stro- phomena planumbona. 1366 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. gesneri — Endodesma, Modiolopsis. gibbera — Cyrtodonta, Leperditia, Leper-' ditia hisingeri, Primitia. gibberosum — Ascoceras. gibberulus (a) — Ctenodonta, Didymo- graptus, Didymograptua (laograptus), Dolichometopus, Isograptus. gibbosus (a, um) — Arabellites, Atrypa, Ctenodonta, Dalmanella, Dictyonella, Eichwaldia, Eucalyptocrinites, Euca- lyptocrinua, Eurystomites, Leptaena, Lingula, Lyonsia, Oncoceras, Orthis, Orthis subaequata, Pianodema subae- quata, Plectambonites, Pyanomya, Spirifer, Spirifer (Eospirifer), Stropho- mena, Tellinomya, Trilobites Vanux- emia. gibbus — Modiolodon . giganteus (a, um) — Anomalodonta, Cama- rotoechia, Cyrtoceras, Cryptozoon, Eu- rypterus, Homalonotus, Leperditia, Murchisonia, Pachydictya. gigas — Asaphus, Asaphus (Isotelus), As- trea, Isotelus, Rhodocrinus, Strom- bodes. gilberti — Trimeroceras . gilpeni — Stropheodonta, Strophomena. girardeauensis — Cyphaspis. glabellus (a) — Cypricardites, Cyrtodonta, Pisocrinus. glaber (ra) — Homotrypa, Leperditella, Leptaena, Lyellia, Plectambonites, Pri- mitia, Propora, Sarcinula (Porites), Triarthrus. glacialis — Camarotoechia, Rhynchonella, Shumardia. gladiola — Ptilodictya. glandicephalus — Bathyurus, Bathyurus (Bathyurellus). glans — Gomphocystites. glaucus — Ceraurus (Nieszkowskia), Chei- rurus, Orthoceras. glenelgensis — Rosenella. globata — Stigmatella. globicaudatus — Pterygotus. globiceps — Pterygotus (Erettopterus) . globosus (a) — Bumastus, Caryocrinites, Caryocrinus, Cyathocrinites, Cyatho- crinus, Cyclocrinus, Holocystites, Illse- nus, Menocephalus, Monotrypa, Pasce- olus, Peronosporites, Rhombodictyon, Rhynchospira, Trematospira, Triacri- nus, Waldheimia, Wilsonia, Zopho- crinus. globularis (e) — Bellerophon, Lioclema, Receptaculites, Sinuitea, Sphaerocya- tites, Stromatotrypa. globulosus (a) — Gypidula, Pentamerus. glomeratus (a)— Clathropora, Sphaerococ- cites, Stictopora. glypta (um)— Dermatostroma, Orthia. goldfussi (i) — Calamopora, Columnaria, Conotubtilaria, Cyathophyllum, Eu- calyptocrinites, Eucalyptocr'inus, Favosites, Lyopora, Orthoceras, Symphysurus. goliath — Cyathophyllum. goniata — Ceratocephala. goniocercus — Asaphus, Megalaspia. goniumbonata — Whitella. goniurus — Asaphus, Megalaspis. gonopleura — Pleurotomaria . goodhuensis — Caltopora, Hallopora, Hor- motoma gracilis. goodlandensis — Eatonia. goodnovi — Sphserocoryphe. goodridgii— Dalmanites, Pterygometopua. gorbyi — Bellerophon, Cyphocrinus, Euca- lyptocrinus, Holocystites, Myelodac- tylus, Orthoceras, Periechocrinua, Pisocrinus, Saccocrinus, Striatopora, Stribalocystites. gordoni — Aparchites, Pseudocrinites, Un- cinulus. gorgonea — Helicotoma . gothlandicus (a, um) — Calamopora, Coral- lium, Favosites. grabaui — Callograptus. gracia — Holopea. gracilens — Hormotoma, Murchisonia. gracilis (a) — Acervularia, Actinoceras, Aphyllostylus, Area, Astrseophyllum, Batostomella, Buthotrephis, Bythopora, Bythotrephis, Calymene, Catenipora, Chaetetes, Chasmatopora, Cheirocrinua logani, Cladograpsus, Clathropora, Coenograptus, Conularia, Cornulitea flexuosus, Cornulitea clintoni, Cory- noides, Crania, Cyathophyllum, Cyclo- nema, Cyrtoceras, Dendrocrinus, Den- drograptus, Dictyonema, Didymograp- tus, Discosorus, Eunicites, Fenestella, Fucoides, Graptolitea (Didymograptua), Graptolithus, Glyptocystites, Glypto- cystites logani, Halysitea catenulatus, Helicograptus, Heterocrinus, Homo- crinua, Homotrypella, Hormoceraa, Hormotoma, Isochilina, Leperditia, INDEX OF SPECIFIC NAMES. 1367 gracilis — continued . Monograptus, Monticulipora, Monticu- lipora meeki, Monticulipora (Hetero- trypa), Murchisonia, Nemagraptus, Nereites, Nereograpsus, Ormoceras, Piloceras, Poterioceras, Poteriocrinites, Poteriocrinus, Reteocrinus, Retepora, Stephanograptus, Strombodes, Subrete- pora, Subulites, Triplecia. gracilissimus (m) — Plumulites, Turrile- pas. gracillimus (m) — Chondrites, Chondrites (Trichochondrites), Dendrograptus, Ma&tigograptus, P&ilophytum. graftonensis (e) — Bumastus, Discoceras, Illaenus, Lituites. grahami — Ptilodicty a . graminifolia — Stictopora. grandseva — Billingsella, Orthisina. grandis (e) — Anthaspidella, Byssonychia, Ceratiocaris, Conradella, Cypricardites, Cyrtodonta, Dichotrypa, Dictyonema, Didymograptus nitidus, Ectenocrinus, Eu&arcus, Heterocrinus simplex, Ho- lopea, Homotrypa, Illaenus, Isochilina, Leperditia, Leptobolus, Lingulella laevis, Lyrodesma, Monticulipora, Orthodesma, Parabolina, Parabolina heres, Prasopora, Psiloconcha, Ptery- gotus (Erettopterus), Rhinidictya, Stenaster, Trimerella, Urasterella. gran dulo sum — Carpomanon. granilabiatus — Aparchites, Leperditia. granilineatum — Cystiphyllum. granistriata — Chasmatopora, Phyllopo- rina, Protowarthia, Sinuites. granosa — Eurychilina, Helicotoma, Nern- atopora. grant! (i) — Acanthograpsus, Acanthograp- tus, Astroconia, Aulocopina, Butho- trephis, Bythocypris, Callograptus, Eoharpes, Harpes, Inocaulis, Lingulops, Mesopalaeaster, Odontocaulis, Palaeaster. granulatus (a, urn) — Caryocrinites, Chala- zodes, Conularia, Cystaster, Haplocri- nites, Haplocrinus, Hemicystis, Hemi- cystites, Symbathocrinus, Synbatho- crinites, Synbathocrinus, Trematopora. granuliferus (a) — Alepidaster, Batosto- mella, Chsetetes, Homotrypella, Monti- culipora (Fistulipora), Protaster, Ret- zia, Retzia (Trematospira), Rhombo- pora, Tseniaster, Trematopora, Trema- tospira. granulosus (a, uin) — Amplexopora, Alveolites, Arachnophyllum, Beyri- chia, Calymmene callicephala, Cerau- rus, Crania, Crepicephalua (Loganel- lus), Fenestella, Macrostylocrinus, Macrostylocrinua striatus, Mariacrinus, Palaeaster, Pisocrinus, Promopalseaster, Ptilodictya, Ptychoparia, Shumardia. graptolithinum — Dictyonema. grayi (i) — Atrypa, Streptis, Terebratula. greenei (ii) — Anisocrinus, Chonophyllum, Conchidium, Lecanocrinus, Monomo- rella, Parastrophia. gregalis — Modiolopsis. gregarius (a, urn) — Astylospongia, Butho- trephis, Conchicolites, Cyclocrinus, Dendrocrinus, Hindia, Isochilina, Mi- crospongia, Monograptus, Nidulites, Orthoceras, Pasceolus, Petigopora, Pleurotomaria, Primitia. gregwa — Obolus (Lingulepis). grenvillensis (e) — Rusophycus, Rusich- nites. guelphensis — Holopea, Pycnostylus. guelphica — Hermatostroma, Leperditia balthica, Leperditia phaseolus, Lophos- pira, Murchisonia. gurleyi — Dicellograptus. gyracanthus — ^Asaphellus, Echinus, Ten- taculites. gyrinus — Holocystites. gyroceras — Eccyliomphalus, Euompha- lus. haesitans — Orthoceras. hageri — Cyclonema, Orthoceras. haguei — Crepicephalus (Loganellus), Li- ostracus, Ptychoparia. hainesi — Cypricardites, Ortonella. halei — Eotomaria, Euomphalopterus, Pleurotomaria, Trochonema. hallanus (m) — Orthoceras, Strep torhyn- chus. halleanus — Cyrtoceras. halli (i) — Acidaspis, Amphilichas, Am- p^x, Asaphus, Beyrichia, Bollia, Bu- cania, Buthotrephis, Calceocrinus, Ceratocephala, Chasmatopora, Colum- naria, Crania, Cyclocrinus, Cyclocys- toides, Cypricardites, Cyrtodonta, Dal- nianites, Deltacrinus, Dimerocrinus, Fistulipora, Gomphoceras, Gonioceras, Harknia, Kloedenella, Lichas, Lon- chodomus, Odontopleura, Pasceolus, Phylloporina, Plectoceras, Pleuroto- 1368 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. halli — continued . maria, Raphistoma, Rhodocrinus, Sce- nidium, Skenidium, Strophomena, Trematopora, Trochoceras, Thysano- crinus. halliana (um) — Anthocystis, Cyclonema, Cyrtoceras, Favosites, Zitteloceras. hallie — Streptorhynchus, Strophomena. halysitoides — Tetradium. hamatus — Arabellites. hamburgensis — Ctenodonta, Dalmanella, Orthis, Tellinomya. hammelli — Allocystites, Beyrichia, Cary- ocrinites, Caryocrinus, Ctenobolbina, Ctenobolbina ciliata, Holocystites, Lo- phospira, Murchisonia, Orthoceras (Dawsonoceras), Stephanocrinus, Trem- atocystis. hamptoni — Pentacrinites . handwerki — Phacops, Proetus. hanoverensis (e) — Lichas, Orthoceras (Euorthoceras), Strophomena, Stropho- mena (Orthothetes). harinensis — Spirifer. harlani — Arthrophycus, Fucoides. harmonia — Holopea. harpa — Holopea, Straparollina. harperi — Orthoceras. harpya — Pleurotomaria. liarrietta — Cypricardites, Cyrtodonta. harrisi — Arctinurus, Bumastus, Callopo- rella, Compsocrinus, Glyptocrinus, He- lopora, Illsenus, Isotelus, Lichas, Lichas (Platynotus), Mariacrinus, Palseaster, Stenaster. hart(t)i (i) — Conocephalites, Dicelloce- phalus, Dikelocephalus, Halysites cate- nularia, Halysites catenulatus, Orbicu- loidea. hartley! — Jaekelocystis, Mesomphalus . hartnageli — Ptilograptus . hartsvillensis — Ctenodonta, Tellinomya. hastatus (um) — Ampyx (Lonchodomus), Orthoceras, Tripteroceras. haynianus (a) — Cypricardites, Cyrto- donta. headi — Athyris, Catazyga, Chiastoclo- nella, Glassia, Graptolithus, Graptoli- thus (Loganograptus), Tetragrapsus, Tetragraptus. • hearsti — Actinoceras. hector — Phragmoceras. hecuba — Strophomena. helderbergiee — Bellerophon, Columnaria, Favosites. helena — Liospira, Pleurotomaria, Rhyn- chospira, Trematospira. helicites— Platyschisma, Trochus. helicteres — Lophospira, Murchisonia. heliophylloides— Cylindrohelium. hemiaster — Streptorhynchus. hemiplicatus (a) — Anastrophia, Atrypa, Camarella, Parastrophia, Pentamerus. hemisphericus (a, um)— Alveolites, Ano- plotheca, Atrypa, Ccelospira, Crepipora, Euomphalus, Fistulipora, Haplocrini- tes, Ischadites, Lecanocrinus, Lepto- coelia, Monotrypa undulata, Monticuli- pora undulata, Platycrinus, Platyosto- ma, Receptaculites, Straparollus, The- costegites. hennepini — Cameroceras, Endoceras. Henrietta — Orthoceras. hepaticus — Odontocaulis. herculaneus — Homalonotus, Orthoceras. hercules — Cyrtoceras, Gyroceras, Hallo- ceras, Halloceras (Ophidioceras), Lito- ceras, Lituites, Nautilus, Orthoceras, Protophragmoceras . hercyna — Murchisonia, Pleurotomaria. here s — Parabolina . hermione— Avicula, Lophospira, Murchi- sonia, Pleurotomaria, Prolobella. hero — Prasopora. hero s — Streptoceras . herricki — Illsenus . hertz eri — Cyrtoceras, Gomophoceras, Hexameroceras, Hexamoceras. herzeri — Columnaria, Cyathaxonia, Kio- nelasma, Lindstrcemia. hespelerensis — Lophospira, Murchisonia. heterocostalis — Cupulocrinus, Scyphocri- nus. heterodactylus — Heterocrinus, Stenocri- nus. heterophyllus — Fucoides. hexabrachiatus — Dichograptus. hexagonalis — Leptotrypa, Pachydictya. hexagonus — Caryocrinites, Caryocrinus. hexaporites — Dianulites petropolitanus. hieroglyphicus — Diabolocrinus. higginsportensis — Strophomena. hilli — Ctenodonta, Escharopora, Ptilodic- tya, Tellinomya. hiltonensis — Licrophycus. hincksii — Asaphus. INDEX OF SPECIFIC NAMES. 1369 hindei — Arabellites, Orthoceras, Stroma- topora. hindi (i) — Astropolithon, Cypricardites, Cyrtodonta, Stephanella, Stromatopora, Whitella. hippolyta — Straparollus. hippolyte — Orthis. hir suta — Atactopora . hisingeri — Conocephalites, CytLerina, Dictyonema,Dikelocephalus,Favosites, Leperditia, Lisania. hispidus (a) — Acanthodictya, Favosites. historicum — Eunema, Gyronema. hitzi — Cyrtoceras, Orthoceras (Ormoce- ras). hoff manni — Cy clora . holbrooki — Agelacrinites, Agelacrinus. holiensis — Dalmanella. holopifonnis — Acanthonema. holstoni — Orthis. homalono toide s — Asaphus , Isoteloides . homfrayi — Asaphellus, Asaphus, Asaphus (Isotelus). homolostriata — Stropheodonta demissa. honeymani — Avicula, Pterinea. horani — Acidaspis, Ceratocephala. horridus — Glossograptus ciliatus. hortensia — Pleurotomaria, Raphistoma. ho skin s oni — Streptelasma . hospitaiis — Homotrypella, Monticulipora, Prasopora, Prasopora selwynii. houghtoni — Cyrtoceras. ho veyi — Brachiospongia . howardi — Cyrtoceras, Habrocrinus, Perie- chocrinus, Saccocrinus, Zophocrinus. howleyi — Lingula. hoyi — Orthoceras, Phragmoceras, Pleuro- tomaria, Pleurotomaria (Trochonema). hoyti — Pelagiella, Platyceras. hubbardi — Holopea. hudsoni — Ceraurus, Conularia, Endoce- ras, Holopea, Trochonema. hudsonicus (a, um) — Camarotrechia, Cau- nopora, Conularia, Cyphaspis, Diplo- grapsus, Endoceras, Poleumita, Stro- matopora. humboldti (i)— Orthis. humerosum — Cyclonema. humilis (e) — Batostoma, Cyclonema, Cu- pulocrinus, Dendrocrinus, Diaphoro- stoma, Lophospira, Murchisonia, Palce- acmaea, Rhinidictya. hunterensis — Pleurotomaria, Polygyrata . huntingtonensis — Oriostoma. huntingtoni — Amygdalocystites. hurlbuti — Lingula (Glossina), Palaeoglossa. huron(i)ensis (e) — Apiocystites, Brocko- cystis, Calapcecia, Cyclocystoides, Cy- pricardites, Cyrtoceras, Cyrtodonta, Cystiphyllum, Labechia, Lingula, On- coceras, Orthis, Orthoceras, Stenopora, Striatopora, Stromato'cerium, Stropho- mena concordensis, Syringolites, Syrin- gopora, Tetradium, Trematis, Trochus. huronica (um) — Dania, Diphyphyllum, Eridophyllum, Houghtonia. huttoni — Asaphus, Basilicus, Ptycho- huxleyi — Anomalocystites, Ateleocysti- tes, Atelocystites, Stenastcr, Uraste- hyale— Charionella, Murchisonia, Pletho- spira, Pleurotomaria, Whitfieldella. hybrida — Orthis, Rhipidomella. hydei — Callicrinus, Ceraunis, Cheirurus, Cryptodiscus. hydraidicus (a, um)— Camarotoechia, Cy- athophyllum, Orthothetes, Rhyncho- nella, Schuchertella, Streptorhynchus. hypniformis — Graptolithus (Diplograp- tus). hyrie — Metoptoma, Tryblidium. hystrix — Glossograptus, Trichospongia. icarus — Ceraurinus, Ceraurus, Ceraurus (Eccoptochile), Cheirurus. ida — Acidaspis, Billingsia, Elkania, Obo- lella. idahoensis — Acrotreta. idia — Pleurotomaria. ignicula — Orthis . ignota (um)— Dalmanella, Dalmanella testudinaria, Orthis, Orthoceras, Ortho- ceras (Euorthoceras). ilicifolius — Phyllograptus. illaenoides — Asaphus, Smyphysurus. illinoisensis — Ambonychia, Cyclocys- toides, Dalmanites, Diaphorostoma, Le- perditia, Lingulops, Odontopleura, Pon- tocypris, Rhynchotrema. imago — Apiocystites, Hallicystis. imbecilis — Strophomena. imbrex — Rafinesquina, Strophomena. imbricatoarticulata — Astylospongia, Si- phonia. imbricatus (a, um)— Atrypa, Bucania, Byssonychia, Ceramopora, Coaloclema, Conradella, Cyrtolites, Helopora, Or- thoceras, Phragmolites, Salpingostoma. 1370 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. immaturus (a, um) — Conocardium, Cor- nulites, Diaphorostoma niagarensis, Di- merocrinus, Homceospira, Idiocrinus, Raphistoma, Rhodocrinus, Thysano- crinus. imperator — Bumastus, Eurystomites, He- bertella, Illsenus, Litiiites, Orthis. imperfectum — Batostoma, Hemiphragma, Monticulipora. implicata (um) — Batostoma, Chsetetes, Monticulipora, Monticulipora (Hetero- trypa). impolita — Anolotichia, Crepipora. impressa — Atrypa, Crepipora, Primitia. impudica — Buthotrephis. insequabile — Cameroceras, Endoceras, Suecoceras. % inaequalis — Acervularia, Calceocrinus, Castocrinus, Cladograpsus, Columnaria, Cremacrinus, Cyathophyllum, Dicra- nograptus, Heterocrinus, Hindia, Kraus- ella, Octonaria, (Enonites, Prismato- phyllum, Zaphrentis. insequivalvis (e) — Rhynchotrema, Spiri- fer. incarinatum — Straparollus. incepta (um) — Chasmatopora, Cycloceras, Fenestella, Orthoceras, Phylloporina, Polypora, Retepora, Spatiopora lineata, Spatiopora maculosa, Subretepora. incertus (a) — Columnaria, Didymograp- tus, Fletcheria, Holopea, Illsenus, Mo- notrypa, Orthonota, Strombodes. incipiens — Phaenopora, Trochoceras. incisolobata — Astylospongia, Caryoma- non, Spongia. incisus (a) — Diplograptus foliaceus, Le- canocrinus, Primitia mundula. inclinata — Zaphrentis. inclusa — Ceramoporella. incognita — N elimenia . incomptus (a) — Hudsonaster, Monticuli- pora, Palseaster, Schmidtella. incondita — Ceramopora. inconspectus — Eucalyptocrinus. inconstans — Spirifer, Vanuxemia. incontroversa — Callopora, Hallopora. incrassata — Leptaena, Paleschara, Rafm- esquina, Strophomena. increbescens — Atrypa, . Hemithiris, Rhynchonella, Rhynchotrema. incrastans — Ceramopora, Stenopora, Stig- matella. incurvata — Orthis, Producta, Strophome- na. incurvus (a, um) — Anomalocrinus, Ar- chinacella instabilis, Cornulites, Cystiphyllum, Distacodus, Eurychilina reticulata, Heterocrinus, Hybocrinus (Anomalocrinus), Machairodus, Tenta- culites. indagator — Orthoceras. indentus (a) — Conularia, Didymograpsus, Didymograptus, Graptolithus (Mono- prion), Pleurotomaria. indeterminatus — Bumastus, Illsenus. indianensis (e) — Ascoceras, Barrandeo- crinus, Calceocrinus, Camarotoechia, Caryocrinites, Caryocrinus, Cylicocri- nus, Cyrtoceras, Deltacrinus, Empero- crinus, Encrinurus, Gomphoceras, Gomphocystites, Holocystites, Macro- etylocrinus, Rhynchonella, Stromato- pora, Tryblidium*. inexpectans — Conokephalina, Dicelloce- phalus, Pleurotomaria. inexpectatus — Dicellocephalus. infelix — Actinoceras, Calathium (Zitte- lella), Megistocrinus, Orthoceras, Perie- chocrinus, Saccocrinus. inferior — Petalocrinus. infida — Diplotrypa, Mesotrypa. inflatus (a, um) — Alecto, Balanocrinus, Corynotrypa, Ctenodonta, Cupell93cri- nites, Cyclonema, Cypricardinia, Cypri- cardites, Fusispira, Hippothoa, Lampte- rocrinus, Leperditia, Leperditella, Nu- culites, Orthis, Orthis acutilirata, Pla- tystrophia, Platystrophia acutilirata, Stomatopora, Strophostylus, Subulites, Tellinomya, Tuberculopora. inflecta — Actinostroma, Actinostroma tenuifilatum, Dekayia, Heterotrypa, Heterotrypa ulrichi, Monticulipora. inflexus — Periechocrinus, Saccocrinua (Megistocrinus). informis — Cyphotrypa, Leptotrypa. infrequens — Coeloclema, Conularia, Ilor- motoma, Murchisonia, O^nonites, Tre- matopora. infundibularius (a) — Lamellopora,-Strom- bodes. infundibuliformis (e) — Gorgonia, Sidc- mina. infundibulum (a) — Cyrtoceras, Cystosty- lus>, Syringopora. INDEX OF SPECIFIC NAMES. 1371 ingaili — Bathy urus . ingens — Carcinosoma, Lingula. initialis — Beyrichia, Kloedenia. inordinata — Heliolites, Porites. inoraatus (a, urn) — Alveolites, Astylo- epongia, Camarella, Chicagocrinus, Cyr- tolites (Microceras), Dimerocrinus, Eu- calyptocrinus, Euomphalus, Gazacri- nus, Glyptaster, Lingula, Placentula, Psiloconcha, Lyrodesma, Microceras, Spirorbis, Thysanocrinus, Trochonema. ino scula — Zittelella . inquassa — Rafinesquina, minnesotensis, Strophomena. insculptus (a) — Caryocrinites, Hebertella (Glyptothis), Orthis. insectif orxnis — Cryptograptus tricornis . insignis (e) — Aspidoceras, Bumastus, Ce- raurus, Holopea, Homotrypa, Homo- trypa subramosa, Illsenus, Isochilina amiana, Leptobolus, Litoceras, Trocho- ceras. insolens — Dinorthis carleyi, Dystacto- gpongia, Litoceras, Nautilus, Stroma- topora. insolitum — Streptelasma . insperatus — Glyptocrinus . instabilis — Archinacella, Homotrypella, Metoptoma, Pachydictya bifurcata, Tryblidium. insueta (um) — Atactoporella, Avicula, Bodmania, Pterinea, Vanuxemia dixo- nensis. insularis (e) — Amphion, Bronteus, Cyp- ricardites, Cyrtodonta, Endoceras, Goldius, Ischadites, Lingula, Monti- culipora, Ormoceras, Pliomerops, Prasopora, Receptaculites. intabulata — Monotry pa . integritabulatus — Favosites favosus. integumentum — Diphyphyllum, Diplo- phyllum. intercalaris — Homotrypa. intercellata — Homotrypa wortheni. intermedius (a, um) — Ambonychia, Atac- topora, Athyris, Atrypa, Atrypina, Beatricea nodulifera, Buthotrephis gracilis, Byssonychia, Ceratopsis, Cla- thropora, Clathropora frondosa, Cte- nodonta, Cyclocrinus, Cyphaspis, Cyrtodonta grandis, Dalmanites, Dendrograptus gracillimum, Fusispira, Graptolithus, Isochilina, Leptocoalia, Lyrodesma acuminatum, Merista, Mesopalseaster, Monograptus, Nidulitee, 84243°— Bull. 92— vol 2—15 42 intermedius — continued . Oncoceras, Pasceolus, Pterygometopus, Rhynchotreta, Stictoporella angularis, Tellmomya, ^Tiitfieldella. internascens — Anastrophia. interne striatus (um) — Discoceras, Litui- tes, Trocholites. internodia — Dicranopora, Ptilodictya. interplicatus (a)— Anastrophia, Atrypa, Orthis, Pentamerus. interporo sa — Batostomella , Ceramopo- rella, Stigmatella. interruptum — Cyathophyllum. interstincta — Heliolites, Madrepora, Pa- laeopora, Stictoporella. interstriatus (a) — Orthis, Orthothetes, Schuchertella. intertexta (um) — Actinostroma, Zaphren- tis. intertrium — Cyathophyllum. interventa — Columnaria alveolata. intextus (a) — Bellerophon, Bucania. intortus— Dicellograpsus, Dicellograptus, Ecculiomphalus, Eccyliomphalus, Sac- cophycus. intralobatus — Straparollus. intricatus — Desmograptus. inutilis — Diplograptus. invaginatum — Ptychophyllum. invenusta — Leptaena gibbosa. iole — Lingula, Lingulella. ione — Streptotrochus . iowensis — Asaphus (Isotelus), Cardium, Coleolus, Cybeloides, Cypricardites, Ischadites, Isotelus, Lingula, Lingu- lella, Receptaculites, Receptaculites (Ischadites), Selenoides, Spatipora. ioxus — Bumastus, Illsenus. iphgenia — Ctenodonta, Dinorthis, Orthis, Plaesiomys, Tellinomya. iphis — Obolus (Westonia). ipomoea — Ptychophyllum. ir en e — Lingul a . iris — Lingula, Lingulella. irrasa (um)— Batostoma, Hemiphragma. irregularis (e) — Alveolites, Anisocrinus, Ceramopora, Ceramoporella, Chsetetes, Cythere, Cytheropsis, Cyrtoceras, Dic- tyonema, Fungispongia, Helopora, Lep- totrypa, Monotrypa, Monticulipora, Orthoceras, Palaeacmaea, Paljeophycus, Stigmatella, Strepula, Tentaculites, Trematopora. irvinensis— Zaphrentis intertexta. 1372 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. islandicus — Cypricardites. isodactylus — Heterocrinus. isodorus — Cyrtoceras, Cyrtorizoceras. isotelea — Brongniartia. ithacensis — Strophomena. jacksoni — Nereites, Nereograpsus. jacobus — Isotelus. jamesi (i) — Allonycliia, Ambonychia, Ba- tostoma, Chaetetes, Cyclopora, Lepido- coleus, Megambonia, Monticulipora, Monticulipora (Heterotrypa), Orthis, Orthoceras, Palseaster, Palaeasterina, Petraster, Plectorthis, Plumulites, Spy- roceras. janea — Rhynchonella. janesvillensis — Cyrtodonta. janus — Streptoceras. jason — Nautilus, Plectoceras. jerseyensis — Chonetes, Ctenodonta, Eu- rychilina, Kloedenia, Liostracus, Mo- diolopsis, Ptychopyge, Solenopleura. Jessica — Lophospira, Murchisonia. jewetti (i) — Callocystis, Callocystites, Cu- pulocrinus, Dendrocrinus. jillsoni — Ampyx. johannensis — Clitambonites, Eoorthis, Orthis (Plectorthis), Orthisina. johnstoni — Bathyurus. jolietensis (e) — Holocystites, Orthoceras. jonesi — Isochilina, Leperditia. josephiana — Leperditia, Leperditia cana- densis, Leperditia fabulites. juglans— Caryospongia. jugosa — Dalmanella, Orthis. jukesi (i)— Amphilichas, Lichas (Platy- metopus). juUa— Athyris, Leptsena, Meristella, Stro- phomena, Whitfieldella. Julius — Amphion, Pliomerops. junceum — Orthoceras. junciformis — Cannopora. junctum — Amplexus. junia— Athyris, Hyattella, Hyattidina congesta. junior (ius) — Orthoceras (Euorthoceras). juniperanus — Ccenites. juvenalis— Cyrtoceras. juvenis — Heterocrinus, Pterygotue cobbi, Stenocrinus, Zaphrentis intertexta. kagawongensis— Rhy timya . kalmi — Eccliopterus, Eccyliomphalus. kankakensis— Austinella, Orthis, Plec- torthis. kassubae — Orthis. kay s eri — Eotomaria . keelei — Actinodictyon . keewatinensis (e) — Actinoceras, Phaeno- pora. keithi — Ceratopea . kelloggi — Eurystomites, Nautilus. kemptotheca — Climacograptus. kennicotti — Orthis. kentlandensis — Orthoceras (Kionoceras). kentonensis — Actinomya, Whiteavesia. kentuck(i)ensis — Arthropora, Calceocri- nus, Castocrinus, Caryocrinites, Caryo- crinus,Cupulocrinus jewetti, Monticuli- pora, Porocrinus, Zygospira, Zygospira modesta. kentuckyensis — Isochilina, Ptilodictya, Salpingostoma buelli. kerbyi — Cyrtoceras . keyserensis — Clidochirus, Dalmanites, Rensselaeria, Strophonella, Uncinulus, Zaphrentis. kingi — Monomorella, Rafmesquina, Stro- phomena. kingstonensis — Lingula, Nanno. kirbyi — Cyrtoceras, Ooceras. kjerulfi — Bryograptus, Dichograptus, Lo- ganograptus. klcedeni — Beyrichia . knappi — Conchidium, Pentamerus. knighti (i) — Conchidium, Pentamerus. knotti — Gypidula, Heterospongia, Hetero- spongia subramosa, Pentamerus. knoxensis — Archaeocrinus. knoxvillensis — Lophospira, Maclurea, Maclurites, Trochonema. kcenigii — Ischadites. kokomoensis — Eurypterus, Eurypterus (Onychopterus), Favosites pyriforme, Klcedenia, Rhynchonella, Wilsonia. kruegeri — Cryptolithus, Trinucleus. kummeli — Beyrichia, Kloedenia. labechei — Alveolites. labecula — Ceramopora, Ceramopora (Berenicea). labeculosa — Spatiopora. labellosa — Isochilina, Leperditella. labiatus (um) — Maclurea, Phragmoceras, Raphistoma, Straparollus. labiosa — Eotomaria, Halliella. labrosa — Isochilina, Leperditia canaden- 6is, Pleurotomaria. labyrinthicus (a) — Catenipora, Girvanella, Halysites catenulatus, Ptilodictya, Stictopora, Streptospongia. INDEX OF SPECIFIC NAMES. 1373 lachutense — Cryptozoon. laciniata — Diplograpsus. laciniosuin — Platyceras. lacunosus — Archaeocrinus, Glyptocrinus. lacustris — Eurypterus. leelia — Crania. laeviramus — Chaetetes. Isevis (e) — Amygdalocystites florealis, Atrypa, Brachiospongia, Cleiocrinus, Ctenocrinus, Cryptonymus, Cupella- crinites, Cupellacrinus, Cyrtocrinus, Dalmanella electra, Encrinurus Euca- lyptogrinites, Eucalyptocrinus, Euca- lyptocrinus cselatus, Graptolithus, Ich- thyocrinus, Lecanocrinus, Lingulella, Melocrinus, Merista, Meristella, Monti- culipora, Monticulipora consimilis, Monticulipora hospitalis, Orthis electra, Orthoceras, Phycograptus, Protaxo- crinus, Rhynchonella, Rhynchonella (Stenoschisma), Strophomena, Taxo- crinus, Whitfieldella. laeviusculus — Ampyx, Ampyx (Loncho- domas). lajensis — Bathyurus. lamarcki (i) — Orthoceras, Protocycloce- ras. Iambi (i) — Gonioceras, Plasmopora, Trip- toceras, Tripteroceras. lamellata — Atrypa, Camarotoechia, Lin- gula, Rhynchonella. laniellosa (urn) — Ambonychia, Avicula, Clionychia, Cypricardinia, Cyrtoceras, Cyrtodonta, Discina, Hyattella, Hyattidina, Monticulipora, Orbicula, Orbiculoidea, Orbignyella, Orthidium, Orthis, Orthoceras, Tubipora. laminata (um) — Callopora, Coenites, Fis- tulipora, Limaria, Lioclema, Milleria, Nicholsonella. lamottensis (e) — Agraulos, Sao, Stroma- tocerium. lanceolatus (a) — Mesopalseaster, Nereites, Nereograptus, Ptilodictya, Ptilodictya americana. lanii — Pterinea. lanosus (um) — Trichophycus. laphami — Bronteus, Eotomaria, Goldius, Murchisonia, Orthoceras, Pleurotoma- ria, Turritoma. lapicida — Raphistoma. lapilla — Wingia. lapwoithi — Bryograptus. laqueatus (a, um) — Cladopora, Conchidi- um, Conularia, Kionoceras, Orthoceras, Pentamerus. lara— Athyris, Atrypa, Whitfieldella. larrabeei — Pterygometopus. larvata — Helicotoma, Liospira, Stropho- mena. latasulcata — Ilebertella. lateralis (e) — Cyrtoceras, Syntrophia, Triplesia. latiannulatum — Orthoceras. latiaxiatus — Illaenus. latibrachiatus — Cupulocrinus, Dendro- crinus. laticaulis — Climacograptua caudatus. laticinctus (a) — Omospira, Ormospira, Scalites. laticorrugata — ^Atrypa. laticosta — Orthis, Platystrophia, Platys- trophia biforata, Platystrophia lynx. laticostata (um) — Opisthoptera, Orthis, Orthis (Platystrophia) biforata, Rhyn- chonella insequivalvis, Rhynchotrema inaequivalvis. laticurvatum — Cyrtoceras. latidorsata — Illaenus. latifasciata — Murchisonia. latifolius — Sphenothallus. latifrons — Dolichopterus. latimarginatus (a) — Asaphus, Eurychi- lina, Isochilina grandis, Primitia, Proetus. latior — Diplograptus, Plectorthis equiv- alvis. latiplicata — Parastrophia. latiscula — Petraia. latisculptilis — Brachyprion, Stropheo- donta. latisinus — Zaphrentis. latispiralis — Helicopora. latissimus — Ogygies. lativentrum — Cameroceras, Endoceras, Ooceras. lativia — Primitia. latonummulatum — Actinoceras. latus(a, um) — Agnostus, Beyrichia, Bollia, Ctenodonta, Cyclonema bilix, Cypri- cardites, Dicranopora, Isotelus, Lepto- plastus, Modiolopsis, Orthoceras Acti- noceras), Palsearca, Parabolina heres, Protichnites, Rafinesquina, Rhinidic- tya, Strophomena, Tellinomya, Tro- chonema umbilicatum. 1374 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. latusculum — Petraia, Streptelasma. laurentina — Billingsella, Orthis, Pleuro- tomaria, Raphistoma. lavinia— Holopea. laxatus (a) — Amplexus, Bythotrypa, Fa- vistella, Fistulipora, Pterinea, Schu- chertia. laxiplicatus (a) — Strophonella. laxus (a, um) — Acanthonema, Butho- graptus, Diplograptus, Heterocrinus, Homocrinus, Ohiocrinus, Spirorbis. lecythium — Astylomanon cratera. leda — Brachyprion, Loxonema, Rafines- quina, Stropheodonta, Strophomena. legoensis — Conchidium. leidyi — Amphicoelia, Leptodomus. leightoni — Camarotoechia, Modiolopsis. leiosoma— Holopea. leiosomellum — Raphistoma. lemontensis-^Habrocrinus. lenior — Cymatonota. lens— Atrypa, Callopora, Fistulipora, Lin- gula, Lingulella, Monticulipora, Obo- lus, Stricklandinia. lenticularis (e)— Anomites, Camarella, Eoorthis, Orthis, Orusia, Parastrophia, Pleurotomaria, Prasopora, Raphistoma, Rhipidomella, Trochus. lentiformis — Atrypa. lentus (m) — Bryograptus, Orthoceras, Tet- ragraptus (Etagraptus). leperditioides — Primitia, Primitia logani. lepida — Rhynchotreta, Tellinomya (Nu- cula). lepidodendroides — Orthoceras. lepis — Leptobolus, Lingulella. leptsenoidea— Orthis. leptonota (um) — Avicula, Eunema, Gyro- nema. leptorhachis— Proetus. lesleyi — Monocraterion . lesquereuxi — Buthotrepis, Bythotrephis. lesueuri — Cycloceras. leucothea — Cypricardites, Cyrtodonta. levatus (a, um)— Ctenodonta, Leda, Nu- cula, Ophileta, Schizostoma, Strapa- rollus, Tellinomya. le vigata — Strophomenes . levis — Bathyurus. levisensis — Acrothele. lewistonense — Raphistoma. libanus (a)— Batostoma, Cleiocrinus, Es- charopora, Glyptocrinus, Homotrypa, Pfilodictya, Stenopora. libertatis — Cryptozoon. lichenoides — Cladopora, Stromatopora. ligarius— Cyrtoceras. lilliformis — Dlmerocrinus, Rhodocrinu?, Thysanocrinus. limaeformis — Avicula, Limoptera. limatoidea — Euomphalus alatus. lima tula — Leperditia. limatus (um)— Cyclonema (Holopea), Chaetetes frond osus. limbatus (a)— Bumastus, Ctenodonta, Pri- mitia, Primitiella, Stylonurus, Yanux- emia. ^ limitaris (e) — Constellaria, Dianulites, Diplotrypa, Escharopora, Lingula, Stel- lipora, Streptelasma (Zaphrentis). limitis — Olenus (Parabolinella). limulurus— Asaphus, Dalmania, Dalman- ities, Phacops. linares — Homalonotus, Trimenis. lindahli — Eucalyptocrinus. lindenensis — Camarotoechia, Conchi- dium. lindsleyi — Pellerophon, Bucania. lindstroemii — Bythocypris. linearis — Cladograpsus, Cladograptus, Ccelidiuni, Coelocaulus, Ccenograptus (Pleurograptus), Dendrograpsus, Fu- coides, Gomphoceras, Murchisonia, Ne- magraptus exilis, Pleurograpsus, Pleu- rograptus. lineatus (a, um)— Clathrodictyon cysto- sum, Crateripora, Cystiphyllum, Helo- pora, Lingula, Protichnites, Spatio- pora. lineolatum — Endoceras proteiforme, Or- thoceras, Phragmoceras. lineopora — Helopora. lingualis — Remople urid es . linguatus — Remopleurides, Remopleu- rides (Caphyra). lingulatus (a) — Eusarcus, Lingula. lingulifera — Lindstroamia. linneyi — Leperditia, Orthis, Orthorhyn- chula. liqnensis — Hemigyraspis, Ogygia. liratus (a, um) — Bellerophon (Bucania), Clisiospira (Onchocheilus), Clisospira, Gyronema, Lophospira (Seelya), Mur- chisonia, Spirifer, Stricklandinia, Tro- chonema. litchfieldensis — Camarotoschia, Rhyn- chonella. litoralis — Modiolopsis. INDEX OF SPECIFIC NAMES. 1375 litoreus (a) — Bathyurellus, Pleurotoma- ria. littoni — Conchidium, Pentamerus. lituiformis — Calaurops, Eccyliomphalus. lobata — Ctenopyge, Dekayia ulrichi, Lep- toplastus, Zittelella. lockei — Scliizambon . lockportensis — Dimerocrinus, Fistulipora, Glyptaster (Eucrinus). locuJosum — Cyrtoceras . logananus — Protichnites. logani — Beyrichia, Cheirocrinus, Cliiro- crinus, Coelocaulus, Ctenodonta, Dai- mania, Dichograpsus, Dichograptus, Glyptocystis, Glyptocystites, Grapto- lites (Didymograptus), Graptolithus (Logan ograptus), Graptolithus (Mono- prion), Isoarca, Loganellus, Logano- graptus, Maclurea, Maclurites, Murchi- eonia, Olenus, Primitia, Ptychoparia, Tellinomya. lonensis — Hebertella, Orthis, Pleuroto- maria. longaevis — Isotelus . longibrachiatus — Palseaster. longicaudatus — Diplograptus, Drepan op- terus. longiceps — Eusarcus . longidactylus — Dendrocrinus. longirostris (a) — Camarella. longispinus (a) — Bathyurus, Callicrinus, ClimacogTaptus bicornis. longispira — Coelocaulus, Murchisonia. longissimus (m) — Endoceras, Orthoceras, Serpulites, Vaginoceras. longiuscula — Ribeiria. longula — E urychilina , Pachyd omella . Ibngus (a) — Conularia, Ctenodonta, Eu- rymyella shaleri, Halliella seminulum, Modiolopsis, Petalocrinus, Tellinomya. loomisii — Nereites, Nereograpsus. loperi — Obolus. loricatus — Caryocrinites . loricula — Orthis, Plsesiomys. loringi — Phyllograptus . lorrainensis — Ctenod onta . loucki,ana — Leperditia, Leperditia cana- densis, Leperditia fabulites. louisvillensis — Alveolites, Cystiphyllum, Eridophyllum, Favosites, Michelinia, .Stricklandinia. lovelandensis — Spirorbis. lowl— Actinodictyon, Boreaster, Rhyn- chospira. loxia s — Orthoceras . loxorhytis— Rafinesquina alternata, Stro- phomena alternata. lucasi — Prosserella, Reticularia. lucillum — Cyrtoceras . luculentus (a) — Cyrtodonta grandis, Cyp- ricardites. ludlowensis (e) — Orthoceras, Stromato- pora. lunatifera— Strepula, Tetradella. lunatus (a) — Arabellites, Bronteus, Coe- nites, Dalmanella, Goldius, Orthis, Stromatopora. Junulata— Rhytimya, Sedgwickia. luthei— Cyrtoceras. lycoperdon— Chsetetes, Favosites, Monti- culipora, Prasopora, Stenopora. lycopodites — Chsetetes, Favosites. lycus — Oncoceras, Orthoceras. lyelli — Lingula. lyncioides — Eoorthis (Orusia) lenticula- ris, Orthis lenticularis, Orusia lenticu- laris. lynx— Delthyris, Orthis, Platystrophia, Platystrophia biforata, Spirifer biforata, Terebratula. lyoni (i) — Actinoceras, Brachiospongia, Ormoceras. lysander — Cyrtoceras. macastyensis — Triarthrus becki. maccombi — Lioclemella . maccoyamis — Ceratiocaris . maccoyi — Niobe. macdonaldi — Tarphyceras. macer (ra) — Bellerophon, Drepanella, Le- perditiella, Leperditia, Maclurea cras- sa, Maclurites crassa, Oxydiscus, Stro- pheodonta, Strophomena, Tetranota. machseriformis — Nucula, Tellinomya. macleodi — Dalmanella, Orthis. maclurii — Euomphalus. macrior — Orthis. macrocheirus — Dolichopterus. macrodictyum — Desmograptus. macrolineatus (a) — Euomphalus, Poleu- mita. macropetalus — Lecanocrinus . macrophthalmus (a) — Calymene, Ptery- gotus. macrophora — Cladopora . macropleums — Spirifer. macropora — Nematopora, Trematopora (Trachypora). macrops — Nileus . 1376 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. macrospira — Coelidium, Ccelocaulus, Mur- chisonia. macrostoma (um) — Cyrtoceras, Monilo- pora. macrostylus (a)— Heliolites, Labechia. macrotlieca — Leptograptus. mactrscformis — Ctenodonta, Nucula. maculata — Atactopora, Dekayia, Escha- ropora, Fistulipora neglecta, Lepto- trypa, Lichenalia concentrica, Monticu- lipora, Paleschara, Ptilodictya, Spatio- pora. maculosa — Amplexopora, Crepicephalus (Loganellus), Ptychoparia, Spatiopora, Strotospongia. madisonensis (e) — Ctenodonta, Cyrtoce- rina, Dystactospongia, Entomis, Holo- cystites, Trochonema, Tryblidium. inadisonianus — Illaenus. maera — Lingulella, Lingulepis, Obolus. magister — Cyrtoceraa, Endoceras. magnaplicata — Cyrtina . magnicardinalis — Rhipidomella. magnificus (a) — Anthaspidella, Aspidoce- ras, Cleiocrinus, Climacograptua typi- calis, Conularia, Cupellaecrinites, Cu- pellsecrinus, Dicellocephalus, Dikelo- cephalus, Dinobolus, Gaurocrinus, Gy- roceras, Hungaia, Lituites, Marsipocri- nus, Obolellina, Palseaster, Promopalse- aster, Ptilodictya, Remopleurides, Re- teocrinus, Scenella. magnipora — Pachy dictya . magnisulcatum — Kionoceras, Orthoceras. magniventra (um) — Endoceras, Holopea. magnopora — Batostoma, Callopora, Hallo- pora, Orbignyella. magnus (a, um) — Actinoceras richardsoni, Cyclocystoides, Cyrtolites, Dekayia, Eucalyptocrinus, Heliophrentis alter- natum, Hughmilleria, Loxonema, Mac- lurea, Maclurites, Monotrypa, Oncoce- ras, Oxydiscus, Phsenopora, Protaraea, Protoscolex, Stictopora, Straparollus. maia — Modiolopsis . major — Camarotcechia, Cleidophorus. Cys- tiphorolites, Dalmanella electra, Euni- cites, Favositea cristatus, Gazacrinus, Hormotoma, Lyrodesma, Murchisonia, (Enonites, Orthis electra, Petalocrinus, Sphserocoryphe, Stictopora mutabilis, Thecia, Vesicularia. malvernius — Conocephalus . mamillatus (a) — Calymene, Calymmene, Strombodes. mamma ta — Primitia . mammif erum — Leptopoterion . mammillanum — Dystactophycus. ma(m)miUaris (e)— Arachnophyllum, As- trea, Columnaria, Receptaculites, Strombodes. mammillata — Stromatopora . mammillosa — Monticulipora. mammulatus (a)— Anthaspidella, Chsete- tes, Heterotrypa, Monticulipora, Steno- pora. manitobensis (e) — Batostoma, Cyrtoce- ras, Eurychilina, Maclurea, Maclurina. manliu s — Lepocrinites . manli(us ) ensis — Klceden ia . manitouensis — Schizambon . manitoulinensis — Rosenella. manitoulini — Villatotheca. manniensis — Platymerella, Rhychotre- ma, Rhynchotrema capax. mansonii — Atiypa, Rhynchonella. mantelli — Lingula . manticula — Lingula, Lingulella. maquoketa — Pentamerus oblongus. maquoketensis — Sphserocoryphe . marcidus — Cryptograptus, Diplograptus, Graptolithus. marcouanus — ^Megistocrinus, Periechocri- nus, Saccorinus. marcoui — Cameroceras, Endoceras, Sue- coceras, Zaphrentis. marcyae — Gomphoceras . margaritoide s — Pleurotomaria . marginalis — Asaphus, Atrypa, Basilicus, Clionychia, Cyrtoceras, Terebratula. marginatus (a) — Archaeocrinus, Bathyu- rellus, Beyrichia, Ceraurinus, Dicra- nella, Glyptocrinus, Helicotoma, Le- perditia, Lingula, Placentula. maria — Athyris, Eurypterus, Hebertella, Meristina, Meristella, Orthis, Whit- fieldia. maritimum — Cystiphyllum . markoei — Cyrtoceras. mariana — Parabolinopsis. maro — Orthoceras, Spyroceras. mars — Cheirurus, Nieszkowskia. marshi (i)— Discoceras, Lituites. marylandica (um)— Ceratopora, Cyatho-. phyllum, Fistuliporella, Schuchertella. massiense— Cyrtoceraa. INDEX OF SPECIFIC NAMES. 1377 matacensis — Megalaspis . matheri — Pty choparia . matinalis — Lingulella, Lingulepis, Obo- lus. matthewsoni — Trematospira. matutinus (a, um) — Actinostroma, Aste- rias, Coelaster, Cyphaspis, Hudsonaster, Maclurea, Maclurites, Palseaster, Stra- parollus. mawii — Pontocypris . maximus (a) — Ambonychia, Asaphus, Ca- larnopora, Favosites, Haplocrinites, Haplocrinus, Isotelus. maynar di — Fistuliporella . maysvillensis — Batostoma, Strophomena. mccharlesii — Trochoceras. mcchesneyanus — Clidophorus. mcconnelli — Hemigyraspis. mccoyi — Barrandia, Cyrtoceras, Dolicho- metopus, Niobe. meafordensis — Tseniaster. meandrina — Catenipora, Halysites. meconideus — Caryocrinites. media — Dalmanella elegantula, Orthis, Rliipidomella, Vanuxemta. medialis — Corynotrypa, Ctenodonta, Cy- clonema, Lophospira, Murchisonia, Primitia. mediocardinalis — Cycloconcha. mediocris — Cyclonema, Goniophora, Holopea. medon — Orthoceras. medullare — Kionoceras, Orthoceras, Pro- tokionoceras meedsi — Dinorthis, Orthis. meekanus — Ceraurus, Eccoptochile. meeki — Actinocrinus, Bythopora, Caly- mene, Chaetetes, Dalmanella, Dalma- nella testudijiaria, Dicranopora, Endy- mion, Endymionia, Helopora, Homo- trypella, Macrostylocrinus, Monticuli- pora, Orthis, Orthoceras. megalops — Conokephalina, Dicelloce- phalus, Dikellocephalus, Eurypterus, Isotelus. megalopthalmus — Asaphus. megambonus(a) — Cypricardites,Whitella. megastomus (a) — Heliolites. megistos (us) — Asaphus, Isotelus. melaniaformis — Hormotoma, Murchko- nia. melissa — Lyriocrinus, Metoptoma, Rho- docrinus, Stricklandinia. melita — Leptaena melocactus — Boliviana. membranacea (um) — Berenicea, Platy- ceras, Sagenella. menapiae — Orthis. menelaus — Orthoceras. menis — Cladopora. meniscus — Astrseospongia, Blumenbach- ium, Lecanocrinus. mensurans — Dicellograptus. mercerensis — Glyptocrinus, Pleurocys- tis, Pleurocystites. inercurius — Ceraurus (Cyrtometopus), Cheirurus, Cyrtocerina, Pseudosphse- rexochus. meridional e — Spyroceras . merops — Orthis, Scenidimn. mesicosta — Leptsena, Rafinesquina. mesistria — Rafinesquina mesicosta. meta — Cyrtia, Dalmania, Pterygometo- pus, Spirifer. metellus — Cyrtoceras, Moelonoceras. metissicus (a, um) — Chondrites, Hyalos- telia, Pyritonema. meyeri — Modiolopsis . miamiensis — Alepidaster, Anorthaster, Compsocrinus, Cuneamya, Glyptocri- nus, Palseaster, Protaster. mica-r-Rhynchonella, Zygospira. michelini — Catenipora, Cyathophyllum. michiganense — ^Meristospira, Stromato- cerium. michleranus — Eccyliopterus, Euompha- lus. mickleborougni — Orthodesma, Rhy- timya. microbasilis — Archaeocrinus, Rhodocri- nus, Thysanocrinus. microfundulus — Syringopora. microlathrata (um) — Gyronema, Holopea. micronema — Bucania . micronematodes — Calyptograpsus, Calyp- tograptus. microphthalmus — Eurypterus. micropleurus — Asaphus. micropora — Chilotrypa, Halysites cate- nularia, Halysites catenulatus, Helio- lites. microps — Calymene, Pterygometopus. microscopium — Cyrtoceras. microstigma — Heterotrypa. micula — Liospira, Pleurotomaria, Pri- mitia, Raphistoma, Siphonotreta. 1378 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. milesi — Clonograptus, Dichograpsus, Dichograptus, Graptolithus, Grapto- lithus (Monoprion). milfordensis— Callopora, Ceramoporella granulosa, Monticulipora (Fistulipora). militaris— Orthis flabellites. miUepuncfatus (a)— Aparchites, Leper- ditia, Trematis. milleranus — Ceraurus. milleri — Anodontopsis, Bumastus, Cy- cloconcha, Diplotrypa, Hudsonaster, Illsenus, Loxoceras, Mesotrypa, Modio- lopsis, Modiolopsis (Colpomya), Murchi- sonia, Orthoceras, Orthodontiscus, Pe- ronopora, Primitia. milliganse (i) — Caryocrinites, Caryocri- nus, Dimerocrinus, Eucalyptocrinus, Gazacrinus, Glyptaster, Pisocrinus, Thysanocrinus. millionensis — Strophomena. minganensis (a) — Amphilichas, Archse- ocyathus, Archseoscyphia, Barrandeoce- ras, Bathyurus, Ethmophyllum, Lichas, Orthoceras, Petraia, Platymetopus. minima (um) — Amplexopora eeptosa, Carinaropsis, Chonetes, Columnaria alveolata, Ctenodonta, Cyclostomiceras, Dystactospongia, Fistuliporella, Gom- phoceras, Leptotrypa, Lingula, .Ma- clurea, Maclurites, Nucula, Ortho- desma, Protorthis, Psiloconcha, Rhini- dictya, Straparollina, Streptelasma, Stromatocerium canadense, Tellino- mya, Zygospira. minna — Orthis . minneapolis — Cyrtoceras, Cyrtorizoceras, Orthis, Productella. minnesotensis (e) — Arenicolites, Batos- toma, Berenicea, Bucania, Conchopcl- tis, Cryptozoon, Cylindrocoelia, Cypri- cardites, Eoharpes, Euomphalus, Har- pina, Homotrypa, Illsenus (Nileus), Leptsena, Lingula, Lophospira augus- tina, Oncoceras, Orthis, Orthoceras, Orthodesma, Plectambonites, Probos- cina, Psiloconcha, Rafinesquina, Ra- phistoma, Rhynchonella, Rhyncho- trema, Scolithus, Siphonotreta, Strapa- rollus, Strophomena. minor (us) — Bathyurellus, Ceramoporella granulosa, Conchicolites, Cornulites, Cyclocystoides, Cyclonema, Cylindro- ccelia, Cyrtolites ornatus, Cystiphoro- lites, Dystactospongia, Eridotrypa aedi- minor (us) — continued. lis, Eridotrypa mutabilis, Eurymyella shaleri, Gazacrinus, Lichenaria, Licro- phycus, Lingulella, Lingulella starri, Ortonia, Pholidops trentonensis, Spiri- fer (Delthyris) vanuxemi, Stictopora mutabilis, Stomatopora, Streptorhyn- chus, Strophomena, Tetradium, Tetra- dium fibratum, Tetranota bidorsata, Thecia, Trimerella, Vesicularia. minora — Labechia. minuens — H uronia. minusculus — Trocholites. niinutissinius (a, uni) — Aparchites, Cala- mopora, Euomphalus, Leperditia, Le- perditia (Isochilina), Microceras, Pela- giella, Platyceras, Primitia. minutula — Crania, Schizotreta. minutus (a, um) — Calamopora, Callo- graptus, Clathrodictyon vesiculosum, Chaetetes, Coleoprion, Conocephalites, Creseis, Cyclora, Cyrtodonta, Discoli- tes, Ectomaria, Eugyrichnites, Holopea, Lingulella, Lingulepis, Linnarsson- ella, Murchisonia, Nematopora, Nucula, Obolella, Pftronosporites, Primitia, Ptychoparia, Scolithus, Solenospira, Solenospira compacta, Stromatopora, Stromatoporella elora, Styliola, Tentac- ulites, Trematopora, Trematopora (Trachypora), Whitfieldella. mirabilis (e) — Anaphragma, Caunopora, Petalocrinus. mirus (a, um) — Capellina, Cryptonymus, Cybele, Cybeloides, Encrinurus, Gom- phoceras, Pentameroceras, Sphserexo- chus. miseneri — Anoptera, Ceraurus, Cypricar- dites, Ischyrodonta. . miser (a) — Bellerophon, Helicotoma, Pleurotomaria. missisquoi — Cyrtoceras, Dikelocephalus, Ectomaria, Murchisonia, Pleurotoma- ria, Solenospira. mississippiensis — Climacograptus. missouriensis — Orthis, Schuchertella, Schuchertella convexa, Stribalocystis. mitellum — Heliophyllum. modestoides — Prosserella, Reticularia. modestus (a, um) — Atrypa, Climacograp- tus, Cypricardites, Dalmanella, Den- drocrinus, Lingula, Liospira, Lopho- spira, Murchisonia, Orthoceras, Raphi- stomina, Reticularia, Rhinidictya min- INDEX OF SPECIFIC NAMES. 1379 modestus — continued . ima, Rhynchonella, Saffordia, Spiri- fer, Spirifer (Delthyris), Strophomena, Stylonurus, Tryblidium. modiolaris — Cypricardia, Cypricardites, Modiolopsis, Pterinea. modioliformis — Actinomya, Modiolopsis, Ischyrodonta, Whiteavesia. mohawkensis — Murchi sonia, Pleurotoma ria. mohri — Bellerophon, Orthoceras. molesta — Monticulipora, Monticulipora (Peronopora), Monticulipora mammu- lata. mollisonensis — Obolus. moniliferum — Stromatocerium. moniliformis (e) — Actinocrinites, Actino- crinus, Loxoceras, Orniathichnus, Or- moceras, Orthoceras, Periechocrinus. monodon — Dawsonia. mononema — Protospongia . monroensis — Kloedenia, Pterygotus. monroicum — Conocardium. montaguensis — Kloedenia. montanensis — Clarkella, Polytcechia. montifera — Eurydictya, Homotrypa min- nesotensis, Labechia, Spatiopora, Stro- matocerium. montrealensis (e) — Cyclonema, Endoce- ras, Metoptoma, Orthoceras, Scenella, Trematis, Yanuxemia. montuo sum — Batostoma . moodeyi — Beyrichia. moorei — Holasaphus, Lepadocrinus, Le- padocystis, Meekocystis, Schizolopha. moosensis — Linguelella. mopsus — Euoinphalus, Straparollus. morgani — Leperditia. moritura — Platystrophia, Platy&trophia lynx. morrisi— Asaphus. morrowensis — Bellerophon, Orthis, Pla- tystrophia, Protowarthia. morsel (ii) — Lingula, Lingulepis. morsensis — Lingulepis. mortoni — S pirula . mosia — Lingula, Lingulella. mucronatus (a) — Diplograpsus, Diplo- graptus, Graptolithus, Helopora, Lasio- graptus, Rafinesquina. multibracliiatus — Clematograptus. multicameratus (a, urn) — Cyrtoceras, Or- thoceras, Tarphyceras. nmlticaulis (e)— Diphyphyllum, Syrin- gopora. multico status (a, um) — Calymmene, Con- chidium, Discoceras, Lituites, Penta- merus, Trocholites. multicostus (a, um) — Calymene, Clitam- bonites, Syntrophia. multifasciatus — Amphigraptus, Clemato- graptus, Graptolithus, Graptolithus (Monoprion), Sphaerocystis, Sphsero- cystites multifasciculatus — Graptolithus. multifida — Eschara, Phsenopora, Sticto- pora. multiformis — Thamnograptus multigranosa — Atactopora, Atactoporella. multigruma — Lophospria, Murchisonia . multilamellosa — Streptoplasma. multilineatum — Orthoceratites , Orthoce- ras, Platystoma niagarense. multilirata — Stricklandinia. multinotatus — Protichnites. multipartitum — Petalichnus. multiplicata (um) — Cyathophyllum, Cy- clocoelia sordida, Encuclodema sordida, Parastrophia, Plectorthis eordida. multiporata — Homotrypella multiporus (a, um) — Callocystis, Clado- pora, Dekayella praenuntia, Eurydic- tya, Favosites, Fistulipora,Glyptocystis, Glyptocystites, Lioclema, Phsenopora. multipuncta — Conularia. multipunctata — Crania. multiradiata — Columnaria. multiramis — Ptilodictya. multiramosus — Bryograptus. multisecta — Dalmanella, Dalmanella testudinaria, Orthis, Orthis emacerata. multisegmentatus — Amphion, Encrinu- rus. multiseptarius — Ecculiomphalus, Eccy- liomphalus. multiseptum — Orthoceras. multiseriata — Cladopora. multispinosus (a) — Amplexopora, De- kayia, Stylonurus (Ctenopterus). multispinus — ^Acanthograptus. multistriata — Atrypa marginalis, Clitam- bonites, Rhynchotreta thebesensia. multistrictum — Conocardium. multitabulata (um) — Callopora, Endoce- ras, Hallopora, Monotrypella, Vagino- ceras. multituberculata — Monticulipora. 1380 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. multivolvatum — Raphistoma . multivolvis — Hormotoma, Ilormotoma gracilis, Murchisonia. mumiaeforme — Clinoceras, Oncoceras. mundulus (a, urn) — Aparchites, Atacto- pora, Atactoporella, Cyclocystoides, Homotrypella, Lcperditella, Leperdi- tia, Liospira, Primitia, Seelya, Strophe- odonta, Mitoclema. mundum — Orthodesma, Rhytimya! munsteri (i) — Lingula. muralis — Eucalyptocrinus, Pleurotoma- ria. murcliisoni — Asaphus, D idymograpsus, Heliolites, Lituites, Malocystites, Myri- anites, Staurocephalus. muricata — Helicotoma, Helicotoma plan- ulata. murryana — Loxonema. murrayi — Dictyonema, Lingula, Jovell- ania, Obolus, Orthoceras. musculosa — Isochilina. muta — Primitia . mutabilis — Eridotrypa, Meganteris, Rens- selseria, Rhinidictya, Stictopora. mutata — Platystrophia colbiensis. mycale — Orthis. mylitta — Lophospira, Murchisonia. myops — Eurypterus, Stylonurus. myrice — Cyrtoceras, Cyrtia, Cyrtia expor- recta. mytiliformis — Myalina, Mytilarca. mytiloides — Ambonychia, Cleionychia, Modiolopsis. naevigera — Dekayella. nais — Modiolopsis. nanus (a, urn) — Bucanella, Bucania, Cal- lopora, Cypricardites, Dicellomus, Di- dymograptus, Didymograptus caduce- us, Didymograptus indentus, Holopea, Holopea (Cyclora), Leperditia, Leper- ditia canadensis, Modiolopsis, Obolella, Ophileta complanata, Spirifer (Delthy- ris), Stigmatella, Subulites, Trochone- ma, Vanuxemia. nar e sii — Helicotoma . narrawayi — Ceratocephala, Hudsonaster, Protopalaeaster . nashvillae — Eucalyptocrinites, Eucalyp- tocrinus. nashvillensis — Bellerophon, Bucania, Bythopora, Cyrtoceras, Holopea, Rhi- nidictya. nasoni — Pleurotomaria, Raphistoma. nasutus (a, urn) — Calymene, Calymen- ella, Ctenodonta, Cypricardites, Dicra- nopeltis, Levisia, Lyonsia, Moniolopsis, Orthodesma, Pterygotus (Eusarcus), Rafinesquina alternata, Strophomena, Strophomena alternata, Tellinomya. natator — Barrandeoceras, Nautilus, Phrag- moceras. naticoides — Platyceras. nattressi — Idiostroma. nautarum — Bellerophon. naviformis— Athyris, Atrypa, Meristella, Whitfieldella, Whitfieldia. navigiolum — Dendrocrinus. nealli — Gaurocrinus, Glyptocrinus, Rete- ocrinus. nearpassi — Beyrichia, Kloedenia, Stro- pheodonta, Strophodonta. necis — Megistocrinus, Periechocrinus, Saccocrinus. neenah — Dictyonema, Rhynchonella, Rhynchotrema . neglectus (a) — Ambonychia, Amphicoe- lia, Aparchites granilabiatus, Atr^rpa, Camarotoechia, Camarotoachia (Stege- rhynchus), Clidophorus, Ccelocaulus, Cuneamya, Dianulites, Diplotrypa, Fis- tulipora, Fistulipora maculata, Gram- mysia, Leptodomus, Monticulipora hos- pitalis, Nuculites, Orthis, Plectorthis, Pterinea, Rhinidictya, Rhynchonella, Rhynchonella (Stegerhynchus), Rhyn- chonella (Stenoschisma), Sedgwickia, Streptorhynchus, Strophomena, Ten- taculites. neleus — Cyrtoceras, Maelonoceras. nemea — Strophomena. neptuni — Actinodictyon , Receptaculites. nereis — Holopea. nerepisense — Ctenopleuron. nereus — Arctinurus, Encrinurus, Lichas. nerine — Ophileta. nero — Bathyurus, Petigurus. nerus — Cryptonymus. nervata — Fenestella, Pterinea, Ptilopo- rella. nestor — Gomphoceras, Phragmoceras. nettelroth.i — Conchidium, Orthis. nevadaensis — Amphion, Pliomera, Plio- merops. newberryi — Acanthonema, Ascoceras, Aspidopora, Chsetetes, Monomorella, Monticulipora, Orthonema, Praso- pora. INDEX OF SPECIFIC NAMES. 1381 newlini — Buthotrephis, Carcinosoma, Eu- rysoma, Eusarcus. newportensis — Atactoporella, Monticuli- pora. newsomensis — Atrypa reticularis, Hyoli- thes, Orthestrophia, Pterinea, Rhipido- mella, Strophodonta (Brachyprion). newtonensis — Calvinella, Dikelocepha- lus, Eoorthis, Orthis, Ptychoparia. newtonwinchelli — Clarkoceras, Piloceras. nexilis — Alecto. nexus — Halysites, Halysites catenula- tus. niagarensis (e) — Acroculia, Actinostro- ma whiteavesii, Alveolites, Ampyx, Atrypa reticularis, Blothrophyllum, Bronteus, Bumastus, Bythocypris punc- tulata, Callograptus, Calymene, Caly- mene blumenbachii, Calymmene, Ce- ramopora, Ceraurus, Cheirurus, Chono- phyllum, Conocardium, Conophyllum, Conularia, Corymbocrinus, Crotaloce- phalus, Cystiphyllum, Delthyris, Dia- phorostoma, Drymotrypa, Favosites, Goldius, Holopea, Illsenus, Lituites, Michelinia, Orthoceras, Orthoceras (Gei- sonoceras), Palseaster, Pholidostrophia, Platyceras, Platyostoma, Platystoma, Pseudohornera, Quenstedtia, Raphi- Btoma, Romingeria, Spirifer(Eospirifer), Staurocephalites, Straparollus, Stro- pheodonta (Brachyprion), Strophome- na, Strophostylus, Tentaculites, Tham- niscus, Theca, Triplecia, Vermipora. nicholsoni — Ceramopora, Chiloporella, Dicranograptus, Didymograptus, Mon- ticulipora (Fistulipora), Rhinidictya, Sphserolithes. nicklesi— Hebertella (Eridorthis), Homo- trypa, Plectorthis (Eridorthis), Stigma- tella. nicollet(t)i— Cycloceras, Hallina, Ortho- ceras, Zygospira. nilesi — Edmondia, Modiolopsis. nil s s oni — Graptolites . niobe — Metoptoma, Triblidium. niota — Cypricardites, Pleurotomaria, Tro- chonema, Vanuxemia. nisis — Hebertella (Schizonema), He- bertella (Schizoramma), Orthostrophia (Schizoramma), Orthis. nitens — Leptaena, Orthis, Rafinesquina, Strophomena. nitidulus (a) — Aristerella, Cyrtolites, Cyr- tolitina, Dicranopora, Ptilodictya, Rhi- nidictya. nitidus (a, urn) — Ambonychia, Athyris, Atrypa, Bathyurellus, Cleionychia, Cli- onychia, Ctenodonta, Cyclocystoides, Didymograpsus, Didymograptus, Dre- panella, Drepanella nitida, Eunema, Graptodictya, Graptolithus, Grapto- lithus (Monoprion), Halysites catenula- ria, Homotrypa, Hormotoma salteri, Lecanocrinus, Lioclemella, Maclurea, Maclurites, Merista, Meristella, Meris- tina, Mytilarca, Primitia, Tellinomya, Trematopora, Trochonema, Whitfield- ella. nobilis (e) — Fusispira, Glyptocrinus, Pen- tamerus, Poterioceras, Siphonocrinus, Spirifer (Eospirifer). nobilissinrus — Melocrinus. nodobrachiatus — Dendrocrinus. nodocostatum — Orthoceras, Skenidium. nodocostum — Orthoceras. nodostriatus (a) — Asaphue, Atrypa. nodosus (a) — Cornulites, Echinocystites, Escharopora recta, Helopora, Homo- trypella, Lysocystites, Monotrypa, Pra- sopora, Primitia, Ptilodictya, Schizocri- nus, Scyphocrinus, Ulrichia. nodulata — Ceratocephala. nodulifera — Beatricea. nodulosus (a) — Beatricea, Callopora, Cal- loporella, Chsetetes, Eridotrypa, Euca- lyptocrinus, Hallopora, Homotrypa, Monticulipora, Monticulipora (Hetero- trypa), Pleurotomaria. normaliana — Cyclonema. normalis — Ampyx, Ampyx (Lonchodo- mus). normanensis — Cyrtodonta. normani — Pleurotomaria. normanskillensis — Pterygotus. norvegica (um) — Dictyonema, Dictyone- ma flabelliforme. norwoodi — Cyrtoceras, Homotrypella, Lingulops, Stricklandina. notabilis (e) — Lophospira, Opisthoptera, Trochonema. notans — Asaphus, Brachyaspis. notatus (a) — Beyrichia, Cyrtospira, Klre- denia, Subulites. notchensis — Obolus (Westonia). nothus— Ceramopora (Paleschara). 1382 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. notum — Trochoceras. novacarlislensis (e) — Cycloceras, Ortho- ceras. novascoticus — Chonetes. novascotius (a) — Chonetes, Discina. noveboracensis — Temnograptus. noveboracum — Monomorella, Nanno. novellus — Chaunograptus, Dendrograp- tus. novicia — Ctenodonta, Tellinomya. nucella — Heliolites subutubulata. nucleiformis — Ctenodonta, Tellinomya. nucleolatus (a) — Atrypa, Merista, Meris- tella, Pleurotomaria, Rhynchonella, Uncinulus, Whitfieldella. nucleus — Atrypa, Botryocrinus, Cama- rella, Cyathocrinus, Dendrocrinus, Gy- pidula, Homocrinus, Pentamerus, Sie- berella, Triplecia. nucula — Rhynchonella, Terebratula. nuculifonnis — Clidophorus, Ctenodonta, Lyonsia, Modiolopsis, Tellinomya. nuculitifonnis — Ribeira. numeria — Liospira, Pleurotomaria. numerosus — Trachomat ichnus . numitor — Ceraurus, Cheimrus, Niesz- kowskia. nummifonnis — Callopora, Calloporella, . Mesotrypa. nummularium — Orthoceras . numulatum — Actinoceras lata, Orthoceras (Actinoceras) lata. numulus — Orbiculoidea. nundina — Syntrophia. nuperus — Ceraurus, Cheirurus. nutans — Streptorhynchus, Strophomena, Stropomena (Hemipronites). nutrix — Camarotoschia, Rhynchonella. nuxmoschata — Astylospongia prsemorsa, Caryospongia juglans. nycteis — Metoptoma, Triblidium, Try- blidium. nympha — Eoorthis desmopleura, Lingula, Orthis (Plectorthis) desmopleura. nymphale — Cyathophyllum . nysius — Conchidium, Pentamerus. obconicus — Comarocystites, Comarocys- tites shumardi, Eucalyptocrinus, Eu- spirocrinus, Macrostylocrinus, Maria- crinus, Melocrinus, Stephanocrinus, Streptosolen. obelisca — Hormotoma, Murchisonia, Mur- chisonia (Fusispira). oberon — Orthoceras. obesus (a, urn) — Byssonychia, Cyrto- donta, Eurychilina, Fusispira, Gom- phoceras, Holopea, Olenus scarabse- oides, Pachydictya, Poterioceras, Proto- warthia, Sinuites, Sinuopea, Subulites. oblata — Atrypa nitida, Lingula, Merista nitida, Orthis, Trematis, \Vhitfieldella, Whitfieldella nitida. obliquata — Cardiomorpha, Ceromyopsis, PtilotryparWhitella. " obliquior — S treptelasma . obliquis — Diplograpsus . obliquus (a) — Anthaspidella, Arabellites, Conradella, Ctenobolbina, Ctenodonta, Cypricardites, Cyrtodonta, Eurychilina Favosites, Holopea, Homotrypa, Hu- ronia, Lophospira, Mytilarca, Nucula, Opisthoptera, Palseoconcha, Phragmo- lites, Ptilodictya, Rhinidictya, Scsevo- gyra, Stictopora, Streptelasma, Telli- nomya, Tentaculites, Turbo, Zaphren- tis. oblongus (a) — Actinomya, Aparchites, Bathyurus, Caryocaris, Cuneamya, Cy- cloconcha, Lingula, Lloydia, Melocri- nus, Modiolopsis, Pentamerus, Ptero- nitella, Whiteavesia. ob o vatum — Die ty onema . obpyramidalis — Actinocrinus, Melo- crinus, Stephanocrinus. obpyriformis — Favosites, Odontocaulis. obscurus (a, um) — Avicula, Clidophorus, Cyrtoceras, Dekayella, Dekayia, Holo- pea, Jonesella, Leperditella, Leperdi- tia, Leptaena, Palseophycus, Parastro- phia, Plectoceras, Porambonites, Pte- rinopecten, Rafinesquina, Strophome- na, Turbo. obsoletus (a, um) — Acanthonema holopi- formis, Acidaspis, Bucania, Conchi- dium, Cyclonema, Cypricardia, Cypri- cardites, Eotomaria, Eunema, Euom- phalopterusalatus, Holopea, Lophospira (Seelya) lirata, Modiolopsis, Pleuroto- maria, Pleurotomaria (Turritella), Pro- tozyga, Sarcinula, Spirifer (Eospirifer) radiatus, Staurocephalus, Tetranota, Zygospira. obstructum — Orthoceras. obtusifrons — Cypricardites, Vanuxemia. obtusiplicata — A t r y p a, Camarotoechia, Rhynchonella. INDEX OF SPECIFIC NAMES. 1383 obtusus (a) — Ambonychia, Asaphus, By- thocypris, Coelocaulus, Conchopeltis (Metoptoma), Cypricardites, Cyrto- donta, Isotelus, Lingula, Liospira, Modiola, Modiolopsis, Murchisonia, On- chometopus, Orthis, Orthonychia, Pa- Isearca, Posidonomya, Raphistoma, ^cenella. obvius (a) — Lichas, Lichas (Oncholichas). occasus — Bronteus, Goldius. occidens — Favosites, Modiolopsis, Old- hamia (Murchisonites), Phanerotrema, Pleurotomaria labrosa. occidentalis (e) — Arctinurus, Clisospira, Conchidium, Dimerocrinus, Ectomaria pagoda, Eurystomites undatus, Favo- sites forbesi, Glyp taster, Hebertella, Holopea, Leptobolus, Lichas boltoni, Lituites undatus, Nautilus, Odonto- caulis, Orthis, Orthodesma, Pachy- dictya, Pentamerus, Petraia pygmaea, Platystrophia, Plectoceras undatus, Pterinea, Receptaculites., Solenospira pagoda, Strophomena fluctuosa, Thy- sanocrinus. oceanus (a) — Maclurea, Maclurites, Nau- tilus. ocellatus — Girvanella, Strephochetus. octobrachiatus — Dichograpsus, Dicho- grapsus, Graptolites (Didymograpsus), Graptolithus, Graptolithus (Logano- graptus). octocostatus — Spirifer (Delthyris). octonarius — Dichograpsus, Dichograptus, Graptolithus, Graptolithus (Mono- prion) . octonotatus — Protichnites. oculata — Prasopora . oculifera — Beyrichia, Ceratopsis, Eury- chliina, Tetradella. cehanus (a) — Heterocrinus, Heterocrinus (locrinus), Ohiocrinus, Rhytimya. oehlerti — Coelidium, Coelocaulus, Murchi- sonia. ceilensis — Crisinella . offleyensis — Zaphrcntis. offula — Leptotrypa, Paleschara, Petigo- pora. oliioensis — Callopora, Ceramopora, Cera- moporella, Ctenodonta, Labechia, Lio- clemella, Lophospria, Monticulipora, Pleurotomaria, Receptaculites, Spiri- fer (Delthyris), Trimerella, Trocho- nema pauper, Whitella, Zaphrentis. oligoptychus — Spirifer, Spirifer (Eospiri- fer) niagarensis. oligotheca — Climacograptus. olorus — Cycloceras, Orthoceras. ommanneyi — Endoceras, Orthoceras. onealli — Acidaspis, Callopora, Callopora sigillaroides, Chsetetes, Hallopora, Mon- ticulipora, Monticulipora(IIeterotrypa) , Odontopleura, Reteocrinus. oneidaense — Orthoceras. Ontario — Tetradium . ontarioensis — Dendrograptus. opertus — Bellerophon (Bucania). ophelia — Holopea . oppletum — Vaginoceras. ops — Camarella, Parastrophia. orbicauda — Illaenus. orbicaudatus — Bumastus, Illsenus. orbicularis — Ambonychia, Atrypa, Mo- nomorella, Orthis, Posidonomya, Pte- rinea. orbiculatus (a) — Avicula, Carinaropsis, Ceramopora, Ceramoporella, Helcion, Mesotrypa. , orbiculoide s — Amphic oelia , Lyriopecten . orbigny ami s — B athyurus . orbipora — Stictopora, Stictotrypa. orcas — Cyrtoceras, Oncoceras. ordinaria — Schuchertia. ordinata (um) — Cladopora, Orthoceras. orestes — Acaste, Astreopora, Cyrtoceras, Madrepora, Phacopidella, Phacops. organum — Sarcinula, Syringophyllum. orientalis — Camarotcechia, Discina, Pras- opora simulatrix, Rhynchonella. orion — Agnostus. orithyia — Metoptoma, Scenella. ornatissimus — Holocystites. ornatus (a, um) — Asaphocrinus, Cariocri- nites, Caryocrinites, Caryocrinus, Chi- cagocrinus, Conocardium, Cryptony- mus, Ctenocrinus, Cyrtolites, Encri- nurus, Eopteria, Eucalyptocrinus, Glyptocrinus, Habrocrinus, Hercocri- nus, Holocystites, Lecanocrinus, Leper- ditella, Leptotrypa, Mac rosty locrinus, Periechocrinus, Porcellia, Protoscolex, Saccocrinus, Siderocrinites, Sidero- crinus, Tentaculites, Trematopora, Trematopora primigenia. , orodes — Cyclostomiceras, Cyrtoceras. orphyne — Metoptoma, Palaeacmaea. orthambonites — Orthis. ortliididea — Leptaena, Strophomena. ill) 1 rtll oClli: ofti; ycloconcha, Cypricardites, Eucalyp- tocrinus, Holocystites, Homotrypella, Leperditia, Lingula, Lingulops, Modio- lopsis, Monomorella, Pholidops, Stro- matotrypa, Tellinomya, Thaleops, Thaleops (Illaenus), Thalamocrinus. ovifonnis— Ctenodonta, Cypricardites, Cyrtodonta, Modiolodon, Modiolopsis. o voidea — Megambonia . ovoides— Oncoceras, Trochonema, Whit- fieldella. owatonnensis — Camarella . owenanus (a)— Eccyliopterus, Opliileta. owenensis — Eccyliopterus . cystis, Nipterella, Syringocrini; paradoxus — Entomolitus, Syringoc paraia — Anabaia . parallela (um) — Beyrichia, Crania, tonota, Dictyonema, Modiolopt -L thodesma, Orthonota, Primitia, dictya, Rhinidictya, Sphenoliu : ringopora, Syringostroma. parasiticus (a, um) — Agelacrinus, cerium, Favosites, Hemicystitee trypa, Monticulipora, StreptelasJ parkensis — Hebertella maria. parmula — Aspidopora fenestelli Prasopora. .;, Oi Pile i, S INDEX OF SPECIFIC NAMES. 1385 parmulata — Discina, Orbicula, Orbicu- loidea. parryi — Catenipora, Halysites. parvangulus — Dicranograptus nicholsoni. parvidens — Ctenodonta. parvistellata — Anthaspidella. parvituba — Lyellia . parviusculus (a) — Hyolithes, Mesopalse- aster, Modiolopsis, Palseaster, Proetus, Theca. parvulipora — Eridotrypa, Fenestella, Heterotrypa. parvulus (a, urn) — Acidaspis, Anomocare, Aparchites, Astylospongia, Bythopora, Cyclora, Cyrtospira, Gomphoceras, He- lopora, Holocystites, Holopea, Ilionia, Leperditia, Lichenalia concentrica, Odontopleura, Palseopteria, Pentame- rus, Poleumita, Polytropis, Pterinea, Streptelasma, Streptoplasma, Subuli- tes, Turbo. parvus (a, um) — Archaeocrinus, Callopo- rina, Camerella, Clematocrinus, Clima- cograptus, Columnaria, Constellaria, Cordylocrinus, Cuneamya, Cyclocyst- oides, Cyrtodonta, Cyrtolites, Dalman- ella, Dalmanella elegantula, Dicranopo- ra, Dinobolus, Glyptocrinus, Hallopo- rina, Hindia, Hindia sphseroidalis, Ho- locystites, Homocrinus, Lampterocri- nus, Loxonema, Melocrinus, Micro- spongia, Modiolopsis, Monticulipora, Murchisonia, Orthis, Orthis elegantula, Orthodesma, Phragmoceras, Platycri- nus, Ptychocrinus, Raphistoma plani- strium, Ribeiria, Rhynchotreta, Sphse- rexochus, Stomatopora, Straparollus, Stylarsea, Subulites. pasithea — Cyathophyllum. patei — Caryomanon, Pycnosaccus. patella — Dianulites, Diplotrypa, Meso- trypa. patelliformis — Archinacella, Carinaropsis, Helcion. patens — Zaphrentis. patenta — Leptsena, Strophomena, Stro- phonella, Streptorhynchus. patera — Astylomanon cratera, Prasopora. patersoni — Bellerophon. pattersoni — Canistrocrinus, Glyptocrinus, Lichenocrinus, Reteocrinus. patriciaense — Hormotoma. patronus — Protophragmoceras. patulus (a, urn) — Achradocrinus, Chon- drites (Bythotrephis), Chondrites (Tri- chochondrites), Didymograptus, Grap- tolithus, Modiolodon, Stenopora, Strep- telasma, Tryblidium, Zaphrentis. paucicostata — Eridonychia. pauciplicata — Platystrophia, Platystro- phia lynx, Trematospira camura. pauci volvatum — Raphistoma . paulianus — Corydocephalus wesenber- gensis, Lichas, Lichas (Arges) "wesen- bui-gensis. paululus — Eunicites. pauper — Dicellocephalus, Dikelocepha- lus, Pleurotomaria, Ptychaspis, Trocho- nema (Cyclonema), Trochonema (Pleu- rotomaria), Dekayia, Heterotrypa, Klce- denella clarkei, Rhinidictya, Sticto- pora, Zygospira. pauquettiana — Leperditia canadensis, Leperditia fabulites. pavonia — Chsetetes, Escharopora, Hetero- dictya, Monotrypa, Monticulipora, Nicholsonia, Peronopora, Ptilodictya. peacMi — Solenopora compacta, Tetradi- um. pearyi — Receptaculites. peccatonica — Helicotoma. pecten — Ctenopyge, Olenus (Sphseroph- thalmus), Strophomena. pectinatus — Arabellites. pectinella — Dinorthis, Orthis. pectunculoides — Ctenodonta, Tellinom- ya. peculiaris (e) — ^Archaeocrinus, Lioclema, Nicholsonella, Trimerocystis. pediculata — ^Monotrypa, Rhinidictya. pegramensis — Alveoli tes, Heliophyllum, Pachypora (Platyaxum), Reticularia. pelagica (um) — Cyathophyllum, Strapa- rollina. pelias — Obolus (Lingulella) mcconnelli. pelliculata — Dekayia, Monticulipora. pelopea— Discina, Schizotreta. pelops — Asaphus. peltatum— Discophyllum . peltifer — Climacograptus bicornis. pembrokensis — Grammysia. penicillus — Xenocrinus. pennanti— Cyathophyllum. pennatulus — Didymograpsus, Didymo- graptus, Graptolithus, Graptolithus (Monoprion). 1386 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. pennsylvanicus (a) — Klcedenella, Klce- denia, Leperditia, Onchus. pentagonalis — Cupellsecrinites, Cupellae- crinus, Marsipocrinus. pentagonius — Porocrinus. pentagonus (a, um) — Arachnophyllum, Glyptocrinus insperatus, Heterocrinus, Pterotheca, Siphonocrinus, Stenocri- nus, Strombodes. pentalobus — Codaster, Stephanocrinus. pentangularis — Callicrinus, Dimerocri- nus, Glyptaster, Thysanocrinus. pentolena — Palseocystis. peosta — Diplograptus, Graptolithus. pepina — Billingsella, Orthis, Orthis (Or- thisina). pepinensis (e) — Euomphalus, Raphisto- ma. peracuta (um) — Bucania, Ctenodonta, Lophospira, Murchisonia, Raphistoma. perampla — Crepipora. perangulata (um) — Ambonychia, Lopho- spira, Murchisonia bicincta, Orthoceras, Psilonychia. perantiquus (a) — Enallopora, Chaetetes, Gorgonia, Protocrisina. perarmata — Acidaspis. percarinata (um) — Crania, Cyclonema, Pleurotomaria. percingulata (um) — Cyclonema. percrassus — Dictyonema. perdentatus — Eunicites, Lumbriconerei- tes. perdewi — Pseudocrinites. perelegans — Graptodictya, Heliolites, Pti- lodictya. perexilis (e) — Dicellograptus sextans, Dic- tyonema. perflexilis — Goniograptus. perflexus — Didymograpsus. perforator — Ceraurus (Nieszkowskia), Che- irurus, Nieszkowskia. perforates (a, um) — Diaphorostoma, Bel- lerophon (Bucania), Cliocrinus, Lopho- spira. perfrondosa — Dekayia, Dekayella prolif- ica. pergibbosus — Pentamerus. pergracilis (e) — Buthotrephis, Dictyone- ma, Desmograptus, Subulites. perinflata — Beyrichia, Kloedenia. perkinsi — Bathyurus, Cryptozoon, Eccy- . liomphalus, Euomphalus, Nautilus, Ni- leus, Ooceras, Tarphyceras. perlamellosa (um)— Lophospira, Murchi- sonia, Rhynchonella, Rhynchotrema. perlatus (a) — Liospira, Modiolopsis, Pleu- rotomaria, Retiolites, Retiolites (Gla- diograptus). perlongus — Holocystites. perminima — Primitia. perminuta — Ctenodonta. permultus — Trachomatichnus. pernodosus — Encrinurus. pernoides — Mytilarca, Streptomytilus. perornata — Bucania. perovalis — Archinacella, Metoptoma. perovata — Glossina, Lingula, Palseoglossa. perparvum — Orthoceras . perplexus (a) — Diabolocrinus, Dionide, Lingula, Moorea. perroti — Orthoceras. perryi — Lingula. perseus — Orthoceras. persimilis — Amplexopora, Callopora pul- chella, Cypricardites, Cyrtodonta, Hal- lopora pulchella, Leperditella, Leper- ditia, Liospira. persiphonatum — Huronia, Orthoceras. personata — Stigmatella. perspicator — Bathyurus, Goniurus. perstriata — Helicotoma. persulcata — Beyrichia, Bollia. pertenuis (e) — Coenograptus, Dictyone- ma, Diplograptus amplexicaulis, Fen- estella, Nemagraptus, Nemagraptus explanatus, Phacelopora, Rhopalona- ria. pertinax — Orthoceras. perundosa — Holopea. perungulatus — Corynoides gracilis. pervagata — Plectorthis equivalvis. pervetus (a) — Dalmanella, Dalmanella subaequata, Euomphalus, Inachus, Orthis, Pianodema subsequata. pervetustus (a) — Cyclonema, Cyclostoma, Euconia, Euomphalus, Holopea, Holo- pea antiqua, Pleurotomaria, Straparol- lus. pervoluta — Bucania, Tremanotus, Proto- warthia, Sinuites. pesovis — Pentamerus. petalliformis — Plasmopora, Porites. petasiformis — Amplexopora, Amplexopo- ra welchi, Monotrypa, Monticulipora, Monticulipora welchi. petechialis— Chaetetes, Monticulipora, Pe- tigopora. INDEX OF SPECIFIC NAMES. 1387 petilus (a)— Goelocaulus, Murchisonia, Reticularia bicostata, Spirifer bicostata. petree — Orthis. petropolitanus (a) — Chaetetes, Dianulites, Diplotrypa, Monticulipora, Stenopora. pettiti — Oncoceras. phsedra — Cyclonema. phainotheca — Dendrograptus. phalera — Carinaropsis . phaseolus — Cytherina, Leperditia. phillipsi (i) — Archinacella, Eucalyptocri- nites, Eucalyptocrinus, Metoptoma. philomela — Lingula, Strophomena. pMlomena — Stropheodonta (Brachypri- on). phlyctainoides — Arges, Calymene, Cory- docephalus, Lichas. phoca — Atrypa, Hindella, Lissatrypa, Rhynchonella. pholadiformis — Actinomya, Modiolopsis, Pholadomorpha, Whiteavesia. pholadis — Cymatonota, Orthonota, Pteri- nea. phosphaticus — Sabellarites. phragmoceras — Amplexus, Calophyllum. phycoide s — Inocaulis . phyllophoru s — C limac ograp tus . pickthorni (i) — Cyathophyllum Strepho- des. pictoense — Orthoceras. piger (ra) — Clitambonites, Orthis. pileolum — Archinacella, Orthoceras, Trib- lidium. pileus (m) — Agelacrinites, Agelacrinus, Agelacrinus (Lepidodiscus), Pycnopeg- ma. pilosum — Cyrtoceras. pinnaformis — Lingula, Lingulepis. piriformis — Syphonia. pisa — Camarotoechia, Rhynchonella. piscator — Orthoceras. pisif ormis — Agnostus, Arachnocrinus, Battus, Cyathocrinus, Entomolitus paradoxus, Entomostraceus, Lecano- crinus, Nucleospira, Poteriocrinus. piso — Orthoceras. pistilliformis — Zittelella typicalis. pisum — Deiphon, Homeospira, Orthis, Plectambonites, Rhynchonella, Sphse- rexochus. pittsfordensis — Eurypterus. placidus (a)— Cytherodon, Murchisonia. plagosa — Beyrichia. 84243°— Bull. 92— vol 2—15 43 planidorsatum — Cyrtoceras, Tripteroce- raa. planifrons— Anomocarella, Dicellocepha- lus, Dikelocephalus. planilateralis — Meekospira, Subulites (Polyphemopsis) . planisinuosus — Prosserella, Reticularia. planistria (um) — Raphistoma, Scalites, Straparollus. planistriata — Ambonychia. planoconvexa (um) — Anoplotheca, Atry- pa, Coelospira, Hemipronites, Lepto- ccelia, Orthoceras, Strophomena, Strep- torhynchus, Tripteroceras, Triptoceras. planodorsata (um) — Ctenodonta, Cyrtoce- ras, Protowarthia, Sinuites, Stropho- mena, Tellinomya, Tripteroceras, Trip- toceras. planorbiformis — Lituites, Palseonautilus, Trocholites. planostiolata — Pachypora (Platyaxum) . planulatoides — Helicotoma. planulatus (a) — Cleidophorus, Clidopho- rus, Fusispira, Helicotoma, Helicotoma robusta, Nuculites, Periploma. planumbonus (a, um) — Leptsena, Hemi- pronites, Streptorhynchus, Stropho- mena, planus (a, um) — Asaphellus, Constellaria constellata, Constellaria florida, Delto- ceras, Didymograptus nicholsoni, Eu- rymya, Eurymyella, Hemigyraspis, Isotelus, Leda, Lyrodesma, Modio- lopis, Monticulipora parasitica, Orios- toma, Orthis, Semicoscinium, Strophe- odonta (Brachyprion.) platycaudatus — Dalmanites. platycephalus (a) — Asaphus, Brongniar- tia, Calymene, Isotelus. platymarginatus — Isotelus. platyphylla — Phaenopora, Ptilodictya. platys — Dinorthis, Orthis, Pachypora (Platyaxum), Plaesiomys, Platyaxum. platystoma — Bellerophon, Bellerophon (Bucania). plauta — Holopea. plebeia (um) — Cypricardites, Cyrtodonta, Oncoceras, Whitella. plebia (um) — Diaphorostoma, Platyo- stoma. plenus (a) — Atrypa, Holocystites, Cama- rotoechia, Rhynchonella. pleurexanthenms — Ceraurus, Cheirurus. 1388 BULLETIN" 92, UNITED STATES NATIONAL MUSEUM. pleuriexcavatum — Asty lomanon . pleuristriata — Stropheodonta corrugata, Strophomena comigata. plicatellus (a) — Atrypa, Leptsena, Orthis, Plectambonites, Plectorthis, Rhyncho- nella, Spirifer. plicatulum (a) — Anoplotheca, Ocelospira, Cyathophyllum, Leptoccelia, Rhyn- chonella. plicatus (a, m) — Anomalodonta, Atrypa, Cyathophyllum, Delthyris, Eurysto- mites, Ischyrinia, Orthis, Rhyncho- nella, Spirifer (Delthyris) modestus, Strophomena (Hemipronites), Techno- phorus. plicifera — Atrypa, Dalmanella, Leptsena, Rhynchonella, Strophomena. pluma — Hallia. plumaria — Ptilodictya. plumosus (m) — Actinocrimis, Chloephy- cus, Clematocrinus, Cordylocrinus, Glyptocrinus, Platycrinus, Ptilograp- sus, Ptilograptus. plumula — Chsetocladus. plumulosus — Inocaulis. pluto — Lituites. poctai — Ptilograptus. pogonipensis — Lingulella, Modiolopsis, Obolus, Orthis, Pianodema. politus (a) — Camarella, Prionodus. polydactylus — Cupulocrinus, Dendrocri- nus, Homocrinus, Poteriocrinites, Po- teriocrinus, polydorus — Ceraurinus, Ceraurus, Chei- rurus. polygyratus — Euomphalus, Polygyrata. polymorplium — Dictyonema. polynema — Protospongia. polystomella — Constellaria, Monticuli- pora, Stellipora. polythecatus — Dicellograptus intortus. polyxo — Botryocrinus, Cyathocrinus, Hc- terocrinus (locrinus), Homocrinus, pompilius — Ceraurinus, Ceraurus, Cerau- rus (Crotalocephalus), Cheirurus. poraponius — Nautilus, ponderosa — Anolotichia, Cypricardites, Cyrtodonta, Escharopora, Maclurea, Maclurites, Nicholsonella, Platystro- phia, Ptilodictya, Rafinesquina alter- nata. ponepunctus — Agnostus trisectus. porcata — Dinorthis, Dinorthis (Pl»sio- mys), Orthis. porcia — Clitambonites. * porrecta— Dalmanella, Dalmanella testu- dinaria, Orthis. porteri — Orthoceras. portlocki — Huronia, Orthoceras. postelegantula — Dalmanella. posterus — Olimacograptus caudatus. posthuma — Parabolinella. posticus (a) — Dendrocrinus, Modiolopsis, Poteriocrinites, Poteriocrinus. postlatum — Endodesma. postplicatum — Modiolopsis. postremus — Glossograptus quadrimucro- natus, Goniograptus thureaui. postriatus (a, um) — Area, Cardiomorpha, Lyrodesma, Modiolodon, Nucula, Nu- culites. postumius (a)— Cyrtoceras, Pleurotoma- ria. poterium — Astylomanon cratcra. powers! — Archinacella, Gomphoceras, Triblidium. praecedens — Ceratiocaris (Limnocaris), Favosites helderbergise. praecipta (um)— Cyclonema (Gyronema), Homotrypa curvata, Whitella. prsecursa — Byssonychia. praecursor — Camarotcechia (Stegerhyn- chus) whitii, Rhynchonella (Steger- hynchus) whitii, Sigmagraptus. preeformosa — Rhynchospira. praegracilis — Dendrograptus. praemarginalis — Atrypa. praematurus (m)— Maslonoceras, Marsipio- crinus, Marsupiocrinus, Phragmoceras, Platycrinus. praemorsa^ — Astylospongia, Astylospongia pusilla, Caryospongia, Siphonia. praenuntia — Dekayella, Dekayella nsevi- gera, Klcedenia, Meristella. praeplicata — Stropheodonta. praevium — Liospira, Raphistoma. prae volutu s — C lid ophorus . pravum — Heliophyllum. precius — Aulopora, Aulopora compressus. precosis — Leptaena, Plectambonites. precursor — Leptaena richmondensis, Lo- culipora ambigua, Platystrophia colbi- ensis, Strophomena vetusta. prematurum — Tarphyceras . prenuntius — Promopalaeaster. preoblata — Rhipidomella. » pr e s sula — Zaphrentis . pretensa — Scenella . INDEX OF SPECIFIC NAMES. 1389 pretiosa— Acrothele, Billingsia, Elkania, Linnarssonia, Obolella. priamus — Orthoceras. primsevus (a, um) — Leperditia balthica, Nanno, Sphenophyllum, Styliola. primigenius (a, um) — Chonetes (Eodevo- naria), Modiolopsis, Orthoceras, Palae- arca, Trematopora, Unio. primitiva — Berenicea. primordialis (e) — Billingsella, Strepto- rhynchus. primus (a) — Chsetomorpha, Cybele, Cy- beloides, Glaphurus, Lingula, Lingu- lella, Michelinia, Orbicula, Rhinopora. princeps — Proetus. prinstana — Athyris, Hindella, Meristella. priodon — Graptolithus, Lomatoceras, Monograptus, Monograptus (Grapto- lithus) clintonensis. priscus (a, um) — Atrypa, Cyrtendoceras, Dictyorhabdus, Ecculiomphalus, Eccy- liomphalus, Ectomaria, Eunema, Fe- nestella, Glyptocrinus, Monomorella, Perjglyptocrinus, Ptychocrinus, Schiz- ambon, Solenospira, Stropheodonta, Strophomena, Terebratula. pristiniformis — Diplograptus, Grapto- lithus. pristinus (a, um) — Callonema, Camarotce- chia, Eurypterus, Hybocrinus, Onco- ceras. pristis — Diplograpsus, Diplograptus, Graptolithus. proavitus (a) — Dinorthis, Mesopalseaster, Orthis, Rensselaeria (Beachia). proavium — Coscinium . proavus (a) — Coscinium, Gorgonia, Grap- todictya. problematicus (a)— Dendrograptus, Gis- Bocrinus, Hybocystis, Hybocystites, Inocaulis. proboscid(i)alis — Cladopora, Eucalypto- crinus, Striatopora. prob o s cidia — B oli viana . proboscidiatus — Dendrocrinus. procera — Lophospira. procia — Orthis. proclivis (e) — Platyceras, Eccyliom- phalus, Eccyliopterus. procris — Hormotoma, Murchisonia. procteri — Lingula, Rhynchonella, Rhyn- chotrema. procursus — Arabellites, productifrons — Cymatonota, Orthodesma. productus (a) — Lophospira, Plectambo- nites, Rhytimya. prof undo sulcata — Orthis, Platystrophia. profundus (a, um) — Bellerophon, Brach- prion, Cyathophyllum, Cylindrohelium^ Lepteena, Meristina, Ophileta, Petraia, Streptelasma, Streptoplasma, Strophe- donta, Strophodonta, Strophomena. progne — Lingula, Liospira, Pleurotomaria prognosticus (a) — Gypidula (Sieberella- coeymanensis, Spirifer (Delthyris) vanuxemi. pr ogr e s sum — 0 rthoceras . projectum — Gomphoceras. prolatum — Orthod esma . prolifera (um) — Cryptozoon, Dekayia, Diphyphyllum, Eridophyllum. prolificus (a) — Ceraurus, (Pseudosphae- rexochus), Cheirurus, Dekayella per- frondosa, Favosites, Heterotrypa, He- terotrypa subramosa, Monticulipora, Pterinea, Pterygotus, Schuchertella, Zaphrentis. prolixa — Fenestella . prolongatus (a) — Leptsena, Leptaena trans- versalis, Platystrophia acutilirata, Plec- tambonites transversalis, Strophonella, Subulites. prominens — Constellaria, Constellaria constellata, Constellaria florida, Eu- rypterus, Eurypterus (Dolichopterus), Homotrypa \vortheni. promiscuum — Astylomanon cratera. prona (um) — Crania, Petrocrania, Platy- ceras. propinquus (a,um) — Hemipronites, Heter- ocrinus heterodactylus, Orthoceras, Schuchertella, Stenocrinus heterodac- tylus. proprius (a) — Archinacella, Cornulites, Metoptoma. proserpina — Helicotoma, Holopea. prosseri — Schizolopha, Whitfieldella. proteiforme — Cameroceras, Endoceras. proteus — Calceola . prototypum — Astylomanon cratera. proutana — Stomatopora. proxima — Reticularia. proximatus — Clonograptus. prunus — Girvanella, Strephochetus. psyche — Fusispira, Maclurea, Maclurites, Subulites, 1390 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. pterocephalus— Illsenus, Thaleops. ptyonurus — Corydocephalus, Lichas (Di- cranogmus). pudicus (a) — Cruziana, Rusophycus. puella — Lyellia, Plasmopora. pugnax — Lichas, Metopolichas. pugnus— Nereites, Nereograpsus. pulaskiensis (e) — Archinacella, Ortho- desma. pulcella — Cyclora. pulchellus (a, urn)— Actinomya, Arthro- clema, Callopora, Chaetetes, Codaster, Ctenodonta, Cyathocrinus, Gyronema, Hallopora, Leda, Lophospira, Lyro- desma, Modiolopsis, Palaeaster, Palaeo- crinus, Petraia, Phacops, Stenaster, Stephanocrinus, Tellinomya, Urastcr- ella, Urasterella (Stenaster). pulclier (ra) — Acanthograpsus, Acantho- graptus, Homotrypa, Nicholsonella, Palaeocystites. pumila — Amplexopora, Bollia, Orthis, Pachydictya. pumilis — Straparollus. punctatus (a)— Bucania, Comarocytis, Co- marocystites, Constellaria, Cremacri- nus, Ctenobolbina, Cybele, Encrinurus, Idiotrypa, Illaenus, Indianocrinus, Monticulipora, Moorea, Phsenopora, Ptilodictya, Trematopora. punctifrons — Bellerophon, Bucania. punctipora — S tic topora . punctostriatus (a", urn) — Fenestella, Or- this, Orthoceras, Polypora, Techno- phorus, Trematis. punctulata — Bythocypris. pungens — Climacograptus. pusillus (a, urn)— Astylospongia prae- morsa, Baltoceras, Battus, Bryograp- tus, Calceola, Ceratiocaris, Colpomya, Conophrys, Cyathocrinus, Cyrtoceras, Graptospongia, Lecanocrinus, Shumar- dia. pustulatus (m)— Arionellus, Cyathophyl- lum (Calophyllum), Glaphurus. pustulosus (a, urn) — Amplexopora, Bey- richia, Beyrichia tuberculata, Eohar- pes, Eurypterus, Holocystites, Monti- culipora, Stromatopora, Trematis, Stro- matocerium, Stromatopora (Coenostro- ma). puteatum — Heliophyllum . puteolus — Lecanocrinus. putillus (a) — Anodontopsis, Atrypa, Cli- macograptus, Diplograptus, Diplograp- tus teretiusculus, Graptolithus, Triple- sia, Zygospira. pygmaeus (a, urn) — Diplograptus eugly- phus, Petraia, Streptelasma, Strombo- des, Tetragraptus. pygmoea — Aulopora . pylades — Orthoceras. pyramidalis (e) — Cyrtina, Goniophyllum, Orthis, Scenidium, Skenidium, Spiri- fer. pyramidata (um) — Cyclonema, Skenidi- um. pyrene — Holopea . pyriformis (e) — Archaeocrinus, Astroce- rium, Cyathocrinites, Cyathocrinus, Favosites, Heliolites, Periechocrinus, Pisocrinus, Rhodocrinus, Saccocrinus, Thysanocrinus, Triacrinus, Zophocri- nus. pyrrha — Camarotcechia , Rhynchonella . python — Actinoceras, Deiroceras, Ortho- ceras. quadrangularis (e) — Cypricardites, Dicty- onema, Strombodes, Whitfieldella, Whitella. quadraticaudatus — Asaphus, Pterygotus. quadratus (a) — Arabellites, Bathyurus, Chaetetes, Conularia, Helopora, Leio- stegium, Lingula, Modiolopsis leigh- toni,Monotrypella(Rhombotrypa), Mon- ticulipora, Monticulipora (Monotrypa), Nematopora, Parabolinella, Rhombo- trypa. quadribracMatus — Graptolithus, Tetra- grapsus, Tetragraptus. quadricarinata — Pleurotomaria . quadricostata — Ampyx, Atrypa, Micro- discus, Rhynchonella, Triplesia. quadrifida — Beyrichia, Ceratopsis. quadrilatera— Cypricardites, Leptsena . quadrilirata — Beyrichia, Strepula, Tetra- della. quadriloba — Hemisterias. quadrimucronatus — Diplograpsus, Diplo- graptus, Glossograptus, Graptolithus, Orthograptus. quadripartitum — Dactylophycus. quadriplicata — Rhynchotreta, Tremato- spira. quadrisulcata — Conularia, Lophospira, Murchisonia. INDEX OF SPECIFIC NAMES. 1391 quebecensis (e) — Cyathophycus, Cyrtoce- ras, Dianulites, Diplotrypa, Halysites catenularia, Lingula, Loganellus, Meso- trypa, Metoptoma, Palaeacmaea, Pleuro- tomaria. quichuana — Pizarroa . quincuncialis — Technophorus punctostri- atus, Trematis. quinquedentata — Fistuliporella . quinquelobus — Pisocrinus. quinquepartitus — Glyptocrinus, Stephan- ocrinus. quinquespinosa — Acidaspis. racemosum — Tetradium. racinensis — Pleurotomaria, Mourlonia, Spirifer, Zaphrentis. radialis — Scenella, Vinella. radians— Calamopora, Cyrtia. radiatus (a) — Ambonychia, Amygdalo- cystis, Amygdalocystites, Byssonychia, Carabocrinus, Calyptograpsus, Calypto- graptus, Ceramopora, Climacospongia, Delthyris, Elpe, Halysites, Leperditia, Rhytimya, Scenellopora, Spirifer, Spi- rifer (Eospirifer), Spirifer plicatella, Triplecia, Triplesia. radicans — Prioniodus, Streptelasma, Za- phrentis. radicif ormis — Vinella . radiculus (a) — Calceocrinus, Cremacri- nus, Cyathophyllum, Polyorophe, Pro- clivocrinus. raei — Cyrtoceras, Ooceras. ramifer — Callicrinus, Eucalyptocrinus. ramosus (a, urn) — Aristophycus, Butho- trephis, Callopora, Callopora rugosa, Chsetetes, Cladograpsus, Dicranograp- tus, Eschara, Escharopora, Grapto- lithus, Graptolithus (Diplograpsus), Hal- lopora, Heterotrypa, Monticulipora, Peronosporites, Thresherodiscus. ramsayi — Pleurotomaria . ramulosus (a, urn) — Archceocrinus, Bu- thotrephis, Bythotrephis, Coenites, Glyptocrinus, Homotrypa, Inocaulis, Limaria, Lioclema, Palseodictyota, Syringopora. ramulus — Dichograpsus, Dicranograptus, Graptolithus, Graptolithus (Climaco- graptus), Graptolithus (Monoprion). ranilarva — Eurypterus. rapax — Endoceras. raptor — Orthoceras. raricostatus — Cryptonymus, Encrinurus. raripora — Ceramopora, Nematopora, Ptilo- dictya, Stictopora. ranis — Bathyurellus, Ceraurus, Ceraurus (Cyrtometopus), Dolichometopus, En- crinurus. rauchi — Ambonychia. rayi — Columnopora. raymondi — Cyrtospira, Holopea, Subuli- tes. recedens — Leptsena, Orthoceras, Plectam- bonites. recta — Cymatonota, Escharopora, Eury- myella, Leptaena, Modiolopsis, Ortho- desma, Palseodictyota bella, Plsesiomys, Ptilodictya, Rhytimya, Stomatopora, Strophomena. rectangularis (e) — Favosites, Lophospira, Monticulipora, Protowarthia, Sinuites, Trochonema. rectiannulatum — Cycloceras (Spyroceras) , Orthoceras. recticaineratum — Orthoceras. recticulatus — Alveolites, Favosites. rectif ormis — Modiolopsis. rectilateralis — Lingula, Lingula (Pseudo- lingula) . rectilinea — Chaunograptus. rectilineata (urn) — Cladopora, Dictyone- ma. rectinmralis — Monotrypa. rectirostris (a) — Cypricardites, Meristella, Meristina, Vanuxemia. rectistriata — Lophospira. rectus (m) — Arabellites, Clathrodictyon, Crinocystites, Cyrtoceras, Dendrograp- tus, Dicellograptus divaricatus, Dicra- nograptus, Didymograptus, Modiolop- sis, Monograptus, Orthoceras, Ortho- ceras (Euorthoceras), Orthodesma, Rho- docrinus, Strep torhynchus. recurvirostris (a) — A n a z y g a, Atrypa, Rhynchonella, Zygospira. recurvus (a, um) — Bellerophon, Cteno- donta, Hypseloconus, Metoptoma, Tel- linomya. refulgens — Monobolbina, Obolus. regius — Cleiocrinus. regularis (e) — Beyrichia, Bollia, Cerato- pora, Cyrtoceras, Diplotrypa, Meso- trypa, Platystrophia, Streptotrochus, Subulites, Tentaculites, Thamnis- cus. 1392 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. reinwardtii — Clavaeblastus, Pentatrema- tites, Pentremites, Troostocrinus. remipes — Eurypterus. remotiseptum — Actinoceras, Hormoceras, Ormoceras. remotus (a)— Clonograptus, Dichograp- tus, Discosorus, Grammysia. remus — Orthoceras. reniformis (e) — Beyrichia logani, Primi- tia logani, Rhombodictyon. rensselaerica — Eurychilina subradiata . repens — Alveolites, Aulopora, Millepora, Orthoceras, Vinella. repertus (m) — Spirifer (Eospirifer), Try- blidium. r e splenden s — Leperditia . reticularis — Anomia, Atrypa, Crania, Te- rebratula, Trematis. reticulatus(a, um) — Actinopteria, Anoma- loides, Anomalospongia, Chasmatopora, Cladopora, Cyathodictya, Cyathophy- cus, Dictyograptus, Dictyonella, Dic- tyostroma, Eichwalida, Eschara, Eury- chilina, Favistella, Intricaria, Lep- tsena, Orbitolites, Orbituloides, Phyllo- porina, Receptaculites, Rhynchonella, Strophomena, Subretopora, Tretaspis. retiformis — Dictyonema, Gorgonia, Sy- ringopora. retractilis — Dendrocrinus . retroflexa — Clitambonites (Gonambonites) plana, Gonambonites plana. retrorsus (a, um) — Ambonychia, Bysso- nychia, Calymene meeki, Ctenodonta, Cyrtolites, Dinorthis, Metoptoma, Nc- matopora, Orthis, Plaesiomys, Trocho- nema, Tryblidium. reversata — Orthis biforata, Platystrophia, Streptaster. reversus (a, um) — Anastrophia, Arthro- pora, Brachymerus, Crania, Cyrtoceras, Holopea, Parastrophia, Pentamerus. revoluta — Pterinea, Rhombopteria (New- somella). rhine — Hyolithes. rhinoceros — Amphilichas. rhombicus (a) — Chaetetes, Micropora. rhombiferus — Cyathocrinus, Palaeocrinus. rhombiforme — Rhombodictyon reniforme. rhomboidalis — Conchita, Leptaena, Plec- tambonites, Strophomena. rhomboidea (um) — Avicula, Cleionychia, Clionychia, Leptodesma, Modiolopsia, Posidonomya, Pterinopecten. rhombolineare — Gyroceras. rhynchonelliformis — Orthis, Rhipidomel- la, Rhipidomella uberis. rhyncocephalus — Acidaspis. rhythmoides — Orthoceras (Eu-orthoceras) richardsoni (i) — Actinoceras, Arachno- phyllum, Beyrichia, Canistrocrinus, Clonograptus, Drepanella, Eopteria, Glyptocrinus, Graptolithus, Grapto- lithus (Monoprion), Holograptus, Le- visia, Orthoceras, Reteocrinus, Rouvil- ligraptus, Strombodes, Subulites. richmondensis (e) — Archinacella, Bu- cania, Byssonychia, Conocardium, Cor- nulites, Girvanella, Hebertella alveata, Homotrypa, Leptaena, Protarea, Ra- phistoma, Salpingostoma, Strephoche- tus, Stromatocerium, Tentaculites. riciniformis — Lingula, Lingula (Glos- eina). ridleyana — Protorhyncha, Rhynchonella. rigidus (a, um) — Clonograptus, Columna- ria alveolata, Cyrtoceras, Dicellograp- tus, Dicellograptus divaricatus, Dicho- grapsus, Graptolithus, Graptolithus (Monoprion), Orthoceras, Palaeasterina, Petraster, Stictoporella. ringuebergi— Nicholsonella. robbinsi — Amphilichas, Eunema, Lichas (Hoplolichas), Lichas (Platymetopus), Trochonema (Eunema). robertsoni — Eurystomitea, Lituites. r ob soni — Tripleuroceras . robustus (a, um) — Ambonychia, Amplex- opora, Aparchites minutissimus, Atry- pa, Beyrichia, Beyrichia chambersi, Byssqnychia, Bythocypris, Ceratop&is chambersi, Ceraurus (Sphaerocoryphe), Ctenodonta nasuta, Dekayella, De- kayella ulrichi, Delcayia ulrichi, Dicty- onema, Eurypterus, Helicotoma planu- lata, Hughmilleria socialis, Lamptero- crinus, Licrophycus, Megalomphala, Nereites, Nereograpsus, Pachydictya, Pleurocystis, Pleurocystis squamosa, Pleurocystites, Pleurocystites squa- mosa, Protaxocrinus, Rhynchonella, Scenella, Sphaerocoryphe, Streptelasma. roemerana — Brachiospongia. roemeri — Caryocrinites, Caryomanon, Cyrtocrinus, Dimerocrinus, (Eospon- gia), Gypidula, Melocrinus, Meristina maria, Orthothetes, Schuchertella, Sie- berella, Strophonella. INDEX OF SPECIFIC NAMES. 1393 rogata — Dalmanella, Orthis. rogersensis — Bellerophon, Clitambonites, Clitambonites diversus, Conularia tren- tonensis, Dalmanites carleyi, Heber- tella (Eridorthis), Modiolopsis, Ortho- ceras, Plectorthis (Eridorthis), Ptery- gometopus carleyi. rogersi — Lingulella, Obolus (Lingulella), Obolus (Westonia). rollinii — Cyathophy Hum . romingeri — Asaphus, Basilicus, Chala- zodes, Glassia, Huronia, Lophiostroma, Ptychopyge, Sphaerexochus. roosevelti — Pseudoniscus. rosaeformis — Cupellsecrinites. Cupella- crinus, Marsipocrinus. rossi — Protowartliia, Sinuites. rostellum — Spirifer, Spirifer (Cyrtia). rostralis — Hindella (Greenfieldia). rostratus (a) — Calymene, Calymenella, (Enonites. rotadentatus — Cyclograptus. rotalineatum — Gyronema. rottermundi — Endoceras, Orthoceras. rotulata (urn) — Actinoceras, Cyrtodonta, Orthoceras. rotulif ormis — Euomphalus (Raphistoma) , Raphistoma. rotuloides — Cyclolites, Pleurotomaria. rotundatus (a) — Bellerophon, Bucania, Cypricardites, Maclurea, Maclurites, Megalomphala, Nucleospira, Obolus, Obolus (Lingulella), Vamixemia, Whit- fieldella. rotundif rons — Cyclognathus . rotundispira — Pleurotomaria . rotundus (a, um) — Acrothele, Anastro-, phia hemiplicata, Archinacella, Daw- sonia, Dianulites, Eucalyptocrinus, Eurystomites, Holocystites, Holopea, Linipora, Parastrophia hemiplicata, Triblidium. nibra — Leiopteria. ruda — Modiolopsis. rudis — Dystactospongia, Pachydictya (Rhinidictya), Primitia, Ptilodictya, Saccospongia, Schizocrania, Trematis. ruedemanni — Dictyonema flabelliforme, Diplograptus. rugselineata (um)— Cyclonema, Euom- phalus (Cyclonema), Poleumita. rugaeplicata — Orthis . rugata — Liospira, Raphistomina. rugatina — Archinacella, Bucania, Del- thyris, Whitella. rugatula — Pterinea, Zaphrentis. rugicosta — Delthyris, Rhynchonella, Spirifer (Delthyris). rugiplicata — Orthis. rugo sum — Trochonema . rugosus (a, um) — Atrypa, Avicula, Bato- stoma, Bellerophon, Bucania, Calceo- crinus, Callopora, Callopora ramosa, Calymene, Camarocladia, Castocrinus, Chaetetes, Columnaria, Conularia, Cru- ziana, Cypricardites, Cyrtodonta, Cy- therella, Cytheropsis, Dendroclonella, Diphyphyllum, Diplograptus, Erido- phyllum, Fistulipora, Hallopora, Har- modites, Hudsonaster, Leptsena, Loxo- nema, Matheria, Monticulipora, Monti- culipora ramosa, Monticulipora (Hete- rotrypa) ramosa, Murchisonia, Palaeaste- rina, Palseophycus, Palseophyllum, Plectambonites, Primitia, Rhyncho- nella, Stromatocerium, Stromatopora, Strophomena, Strophomenes, Trachy- um, Walcottia. rugulifera— Beyrichia, Primitia. rugulosus — Agnostus pisiformis. ruida (um) — Dalmanella, Orthis, Raphi- stoma. rusti — Conotreta. rusticus (a, um) — Dendrocrinus, Gram- mysia, Homotrypella, Monticulipora (Fistulipora), Pachydictya, Petraia, Ptilodictya, Streptelasma, Zaphrentis. rutilius — Ampyx, Ampyx (Lonchodo- mas). rutrellum — Eoharpes, Harpina. rutuloides^— Palseocyclus. sacculus — Receptaculites, Saccocrinus, Thecocystis. saffordi — Actinomya, Anoplotheca, Ba- thyurus, Clioderma, Coelospira, Cyrto- ceras, Cyrtodonta, Cypricardites, Halli- na, Isochilina, Lloydia, Lophospira, Murchisonia, Orthis, Orthodesma, Pa- laearca, Pterotheca (Clioderma), Rhipi- domella, Rhynchonella, Spirifer (Del- thyris), Whiteavesia, Wilsonia, Zygo- spira. Sagittarius — Didymograptus, Graptoli- thus, Monograptus. sagitticaulis— Didymograptufl. saienzii— Tentaculiteg. 1394 BULLETIN $2, UNITED STATES NATIONAL MUSEUM. salopiensis — Dicellograptus divaricatus. saltsensis — Pterygometopus, Orthis. salteri — Amphion, Callograptus, Cyclo- cystoides, Eunema, Hormotoma, Loxo- nema, Menocephalus, Obolella, Obolus, Pliomerops, Sphaerocoryphe, Stenaster, Stricklandinia, Trochonema, (Eune- ma). sancta — Rhynchonella, Stephanella. sanctipauli — Primitia. sanctisabae — Euomphalus, Straparollus. sandalina — Calceola. sanguinolaroidea — Lyonsia, Tellinomya, Tellinomya (Ctenodonta). saratogeusis — Agraulos, Billingsia, Ma- therella, Plethopeltis, Ptychoparia, Trochus. sardesoni — Chsetocladus, Cypricardites, Vanuxemia. sarlei — Lepidocoleus, Mitoclema. sarmentosa — Cladopora. sarmienti — Maclurea, Macluritea. satyrus — Ceraurus (Neiszkowskia), Chei- rurus, Nieszkowskia, Pseudosphaerexo- chus (Nieazkowskia). sauridens — Poterioceras. savagei — Aulocerium . saxea — Leptaena, Plectambonites. saxir o seum — Cryptoz oon . sayi — Orthoceras. scabiosa — Crania, Petigopora, Philhedra. scabra (tun) — Dermatostroma, Labechia, Stromatopora. scala — Cyrtodonta. scalariformis — Dictyonema, Orthoceras. scalaris — Climacograptus, Leperditia, Leperditia gibbera. scalpellum — Stictopora. scammoni — Orthoceras. scamnata — Poleumita. scapha — Cuneamya. s caphula — Orthodesma . scarabasoides — Entomostracites, Para- doxides, Peltura, Olenus, Trilobites. scharenbergi — Climacograptus. scheii — Lissatrypa. schizocrinus — Podolithus. schlotheimi — Apatokephalus, Remopleu- rides. schmidti — Dalmanites, Leperditia, Pte- rygometopus. schohariae — Aulopora. schoolcrafti — Cyrtocerina. schuchertana — Catazyga headi, Glassia. schucherti — Atactoporella, Aulopora, Ba- thyurus, Cyathophyllum, Fusispira, Homeospira, Lingulasma, Lingulelas- ma, Orbiculoidea, Orthoceras, Ortho- desma, Schizocrania, Taeniodictya. scitulus (a) — Hallia, Holocystites, Nucu- lites, Pachydictya, Stictopora. scobina — Lingula, Rhynchonella, Rhyn- chonella neglecta. scofieldi — Anastrophia, Ceraurinus, Ce- raurus, Ctenodonta, Cyrtoceras, Cyrto- metopus, Isochilina, Macronotella, Pa- rastrophia, Strophomena, Tellinomya, Whitella. scoparius (m) — Conchidium, Dendrocri- nus, Homocrinus, Lasiocrinus. scorpionis — Eurypterus, Eusarcus. scotica — Siphonotreta. scovillei — Austinella, Dinorthis, Heber- tella, Orthis, Plectorthis. s crinium — Gomphoc eras . scrutator — Holopea, N ileus. sculptilis — Bucania, JIalliella, Lyriocri- nus, Primitia, Rhodocrinus, Salpingo- stoma. sculptus — ^Ethocystites, Archaeocrinus, Balanocrinites, Cleiocrinus, Cyathocri- nites, Cyathocrinus, Glyptocrinus, Me- locrinites, Melocrinus, Rhaphanocri- nus. scutella — Zaphrentis. scutellatus — Arabellites, Holocystites. scutula — Anthaspidella. secalinus — Diplograptus. sectostriata — Cyclocoalia, Encuclodema, Orthis, Plectorthis. securiformis — Avicula, Pterinea. securifrons — Whitella. sedentarium — Cystiphyllum. sedgwicki — Actinoceras, Graptolithus (Prionotus), Menocephalus, Orthoceras. seelyi — Bathyurus, Bolbocephalus, Iso- chilina, Lituites, Lophospira, Ooceras, Pagodia, Primitia, Tarphyceras. selectus (a, um) — Dikelocephalus, Pe- traia, Pleurotomaria, Ptychaspis, Strep- telasma. selenecephala — Calymene . selenoides — Receptaculites. selkirkensis (e) — Dianulites, Mesotrypa, Orthoceras. selwyni (i) — Goniograptus thureaui, Le- perditia, Lingula, Monticulipora, Or- thoceras, Prasopora. INDEX OF SPECIFIC NAMES. 1395 semele— Plethospira, Pleurotomaria. semicarinata (urn)— Archinacella, Cyclo- nema, Gyronema. semicostata — Ampyx, Ampyx (Loncho- domas) . semif a s data — S trophomena ( S trophodon- ta), Strophonella. semilunata — Bollia . seminulum — Halliella. semiovalis — Orthis pectinella, Stropho- mena. semipilaris — Cyphotrypa, Leptotrypa . semiplanata (um) — Jovellania, Orthoce- ras, Tripteroceras. semiplicata — Atrypa, Camarotoechia, Rhynchonella. semiradiatus — Actinocrinus (Saccocri- nus), Clidophorus, Macrostylocrinus, Periechocrinus, Saccocrinus. semistriata (um) — Cymatonota, Ortho- desma. senaria — Calymene, Calymene blumen- bachii. senecta — Modiolopsis, Orthis (Schizopho- ria), Schizophoria. senex — Platyceras, Platystrophia acutili- rata, Porcellia. senilis — Rhinidictya mutabilis. sentum — Eridophyllum . separatus (a) — Homotrypa, Strombodes. septatus (a) — Amplexus, S trophomena. septembrachiatus — Agelacrinites, Agelac- rinus. septemnotatus — Protichnites. septentrionalis — Ambonychia, Recticu- laria, Uncinulus. septoris — Cyrtoceras, Gomphoceras, Sep- tameroceras. septosa — Amplexopora, Atactopora, Mon- ticulipora. isequens — Ophiletina sublaxa. seriata — Cladopora, Favosites. seriatopora — Alveolites. sericeus (a) — Leptaena, Plectambonites, Strophomena, Trichospongia. serpens — Aulopora. serpularis — Cornulites. serra — Fucoides. serratulus — Didymograpsus, Didymo- graptus, Graptolithus, Graptolithus (Monograptus), Graptolithus (Mono- prion). serratus — (Enonites. serrulata — Lophospira, Murchisonia. servile — Orthoceras, Tripteroceras, Trip- toceras. sesostris — Dicellocephalus, Dikelocepha- lus, Ptychaspis. sessilis — Stigmatella. setaceus — Glossograptus. setifera — Crania, setigera — Crania, Eotrophonia. severnensis — Tyrellia. sevieri — Batostoma. sexcarinata — Tetranota. sextans — Dicellograptus, Dicranograptus, Diplograptus, Didymograpsus, Didy- mograptus, Graptolithus. sexto catenatus — Halysites. sha(e)fferi — Arthropora,Arthroporacleve- landi, Glyptocrinus, Mesopalsester, Pa- laeaster, Ptilodictya, Pycnocrinus, Stic- topora. shaleri — Brachyprion, Eurymyella, Eu- rymyella breva, Stropheodonta. shawangunk — Hughmilleria. shawi — Porocrinus . shelbiensis — Bellerophon . shepardi — Heliolites. sheppardi — Spirif er . sherzeri — Stylodictyon. shriveri — Thecia . sliuniardi — Amplexus, Camarocystites, Cyathophyllum, Cyrtoceras, Geisono- ceras, Orthoceras, Zaphrentis. sidenbladhi — Agnostus. sieboldi — Orthoceras. sigaretoides — Pleurotomaria. sigilla — Mytilarca. sigillarioides — Callopora, Chaetetes, Hal- lopora onealli, Protostigma. sigillaroidea — Callopora . sigillaroides — Callopora, Protospongia. sigilla ta — Beyrichia, Primitia. sigmoidea — Cypricardites, Cyrtodonta, Whitella. siliqua — Cytheropsis, Macrocypris. siliquaria — Dawsonia, Lockeia. sillimanensis — Cyrtodonta . sillimanl — Myrianites. siluriana — Crania, Cyathophycus, Diplo- stenopora, Escharopora, Fistulipora, Gorgonia, Strophomena, Whitella. siluriceps — Dolichopterus. siluricus — Platycrinus, Pollicipes. silurien se — Ascodic ty on . similior — Pentamerus, Spirifer, Spirifer (Martinia). 1396 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. similis (e) — Arabellites, Archinacella, Bellerophon, Conradella, Dendrocri- nus, Didymograptus, Eridotrypa, Eu- nema, Graptolithus, Helicotoma, Holo- pea, Homotrypa, Metoptoma, Modio- lopsis, Phragmolites, Phyllograptus, Platystrophia, Stictopora, Stictotrypa, Tellinomya, Trochonema (Eunema), Tryblidium. simillimus — Bathyurus . simplex — Archinacella, Arthropora, Azy- gograptus, Beyrichia, Cyrtoceras, De- kayella prsenuntia, Dendrograptus, Di- cranella, Ectenocrinus (Heterocrinus), Eunicites, Fucoides, Gypidula, Hetero- crinus, Heterocrinites, Ichthyocrinus, Lecanocrinus, Mastigograptus, Metop- toma, Octonaria, Onchometopue, Pa- laeaster, Palseophycus, Protoscolex, Rhynchotreta, Spirifer (Delthyris) cris- pis, Spirifer (Reticularia) crispus, Tetra- della, Tetradella quadrilirata, Thlip- eura, Trematospira, Tryblidium. simpsoni — Endoceraa, Narthecoceras, Or- thoceras. simulans — Crepipora, Cyclonema, Eu- rymyella, Orthonota, Primitia, Primi- tiella. simulator — Illsenus, Orthoceras. simulatrix — Archinacella, Batostomella, Bucania, Ctenodonta, Eridotrypa, Hor- motoma, Modiolopsis, Monticulipora, Murchisonia-, Prasopora. sinemurus — Strombodes. singularis (e) — Bucania, Callopora, De- kayella, Heterotrypa, Leioclema, Mon- ticulipora, Trematopora. sinistra — Polygyrata. sinosus — Meristina profunda. sinuatus (a, um) — Anatina, Cypricardi- tes, Cyrtoceras, Cyrtolites, Delthyris, Euomphalus, Hebertella, Hebertella occidentalis, Hemipronites, Ilionia, Leperditia, Modiolopsis, Orthis, Orthis occidentalis, Orthodesma, Orthothetes deformis, Psiloconcha, Retzia, Rhyn- chospira, Rhytimya, Schuchertella, Straparollus, Streptorhynchus, Stro- phomena. sinuosus (a) — Ctenodonta, Cyrtolites, Nu- cula. siplio — Acrotreta. siphonatus — Glyptocrinus. skiffi — Stephanocrinus. smithi — Bathyurus, Dalmanella, Dicello- graptus, Haploconus, Orthis (Dalma- nella), Porocrinus. smocki — Kloedenia. sobrina — Homeospira, Retzia. socialis (e) — Crania, Ctenodonta, Cythe- rodon, Dictyonema, Graptopora, Hugh- milleria, Orthoceras, Orthoceras (Gei- sonoceras), Tellinomya, Tellinomya (Nucula), Zaphrentis. sol — Cheirurus, Heliomera. sola — Orthis, Rhipidomella. solarioides — Pleurotomaria, Pycnompha- lus. solidissima — Fistulipora, Lioclemella. solidus (a) — Crepipora, Eridotrypa, Eu- rychilina, Homotrypa, Lecanocrinus, Trematopora. solitarius (a, um) — Athyris, Bathyurus, Bellerophon, Ceraurus, Cheirurus, Cho- nophyllum, Cyathophyllum, Cyrto- donta, Discina, Heterotrypa, Lloydia, Whitfieldella. solivaga — Hyalostelia. solutus (a) — Loxoplocus, Murchisonia. sordidus (a, um) — ^Atrypa, Cycloco2lia, Encuclodema, Leptella, Maclureu, Ma- clurites, Ophileta, Orthis, Orthoceras, Plectorthis, Rhynchonella, Straparol- lus. s oror cula — Lophospira, Murchisonia . southwelli — Ascoceras. sowteri — Mod iolopsis. spangleri — Holocystites. spania — Orthis flabellites. sparsiplica — Cyclospira. sparsus (a, um) — Arenicolites, Diplo- clema, Heliolites, Trematopora. spaskii — Cyclocrinites, Cyclocrinus. spatiosa — Crepipora. speciosus (a, um) — Actinocrinus, Gonio- phora, Goniophorus, Gyronema, Helio- lites, Lyellia, Maclurea, Maclurites, Orthonota, Palseaster, Palseasterina, Periechocrinus, Petraster, Promopalse- aster, Propora, Ptychaspis, Saccocri- nus, Whitfieldella. spectabilis — Ctenopyge, Leptoplastus. spenceri — Dictyonema. sphaericus — Holocystites . spheerion — Leptotrypa, Paleachara, Pa- leschara (Chsetetes). INDEX OF SPECIFIC NAMES. 1397 sphseroidalis (e) — Actinoceras, Hindia, Holocystites, Huronia, Stribalocystites, Orthoceras. spicula — Fusispira. spiculata — Trematopora. spindicandum — Chalazodes, L o p h i o- stroma. spinea — Homotrypa. spinifer (a, tun) — Calymene, Climaco- graptus typicalis, Cypricardites, Cyrto- donta, Dicranograptus, Dicranograptus ramosus, Dictyonema, Homotrypa, fla- bellaris, Leptograptus flaccidus. spiniformis — Arthroclema, Helopora. spiniger — Acantholenus, Acidaspis, Ano- mocare, Bathyurus, Leptoplastus. spinigems (a) — Crania, Favosites, Favo- sites niagarensis. spiniporus — Heliolites . spino sula — Monotry pa . spinosus (a) — 2Echmina, Beyrichia, Bry- ograptus, Chonetes jer&eyensis, Clonc- graptus, Cytherina, Dendrograptus, Di- cranella, Didymograptus, Eridotrypa, Helicotoma, Leptoplastus, Mesotrypa, Paleocoma, Proetus, Stigmatella, Ta> niaster, Trematopora primigenia, Tri- arthrus. spinulif era — Rhombotrypa . spinulo c ervix — C yphaspis . spinulosus (a, um) — Bythopora, Cysti- phyllum, Diplograptus, Entomostra- cites, Glossograptus, Graptolithus, Ole- nus, Palaeaster, Parabolina, Paradoxi- des, Promopalseaster, Trematopora. spinulus — Coleolus . spiralis — Ecculiomphalus, Eccyliompha- lus, Eccyliopterus. spironema — Lophospira, Murchisonia . spissiseptum — Orthoceras. spissus (a) — Lingulella, Obolus (Lingulo- bolus), Sphseiobolus. splendens— Dictyonema, Gaurocrinus, Holocystitites, Homotrypa, Pachydict- ya, Ptychocrinus, Serpulites. splendidus (a) — Conularia, Eucalyptoori- nites, Eucalyptocrinus. spongaxis — Streptelasma, Zaphrentis. spongilla — Favosites. spongioides — Solenopora. spongiosa — Calostylis, Heliolites. sponsa — Pleurotomaria. springer! — Eucalyptocrinus. springfieldensis — Illsenus. spurlocki — Proetus. spyroceroides — Orthoceras (Spyroceras). squamiformis — Craniops, Orbicula, Pho- lidops. squamosus (a) — Orthis (Hebertella) fausta, Pleurocystis, Pleurocystites. squamula — Rafinesquina, Strophomena. stamineus (a, um) — Delthyris, Raphis- toma, Scalites, Spirifer. starri — Lingulella, Lingulepis. steeli — Cryptozoon . stegops — Isotelus . stella — Phyllograptus . stellaris — Reteocrinus, Retiocrinus. stellatimsulcata (um) — ^Astylospongia, Ca- ryomanon, Spongia, Carpomanon. stellatus (a, um) — Agelacrinus, Ascodic- tyon, Camarocrinus, Ceramoporella, Columnaria, Cupellaecrinites, Cupellae- crinus, Eurypterus (Dolichopterus), Favistella, Hemicystites, Marsipocri- nus, Palseasterina, Pseudocrinites, Schuchertia, Scyphia, Trentonaster. stellifer— Protaster. stellif orme — Heliophycus . stelzneri — Leptsena, Maclurea, Maclu- rites. stenactinotum — Dictyonema. stenosus— Diplograpsus. stenotoides — Anomocare. sterlingensis — Cornulites, Cypricardites, Dolabra, Eurydictya, Rhynchotropis, Tentaculites, Whitella. stevensoni — Platystrophia ponderosa. stidhami — Cyphotrypa, Leptotrypa, Mon- ticulipora. stigmatus (a) — Calceocrinus, Cheirocri- nus, Deltacrinus. stigmosa — Bucania. stokesi (i) — Asaphus, Columnaria (Palseo- phyllum), Diphyphyllum, Lithostro- • tion, Omphyma, Phacops, Proetus, Ptychophyllum, Zaphrentis. stokesiana — Pleurotomaria . stoneanus (a) — Lingulella, Obolus (West- onia). stonemani (i) — Bathyurus, Proetus. stonensis (e) — Cyrtoceras, Dalmanella, Orthis, Piancdema. stosei — Saukia. strangulatum — Endoceras proteifonne. strenuus — Bathyurus, Lloydia. striaecosta — Ambonychia, Pterinea. striselineatum — Orthoceras . 1398 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. striatellus (a, um) — Chonetes, Clathro- dictyon, Orthis, Stromatopora. striatissimus — Spirifer modestus. striatomarginatus (a) — Beyrichia, Eury- chilina. striatopora — Helopora, Nematopora, Thamniscus. stria tulus (a, um) — Cyathophyllum, Cy- clonema gracile, Orthis, Prolobella, Remopleurides . striatus (a, um) — Arthroclema, Bytho- pora, Cladopora, Codonocheilus,Cteno- crinus, Cupellaecrinites, Cyathocrinus, Dendrograptus, Eridotrypa, Favastrsea, Favosites, Helcionopsis, Leptsena, Lin- gula, Lyellia, Maclurea, Maclurites, Macrostylocrinus, Marsipocrinus, Mar- eupiocrinus, Megambonia, Modiolopsis, Nileus, Palseocrinus, Palaeophycus, Plethospira, Pleurotomaria, Pterinea, Raphistoma, Sagenella, Scalites, Schiz- ocrinus, Scyphocrinus, Sphenolium, Straparollus, Strombodes, Stropho- donta, Strophomena, Strophonella, Strophonella (Amphistrophia), Trema- topora, Triblidium, Triplecia (Clif- tonia). Strickland! — Terebratula, Uncinulus, Un- cinulus (Uncinulina). strictispiralis— Beyrichia tuberculata. strictus — Callograptus, Inocaulis. strigatus (a, um) — Liospira, Orthoceras. strigillata (um) — Eunema, Trochonema. strigosa — Glauconome,' Helopora, Nema- topora. strix — Kiono'ceras, Orthoceras. stromatoporoides — Alveolites, Pycnopeg- ma. strongi — Euomphalus, Oxydiscus, Sinu- opea. stropheodontoides — Brachyprion, Stro- pheodonta. strophocrinus — Podolithus . strophomenoides — Orthis lenticularis, Plsesiomys, Valcourea. stylonuroides — Dolichopterus . subabbreviata — Lophospira, Murchisonia. subacutus — Cyrtolites, Oxydiscus, Tech. nophorus. subeequalis — Lichenocrinus, Schmidtella incompta. subaequata — Crepipora, Dalmanella, Eu- rychilina, Orthis, Orthis (Dinorthis), Plan ode ma. subalatus (a) — Modiolopsis, Murchisonia. subangularis — Bellerophon, Ichthyocri- nus. subangulatus (a, um)— Bucania, Cruzi- ana, Cypricardites, Cyrtodonta, Ed- mondia, Hormotoma, Palaearca, Pleu- ronotus, Orthodesma, Rusophycus. subannulatus (a, um)— Cyrtoceras, Endo- ceras, Endoceras (Cameroceras), Maclu- rea, Maclurites, Proetus, Spyroceras. subarctica— Fenestella . subarcuatus (a, um)— Avicula, Cyrtoce- ras, Orthoceras, Modiolopsis. subbaculum — Orthoceras. subbre vis — Fusispira . subcancellatum — Cyrtoceras, Orthoceras. subcarinatus (a) — Actinomya, ^Egilops, Carinaropsis, Cypricardites, Cyrto- donta, Cyrtodonta huronensis, Cyrto- lites, Hormotoma, Modiolopsis, Whit- ella. subcentrale — Endoceras. subcircularis — Homceospira. subcirculus (a) — Orthis, Rhipidomella. subclavatus — Arionellus, Ptychaspis. subcompressus (a, um) — Cyrtoceras, Cyr- toceras (Glyptoceras), Cyrtoceras (Glyp- todendron), Cyrtolites, Protowarthia, Sinuites. subconcava — Liospira. subconicus (a) — Clathrospira, Holopea, Meekospira, Pleurotomaria, Subulites. subcostulatum — Barrandeoceras. subcrassus (a, um) — Actinocrinus, Cte- nobolbina, Heterocrinus, Isocrinus, Trochonema. subcuneatus — Pyrenomoeus . subcylindrica — Cytherina, Cytheropsis, Labechia, Leperditia, Macrocypris, Me- tablastus, Monticulipora, Pentremites, Stromatopora, Troostocrinus. subdepressa — Pleurotomaria. subelliptica (um) — Allodesma, Avicula, Ctenodonta, Cytherina, Cytheropsis, Eccyliomphalus, Lingula, Modiolopsis, Pholidops, Prolobella. subelongata — Loxonema. subelongus — Favosites. suberecta — Byssonychia, Cypricardites, Plethocardia, Vanuxemia. subfrondosa — Dekayia, Heterotrypa. subfusiformis — Fusispira, Lioclemella, Loxonema, Monticulipora (Monotrypa), Murchisonia, Subulites. INDEX OF SPECIFIC NAMES. 1399 subglobosus (a)— Chsetetes, Ccelocystis, Eucalyptocrinus, Glyptocrinus, Glyp- tocrinus dyeri, Gypidula, Hemicosmi- tes, Holocystites, Lampterocrinus, Ma- crostylocrinus, Monotrypa, Reteocri- nus, Trematocystis. subglobulus — Bellerophon. subgracilis (e) — Bythopora, Gomphoce- ras, Homotrypella, Poteriocrinus. subimbricatus (a) — Diamesopora, Hyoli- thes, Trematopora. subjugata — Hebertella, Orthis. sublaevis (e) — Cyclonema, Cythere, Glyp- tocrinus dyeri, Leperditia, Orthoceras. sublamellosa — Discina, Orbignyella. sublata — Bucania, Pachydictya pumila. sublaxa — Chasmatopora, Hormotoma gra- cilis, Ophileta, Ophiletina, Phyllopo- rina. sublenticularis — Polycope, Schmidtella. submarginata — Lingula, Mesomphalus. submersa — Spirifer sulcata. submodiolaris — Lyonsia. subnasutus (a, um) — Ctenodonta, Modio- lopsis, Orthodesma. subnodosus (a) — Buthotrephis, Callopo- ra, Glyptocrinus, Hallopora, Isochilina, Orthis, Rhaphanocrinus. suboblonga — Lingula . suborbicularis — Whitella. subovalis (e) — Modiolodon, Orthodesma, Psiloconcha. subovatus (a) — Bellerophon, Clidophorus, Ctenodonta, Cypricardinia, Cypricardi- tes, Cyrtodonta, Holocystites, Maclu- rea, Whitella. subparallela — Modiolopsis. subpatula — Bucania nana. subplanus (a, um) — Avicula, Callopora, Cyrtolites, Discina tenuilamellata, Eu- rymya, Fusispira angusta, Hallopora, Hemipronites, Leptsena, Leiopteria, Liopteria, Lyrodesma, Orbiculoidea, Orthothetes, Pterinea, Pteronites, Ra- phistoma, Schuchertella, Streptorhyn- chus, Streptorhynchus (Strophodonta), Strophomena. subpulehellus (a) — Chsetetes, Dekayia, Dekayia perfrondosa, Heterotrypa, Monticulipora. subquadrans — Tetradella. subquadratus (a)— Christiania, Cypricar- dinia, Dinorthis, Helicotoma, Lepteena, Monotrypella, Monticulipora quadrata, subquadratus — continued . Orthis, Plsesiomys, Platystrophia, Pseu- docrinites, Pterinea, Ptychopteria, Rhombotrypa, Whitfieldella. subquadrilateralis — Modiolopsis. subradiata — Eurychilina. subramosa (um) — Atactopora, Dekayia, Heterospongia, Heterotrypa, Homo- trypa, Lioclema. subrectus (a, um) — Avicula, Aviculopec- ten, Ctenodonta, Escharopora, Modiolo- don, Oncoceras, Pentamerus oblongus, Psiloconcha, Ptilodictya, Tellinomya. subregularis — Zaphrentis . subretiformis (e) — Calyptograpsus, Ca- lyptograptus, Dictyonema. subrhomboidea — Camarotoechia acinus, Modiolopsis. subrotundus (a) — Allonychia, Archina- cella, Astylospongia, Chsetetes, Cteno- bolbina, Ctenodonta, Cytherella, Eccy- liomphalus, Hindia sphseroidalis, Holo- cystites, Maclurea, Maclurina, Micro- spongia, Schmidtella, Tellinomya, Va- nuxemia, Zittelella typicalis. subrugosa — Avicula, Pterinea. subspatulatus (a) — Cypricardites, Lyon- eia, Modiolopsis, Palaearca, Prolobella. subsphericus (a, um) — Cyathophycus, Sphserodictya, Teganium. subsulcatus (a, um) — Spirifer (Delthy- ris), Streptorhynchus, Whitfieldella. subtenta (um) — Hemipronites, Leptsena, Streptorhynchus, Strophomena, Stro- phomena planumbona, Strophomena rugosa. subtenuis — Didymograptus, G r a p t o- lithus, Leptograptus. subtilistriata — Liospira, Pleurotomaria, Raphistoma. subtransversa — Prosserella, Reticularia. subtrigona — Ctenodonta, Nucula. subtrigonalis — Atrypa, Eichwaldia, He- mithiris, Rhynchonella, Rhynchotre- ma insequivalvis. subtruncatus (a) — Cypricardia, Cypricar- dites, Cyrtodonta, Edmondia, Lyonsia, Modiolopsis, Orbicula, Pholidops, Whit- ella. subtubulatus (a) — Heliolites, Heliolitea micella. subturbinatus (a, um) — Cyrtoceras, Is- chadites, Omphyma, Receptaculites, subulata — Hormotoma, Holopella, Loxo- nema. 1400 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. subundata — Ambonychia, Clionychia. Posidonomya. subvada — Zaphrentis. subvesicularis — Zaphrentis. succulens— Buthotrephis, Licrophycus. succulentus — Dendrograptus. succulosa — Buthotrephis. sulcatinus (a) — Bellerophon, Bucania. sulcatus (a, um) — Atrypa, Beatricea, Cos- cinopora, Cyclonema, Delthyris, Eu- omphalus, Fusispira, Glycerites, Hemi- pronites, Leperditella, Leperditia, Lep- tsena, Merista, Modiolopsis, Palseocri- nus, Poleumita, Polytropis, Productus, Ptilodictya, Spirifer, Streptorhynchus, Streptotrochus, Strophomena, Tricho- phycus, Walcottia, Whitfieldella. sulcifer — Productus. sulcocarinata — Protozeuga. sulcodorsata — Cunearnya, Saffordia. sumnerensis — Lophospira, Murchisonia. superbus (a, um) — Actinomya, Ambony- chia, Amplexopora, Batostoma, Bathy- urus, Cleionychia, Ecculiomphalus, Eccyliomphalus, Lyellia, Metoptoma, Modiolopsis, Phsenopora, Ptilodictya, Scenella, Trematopora, Whiteavesia. superectes — Didymograptus. supracingulata — Eotomaria, Pleurotoma- ria. supraplana — Holopea. supreinus — Tentaculites. surcularis — Ccenograptus, Graptolithus gracilis, Nemagraptus gracilis, Stepha- nograptus. surgens — Cyrtoceras. susae — Asaphus, Isotelus, Onchometo- pus. sussexensis — Beyrichia, Kloedenia. Sutherland! — Columnaria . swallowensis — Spirifer (Delthyris) . swanana — Ambonychia. s wartzi — Nucleospira . sweeneyi — Dinorthis, Orthis, Or this (Di- northis) pectinella. swezeyi — Scsevogyra. swindernana — Thecia. sybillina — Pleurotomaria . sylpha — Maclurea, Maclurites, Murchi- sonia. symmetra — Ptilodictya. symmetricus (a) — Beyrichia, Bollia, Dre- panella, Eurychilina, Holopea, Kloe- denella, Leperditia, Turbo , Whitea vesia . syphax — Cyrtoceras, Eremoceras. taeniola — Lingula . talacastrensis — Strophomena. tantulus — Fenestella, Polypora. taraxacum — Tetragraptus. tarijense — Dictyonema murrayi. tarquinius — Ceraurus, Cheirurus. taurifrons — Bathyurus. tauru s — IllsBnus . tecumseth (i) — Apiocystites, Brockocys- tis. tegulum — Conocardium . teller! — Dicranopeltis, Harpes. tenax — Gomphocystis, Gomphocystites, Triplecia (Cliftonia). tenellus (a, um) — Atactopora, Atactopo- rella, Ceratopora, Cypricardites, Cyrto- donta, Dictyonema, Ptilodictya, Sy- ringopora. tener (a) — Dendrocrinus, Matheria, Or- thoceras, Hormotoma, Plectambonites, Ptilodictya. tennesseeee — Actinocrinites, Cyathocri- nites, Cyathocrinus, Eucalyptocrinites, Eucalyptocrinus, Limaria, Symbathoc- rinites, Smybathocrinus. tennesseensis (e) — Calceola, Centrocri- nus, Corynotrypa, Cyclonema, Cysto- crinus, Helicotoma, Hormotoma sal- tcri, Idiocrinus, Lampterocrinus, Leca- nocrinus, Marsipocrinus, Marsupiocri- nus, Merista, Ormocrinus, Periechocri- nus, Platycriaus, Platycrinus (Cupel- lacrinus), Plectambonites, Rhizophyl- lum, Rhynchonella, Saccocrinus, Ste- phanocrinus, Strophostylus, Symba- thocrinites, Symbathocrinus, Turbo, Uncinulus. tennesseus — Cyathocrinus. tentaculatus — Graptolithus, Reteograp- tus, Retiograptus. tenuibrachiatus — Pycnosaccus. tenuiceps — Fenestella, Semicoscinium. tenuicosta — Pentamerus nysius. tenuicostatus (m) — Conchidium, Penta- merus, Pentamerus nysius. tenuidens — Orthis. tenuifiliata — Actinostroma, Stromato- pora. tenuifilum — Actinoceras, Hormoceras, Or- thoceras, Orthoceras (Ormoceras). tenuilamellatus (a) — Avicula, Aviculo- pecten, Discina, Orbicula, Orbiculoi- dea (Schizotreta), Schizotreta, INDEX OF SPECIFIC NAMES. 1401 tenuilineata (urn)— Dawsonoceras, Lep- tsena, Rhipidomella, Strophomena. tenuiliratum — Platyceraa. tenuimurale — Batostoma, Hemiphragma. tenuiradiatus — Actinocrinus, Palseocys- tites. tenuiramosus — Dendrograptus, Desmo- graptus, Mastigograptus. tennis (e) — Arthronerna, Arthrostylus, Buthotrephis, Bythotrephis, Dicello- graptus, Didymograptus, Diorychopora, Fenestella, Graptolithus, Heliolites, Helopora, Heterocrinus, Leptograptus, Orthothetes, Protarea, Protoscolex, Schuchertella, Stenocrinus, Strepto- rhynchus, Strophomena. tenui s culpta — Calvinella. tenuiseptum — Cameroceras, Cyrtoceras, Orthoceras. tenuisiphonatum — Orthoceras. tenuissimus (a) — Actinostro'ma, Nema- podia, Protowarthia, Ptilograptus, Sin- uites, Stomatopora, Stomatopora deli- catula. tenuistriatus (a, um) — Ambonychia, Amygdalocystites, Byssonchia, Cho- netes, Cornulites, Cyrtoceras, Daw- sonia, Discina, Endoceras proteiforme, Lepteena, Lophospira, Orbiculoidea, Orthoceras, Orthodesma, Psiloconcha, Spirifer, Strophomena, Strophonella, Tentaculites. tenuitextum — Endoceras proteiforme, Orthoceras. terebralis — Coelocaulus, Murchisonia. terebriformis — Fusispira, Hormotoma, Subulites. teres — Constellaria, Ptilodictya. teretiformis (e) — Cycloceras, Hormotoma, Murchisonia, Murchisonia bellicincta, Orthoceras. teretiusculus — Diplograptus. tersus (a) — Dalmanella, Orthis. tessellatus — Campanulites, Cleiocrinus, Cryptolithus, Ischadites, Receptacu- lites, Trinucleus. testudinaria — Dalmanella, Orthis. testudineus — Dolichopterus. tetracanthura — Protopeltura. tetragonoceplialus — Asaphus, Paradox- ides. tetragonum — Cyathophyllum . tetranema — Protospongia. teucer — Oncoceras. textilis (e) — Cyclonema, Holopea, Mur- chisonia, Orthoceras, Schizolopha, Stropheodonta, Stropheodonta (Lepto- strophia), Strophostylus. thales — Oncoceras. thalia— Cyclonema, Pleurotomaria, Stro- phomena. thallo sus — Inocaulis . thebesensis — Clorinda, Lophospira, Lyel- lia, Pterinea, Rhynchotreta. thisbe — Pterinea. thomii — Columnaria (Palseophyllum), Cyathophylloides. thompsoni — Cyrtoceras. thoroldensis (e) — Alveolites, Cyathophyl- lum. thresher! — Encrinurus. thureaui — Dichograptus, Didymograptus, Goniograptus, Graptolites. timidus — Lasiograptus bimucronatus. timon — Bathyurus. tityrus — Orthoceras. tonolowayensis — Anoplotheca concava. tornquisti — Ccelospira concava, Didymo- graptus. tortilis — Cyrtospira, Subulites. tortuosum — Palseophycus. tortus — Dicellograptus sextans. townsendii — Ascoceras, Pleurotomaria. tranceps — Cyrtodonta, Endodesma. transiens — Goniophora. transitionis — Maclurea, Maclurites. transversalis — Anomites, Bumastus, Illse- nus, Leptsena, Palseopecten, Plectam- bonites, Strophomena. transversus (a, um) — Conularia, Cyclo- nema, Encrinus, Orthoceras, Ptero- theca. trapezoidalis — Cyrtia, Spirifer. trentonensis (e) — Acidaspis, Actino- stroma, Amphilichas, Aparchites mi- nutissimus, Archinacella, Asaphus, Au- lopora, Brongniartia, Bumastus, Cam- eroceras, Ceratocephala, Ceraurinus, Ceraurus, Chasmatopora, Christiania, Cnemidium, Coaloclema, Conularia, Crania, Cryptonymus, Cyphaspis, Cyr- toceras, Cyrtolites, Dekayella, Dekayia, Diamesopora, Dicranopora, Diploclema, Ecculiomphalus, Eccyliomphalus, En- crinurus, Endodesma, Eridotrypa, Glos- sina, Homalonotus, Hormotoma, IllEe- nus, locrinus, Leptograptus flaccidus, Leptograptus flaccidus spinifer, Lichas, 1402 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. trentonensis — continued . Lingula, Lyonsia, Metoptoma, Modio- lopsis, Monotrypella, Monticulipora (Heterotrypa), Odontopleura, Onco- ceras, Orthoceras, Orthoceratites, Palse- oglossa, Pholidops, Phylloporina, Platy- metopus, Platynotus, Plectorthis plica- tella, Primicorallina, Prolobella, Proto- warthia cancellata, Peeudosphserexo- chus, Pterinea, Retepora, Rhinidictya, Romingeria, Sabellarites, Sinuites can- cellata, Spirifer, Strophomena, Subre- tepora, Tryblidium, Zittelella. trescotti — Pterinea (Tolmaia). triangularis — Conradella, Cypricardites, Lumbriconereites, Phragmolites. triangulatus (a) — Asaphus, Conularia, Eusarcus, Grammysia, Orthonota. triangulus — Ecculiomphalus, Eccyliom- phalus, Eccyliopterus. triarthrus — Paradoxides. tribulis — Atrypa, Dicellocephalus, Dikel- ocephalus. tricarinatus (a) — Hormotoma, Lophospira, Murchisonia, Pleurotrochus, Trocho- nema, Straparollus. tricenaria — Orthis, Platystrophia. trichomanes — Strophograptus. tricornis — Cryptograptus, Cryptograptua (Idiograptus), Diplograptus, tridactylus — Ichnophycus. tridens— Da wsonia . tridentatus — Climacograptus bicornis. tridigitatum — Dactylophycus. trifidus — Asaphoidichnus, Diplograptus, Diplograptus foliaceus, Leptograptus flaccidus spinifer. trifurcatum — Anisophyllum. trigonostoma — Diaphorostoma, Platyosto- ma, Platyostoma niagarensis, Trema- notus, Bucania, Xenophora. trilineata — Eunema, Pleurotomaria. triliratus — Euomphalus. triloba— Ceramoporella, Illsenoides. trilobatus (a, urn) — Bellerophon, Buca- nella, Bucania, Bucaniella, Conchidi- um, Leptaena, Planorbis, Streptelasma latusculum, Streptelasma rusticum, Strophomena. trilobioides — Cancer. trinucleus — Orthis. tripectinatus — Callocystites. tripla — Bucania. triplesiana — Stricklandinia. triplicata— Beyrichia lata, Halliella. triplicatella— Orthis, Orthis plicatella, Plectorthis, Plectorthis fissicosta, Plec- torthis plicatella. triquetra — Avicula. trisectus — Agnostus. triserialis — Pachydictya. trisinuatus (a) — Athyris, Meristina, Pen- tamerus. trisulcatus (a) — Beyrichia, Calymene, Klcedenella, Phacops. triton — Piloceras. tritonia — Helicotoma, Orthis. trochiscus — Euomphalus, Polygyrata, Raphistoma. trochonemoides — Lophospira. trombetana — Pholidops. trombetensis — Tentaculites. troosti — Bellerophon, Chasmops, Colum- naria, Dalmanites, Favosites, Pterygo- metopus, Symbathocrinus. tropidophora — Murchisonia, Pleurotoma- ria, Pleurotomaria (Scaliteb). truncatula — Cuneamjra. truncatus (a) — Bolbocephalus, Discinia, Eurymya, Ischyrodonta, Modiolodon, Modiolopsis, Orbicula, Orbiculoidea, Whitella. trusitum — Orthoceras, Protokionoceras. tuber — Bellerophon. tiiberculatus (a) — Arges, Bathyurus, Bey- richia, Brachiospongia, Carabocrinus, Chaetetes, Climacograptus bicornis, Co- rydocephalus, Eucalyptocrinus, Homo- trypa, Hystricurus, Lichenocrinus, Monticulipora, Monticulipora (Mono- trypa), Spatiopora. tuberculosus (a) — Encrinurus, Fistuli- pora, Rhinopora, Trematopora. tuberoides — Favosites. tuberosus (a) — Pattersonia, Scolithus, Strobilospongia. tubularis (e) — Cyathodictya, Cyathophy- cus, Palseophycus, Stromatopora. tubulistriata — Atrypa . tubulosa (um) — Ceramoporella, Diameso- pora, Phytopsis, Rhinopora, Tremato- pora. tumidif ron s — I llsenus . tumidosus — Agnostus. tumidula — Athyris, Leperditia, Priinitia. INDEX OF SPECIFIC NAMES. 1403 tumidus (a, um) — Astylospongia, Beyri- cliia, Ctenobolbina, Holocyatites, Hy- bocrinus, Leperditella, Leperditia, Me- ristella, Oncoceras, Pasceolug, Remo- pleurides, Stribalocystites. tuinif r on s — B ey rich ia . tumulosa — Proboscina. tunicatus — Calceocrinus, Deltacrinus. turbidum — Orthoceras . turbinatus (a, um) — Chsetetes, Cyatho crinus, Cyathophyllum, Eucalyptocri- nus, Holocystites, Huronia, Monotrypa, Monticulipora, Polydilasma, Trochoce- ras, Zaphrentis, Zittelella typicalis. turgida — Athyris, Corynotrypa, Holopea, Klcedenella, Leperditia, Pachydictya, Pleurotomaria, Ribeiria, Sinuopea, Sto- matopora. turgidonummulatum — Orthoceras (Acti- noceras). turpis — Terebratula. turricula — Murchisonia. turritiformis — Coelocaulus. typicalis — Atactoporella, Atactoporella praecipta, Chaenodomus, Climacograp- tus, Cymatonota, Discophycus, Schiz- ambon, Zittelella. typicus (a) — Climacograptus, Cyrtocerina, Cystostylus, Eopteria, Palseacmaea. typus (a) — Allocrinus, Ampheristocrinus, Bollia, Calceocrinus, Camarium, Delta- crinus, Dilobella, Glyptocrinus, Hypti- ocrinus, Lichenaria, Merista, Merocri- nus, Ottawacrinus, Pliyllograpsus, Phyllograptus, Phyllograptus folium, Tanaocrinus, Thamnograptus. tyrans — Nautilus, Plectoceras. tyronensis — D ermatostroma , Orthoceras . tyrrelli (i) — Aparchites, Euomphalopte- rus, Poterioceras. uberis — Orthis, Rhipidomella. ulricli(i)ana — Gerasaphes, Isochilina gre- garia. * ulrichi (i) — Amphicoelia, Asaphus, Cli- macograptus, Craniella, Cyrtograptus, Dekayella, Dekayia, Dinorthis, Di- northis (Plsesiomys), Elpe, Hemitrypa, Heterotrypa, Loculipora, Macronotella, Monticulipora, Pattersonia, Petrocra- nia, Primitia, Primitiella, Ptychopyge, Rafinesquina, Rhombopteria (Newsom- ella), Seelya (Plethospira), Trigyra, Triplecia, Urasterella. 84243°— Bull. 92— vol 2—15 44 umbellifera — Aulopora, Quenstedtia, Ro- mingeria. umbilicata (um) — Helicotoma, Pleuro- tomaria, Trochonema. umbonata — Athyris, Hindella, Meristella, Plethocardia, Schmidtella, Trematis, Vanuxemia, Whitella. umbrosus — Periechocrinus, Saccocrinus . undatus (a, um) — Ambonychia, Avicula, Cleionychia, Clionychia, Cryptoceras, Eurystomites, Inachus, Lituites, Plec- toceras, Pterinea, Trocholites, Whitea- vesia. undosus (a, um) — Alveolites, Avicula, Endodesma, Trachyum. unduavi — Cruziana. undulatus (a, um) — Ambonychia, Beatri- cea, Callopora, Chaetetes, Chonetes, Cli- oderma, Cyathophyllum, Dawsonoce- ras, Dictyostroma, Ecculiomphalus, Eccyliomphalus, Hallopora, Leptodo- mus, Monotrypa, Monticulipora, Ortho- ceras, Pterotheca, Raphistomina, Stro- phomena. undulosa — Strophomena. undulostriatus (a, um) — Cypricardinia, Cyrtodonta, Modiolopsis, Olenus, Orth- oceras. unguiformis (e) — Conchidium, Gypidula, Platyceras, Stenotheca, Triblfdium, Vallatotheca. ungulata — Cypricardites, Cyrtodonta, Vanuxemia. unguloidea — Bollia. uniangulatus (a) — Euomphalus, Helico- toma, Lophospira, Murchisonia, Ophi- leta, Straparollus. unicornis — Aparchites, Leperditia, Pri- mitia, Primitiella. unicosta — Cliopteria. unicostata — Leptaena, Platystrophia, Ra- finesquina, Strophomena. unicus (a) — Strombodes, Zaphrentis. uniformis (e) — Amplexus, Monticulipora, Peronopora. unilamellosus — Prosserella, Reticularia. unilargum — Anisophyllum . unilateralis — Dendrograptus . unionensis — Orthoceras, Platystrophia. unionoides — Anodontopsis, Ischyrodonta, Modiolopsis. uniplicatus (a) — Gypidula, Pentamerus, Sieberella. 1404 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. unisulcatus — Crepicephalus(Loganellus), Ptychoparia. uphami— Catazyga, Primitia, Zygospira. urceolus — Demirastrites, Monograptus, Rastrites. urniformis — Periechocrinus, Saccocrinus. uticus — Trocholithus. uva — Romingeria . vacua — Columnaria . vadum — Chonophyllum. vagabunda — Clintonella . vagans — Licrophycus, Streptelasma. vagrans — Barrandeoceras, Eccyliopterus, Gyroceras(Lituites), Helicotoma, Pleu- rotomaria, Trochonema. vagum — Orthoceras. valcourensis — Cybele. Valerius (a) — Euomphalopteris, Euom- phalopterus, Pleurotomaria. validus (a, um) — Agnostus pisiformis, Ar- chinacella, Bathyurellus, Modiolopsis, Tryblidium. vallandighami — Cyrto ceras . valvatiformis — Straparollus vanclevii — Aulopora, Stictopora. vancortlandti — Carabocrinus. vanhorn(e)i — Acidaspis, Crotalocrinus, Cyathocrinus, Lingula. vaningeni — Deltoceras, Eusarcus. vannukis (a) — Encrinurus, Romingeria. vanuxemi — Diploceras, Discina, Hyo- lithes, Endoceras, Spirifer (Delthyris). varia — Chilotrypa, Constellaria, Diameso- pora, Phyllodictya, Trematopora. variabilis (e) — Batostoma, Glassia, Mat- thevia, Ptilodictya. varians — Batostoma, Camarella, Chsete- tes, Cyclonema, Eospongia, Eunicites, Gnorimocrinus, Lophospira, Monticuli- pora, Murchisonia, Nereidavus, Zittel- ella. varicosa (um)— Cyclonema, Cyclonema bilex, Murchisonia, Pleurotomaria. variolaris (e)— Clathrodictyon, Stromato- pora. variolata— Chilotrypa, Phyllopora, Phyl- loporina, Subretopora, Trematopora. variolosa — Cystiphorolites, Vesicularia . varipora (um) — Helopora, Lioclema. varistriata — Pterinea, Stropheodonta, Strophodonta, Strophomena. varium — Batostoma . varro— Orthoceras. vasculosa — Stropheodonta, vasiforine — Oncoceras. vassarina — Cyrtoceras. vaticinus — Euomphalus. vaupeli — Diamesopora, Heterocrinus, Het- erotrypa, Monticulipora, Nicholsonella, Ohiocrinus. vegetabilis — Inocaulis . velaris — Euomphalopterus. velox — Cameroceras, Orthoceras. venillia— Metoptoma, Scenella. vennori — Diphyphyllum, Eridophyllum. venosus (a, um) — Gladiolites, Graptolites, Retiolites, Retiolites geinitzianus, Rhi- nopora, Rhopalonaria, Ropalonaria, Trichophycus. ventralis — Cypricardites, Leperditia, Saf- fordia. ventricornis — Leperditella sulcata. ventricosus (a, um) — Barrandella, Bod- mania, Cardimorpha, Clorinda, Cyclo- nema, Cypricardites, Cyrtoceras, Cyr- tospria, Edmondia, Fusispira, Fusi- spira inflata, Gazacrinus, Holocystites, Holopea, Idiocrinus, Kloedenia notata, Lophospira, Murchisonia, Nucleospira, Omospira, Palsearca, Pentamerus, Pen- tana erus (Pentamerella), Phragmoceras, Pleurotomaria, Ribeiria, Seelya, Spiri- fer, Stropheodonta, Strophostylus, Su- bulites, Tellinomya, Turbo, Whit- ella. ventrilabiata — Schmidtella crassimargi- nata. ventrosa — Eurychilina, Klcedenella tur- gida. venustus (a, um) — Astrocerium, Beyri- chia, Calainopora, Cha3tetes, Crepipora, Favosites, Monticulipora (Fistulipora), Orthonota, Pterinotella. vera — Byssonychia, Peronopora. verneuili (i) — Actinocrinites, Anastro- phia, Calamopora, Calymene, Cupella- crinites, ^uomphalus, Marsipocrinus, Melocrinus, Orthisina, Protarsea, Turbi- nicrinites. verrucosus (a, um) — Astylomanon, Dai- mania, Dalmanites, Monticulipora, Om- phyma, Paloeomanon, Rhinopora. versaillesensis — Hyolithes, Lingula proc- teri, Modiolopsis, Platystrophia cypha. versutus (m) — Litoceras, Nautilus. vertebralis (e) — Huronia, Orthoceras. vertebratum — Actinoceras, Ormoceras, Orthocerao. II^DEX OF SPECIFIC NAMES. 1405 verticalis — Fucoides, Helicotoma, Scoli- thus. verticillata — Cladopora, Coenites, Lima- ria, Syringopora. vesiculosa (um) — Berenicea, Clathrodic- tyon, Cyathophylluin, Stromatopora. vesperalis — Diabolocrinus, Rhodocrinus. vespertillo — Ortliis. vespertinus — Diplograptus foliaceus. vesta — Hormotoma, Murchisoiiia. veterator — Orthoceras. vetulus (m) — Bathyums, Platyceras. vetustus (a) — Agelacrinus, Asaphus, Astraeopora, Basilicus, Cardiomorpha, Chonetes, Cuneamya, Cypricardites, Heliolites, Ogygia, Porites, Protaraea, Streptorhynchus, Strophomena, Thecia. vevayensis — Eridotrypa. vicinus (a, um) — Camarotoechia, Cyatho- phyllum, Cypricardites, Eotomaria, Rhynchonella, Strophomena. vigilans — Asaphus (Isotelus), Ceraurus, Cryptonymus, Cybele, Dalmania, Dal- manites, Dalmanites (Odontochile), Dalmanites (Synphoria), Encrinurus, Nileus, Vogdesia. vindex — Illsenus, Thaleops. viola — Pleurotomaria, Poleumita. virgatus (in) — Colpoceras, Endoceras, Or- thoceras, Planolites. virginianus (a) — Eurystomites. virginiensis — Protaxocriniffi. % virgo — Pleurotomaria. virgulatuin — Orthoceras, Orthoceras (Eu- orthoceras). virguncula — Pleurotomaria. viromundo — Bucaniella trilobata. vitellia — Coelocaulus, Ccelidium. vitruvia — Liospira, Pleurotomaria. vittata — Fusispira, Loxonema, Murchi- soiiia. vogdesi — Calymene, Calymene blumen- bachii. volan s — Pterinea . volborthi — Cainarella. volutatus — Ecculiomphalus, Eccyliop- terus. volutus (a) — Bellerophon, Holopea. vorticellatus (a) — Agelacrinites, Agelacri- nus, Streptaster. vulcanius — Chonophyllum (Craterophyl- lum), Ptychophyllum. vulcanus (a) — Act^iostroma, Pseudo- sphserexochus. vulgaris — Ilebertella, Planolites. vulgatus (m) — Diplograptus, Orthoceras. wabashensis (e) — Anodontopsis, Gom- phoceras, Streptomytilus. walilenbergii — Cyathophyllum. v/alcotti — Azygograptus, Cheirocrinus, Chirocrinus, Cyathophycus, Dictyo- phytra, Leptobolus, Trocholitoceras. waldronensis (e) — Actinocrinus, Allone- ma, Beyrichia, Chonetes novascotia, Cyathocrinus, Dimerocrinus, Entomia, Favosites forbesi, Macrostylocrinus, Mi- mulus, Spirifera, Streptis, Trocho- ceras. walkerensis — Byssonychia. walkeri — Acanthograptus, Caunopora, Diplotrypa, Inocaulis, Protarea. wallowayi — Platystrophia. wallpackensis — Kloedenia. warrenensis — Agelacrinites, Agelacrinus. warr eni — Mariac rinus . waukoma — Cyathocrinus, Lecanocrinus. wauwatosense — Orthoceras. waynensis (e) — Enterolasma, Enterolas- ma (Petraia), Petraia, Streptelasrna. waynesboroensis — Lingula. websteri — Dictyonema. welchi — Avicula, Megalograptus, Monti- culipora (Monotrypa). welcM — P tilodictya. welleri — Pycnosaccus. wemplei — Dalmanella, Dalmanella (Or- this). wenti — Chirospongia. wertlmeri — Dalmanites. wesenbergensis-«-Corydocephalus, Lichas (Arges). westoni — Amphion, Diplotrypa, Monti- culipora, Orthoceras, Pliomerops. wetherbyi — Belemnocystites, Holocys- tites, Mitrocrinus, Monticulipora, Orbignyella. wetlierilli — Asaphus. whiteavesi (i) — Actinostroma, Aparchi- tes, Hormotoma, Isochilina, Leperditia, Lindstroemia, Litoceras, Mesotrypa, Monticulipora, Monticulipora (Diplo- trypa), Oncoceras, Ptilodictya. whiteavesiana — Helicotoma, Protaster. whitehallensis — Conocephalites. 1406 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. white! (ii) — Actinoceras, Camarotoechia, Camarotoechia (Stegerhynchus), Cera- mopora, Ceramoporella, Ormoceras, Rhynchonella. whitfieldi — Actinocrinus, Actinocrinus (Saccocrinus), Amplexus, Austinella, Avicula, Batostoma (Hemiphragma), Diplograpsus, Diplograptus, Grapto- lithus, Hemiphragma, Hindella,(Green- fieldia), Isoteloides, Lingula, Lingu- lops, Monticulipora, Monticulipora (Chaetetes), Orthis, Periechocrinus, Plectorthis, Primitia, Primitiella, Pro- tocycloceras, Ptilodictya, T r e m a t o- pora. whitianus (a) — Dicranograptus nichol- soni, Graptolithus, Rhynchonella. whitneyi — Cyrtoceras, Phragmoceras. wichitaensis — Eoorthis, Orthis (Plector- this). wilberanus — Mesopalseaster, Palaeaster, Petraster. wilkinsi — Conularia . williamsi — Strophonella. wilmingtonensis (e) — Cyphotrypa, Leio- clema, Lioclema, Monticulipora, Pbse- *nopora, Strombodes mamillare. wilsoni — Climactichnites, Palseaster, Po- lygonathus, Promopalaeaster, Rhyncho- nella, Stromatopora, Terebratula, Wil- eonia. winchelli — Amplexopora, Batostoma, Ba- to&toma nodosa, Batostoma spinulosum, Cybele, Cybeloides, Cypricardites, Cyr- todonta, Holocystites, Ischyrinia, Mo- diolodon, Monticulipora, Monticuli- winchelli — Continued . pora (Heterotrypa), Piloceras, Stropho- mena. winchesterensis — Rafinesquina. wingi — Cryptozoon. winiskensis — Camarotoechia. winnipegensis (e) — Aulocopella, Hormo- toma, Loxonema, Murchisonia, Ortho- ceras. winonensis — Euomphalus. winonicum — Cyrtoceraa. wisconsinensis — Asaphus, Bellerophon, Cyathaxonia, Lindstroemia, Lopho- spira, Lophospira helicteres, Platyce- ras, Strophomena, Tetranota. wittenbergensis — Melocrinus. woodae — Tetragraptus. woodworthi — Orthoceras. worthenanus (a) — Illsenus (Bumastus), Mourlonia, Murchisonia. wortheni — Cypricardi tea, Eucalyptocri- nus, Homotrypa, Monticulipora, Mon- ticulipora (Monotrypa), Piloceras, Va- nuxemia. wrightii — Caryocaris. wykoffensis — Cyrtospira, Subulites. wykoffi — Holocystites, Palseaster, Promo- palseaster. xantMppe — Lophospira, Murchisonia. xerxe s — Orthoceras . xiphias — Orthoceras, Tripteroceras, Trip- toceras. yoldiaforlnis — Nuculites, Technophorus. youngi — Cyrtolites, Orthoceras (Actino- ceras). zenkeri — Conocephalites, Ptychoparia. zitteli — Anoinoclonella. BIOLOGICAL CLASSIFICATION OF GENERA. The following biological classification is introduced for the sake of convenience to aid in quickly classifying any of the genera considered in the Bibliographic List. Like the latter it includes only American Ordovician and Silurian genera. ANIMAL KINGDOM. Phyllum PORIFERA. Class SPONGLE. Subclass SlLICISPONGLE. Order TETRACTINELLIDA. Family ASTYLOSPGNGID^E Rauff. Astylospongia Roemer, Caryospongia Rauff, Caryomanon Rauff, Carpospongla Rauff, Cyathospongia Hall, Carpomanoii Rauff, Palseomanon Rauff. Family HINDIID^E Rauff. Hindia Duncan. Family ANOMOCLONELLID^ Rauff. Anomoclonella Rauff, Pycnopegma Rauff. Family CHIASTOCLONELLID/E Rauff. Chiastoclonella Rauff. Family AULOCOPID^E Rauff. Aulocopella Rauff, Aulocopium Oswald, Dendroclonella Rauff. Family ARCH^OSCYPHID^: Rauff. Archaeoscyphia Hinde. Family RHIZOMINNID^E Zittel. Nipterella ninde. Family ANTHASPIDELLID^E Ulrich and Everett. Anthaspidella Uhich and Everett, Calathium Billings, Ch'macospongia Hinde, Edrio- spongia Ulrich and Everett, Eospongia Billings, Strep tosolen Ulrich and Everett, Streptospongia Ulrich, ?Trachyum Billings, Zittelella Ulrich and Everett. Family DYSTACTOSPONGID^E Miller. Dystactospongia Miller, Heterospongia Ulrich, Saccospongia Ulrich, Strotoepongia Ulrich and Everett. Order HEXACTINELLIDA. Family PROTOSPONGID^ Hinde. ?Halichondrites Dawson and Hinde, ?Lasiothrix Dawson and Hinde, Phormosella Hinde, Protospongia Salter, Stephanella Hinde. 1407 1408 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family PLECTOSPONGID^E Rauff. Acanthodictya Hinde, Cyathophycus Walcott, Palaeosaccus Hinde, Plectoderma Hinde, Teganium Rauff. Family HYALONEMATID^E Schulze. Pyritonema McCoy. Family PATTERSONIID/E Rauff. Pattersonia Miller. Family BRACHIOSPONGIID^E Marsh. Brachiospongia Marsh. POSITION UNCERTAIN. Astraeospongia Roemer, Astroconia Sollas, Aulocopina Billings, Camarocladia Ulrich, Cylindro£celia Ulrich, Fungispongia Ringueberg, Graptospongia Ruedemann, Hyalostelia Zittel, Rauffella Ulrich, Rhabdaria Billings, Rhombodictyon Whit- field, Stelliella Hinde, Trichospongia Billings. SPONGES? (CALCAREOUS ALG.E?). Anomaloides Ulrich, Cerionites Meek and Worthen, Cyclocrinites Eichwald, Ischa- dites Murchison, Lepidolites Ulrich, Leptopoterion Ulrich, Nidulites Salter, Pasceolus Billings, Receptaculites Roemer. Phyllum CCELENTERATA. Subphyllum CNIDARIA. Class ANTHOZOA. Subclass TETRACORALLA. Family CYATHAXONID^} Edwards and Haime. Duncanella Nicholson, Petraia Munster. Family PAL^OCYCLID^ Dybowski. Baryphyllum Edwards and Haime, Palaeocyclus Edwards and Haime. Family ZAPHRENTID^E Edwards and Haime. Amplexus Sowerby, Anisophyllum Edwards and Haime, Aphyllostylus Whiteaves, Ditoecholasma Simpson, Enterolasma Simpson, Helenterophyllum Grabau, Helio- phrentis Grabau, Laccophyllum Simpson, Llndstromia Nicholson and Thompson, Polyorophe Lindstrom, Pycnostylus Whiteaves, Streptelasma Hall, Zaphrentis Rafinesque. Family CYATHOPHYLLID^J Edwards and Haime. Acervularia Schweigger, Blothrophyllum Billings, Boreaster Lambe, Chonophyllum Edwards and Haime, Clisiophyllum Dana, Columnaria Goldfuss, Cyathophylluni Goldfuss, Cylindrohelium Grabau, Cystiphorolifes Miller, Diphyphyllum Lonsdale, Eridophyllum Edwards and Haime, Hallia Edwards and Haime, Ileliophyllum Hall, Lyopora Nicholson and Etheridge, Lichenaria Winchell and Schuchert, Nyctopora Nicholson, Omphyma Rafinesque, Ptychophyllum Edwards and Haime, Prismatophyllum Simpson, Strombodes Schweigger. Family CYSTIPHYLLID^E Edwards and Haime. Calceola Lamarck, Cystiphyllum Lonsdale, Cystostylus Whitfield, Goniophyllum Edwards and Haime. BIOLOGICAL CLASSIFICATION. 1409 Subclass HEXACORALLA. Order MADREPORARIA. Family EUPSAMMID^E Edwards and Haime. Calostylis Lindstrom. Subclass ALCYONARIA (OCTOCORALLA). Family HELIOLITID^E Lindstrom. Calvinia Savage, Heliolites Dana, Lyellia Edwards and Haime, Plasmopora Edwards and Haime, Protarea Edwards and Haime, Stylaraea Seeback, Thecia Edwards and Haime. Suborder TABULATA. Family FAVOSITID^: Edwards and Haime. Alveolites Lamarck, Calapoecia Billings, Cladopora Hall, Coenites Eichwald, Dictyo- stroma Nicholson, Favosites Lamarck, Michelinia Dekoninck, Palseofavosites Twenhofel, Parallelopora Holtedahl, Platyaxum (Davis) Foerste, Striatopora Hall, Syringolites Hinde. Family AULOPORID^E Nicholson. Aulopora Goldfuss, Fletcheria Edwards and Haime, Romingeria Nicholson. Family SYRINGOPORID^E Edwards and Haime. Cannapora Hall, Ceratopora Grab ail, Diorychopora Davis, Syringopora Goldfuss, Ver- mipora Hall. Family HALYSITID^E Edwards and Haime. Halysites Fischer, Labyrinthites Lambe. Family CIL-ETETID^E Edwards and Haime. Chaetetes Fischer, Dania Edwards and Haime, Tetradium Dana. Class HYDROZOA. Order STROMATOPOROIDEA. Family ACTINOSTROMID^E Nicholson. Actinodictyon Parks, Actinostroma Nicholson and Murie, Clathrodictyon Nicholson and Murie, Stylodictyon Nicholson. Family LABECHIID^E Nicholson. Aulocerium Parks, Dermatostroma Parks, Labechia Edwards and Haime, Lophio- stroma Nicholson, Rosenella Nicholson, Stromatocerium Hall. Family BEATRICEID^J Ulrich. Beatricea Billings, Cryptophragmus Raymond. Family STROMATOPORID^B Nicholson. Stromatopora Goldfuss, Stromatoporella Nicholson, Syringostroma Nicholson and Murie. Family IDIOSTROMID^E Nicholson. Hermatostroma Nicholson, Idiostroma Winchell. 1410 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Class GRAPTOLITOIDEA. Order DENDROIDEA. Family DENDROGRAPTID^ Roemer. Acanthograptus Spencer, Cactograptus Ruedemann, Callograptus Hall, Calyptograptus Spencer, Cyclograptus Spencer, Desmograptus Hopkinson, Dendrograptus Hall, Dictyonema Hall, Inocaulis Hall, Mastigograptus Ruedemann, Odontocaulis Lap- worth, Palaeodicty ota Whitfield, Ptilograptus Hall, Rhizograptus Spencer, Thamno- graptus Hall. POSITION UNCERTAIN. Chaunograptus Hall, Corynoides Nicholson, Protovirgularia McCoy. Order GRAPTOLOIDEA. Suborder AXONOLIPA. Family DICHOGRAPTID^: Lapworth. Azygograptus Nicholson, Bryograptus Lapworth, Clonograptus Hall, Dichograptus Salter, Didymograptus McCoy, Goniograptus McCoy, Loganograptus Hall, Phyllo- graptus Hall, Staurograptus Emmons, Temnograptus Nicholson, Tetragraptus Salter. Family LEPTOGRAPTID^E Lapworth. Amphigraptus Lapworth, Leptograptus Lapworth, Nemagraptus Emmons, Pleuro- graptus Nicholson, Sigmagraptus Ruedemann, Syndyograptus Ruedemann. Family DICELLOGRAPTID^E Lapworth. Dicellograptus Hopkinson, Dicranograptus Hall. Suborder AXONOPHORA. Family DIPLOGRAPTID^E Lapworth. Climacograptus Hall, Cryptograptus Lapworth, Diplograptus McCoy, Glyptograptus Lapworth, Orthograptus Lapworth, Trigonograptus Nicholson. Family GLOSSOGRAPTID^ Lapworth. Glossograptus Emmons, Lasiograptus Lapworth, Retiograptus Hall. Family RETIOLITID^E Lapworth. Retiolites Barrande. Family DIMORPHOGRAPTID^ Lapworth. Dimorphograptus Lapworth. Family MONOGRAPTID.^E Lapworth. Cyrtograptus Carruthers, Monograptus Geinitz, Rastrites Barrande. POSITION UNCERTAIN. Dawsonia Nicholson, Strophograptus Ruedemann. Phyllum VERMES. Order MISKOA. Eopolychaetus Ruedeman, Eotrophonia Ulrich, Pontobdellopsis Ruedeman, Pro- toscolex Uhich. Order ERRANTIA. Arabellites Hinde, Eunicites Ehlers, Glycerites Hinde, Lumbriconerites Ehlers, Nereid avus Grinnel, (Enonites Hinde, Staurocephalites Hinde. BIOLOGICAL CLASSIFICATION. 1411 Order TUBICOLA. Conchicolites Nicholson, Cornulites Nicliolson, Ortonia Nicholson, Serpulites Mur- chison, Spirorbis Daudin. WORM BURROWS, etc. Arenicolites Salter, Arthrophycus Hall, Climactichnites Logan, Daedalus Rouault, Eugyrichnites Ami, Myrianites MacLeay, Nemapodia Emmons, Nereites MacLeay, Planolites Nicholson, Protichnites Owen, Sabellarites Dawson, Saerichnites Billings, Scolithus Haldeman, Walcottia Miller and Dyer. "TRAILS." Asaphoidichnus Miller. (Trail of crustacean possibly.) Ormathichnus Miller. (Supposed to be trail of gastropod.) Petalichnus Miller. (Possibly trail of cephalopod.) Teratichnus Miller. (Possibly cephalopod trail.) Trachonomatichnus Miller. (Possibly trail of cephalopod.) Phyllum ECHINODERMATA. Subphyllum PELMATOZOA. Class CYSTOIDEA. Order AMPHORIDEA. Family ARISTOCYSTID^: Neumayr. Holocystites Hall. Family ANOMALOCYSTID^E Meek. Anomalocystites Hall, Ateleocystites Billings, Belemnocystites Miller and Gurley, Dendrocystites Barrande. Family MALOCYSTID^ Bather. Amygdalocystites Billings, Canadocystis Jaekel, Comarocystites Billings, Malo- cystites Billings, Platycystis Miller. Order RHOMBIFERA. Family ECHINOSPH^ERITID^] Neumayr. Echinosphrerites Wahlenberg, Palaeocystites Billings. Family CARYOCRINID^E Bernard. Caryocrinites Say, Heterocystites Hall, Stribalocystis Miller. Family CALLOCYSTID^E Bernard. Apiocystites Forbes, Callocystites Hall, Cheirocrmus Eichwald, Coalocystis Schu- chert, Glyptocystites Billings, Hallicystis Jaekel, Hybocystites Wetherby, Jaekelocystis Schuchert, Lepadocystis Carpenter, Lepocrinites Conrad, Pleuro- cystites Billings, Pseudocrinites Pearce, Sphserocystites Hall, Tetracystis Schu- chert, Trimerocystis Schuchert. Order DiPLOPORiTA. Family SPH^RONITID^E Neumayr. Allocystites Miller, Trematocystis Jaekel. Family GOMPHOCYSTID^B Bather. Gomphocystites Hall. 1412 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Order APORITA. Family CRYPTOCRINID^E Zittel. Lysocystites Miller. Family MACROCYSTELLID^B Bather. JSthocystis Miller. Family TIARACRINID^E Bather. Zophocrinus Miller. ^ Order EDRIOASTEROIDEA. Family AGELACRINID^: Hall. Agelacrinites Vanuxem, Cystaster Hall, Hemicystites Hall, Streptaster Hall. Family EDRIOASTERID^: Bather. jEsiocystis Miller and Gurley, Edrioaster Billings. Family STEGANOBLASTID;E Bather. Astrocystites Whiteaves. POSITION UNCERTAIN. Oinocystites Hall, Cyclocystoides Billings and Salter, Lichenocrinus Hall. Class BLASTOIDEA. Order PROTOBLASTOIDEA. Family BLASTOIDOCRINID^E Bather. Blastoidocrinus Billings. Order EUBLASTOIDEA. Family TROOSTOBLASTID^E Etheridge and Carpenter. Troostocrinus Shumard. Class CRINOIDEA. Order CAMERATA. Family CLEIOCRINID^E Springer. Cleiocrinus Billings. Family RETEOCRINID,E Wachsmuth and Springer. Reteocrinus Billings. Family DIMEROCRINID^E Bather. Cyphocrinus Miller, Dimerocrinus Phillips, Gazacrinus Miller, Lampterocrinus Roemer, Ptychocrimis Wachsmuth and Springer, Siphonocrinus Miller. Family RHODOCRINID/E Roemer. Archaeocrinus Wachsmuth and Springer, Deocrinus Hudson, Diabolocrinus Wachs- muth and Springer, Hercocrinus Hudson, Lyriocrinus Hall, Rhaphanocrinus Wachs- muth and Springer, Siderocrinus Troost. Family MELOCRINID^E Zittel. Allocrinus Wachsmuth and Springer, Cystocnnus Roemer, Glyptocrinus Hall, Macro- stylocrinus Hall, Mariacrinus Hall, Melocrinus Goldfuss, Periglyptocrinus Wachs- muth and Springer, Pycnocrinus Miller, Schizocrinus Hall, Scyphocrinus Zenker (Camarocrinus Hall), Stelidiocrinus Angelin. BIOLOGICAL CLASSIFICATION. 1413 Family CALYPTOCRINID;E Angelin. Callicrinus Angelin, Chicagocrinus Weller, Eucalyptocrinus Goldfnss. Family BATOCRINID/E Wachsmuth and Springer. Acacocrinus Wachsmuth and Springer, Barrandeocrinus Angelin, Compsocrinus Miller, Habrocrinus Angelin, Periechocrinus Austin, SaccocrinusHall, Tanaocrinus Wachs- muth and Springer, Xenocrinus Miller. Family PLATYCRINID^E Roemer. Coccocrinus Miiller, Cordylocrinus Angelin, Marsipocrinus Bather, Platycrinus Miller. Order FLEXIBILIA. Suborder SAGENOCRINOIDEA. Family LECANOCRINID^E Springer. Anisocrinus Angelin, Asaphocrinus Springer, LecanocrinusHall, Ormocrinus Springer, Pycnosaccus Angelin. Family SAGENOCRINID^E Springer. Sagenocrinus Austin, Temnocrinus Springer. Family ICHTHYOCRINIOE Wachsmuth and Springer. Clklochirus Angelin, Ichthyocrinus Conrad. Suborder TAXOCRINOIDEA. Family TAXOCRINIDJE Bather. Eutaxocrinus Springer, Gnorimocrinus Wachsmuth and Springer, Protaxocrinus Springer. Order INADUNATA. Suborder LARVIFORMIA. Family STEPHANOCRINID^E Wachsmuth and Springer. Stephanocrinus Conrad. Family PISOCRINID.-E Angelin. Pisocrinus Dekoninok. Family HAPLOCRINIDJS Roemer. Haplocrinus Steininger. Family SYNBATHOCRINID^E Wachsmuth and Springer. Synbathocrinus Phillips. k Suborder FISTULATA. Family HYBOCRINID.E Zittel. 'bocrinus Billings, Hybocystis Wetherby. Family HETEROCRINID^E Zittel. tenocrinus Miller, Heterocrinus Hall, locrinus Hall, Myelodactylus Hall, Ohio- jrinus Wachsmuth and Springer. Family ANOMALOCRINID.E Wachsmuth and Springer. Anomalocrinus Meek and Worthen, Glaucocrinus Parks. Family CREMACRINID^E Ulrich. Cremacrimis Ulrich, Deltacrinus Ukich, Eucheirocrinus Meek and Worthen. 1414 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family DENDROCRINID.E Bather. Cupulocrinus D'Orbigny, Dendrocrinus Hall, Merocrinus Walcott, Ottawacrinua Billings. Family CROTALOCRINID^E Angelin. Crotalocrinus Austin, Petalocrinus Weller. Family CYATHOCRINID^E Roemer. Achradocrinus Schultze, Ampheristocrinus Hall, Carabocrinus Billings, Closterocri- nus Hall, Cyathocrinus Miller, Euspirocrinus Angelin, Gissocrinus Angelin, Homo- crinus Hall, Lasiocrinus Kirk, Palseocrinus Billings, Porocrinus Billings. Family BOTRYOCRINID/E Bather. Botryocrinus Angelin. UNCERTAIN PLACE. Astroporites Lambe (Base of crinoid ?Cliocrinus), Bolboporites Pander, Empero- crinus Miller and Gurley, Indianocrinus Miller and Gurley, Mitrocrinus Miller and Gurley, Pachyocrinus Billings, Podolithus Sardeson, Thalamocrinus Miller and Gurley. Subphyllum ASTEROZOA. Class STELLEROIDEA. Subclass ASTEROIDEA. Order PHANEROZONIA. Family HUDSONASTERID^ Schuchert. Hudsonaster Sturtz. Family PAL^ASTERID^J Gregory. Palaeaster Hall. Family PROMOPALJEASTERID^E Schuchert. Anorthaster Schuchert, Mesopalseaster Schucliert, Promopalaeaster Schuchert. Family PALASTERINID^E Gregory. Petraster Billings. Family STENASTERID^E Schuchert. Stenaster Billings. Family URASTERELLID^E Schuchert. Uraeterella McCoy. Family SCHUCHERTIID^E Schuchert. Schuchertla Gregory. Subclass AULUROIDEA. Order LYSOPHIUR^E. family PROTASTERID^E Miller. Alepidaster Meek, Protaster Forbes, Tseniaster Billings. Family PAL^OPHIURID^: Gregory. Eugasterella Schuchert. Order STREPTOPHIUR^. Family LAPWORTHURID^Q Gregory. Squamaster Ringueberg. BIOLOGICAL CLASSIFICATION. 1415 Phyllum MOLLUSCOIDEA. Class BRYOZOA. Subclass GYMNOL^MATA. Order CTENOSTOMATA. Family RHOPALONARIID^E Nickles and Bassler. Rhopalonaria Ulrich. Family VINELLID^ Ulrich and Bassler. Allonema Ulrich and Bassler, Heteronema Ulrich and Bassler, Vinella Ulrich. Family ASCODICTYONID^E Ulrich. Ascodictyon Nicholson and Etheridge. Order CYCLOSTOMATA. Suborder TUBULIPORINA. Family DIASTOPORHXE Busk. Berenicea Lamouroux, Corynotrypa Bassler, Diastoporina Ulrich, Proboscina Audouin, * Stomatopora Bronn. Family IDMONEID^; Busk. Protocrisina Ulrich. Family ENTALOPHORID^E Reuss. Diploclema Ulrich, Mitoclema .Ulrich. Family PHACELOPORID^E Ulrich. Phacelopora Ulrich. Suborder CERAMOPORIDEA. Family CERAMOPORID^: Ulrich. Anolotichia Ulrich, Ceramophylla Ulrich, Ceramopora Hall, Ceramoporella Ulrich, Chiloporella Ulrich, Coeloclema Ulrich, Crepipora Ulrich, Favositella Etheridge and Foord, Seen ellopora Ulrich, Spatiopora Ulrich. Family FISTULIPORID^E UHch. Chilotrypa Ulrich, Fistulipora McCoy, Fistuliporella Simpson, Meekopora Ulrich. Order TREPOSTOMATA. Suborder AMALGAMATA. Family MONTICULIPORID^E Nicholson. Aspidopora Ulrich, Atactoporella Ulrich, Homotrypa Ulrich, Homotrypella Ulrich, Mesotrypa Ulrich, Monticulipora D'Orbigny, Orbignyella Ulrich and Bassler, Peronopora Nicholson, Prasopora Nicholson and Etheridge. Family HETEROTRYPID^E Ulrich Atactopora Ulrich, Cyphotrypa Ulrich and Bassler, Dekayella Ulrich, Dekayia Edwards and Haime, Heterotrypa Nicholson, Leptotrypa Ulrich, Petigopora Ulrich, Stigmatella Ulrich and Bassler. Family CONSTELLARIID/E Ulrich. Constellaria Dana, Dianulites Eichwald, Idiotrypa Ulrich, Nicholsonella Ulrich, Stellipora Hall, 1416 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family BATOSTOMELLID;E Ulrich. Batostomella Ulrich, Bythopora Miller and Dyer, Diplostenopora Ulrich and Bassler, Eridotrypa Ulrich, Lioclema Ulricb, Lioclemella Foerste, Stenopora Lonsdale. Suborder INTEGRATA. Family AMPLEXOPORID/E Ulrich. Amplexopora Ulrich, Discotrypa Ulrich, Monotrypella Ulrich, Rhombotrypa Ulrich and Bassler. Family HALLOPORID^E Bassler. Calloporella Ulrich, Hallopora Bassler, Halloporina Bassler. Family TREMATOPORID^} Ulrich. Anaphragina Ulrich and Bassler, Batostoma Ulrich, Diplotrypa Nicholson, Hemi- phragma Ulrich, Monotrypa Nicholson, Stromatotrypa Ulrich, Trematopora Hall. Order CRYPTOSTOMATA. Family PHYLLOPORINID^J Ulrich. Chasmatopora Eichwald, Pseudohornera Roeiner. Family FENESTELLID^E King. Fenestella Lonsdale, Helicopora Claypole, Hemitrypa Phillips, Loculipora Hall, Polypora McCoy, Ptiloporella Hall, Semicoscinium Pront. Thamniscus King. Family ARTHROSTYLID,E Ulrich. Arthroclema Billings, Arthrostylus Ulrich, Glauconome Goldfuss, Helopora Hall, Nematopora Ulrich, Sceptropora Ulrich. Family RHABDOMESONTID^E Vine. Acanthoclema Hall. Family PTILODICTYONID^E Ulrich. Arthropora Ulrich, Clathropora Hall, Escharopora Hall, Graptodictya Ulrich, Phaeno- pora Hall, Ptilodictya Lonsdale. Family STICTOPORELLID^E Nickles and Bassler. Ptilotrypa Ulrich, Stictopora Hall, Stictoporella Ulrich, Tseniodictya Ulrich. Family RHINIDICTYONID^E Ulrich. Dicranopora Ulrich, Eurydictya Ulrich, Goniotrypa Ulrich, Pachydictya Ulrich, Phyllodictya Ulrich, Rhinidictya Ulrich, Trigonodictya Ulrich. Family RHINOPORID^E Ulrich. Diamesopora Hall, Lichenalia Hall, Rhinopora Hall, Stictotrypa Ulrich. Order CHEILOSTOMATA. ?Paleschara Hall. Class BRACHIOPODA. Order ATREMATA. Superfamily OBOLACEA. Family OBOLID^I King. Dicellomus Hall, Elkania Ford, Leptobolus Hall, Lingulella Salter (subgenus Lingu- lepis Hall), Obolus Eichwald (subgenera, Brceggeria Walcott, Lingulobolus Matthew, Palaeobolus Matthew, Westonia Walcott), Paterula Barrande. BIOLOGICAL CLASSIFICATION. 1417 Family TRIMERELLID^J Davidson and King. Dinobolus Hall, Monomorella Billings, Rhinobolus Hall, Trimereila Billings. Superfamily LINGULACEA. Family LINGULID^E Gray. Lingula Bruguiere (subgenera, Palseoglossa Cockerell, Pseudolingula Mickwitz), Tunaria, Pizarroa and Bistramia Hoek (described as asymmetrical Lingulae, but probably pelecypods). Family LINGULASMATID^E Winchell and Schuchert. Lingulasma Ulrich, Lingulops Hall. Order NEOTREMATA. Superfamily SIPHONOTRETACEA. Family SIPHONOTRETID^ Kutorga. Schizambon Walcott, Siphonotreta Verneuil. Superfamily ACROTRETACEA. Family ACROTRETID^E Schuchert. Acrothele Linnarsson, Acrotreta Kutorga, Conotreta Walcott, Linnarssonella Walcott. Superfamily DISCINACEA. Family TREMATID^E Schuchert. Eunoa Clarke, Schizocrania Hall and Whitfield, Trematis Sharpe. Family DISCINID^ Gray. Orbiculoidea D'Orbigny, Schizotreta Kutorga. Superfamily CRANIACEA. Family CRANIID^S King. Crania Retzius, Petrocrania Raymond, Pholidops Hall. Order PROTREMATA. Superfamily ORTHACEA. Family BILLINGSELLED^E Schuchert. Billingsella Hall and Clarke, Eoorthis Walcott (subgenus Orusia Walcott), Protorthis Hall and Clarke. Family ORTHID^E Woodward. Dalmanella Hall and Clarke, Hebertella Hall and Clarke (subgenus Eridorthis Foerste), Orthis Dalman, Orthostrophia Hall (subgenus Schizoramma Foerste), Platystrophia King, Plectorthis Hall and Clarke (subgenera Austin ella and Encu- clodema Foerste). « Family RHIPIDOMELLHWE Schuchert. Bilobites Linnaeus, Dinorthis Hall and Clarke (subgenera Plsesiomys Hall and Clarke, Valcourea Raymond, Heterorthis Hall and Clarke, Pianodema Foerste, Rhipido- mella (Ehlert, Schizophoria King). 1418 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Superfamily STROPHOMENACEA. Family STROPHOMENID^E King. Christiania Hall and Clarke, Lepteena Dalman, Leptella Hall and Clarke, Mimulus Barrande, Orthidium Hall and Clarke, Pholidostrophia Hall and Clarke, Plectam- bonites Pander, Rafinesquina Hall and Clarke, Schuchertella Girty, Streptis David- son, Stropheodonta Hall (subgenera Brachyprion Shaler, Leptostrophia Hall and Clarke, Strophomena Blainville, Strophonella Hall (subgenus Strophoprian Twenhofel), Triplecia Hall (subgenus Cliftonia Foerste). Family PRODUCTION Gray. Chonetes Fischer. Superfamily PENTAMERACEA. Family SYNTROPHIIDN Schuchert. Clarkella Walcott, Syntrophia Hall and Clarke. Family CLITAMBONITID^E Winchell and Schuchert. Clitambonites Pander, Polytoechia Hall and Clarke, Scenidium Hall. Family PoRAMBONrrnx-E Davidson. Anastrophia Hall, Camarella Billings, Parastrophia Hall and Clarke, Porambonites Pander. Family PENTAMERID^E McCoy. Capellinia Hall and Clarke, Clorinda Barrande, Conchidium Linnaeus, Gypidula Hall (subgenus Sieberella (Ehlert), Orthotropia Hall and Clarke, Pentamerella Hall, Pentamerus Sowerby, Platymerella Foerste, Stricklandinia Billings, Virgiana Twenhofel. Family EICHWALDUDN Schuchert. Dictyonella Hall, Eichwaldia Billings. Order TELOTREMATA. Superfamily RHYNCHONELLACEA. Family PROTORHYNCHIDN Schuchert. Protorhyncha Hall and Clarke. Family RHYNCHONELLID/E Gray. Camarotcechia Hall and Clarke (subgenus Stegerhynchus Foerste), Eatonia Hall, Orthorhynchula Hall and Clarke, Rhynchonella Fischer, Rhynchotrema Hall, Rhynchotreta Hall, Uncinulus Bayle, Wilsonia Kayser. Superfamily TEREBRATULACEA. Family CENTRONELLID^] Hall and Clarke. Centronella Billings, Rensseleeria Hall. Family PROTezEUGnxE Twenhofel. Protozeuga Twenhofel. Superfamily SPIRIFERACEA. Family ATRYPID/E Gill. Atrypa Dalman, Atrypina Hall and Clarke, Catazyga Hall and Clarke, Clintonella Hall and Clarke, Glassia Davidson, Lissatrypa Twenhofel, Zygospira Hall. Family CYCLOSPiRmN Schuchert. Cyclospira Hall and Clarke. BIOLOGICAL CLASSIFICATION. 1419 Family SPIRIFERED/E King. Cyrtia Dalman, Reticularia McCoy (subgenus Prosserella Grabau), Spirifer Sowerby (subgenera Delthyris Dalman, Eospirifer Schuchert). Family SUESSID^E Waagen. Cyrtina Davidson. Family RHYNCHOSPIRID^S Hall and Clarke. Homoeospira Hall and Clarke, Rhynchospira Hall and Clarke, Trematospira Hall. Family MERISTELLID^E Hall and Clarke. Hindella Davidson (subgenus Greenfieldia Grabau), Hyattidina Schuchert, Merista Suess, Meristella Hall, Meristina Hall, Meristospira Grabau, Nucleospira Hall, Whitfieldella Hall and Clarke. Family CCELOSPIRID^S Hall and Clarke. Anabaia Clarke, Coelospira Hall. Family ATHYRID^E Phillips. Athyris McCoy. Phyllum MOLLUSCA. Class PELECYPODA. Order PRIONODESMACEA. Family SOLENOMYID,E Gray. Cliiioj)istha Meek and Worthen, Solenomya Lamarck. Family GRAMMYSIUXE Fischer. Cuneamya Hall and Whitfield, Edmondia Dekoninck, Grammysia Verneuilj Lepto- domus McCoy, Saffordia Ulrich, Sedgwickia McCoy. Family CTENODONTID^E Dall. Ctenodonta Salter, Nuculites Conrad, Pyrenomoeus Hall. Family PARARCID^ Ulrich. Panenka Barrande. Family LEDID^E Adams. Clidophorus Hall, Cytherodon Hall. Family MEGALODONTID^E Zittel. Megalomus Hall, Plethocardia Ulrich. Family CYRTODONTID^E Ulrich. Bodmania Miller, Cyrtodonta Billings, Ischyrodonta Ulrich, Matheria Billings, Orto- nella Ulrich, Sowteria Whiteaves, Vanuxemia Billings, Whitella Ulrich. Family AVICULID^E D'Orbigny. Actinopteria Hall, Avicula Klein, Cliopteria Williams, Leptodesma Hall, Limoptera Hall, Leiopteria Hall, Palseopecten Williams, Pterinea Goldfuss, Pteronitella BilHngs, Ptychopteria Hall, Rhbmbopteria Jackson, Tolmaia Williams. Family AMBONYCHIID/E Miller. Allonychia Ulrich. Ambonychia Hall, Amphiccelia Hall, Anomalodonta Miller, Anoptera Ulrich, Byssonychia Ulrich, Clionychia Ulrich, Ectenoptera Ulrich, Eridonychia Ulrich, Mytilarca Hall, Opisthoptera Meek, Paleocardiallall, Pletho- mytilus Hall, Psilonychia Ulrich, Streptomytilus Kindle and Breger. 84243°— Bull. 92— vol 2—15 45 1420 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family CH^NOCARDIID^ Miller. Megambonia Hall. Family CONOCARDIID^E Neumayr. Conocardium Brown. Family LYRODESMID^E Ulrich. Lyrodesma Conrad. Family PECTINID.E Lamarck. Aviculopecten McCoy, ?Palseopteria Whiteaves, Pterinopecten Hall. Family MODIOLOPSHXE Fischer. Aristerella Ulrich, Colpomya Ulrich, Corallidomus Whitfield, Cymatonota Ulrich, Endodeema Ulrich, Eurymya Ulrich, Eurymyella Williams, Goniophora Phillips, Modiolodon Ulrich, Modiolopsis Hall, Modiomorpha Hall, Orthodesma Hall and Whitfield, Orthonota Conrad, Parallelodus Branson, Prolobella Ulrich, Psiloconcha Ulrich, Pyanomya Miller, Sphenolium Miller, Whiteavesia Ulrich. Order ANOMALODESMACEA. Family PHOLADELLID^ Miller. Physetomya Ulrich, Rhytimya Ulrich. Order TELEODESMACEA. Family CYCLOCONCHID^: Ulrich. Allodesma Ulrich, Anodontopsis McCoy, Cycloconcha Miller. Family PLSUROPHORID.E Dall. Cypricardinia Hall. Family LUCINID^ Fleming. Prolucina Dall. Family PAL;EANATID;E Miller. Ilionia Bilh'ngs. POSITION UNCERTAIN. Orthonotella Miller and Faber (Crustacean?). Class AMPHINEURA. Order POLYPLACOPHORA. Family GRYPHOCHITONID^ Dall. Priscochiton Dall. Class GASTROPODA. Order AsPiDOBRANCHiA. Family ACMEID/E Dall. Archinacella Ulrich and Scofield, Conchopeltis Walcott, Helcionopsis Ulri(;h and Scofield, Hypseloconus Berkey, Metoptoma Phillips, Palaeacmsea Hall, Scenella Billings. Family TRYBLIDIID^E Pilsbury. Tryblidium Lindstrom. Family CYRTOLITID^E Ulrich and Scofield. Cyrtolites Conrad, Cyrtolitina Ulrich, Microceras Hall, Trigyra Raymond. Family SINUITID^E Bassler. Bucanella Meek, Sinuitos Koken. BIOLOGICAL CLASSIFICATION. 1421 Family BUCANIID;E Ulrich and Scofield. Bucania Hall, Kokenospira Bassler, Megalomphala Ulrich, Oxydiscus Koken, Phrag- molites Conrad, Salpingostoma Roemer, Tetranota Ulrich and Scofield, Tremano- ttis Hall. Family BELLEROPHONTID^E McCoy. Bellerophon Montfort, Bucanopsis Ulrich. Family CAKINAROPSID^E Ulrich and Scofield. Carinaropsis Hall. Family PLEUROTOMARIID^E D'Orbigny. Cataschisma Branson, Clathrospira Ulrich and Scofield, Ccelocaulus (Ehlert, Ecto- maria Koken, Eotomaria Ulrich, Euconia Ulrich, Hormotoma Salter, Liospira Ulrich and Scofield, Lophospira Whitfield, Loxoplocus Fischer, Mourlonia Deko- ninck, Murchisonia D'Archiac and Vernetiil, Phanerotrema Fischer, Plethospira Ulrich, Pleurotomaria Sowerby, Schizolopha Ulrich, Seelya Ulrich, Sinuopea Ulrich, Turritoma Ulrich. Family EUOMPHALID^E Dekoninck. Ceratopea Ulrich, Eccyliomphalus Portlock, Eccyliopterus Kemele, Euomphalus Sowerby, Helicotoma Salter, Maclurina Ulrich and Scofield, Maclurites Lesueur, Ophileta Vanuxem, Ophiletina Ulrich and Scofield, Pleuronotus Hall, Polygyrata Weller, Straparollina Billings, Straparollus Montfort. Family RAPHISTOMID^E Ulrich and Scofield. Eiiomphalopterus Roemer, Omospira Ulrich, Raphistoma Hall, Raphistomina Ulrich and Scofield, Scalites Emmons. Family TURBiNiro/E Adams. Omphalotrochus Meek. Family TROCHONEMATID^E UHch. AcanthonemaGrabau, Bucanospira Ulrich, CallonemaHall, Codonocheilus Whiteaves, Cyclonema Hall, Cyclora Hall, Dyeria Ulrich, Eunema Salter, Gyronema Ulrich, Holopea Hall, Pleurotrochus Grabau, Poleumita Clarke and Ruedemann, Strepto- trochus Perner, Strophostylus Hall, Trochonema Salter. Order CTENOBRANCHIATA. Suborder HETEROPODA. Pelagiella Matthew. Suborder PLATYPODA. Family LOXONEMATID^: UWch. Loxonema Phillips, Meekospira Ulrich. Family SUBULITID^J Miller. Cyrtospira Ulrich, Fusispira Halt, Subulites Conrad. Family CAPULID^: Cuvier. Diaphorostoma Fischer, Hercynella Barrande, Orthonychia Hall, Platyceras Conrad, Stenotheca Salter, Vallatotheca Foerste. UNCERTAIN PLACE. Clisospira Bill* igs, Matherella Walcott, Omphalopterus Roemer, Palaeopupa Foerste, Pycnomphalus Lindstrom, Scsevogyra \Vhitfield. 1422 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Order OPISTHOBRANCHIA. Suborder PTEROPODA. Family CAVOLINIED/E Fischer. Coleoprion Sandberger, Styliola Lesueur. Family HYOLITHID^E Nicholson. Hyolithes Eichwald, Matthevia Walcott, Pterotheca Salter. Suborder CONULARIIDA. Family TENTACULITID^E Walcott. Tentaculites Schlotheim. Family TORELLELLID^E Holm. Coleolus Hall, Hyolithellus Billings, Salterella Billings. Family CONULARIIDA Walcott. Conularia Miller, JSphenothallus Hall. Class CEPHALOPODA. Subclass TETRABRANCHIATA. Order NAUTILOIDEA. Family ENDOCERATID/E Hyatt. Cameroceras Conrad, Cyclendoceras Grabau and Shinier, Endoceras Hall, Narthe- coceras Hyatt, Nanno Clarke, Suecoceras Holm, Vaginoceras Hyatt. Family PILOCERATID.E Hyatt. Clarkoceras Ruedemann,? Cyrtocerina Billings, Piloceras Salter. Family CYRTENDOCERATID^ Hyatt. Cyrtendoceraa Remele. Family ASCOCERATID^E Barrande. Ascoceraa Barrande, Glossoceras Barrande. Family MESOCERATID;E Hyatt. Billingsites Hyatt. Family ORTHOCERATID^E McCoy. Baltoceras Holm, Geisonoceras Hyatt, Orthoceras Breynius. Family CYCLOCERATID/E Hyatt. Cycloceras McCoy, Dawsonoceras Hyatt, Orygoceras Ruedemann, Protocycloceras Hyatt, Spyroceras Hyatt, Kionoceras Hyatt, Protokionoceraa Grabau and Shimer. Family TARPHYCERATID^ Hyatt. Aphetoceras Hyatt, Barrandeoceras Hyatt, Deltoceras Hyatt, Eurystomites Schroder, Tarphyceras Hyatt. Family TROCHOLITID^E Hyatt. Apsidoceras Hyatt, Discoceras Barrande, Gyroceras Dekoninck, Litoceras Hyatt, Mitroceras Hyatt, Pycnoceras Hyatt, Schroederoceras Hyatt, Trochoceras Barrande, Trocholites Conrad, Trocholitoceras Hyatt. BIOLOGICAL CLASSIFICATION. 1423 Family PLECTOCERATID/E Hyatt. Plectoceras Hyatt, Sphyradoceras Hyatt. Family LITUITID^; Noetling. Ancistroceras Ball, Cyclolituites Remele, Lituites Breynius, Rhynchorthoceras Remele. Family HALLOCERATID^E Hyatt. Zitteloceras Hyatt. Family NAUTILUS Owen. Nautilus Linnaeus. Family LOXOCERATID^E Hyatt. Loxoceras McCoy. Family ACTINOCERATID.E Saemann. Actinoceras Brown, Cyrtactinoceras Hyatt, Deiroceras Hyatt, Discosorus Hall, Gonioceras Hall, Huronia Stokes, Paractinoceras Hyatt, Tripteroceras Hyatt. Family JOVELLANID^E Hyatt. Jovellania Bayle, Tripleuroceras Hyatt. Family RIZOCERATID/E Hyatt. Cyrtorizoceras Hyatt, Rizoceras Hyatt. Family OOCERATID^E Hyatt. Cyrtoceras Goldfuss, Ooceras Hyatt. Family ONCOCERATID^B Hyatt. Cyclostomiceras Hyatt, Eremoceras Hyatt, Meloceras Hyatt, Oncoceras Hall. Family POTERIOCERATID^E Foord. Clinoceras Mascke, Poterioceras McCoy, Streptoceras Billings. « Family TRIMEROCERATID/E Hyatt. Hexameroceras Hyatt, Pentameroceraa Hyatt, Septameroceras Hyatt, Trimeroceras Hyatt. Family PHRAGMOCERATID^J Hyatt. Gomphoceras Sowerby, Phragmoceras Sowerby, Protophragmoceras Hyatt. Phyllum ARTHROPODA. Subphyllum BRANCHIATA. Class CRUSTACEA. Subclass TRILOBITA. Order HYPOPARIA. Family AGNOSTID^E McCoy. Agnostus Brongniart, Arthrorachia Corda, Lejopyge Corda. Family SHUMARDIID^ Lake. Shumardia Billings. Family HARPEDID^J Corda. Eoharpes Raymond, Harpes Goldfuss, Harpides Beyrich. 1424 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family TRINUCLEID^E Emmrich. Cryptolitlms Green, Dionide Barrande, Tretaspis McCoy, Trinucleus Murchison. Family RAPHIOPHORID^E Angelin. Ampyx Dalman (subgenus Lonchodomas Angelin). Order OPISTHOPARIA. Family OLENID^E Burmeister. Acantholenus Matthew, Aulacopleura Corda, Conocephalites Zenlter, Ctenopyge Lin. narason, Loganellus Devine, Lonchocephalus Owen, Parabolina Salter, Faraboli- nella Brogger, Parabolinopsis Hoek, Peltura Milne-Edwards, Ptychoparia Corda, Sphserophthalmus Angelin, Triarthrus Green. Family SOLENOPLEURID^E Angelin. Hystricurus Raymond, Solenopleura Angelin. Family CERATOPYGID^E Raymond. Ceratogyge Corda. Family ELLIPSOCEPHALID^ Matthew. Plethopeltis Raymond. Family REMOPLEUKID^ Corda. Remopleurides Port lock. Family BATHYURID^ Walcott. Bathynrellus Billings, Bathyurus Billings, Bolbocephalus Whitfield, Petigurus Raymond. Family ASAPHID^E Burmeister. Asaphellus Callaway, Asaphus Brongniart, Basilicus Salter, Brachyaspis Salter, Gerasaphes Clarke, Hemigyraspis Raymond, Holasaphus Matthew, Illsenurus Hall, Isoteloides Raymond, Isotelus DeKay, Megalaspis Angelin, Nileus Dahnan, Ogy- gites Tromelin and Lebesconte, Onchometopus Schmidt, Ptychopyge Angelin, Symphysurus Goldfuss, Vogdesia Raymond. Family ILL^ENID^E Corda. Burnastus Murchison, Illsenoides Weller, Illaenus Dalman, Thaleops Conrad. Family DIKELOCEPHALID^E Miller. Apatokephalus Brogger, Calvinella Walcott, Conokephalina Brogger, Dikelocephalus Owen, Platycolpus Raymond, Saukia Walcott. Family GOLDIID/E Raymond. Goldius Dekoninck. Family PROETID^: Corda. Cyphaspis Burmeister, Haploconus Raymond, Prostus Steininger. Family LICHADID^: Corda. Amphilichas Raymond, Arctinurus Castelnau, Conolichas Dames, Corydocephalus Corda, Dicranopeltis Corda, Lichas Dalman, Metopolichas Gurich. Family ODONTOPLEURID/E Burmeister. Acidaspis Murchison, Ceratocephala Warder, Glaphurus Raymond, Odontopleuar Emmrich. BIOLOGICAL CLASSIFICATION. 1425 Order PROPARIA. Family ENCRINURID^E Angelin. Cybeloides Slocom, Encrinurus Emmrich. Family CALYMENID^E Milne-Edwards. Calymene Brongniart, Calymenella Bergeron, Framinia Holtedahl, Homalonotua Koenig, Synhomalonotus Pompeckj, Trimerus Green. Family CHEIRURID^E Salter. Anacheirurus Reed, Ceraurinus Barton, Ceraurus Green, Cheirurus Beyrich, Deiplion Barrande, Heliomera Raymond, Meszkowskia Schmidt, Pliomerops Raymond, Pseudosphserexochus Schmidt, Sphaerexochus Beyrich, Sphserocoryphe Angelin, Staurocephalus Barrande. Family PHACOPID/E Corda. Chasmops McCoy, Dalmanites Barrande, Phacopidella Reed, Phacops Emmrich, Pterygometopus Schmidt. UNPLACED GENERA. Anomocare Angelin, Anomocarella Walcott, Arionellus Barrande, Clelandia Coss- man, Dolichometopus Angelin, Endymionia Billings, Goniurus Raymond, Holo- metopus Angelin, Hungaia Walcott, Leiostegium Raymond, Lisania Walcott, .Levisia Walcott, Leptoplastus Angelin, Lloydia Vogdes, Menocephalus Owen, Pagodia Walcott, Ptychaspis Hall, Telephus Barrande, Thysanopyge Kayser. Class EUCRUSTACEA. Superorder BRANCHIOPODA. Order NOTOSTRACA. Eopteria Billings, Euchasma Billings, Ischyrinia Billings, Ribeirella Shubert and Waagen, Ribeiria Sharpe, Technophorus Miller. Superorder OSTRACODA. Family LEPERDITIID^E Jones. Aparchites Jones, Isochilina Ulrich, Leperditella Ulrich, Leperditia Roualt, Schmidt- ella Ulrich. Family BEYRICHIID^: Jones. Aechmina Jones and Holl, Beyrichia McCoy, Bollia Jones and Holl, Ceratopsis Ulrich, Ctenobolbina Ulrich, Dicranella Ulrich, Dilobella Ulrich, Drepanella Ulrich, Eurychilina Ulrich, Halliella Ulrich, Jonesella Ulrich, Klredenella Ulrich and Bassler, Kloedenia Jones and Holl, Macronotella Ulrich, Mesomphalus Ulrich and Bassler, Moorea Jones and Kirkby, Placentula Jones and Holl, Primitia Jones and Holl, Primitiella Ulrich, Scofieldia Ulrich and Bassler, Strepula Jones and Holl, Tetradella Ulrich, Ulrichia Jones. Family THLIPSURID^E Jones. Octonaria Jones, Thlipsura Jones and Holl. Family CYPRUS Zenker. Bairdia Bosquet, Bythocypris Brady, Cytheropsis McCoy, Krausella Ulrich, Macro- cypris Brady, Pontocypris Sars. Family CYTHERELLID/E Sars. Cytherella Jones, Cytherellina Jones and Holl, Pachydomella Ulrich. 1426 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Family ENTOMID^E Jones. Elpe Barrande, Entomidella Jones, Entomis Jones. Family CYPRIDINID^ Sarg. Cypridina Milne-Edwards. POSITION UNCERTAIN. Faberia Miller. Superorder CIRRIPEDTA. Order THORACICA. Family LEPIDOCOLEID^J Clarke. Lepidocoleus Faber. Family TURRILEPADID^E Clarke. Turrilepas Woodward. Family LEPADID^E Darwin. Pollicepes Leach. Superorder MALACOSTRACA. Division PHYLLOCARIDA. Family CERATIOCARID/E Salter. Caryocaris Salter, Ceratiocaris McCoy. Family ECHINOCARID^E Clarke. Aristozoe Barrande, Emmelezoe Jones and Woodward. Class ARACHNIDA. Subclass MEROSTOMATA. Order SYNXIPHOSURA. Family HEMIASPID^: Zittel. Pseudoniscus Nieszkowski. Order EURYPTERIDA. Family EURYPTERID^E Burmeister. Dolichopterus Hall, Echinognathus Walcott, Eurypterus Dekay, Eusarcus Grote and Pitt, Megalograptus Miller, Onychopterus Clarke and Ruedemann, Stylonurus Page (subgenera Ctenopterus Clarke and Ruedemann and Drepanopterus Laurie), Tylopterus Clarke and Ruedemann. Family PTERYGOTID^ Lankester. Hughmilleria Salter, Pterygotus Agassiz. Subclass EMBOLOBRANCHIATA. Order SCORPIONIDA. Proscorpius Whitfield. Phyllum VERTEBRATA. Class PISCES. Astraspis Walcott, Ctenopleuron Matthews, Cyathaspis Lankaster, Dictyorhabdus Walcott, Eriptychius Walcott, Onchus Agassiz, Palseaspis Claypole. FISH PLATES AND TEETH? (CONODONTS). Drepanodus Pander, Polygnathus Hinde, Prioniodus Pander, Distacodus Hinde. Buthograptus Hall (alga). Callithamiiopsis Whitfield (alga). Chsetocladus Whitfield (alga). Corematocladus Euedemann (alga). Cryptozoon Hall (alga). Girvanella Nicholson and Etheridge (alga). Nematophycus Carruthers. Oldhamia Forbes (alga?). Peronosporites Smith. Phytopsis Hall Primicorallina Whitfield (alga). Protostigma Lesquereux. Sphaerococcites Sternberg. Solenopora Billings (alga). Sphenophyllum Koenig. Sphenophycus Ruedemann (alga). Wingia Seely (possibly algal in part). See also under Sponges for other possible algae. "FUCOIDS.' Arthraria Billings. Blastophycus Miller and Dyer. Boliviana Salter. Buthotrephis Hall. Chondrites Sternberg. Cruziana D'Orbigny. Dactylophycus Miller and Dyer. Discophycus Walcott. ?Discophyllum Hall. Dystactophycus Miller. Heliophycus Miller and Dyer. Ichnophycus Hall. Licrophycus Billings. Lockeia James. Palaeophycus Hall. Rusophycus Hall. Trichophycus Miller and Dyer. BIOLOGICAL CLASSIFICATION. 1427 PLANT KINGDOM. ALGJE, etc. ALPHABETICAL LIST OF GENERA. Page. Acacocrinus 1413 Acanthoclema 1416 Acanthodictya 1408 Acanthograptus 1410 Acantholenus 1424 Acanthonema 1421 Acervularia 1408 Achradocrinus 1414 Acidaspis 1424 Acrothele 1417 Acrotreta 1417 Actinoceras (subgenera Deiroceras and Paractinoceras) 1423 Actinodictyon. 1409 Actinopteria. , 1419 Actinostroma 1409 2Echmina 1425 JEsiocystites 1412 ^thocystites 1412 Agelacrinites 1412 Agnostus 1423 Alepidaster 1414 Allocrinus 1412 Allocystites 1411 Allodesma 1420 Allonema 1415 Allonychia 1419 Alveolites 1409 Ambonycliia 1419 Ampheristocrinus 1414 Amphicoelia 1419 Amphigraptus 1410 Ampliilichas 1424 Amplexopora 1416 Amplexus 1408 Ampyx (subgenus Lonchodomas) . 1424 Amygdalocystites 1411 Anabaia 1419 Anacheirurua 1425 Anaphragma 1416 Anastrophia 1418 Ancistroceras 1423 Anisocrinus 1413 Anisophyllum 1408 Page. Anodontopsis 1420 Anolotichia 1415 Anomalocrinus 1413 Anomalocystites 1411 Anomalodonta 1419 Anomaloides 1408 Anomocare 1425 Anomocarella 1425 Anomoclonella 1407 Anoptera 1419 Anorthaster 1414 Anthaspidella 1407 Aparchites 1425 Apatokephalus 1424 Aphetoceras 1422 Aphyllostylus 1408 Apiocystites 1411 Apsidoceras 1422 Arabellites 1410 Archseocrinus 1412 Archeeoscyphia 1407 Archinacella 1420 Arctinurus • . 1424 Arenicolites 1411 Arionellus 1425 Aristerella 1420 Aristozoe 1425 Arthraria 1427 Arthroclema 1416 Arthrophycus 1411 Artliropora 1416 Arthrorhachis 1423 Arthrostylus 1416 Asaphellus 1424 Asaphocrinus 1413 Asaphoidichnus 1411 Asaphus 1424 Ascoceras 1422 Ascodictyon 1415 Aspidopora 1415 Astraeospongia 1408 Astraspis 1426 Astroconia 1408 Astrocystites 1412 ^The page number refers to the biological classification. 1429 1430 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Page. Astylospongia 1407 Atactopora 1415 Atactoporella 1415 Ateleocystites 1411 Athyris 1419 Atrypa 1418 Atrypina 1418 Aulacopleura 1424 Aulocerium 1409 Aulocopella 1407 Aulocopina 1408 Aulocopium 1407 Aulopora 1409 Austinella 1417 Avicula 1419 Ayiculopecten 1420 Azygograptus 1410 Bairdia 1425 Baltoceras 1422 Barrandeoceras 1422 Barrandeocrinus 1413 Baryphyllum 1408 Basilicus 1424 Bathyurellus 1424 Bathyurus 1424 Batostoma 1416 Batostomella 1416 Beatricea 1409 Belemnocystites 1411 Bellerophon 1421 Berenj^ea 1415 Beyrichia 1425 Billingsella 1417 Billingsites 1422 Bilobites 14JL7 Bistramia 1417 Blastoidocrinus 1412 Blastophycus 1427 Blothrophyllum 1408 Bodmania 1419 Bolbocephalus 1424 Bolboporites 1414 Boliviana .'.... 1427 Bollia 1425 Boreaster 1408 Botryocrinus 1414 Brachiospongia 1408 Brachyaspis 1424 Brachyprion 1418 Brceggeria 1416 Bryograptus 1410 Bucanella 1420 Bucania.. 1421 Page. Bucanopsis 1421 Bucanospira 1421 Bumastus 1424 Buthograptus 1427 Buthotrephis 1427 Byssonycliia 1419 Bythocypris 1425 Bythopora 1416 Cactograptus. 1410 Calapoecia 1409 Calathium 1407 Calceola (subgenus Rhizophyl- lum) 1408 Callicrinus 1413 Callithamnopsis 1427 Callocystites : 1411 Callograptus 1410 Callonema 1421 Calloporella 1416 Calostylis 1409 Calvinella 1424 Calvinia 1409 Calymene 1425 Calymenella 1425 Calyptograptus 1410 Camarella 1418 Camarocladia 1408 Camarocrinus 1412 Camarotoechia (subgenus Steger- hynchus) 1418 Cameroceras 1422 Canadocystis 1411 Cannapora 1409 Capellinia 1418 Carabocrinus 1414 Carinaropsis 1421 Carpomanon 1407 Carpospongia 1407 Caryocaris 1426 Caryocrinites 1411 Caryomanon 1407 Caryospongia 1407 Cataschisma 1421 Catazyga 1418 Centronella 1418 Ceramophylla 1415 Ceramopora 1415 Ceramoporella 1415 Ceratiocaris 1425 Ceratocephala 1424 Ceratopea 1421 Ceratopora 1409 Ceratopsis 1425 ALPHABETICAL LIST OF GENERA. 1431 Page. Ceratopyge 1424 Ceraurinus 1425 Ceraurus 1425 Cerionites .• 1408 Chsetetes 1409 Chsetocladus 1427 Chasmatopora 1416 Chasmops 1425 Chaunograptus 1410 Cheirocrinus 1411 Cheirurus 1425 Chiastoclonella 1407 Chicagocrinus 1413 Chiloporella 1415 Chilotrypa 1415 Chondrites 1427 Chonetes 1418 Chonophyllum (subgenus Cratero- phyllum) 1408 Christiania 1418 Cladopora 1409 Clarkella 1418 Clarkoceras 1422 Clathrodictyon 1409 Clathiopora 1416 Clathrospira 1421 Cleiocrinus 1412 Clelandia 1425 Clidochirus 1413 Clidophorus 1419 Cliftonia 1418 Climacograptus 1410 Climacospongia 1407 Climactichnites 1411 Clinoceras 1423 Clinopistha 1419 Clintonella 1418 Clionychia 1419 Cliopteria 1419 Clisiophyllum 1408 Clisospira 1421 Clitambonites 1418 Clonograptus 1410 Clorinda 1418 Closterocrinus 1414 Coccocrinus 1413 Codonocheilus 1421 Ccelocaulus 1421 Coeloclema 1415 Ccelocystis 1411 Ccelospira 1419 Ccenites 1409 Coleolus 1422 Page. Coleoprion 1422 Colpomya 1420 Columnaria 1408 Comarocystites 1411 Compsocrinus 1413 Conchidium 1418 Conchopeltis : 1420 Conocardium 1420 Conocephalites 1424 Conokephalina 1424 Conolichas 1424 Conotreta 1417 Constellaria 1415 Conularia 1422 Corallidomus 1420 Cordylocrinus 1413 Corematocladus 1427 Cornulites 1411 Corydocephalus 1424 Corynoides 1410 Corynotrypa 1415 Crania 1417 Cremacrinus 1413 Crepipora 1415 Crinocystites 1412 Crotalocrinus 1414 Cruziana 1427 Cryptograptus 1410 Cryptolithus 1424 Cryptophragmus 1409 Cryptozoon 1427 Ctenobolbina 1425 Ctenodonta 1419 Ctenopleuron 1426 Ctenopterus 1426 Ctenopyge 1424 Cuneamya 1419 Cupulocrinus 1414 Cyathaspis 1426 Cyathocrinus 1414 Cyathophycus 1408 Cyathophyllum 1408 Cyathospongia 1407 Cybeloides 1425 Cyclendoceras 1422 Cycloceras 1422 Cycloconcha 1420 Cyclocrinites 1408 Cyclocystoides. 1412 Cyclograptus 1410 Cyclolituites 1423 Cyclonema 1421 Cyclora 1421 1432 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Page. Cyclospira 1418 Cyclostomiceras 1423 Cylindroccelia 1408 Cylindrohelium 1408 Cymatonota 1420 Cyphaspis 1424 Cyphocrintis 1412 Cyphotrypa 1415 Cypricardinia 1420 Cypridina 1426 Cyrtactinoceras 1433 Cyrtendoceras 1422 Cytheropsis 1425 Cyrtia 1419 Cyrtina 1419 Cyrtoceras 1423 Cyrtocerina 1422 Cyrtodonta 1419 Cyrtograptus 1410 Cyrtolites 1420 Cyrtolitina 1420 Cyrtorizoceras 1423 Cyrtospira 1421 Cystaster 1412 Cystiphorolites 1408 Cystiphyllum 1408 Cystocrinus 1412 Cystostylus 1408 Cytherella 1425 Cytherellina 1425 Cytherodon 1419 Cytheropsis 1425 Dactylophycus 1427 Daedalus 1411 Dalmanella 1417 Dalmanites : 1425 Dania 1409 Dawsonia 1410 Dawsonoceras 1422 Deiphon 1425 Deiroceras 1423 Dekayella 1415 Dekayia 1415 Deltacrinus 1413 Delthyris 1419 Deltoceras 1422 Dendroclonella 1407 Dendrocrinus 1414 Dendrocystites 1411 Dendrograptus 1410 Deocrinus 1412 Dermatostroma 1409 Desmograptus 1410 Page. Diabolocrinus 1412 Diamesopora 1416 Dianulites 1415 Diaphorostoma*. 1421 Diastoporina 1415 Dicellograptus 1410 Dicellomus 1416 Dichograptus 1410 Dicranella 1425 DicranograptuH 1410 Dicranopeltis 1424 Dicranopora 1416 Dictyonella 1418 Dictyonema 1410 Dictyorhabdus 1426 Dictyostroma 1409 Didymograptus 1410 Dikelocephalus 1424 Dilobella 1425 Dimerocrinus 1412 Dimorphograptus 1410 Dinobolus 1417 Dinorthis (subgenera Plsesiomys and Valcourea) 1417 Dionide 1424 Diorychopora 1409 Diphyphyllum 1408 Diploclema 1415 Diplograptus (siibgenus Glypto- graptus) 1410 Diplostenopora 1416 Diplotrypa 1416 Discoceras 1422 Discophycus 1427 Discophyllum 1427 Discosorus 1423 Discotrypa 1416 Distacodus 1426 Ditcecholasma 1408 Dolichometopus 1425 Dolichopterus 1426 Drepanella 1425 Drepanodus 1426 Drepanopterus 1426 Duncanella 1408 Dyeria 1421 Dystactophycus 1427 Dystactospongia 1407 Eatonia 1418 Eccyliomphalus (subgeuus Ortho- stoma) 1421 Eccyliopterus 1421 Echinognathus 1426 ALPHABETICAL LIST OF GENERA. 1433 Page. Echinosphaerites 1411 Ectenocrinus 1413 Ectenoptera 1419 Ectomaria 1421 Edmondia 1419 Edrioaster 1412 Edriospongia 1407 Eichwaldk 1418 Elkania 1416 Elpe 1426 Emmelezoe 1425 Emperocrinus 1414 Encrinurus 1425 Encuclodema 1417 Endoceras 1422 Endodesma 1420 Endymionia 1425 Enterolasma 1408 Entomidella 1426 Entomis 1426 'Eoharpes 1423 Eoorthis 1417 Eopolychsetus 1410 Eopteria 1425 Eospirifer 1419 Eospongia 1407 Eotomaria 1421 Eotrophonia 1410 Eremoceras 1423 Eridonychia 1419 Eridophyllum 1408 Eridorthis 1417 Eridotrypa 1416 Eriptychius 1426 Escharopora 1416 Eucalyptocrinus 1413 Euchasma 1425 Eucheirocrinus 1413 Euconia 1421 Eugasterella 1414 Eugyrichnites 1411 Eunema 1421 Eunicitee 1410 Eunoa 1417 Euomphalopterus 1421 Euomphalus 1421 Eurychilina 1425 Eurydictya 1416 Eurymya 1420 Eurymyella 1420 Euryptenis (subgenera Onychop- terus and Pylopterus) 1426 Eurystomites 1422 Page. Eusarcus 1426 Euspirocrinus 1414 Eutaxocrinus 1413 Faberia 1426 Favositella 1415 Favosites .*. 1409 Fenestella 1416 Fistulipora 1415 Fistuliporella 1415 Fletcheria 1409 Frammia 1425 Fungispongia 1408 Fusispira 1421 Gazacrinus 1412 Geisonoceras 1422 Gerasaphes 1424 Girvanella 1427 Gissocrinus 1414 Glaphurus 1424 Glassia 1418 Glaucocrinus 1413 Glauconome 1416 Glossoceras 1422 Glossograptus (subgen.ua Ortho- graptus) 1410 Glycerites 1410 Glyptocrinus 1412 Glyptocystites 1411 Glyptograptus 1410 Gnorimocrinus. . . . '. 1413 Goldius 1424 Gomphoceras 1423 Gomphocystites 1411 Gonioceras 1423 Goniograptus 1410 Goniophora 1420 Goniophyllum 1408 Goniotrypa 1416 Goniiirus 1425 Grammysia 1419 Graptodictya 1416 Graptospongia 1407 Greenfieldia 1419 Gypidula (subgemis Sieberella). . . 1418 Gyroceras 1422 Gyronema 1421 Habrocrinus 1413 Halichondrites 1407 Hallia 1408 Hallicystts 1411 Halliella 1425 Hallopora 1416 Halloporina 1416 1434 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Page. Halysitea 1409 Haploconus 1424 Haplocrinus 1413 Harpes 1423 Harpides 1423 Hebertella (subgenera Eridorthis and Glyptorthis) 1417 Helcionopsis 1420 Helenterophyllum 1408 Helicopora 1416 Helicotoma , 1421 Heliolites 1409 Heliomera 1425 Heliophrentis 1408 Heliophycue 1427 Heliophyllum 1408 Helopora 1416 Hemicyetites 1412 Hemigyraspis 1424 Hemiphragma 1416 Hemitrypa 1416 Hercocrinus 1412 Hercynella 1421 Hermatostroma 1409 Heterocrinus 1413 Heterocystites 1411 Heteronema '. 1415 Heterorthis 1417 Heterospongia 1407 Heterotrypa ." 1415 Hexameroceras 1423 Hindella 1419 Hindia 1407 Holasaphus 1424 Holocystites 1411 Holometopus 1425 Holopea 1421 Homalonotus 1425 Homocrinus 1414 Homoeospira 1419 Homotrypa 1415 Homotrypella 1415 Hormotoma 1421 Hudsonaster 1414 Hughmilleria 1426 Hungak 1425 Huronia 1423 Hyalostelia 1408 Hyattidina 1419 Hybocrinus 1413 Hybocystis 1413 Hybocystites 1411 Hyoli thellus 1422 Page. Hyolithes 1422 Hypseloconus 1420 Hyetricurus 1424 Ichnophycus 1427 Ichthytfcrinus 1413 Idiostroma 1409 Idiotrypa 1415 Ilionia 1420 Illamoides 1424 Illgenurus 1424 Illsenus 1424 Indianocrinus 1414 Inocaulis 1410 locrmus 1413 Ischadites 1408 Ischyrirda 1425 Ischyrodonta 1419 Isochilina 1425 Isoteloides 1424 Isotelus 1424 Jaekclocystis 1411 Jonesella 1425 Jovellania 1423 Kionoceras 1422 Kloedenella 1425 Kloedenia 1425 Kokenospira 1421 Krausella 1425 Labechia 1409 Labyrinthites 1409 Laccophyllum 1408 Lampterocrinus 1412 Lasiocrinus 1414 Lasiograptus 1410 Lasiothrix 1407 Lecanocrinus 1413 Leiopteria 1419 Leiostegium 1425 Lejopyge 1423 Lepadocystis 1411 Leperditella 1425 Leperditia 1425 Lepidocoleus 1426 Lepidolitcs 1408 Lepocrinites 1411 Leptaena 1418 Leptella 1418 Leptobolus 1416 Leptodesma 1419 Leptodomus 1419 Leptograptus 1410 Leptoplastus 1425 Leptopoterion 1408 Leptostrophia 1418 ALPHABETICAL LIST OF GENERA. 1435 Page. Leptotrypa 1415 Levisia 1425 Lichas 1424 Lichenalia 1416 Lichenaria 1408 Lichenocrinus 1412 Licrophycus 1427 Limoptera 1419 Lindstromia 1408 Lingula (subgenera Palseoglossa and Pseudolingula) 1417 Liugulasma 1417 Lingulella (subgenus Lingulepis) . . 1416 Lingulobolus .' 1416 Lingulops 1417 Linnarssonella 1417 Lioclema 1416 Lioclemella 1416 Liospira 1421 Lisania 1425 Lissatrypa 1418 Litoceras 1422 Lituites 1423 Lloydia 1425 Lockeia 1427 Loculipora 1416 Loganellus 1424 Loganograptus 1410 Lonchocephalus 1424 Lonchodomas 1424 Lophiostroma 1409 Lophospira 1421 Loxoceras 1423 Loxonema 1421 Loxoplocus 1421 Lumbriconereites 1410 Lyellia 1409 Lyopora 1408 Lyriocrinus 1412 Lyrodesma 1420 Lysocystites 1412 Maclurina 1421 Maclurites 1421 Macrocypris 1425 Macronotella 1425 Macrostylocrinus 1412 Malocystites 1411 Mariacrinus 1412 Marsipocrinus 1413 MastigograjDtus 1410 Matherella 1421 Matheria 1419 Matthevia 1422 84243°— Bull. 92— vol 2—15 4 Page. Meekopora 1415 Meekospira 1421 Megalaspis 1424 Megalograptus 1426 Megalomphala 1421 Megalomus 1419 Megambonia. 1420 Meloceros 1423 Melocrinus 1412 Menocephalus 1425 Merista 1419 Meristella 1419 Meristina 1419 Meristospira 1419 Merocrinus 1414 Mesomphalus 1425 Mesopalseaster 1414 Mesotrypa 1415 Metopolichas 1424 Metoptoma 1420 Michelinia 1409 Microceras 1420 Mimulus 1414 Mitoclema 1415 Mitroceras 1422 Mitrocrinus 1414 Modiolodon : 1420 Modiolopsis 1420 Modiomorpha 1420 Monograptus 1410 Monomorella 1417 Monotrypa 1416 Monotrypella 1416 Monticulipora 1415 Moorea 1425 Mourlonia 1421 Murchisonia '. . . . 1421 Myelodactylus 1413 Myrianites 1411 Mytilarca 1419 Nanno 1422 Narthecoceras 1422 Nautilus 1423 Nemagraptus 1410 Nemapodia 1411 Nematophycus 1427 Nematopora 1416 Nereidavus 1410 Nereites 1411 Nicholsonella 1415 Nidulites 1408 Nieszkowskia 1425 Nileus 1424 Nipterella 1407 1436 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Page. Nucleospira 1419 Nuculites 1419 Nyctopora 1408 Obolus (subgenera Broggeria, Lin- gulobolus, Paleeobolus, Westonia) 1416 Octonaria 1425 Odontocaulis 1410 Odontopleura 1424 (Enonites 1410 Ogygites 1424 Ohiocrinus 1413 Oldhamia 1427 Omospira 1421 Omphalopterus 1421 Omphalotrochus 1421 Omphyma 1408 Onchometopus 1424 Onchopterus 1426 Onchus 1426 Oncoceras 1423 Ooceras 1423 Ophileta 1421 Ophiletina 1421 Opisthoptera 1419 Orbiculoidea 1417 Orbignyella 1415 Ormathichnus 1411 Ormocrinus 1413 Orthidium 1418 Orthis 1417 Orthoceras 1422 % Orthodesma 1420 Orthograptus 1410 Orthonota 1420 Orthonotella 1420 Orthonychia 1421 Orthorhynchula 1418 Orthostrophia (subgenus Schizo- ramma) 1417 Orthotropia 1418 Ortonella 1419 Onisia 1417 Orygoceras 1422 Ottawacrinus 1414 Oxydiscus 1421 Pachydictya 1416 Pachydomella 1425 Pachyocrinus 1414 Pagodia 1425 Palseacmaea 1420 Palseaspis 1426 Palaeaster 1414 Palaeobolus. . . 1416 Page. Paleeocardia 1419 Palseocrinus 1414 Palseocyclus 1408 Palaeocystites 1411 Palaeodictyota 1410 Palseofavosites 1409 Palseoglossa 1417 Palseomanon 1407 Palaeopecten 1419 Palseophycus 1427 Palaeopteria 1420 Palseosaccus 1408 Paleopupa 1421 Paleschara 1416 Panenka 1419 Parabolina 1424 Parabolinella 1424 Parabolinopsis 1424 Paractinoceras 1423 Parallelodus 1420 Parallelopora 1409 Parastrophia 1418 Pasceolus 1408 Paterula 1416 Pattersonia 1408 Pelagiella 1421 Peltura 1424 Pentamerella 1418 Pentameroceras 1423 Pentamerus -. 1418 Periechocrinus 1413 Periglyptocrinus 1412 Peronopora 1415 Peronosporites 1427 Petalichnus 1411 Petalocrinus 1414 Petigopora 1415 Petigurus 1424 Petrais 1408 Petraster 1414 Petrocrania 1417 Phacelopora 1415 Phacopidella 1425 Phacops 1425 Phsenopora 1416 Phanerotrema 1421 Pholidops 1417 Pholidostrophia 1418 Phormosella 1407 Phragmoceras *. . . . 1423 Phragmolites 1421 Phyllodictya 1416 Phyllograptus 1410 ALPHABETICAL LIST OF GENERA. 1437 Page. Physetomya 1420 Phytopsis 1427 Pianodema 1417 Piloceras 1422 Pisocrinus 1413 Pizarroa 1417 Placentula 1425 Plsesiomys 1417 Planolites 1411 Plasmopora 1409 Platyaxum 1409 Platyceras 1421 Platycolpus 1424 Platycrinus 1413 Platycystites 1411 Platymerella 1418 Platystrophia 1417 Plectambonites 1418 Plectoceras 1423 PJectoderma 1408 Plectorthis (subgenus Encuclode- ma) 1417 Plethocardia 1419 Plethomy tilus 1419 Plethopeltis 1424 Plethospira 1421 Pleurocystites 1411 Pleurograptus 1410 Pleuronotus 1421 Pleurotomaria 1421 Pleurotrochus 1421 Pliomerops 1425 Podolithus 1414 Poleumlta 1421 Pollicepes 1426 Polygnathus 1426 Polygyrata 1421 Polyorophe 1408 Polypora 1416 Polytcechia 1418 Pontobdellopsis 1410 Pontocypris \ 1425 Porambonites 1418 Porocrinus 1414 Poterioceras 1423 Prasopora 1415 Primicorallina 1427 Primitia f. 1425 Primitiella '. . 1425 Prioniodus 1426 Priscochiton 1420 Prismatophyllum 1408 Proboscina... 1415 Page. Proetus 1424 Prolobella 1420 Prolucina 1420 Promopalaeaster 1414 Proscorpius 1426 Prosserella 1419 Protarsea 1409 Protaster 1414 Protaxocrinus 1413 Protichnites 1411 Protocrisina 1415 Protocycloceras 1422 Protokionoceras 1422 Protophragmoceras 1423 Protorhyncha 1418 Protorthis 1417 Protoscolex 1410 Protospongia (subgenus Diago- niella) 1407 Protostigma 1427 Protovirgularia 1410 Protozeuga 1418 Pseudocrinites 1411 Pseudohornera 1416 Pseudolingula 1417 Pseudoniscus 1426 Pseudosphserexochus 1425 Psiloconcha 1420 Psilonychia 1419 Pterinea 1419 Pterinopecten 1420 Pteronitella 1419 Pterotheca 1422 Pterygometopus 1425 Pterygotus 1426 Ptilodictya 4416 Ptilograptus 1410 Ptiloporella 1416 Ptilotrypa 1416 Ptychaspis 1425 Ptychocrinus 1412 Ptychoparia 1424 Ptychophyllum 1408 Ptychopteria 1419 Ptychopyge 1424 Pyanomya 1420 Pycnoceras 1422 Pycnocrinus 1412 Pycnomphalus 1421 Pycnopegma 1407 Pycnosaccus 1413 Pycnostylus 1408 Pyrenomceus 1419 1438 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Pyritonema Page. 1408 Schizocrania Page. 1417 RafinGsquina 1418 Schizocrinus 1412 Raphistoma 1421 Schizolopha 1431 Rap his tomina 1421 Schizophoria 1417 Rastrites 1410 Schizoramina 1417 Rauffella 1408 Schizotreta 1417 Receptaculites 1408 Sclunidtella 1425 Remopleurides I 1424 Schrcederoceras 1422 Rensselseria 1418 Schuchertella 1418 Reteocrinus 1412 Scliucliertia 1414 Reticularia (subgenus Prosserella). 1419 Scofieldia 1425 Retiograptus 1410 Scoli.th.us 1411 Retiolites • .... 1410 S cy phocrinus 1412 Rh.abd.aria 1408 Sedgwickia 1419 Rhaphanocrinus 1412 Seclya 1421 Rhinidic ty a 1416 Semicosciniurn. 1416 Rliinobolus 1417 Septameroceras 1423 Rhinopora 1416 Serpulites 1411 Rhipidomella 1417 Shumardia 1423 Rhizograptus 1410 Sid erocrin us 1412 Rhombodictyon 1408 Sieberella 1418 Rhombopteria (subgenus Newsom- Sigmagraptus 1410 ella) 1419 Sinuitcs 1420 Rhonibotrypa 1416 Sinuopea 1421 Rhopalonaria 1415 S iphonocrinus 1412 Rhynchonella 1418 Sip lion otreta 1417 RhynchorthocGras 1423 Solenomya . 1419 Rhynchospira 1419 Solenopleura 1424 Rhynchotrema . ... 1418 Solcnopora 1427 Rhynchotreta 1418 Sowteria 1419 Rhy timy a 1420 S patiopora 1415 Ribeiria 1425 SphsGrexochus W25 Ribeirella 1425 Sphserococcitcs 1427 Rizoceras 1423 SphcBrocoryph.6 1425 Romingeria 1409 SphaBrocystites 1411 Roscnella 1409 SphsBrophthalmus 1424 Rusophycus 1427 Sphenoliuni 1420 Sabellarites 1411 Sphenophycus 1427 Saccocrinus 1413 Sphenophyllum 1427 Saccospongia 1407 Sphenothallus 1422 Ssericnnites 1411 Sphyradoceras 1423 Saffordia 1419 Spirifer (sub^Gnera Delthyris and Sagenocrinus 1413 Eospirifer) 1419 Salpingostoma 1421 Spirorbis 1411 Salterella 1422 SpyrocGras 1422 Saukia ; 1424 Squamaster 1414 ScsBVogyra 1421 Staurocephalites 1410 Scalites 1421 Staurocophalus 1425 Scenella 1420 Staurograptus 1410 Scenellopora 1415 Stco'Grhyncus 1418 Scenidium . . . 1418 Stclidiocrinus 1412 Sceptropora 1416 Stcliella 1408 Schizambon.. 1417 Stellipora.. 1415 ALPHABETICAL LIST OP GENERA. 1439 Stenaster Stenopora Stenotheca , Stephanella Stephanocrinus. Stictopora Stictoporella Stictotrypa Stigmatella Stomatopora Straparollina Straparollus Strep taster Strep telasma Streptis Streptoceras Strep tomytilus. . Streptosolen Streptospongia. . Streptotrochus. . Strepula Striatopora Stribalocystites. Stricklandinia. . Stromatocerium . Stromatopora... Stromatoporella . Stromatotrypa.. Strombodes... Stropheodonta (subgenus Brachy- prion) Strophograptus Strophomena Strophonella (subgenus Stropho- prion) a. Strophoprion Strophostylus Strotospongia Stylaraea Styliola Stylodictyon Stylonurus (subgenera Ctenopte- rus and Drepanopterus) Subulites Suecoceras Symphysurus Synbathocrinus Syndyograptus Synhomalonotus Syntrophia Syringolites Syringopora (subgenus Drymo- pora) Page. 1414 1416 1421 1407 1413 1416 1416 1416 1415 1415 1421 1421 1412 1408 1418 1423 1419 1407 1407 1421 1425 1409 1411 1418 1409 1409 1409 1416 1408 1418 1410 1418 1418 1418 1421 1407 1409 1422 1409 1426 1421 1422 1424 1423 1410 1425 1418 1407 1409 Page. Syringostroma 1409 Tseniaster 1414 Tseniodictya 1416 Tanaocrinus 1413 Tarphyceras 1422 Technophorus 1425 Teganium 1408 Telephus 1425 Temnocrinus 1413 Temnograptus 1410 Tentaculites. 1422 Teratichnus 1411 Tetracystis 1411 Tetradella 1425 Tetradium 1409 Tetragraptus _1410 Tetranota "l421 Thalamocrinus 1414 Thaleops 1424 Thamniscus 1416 Thamnograptus 1410 Thecia 1409 Thlipsura : 1425 Thysanopyge 1425 Tolmaia 1419 Trachomatichnus 1411 Trachyum 1407 Tremanotus 1421 Trematis 1417 Trematocystis 1411 Trematopora 1416 Trematospira 1419 Tretaspis 1424 Triarthrus '. 1424 Trichophycus 1427 Trichospongia 1408 Trigonodictya 1416 Tiagonograptus 1410 Trigyra 1420 Trimerella 1417 Trimeroceras 1423 Trimerocystis 1411 Trimerus * 1425 Trinucleus 1424 Triplecia 1428 Tripleuroceras 1423 Tripteroceras 1423 Trochoceras 1422 Trocholites 1422 Trocholitoceras 1422 Trochonema (subgenus Eunema) . . 1421 Troostocrinua 1412 Tryblidium 1420 1440 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Page. Tunaria 1417 Turrilepas 1426 Turritoma 1421 Tylopterus 1426 Ulrichia - 1425 Uncinulus 1418 Urasterella 1414 Vaginoceras 1422 Valcourea 1417 Vallatotheca 1421 Vanuxemia 1419 Vermipora 1409 Vinella: 1415 Virgiana 1418 Page. Vogdesia 1424 Walcottia 1411 Westonia 1416 Whiteavesia 1420 Whitella 1419 Whitfieldella 1419 Wilsonia 1418 Wingia 1427 Xenocrinus 1413 Zaphrentis 1408 Zittelella 1407 Zittelloceras 1423 Zophocrinus 1412 Zygospira 1418 FAUNAL LISTS OP AMERICAN OZARKIAN TO LOWEST HELDERBERGIAN. OZARKIAN FAUNAS. OZARKIAN OF UPPER MISSISSIPPI VALLEY. (Oneota=O.; Mendota=M.) A rchinacella similis (Whitfield). (M. ) Ascoceras gibberosum Sardeson. (O.) Billingsella coloradoensis (Shumard). (0.) Climactichnites fosteri Todd (Upper Cambrian?). Climactichnites wilsoni Todd (Upper Cambrian?). Cyrtoceras dresbachense Sardeson. (O.) Cyrtoceras loculosum Hall. (0.) Cyrtoceras luthei Calvin. (0.) Cyrtoceras(f) winonicum Sardeson. (O.) Euomphalus winonensis Sardeson. (O.) Hypseloconus recurvus (Whitfield). (M.) Illxnurus convexus Whitfleld. (M.) Lingulella mosia (Hall). (O.) Murchisoniaff putilla Sardeson. (O.) Obolus dolatus (Sardeson). (O.) Ophileta alturensis Sardeson. (O.) " Piloceras corniculum Sardeson. (0.) Platycolpus barabuensis (Whitfield). (M.) Platycolpus eatoni (Whitfleld). (M.) Raphistoma leiosomellum Sardeson. (O.) Raphistoma lewistonense Sardeson. (O.) Raphistoma minncsotense (Owen). (O.) Raphistoma multivolvatum Calvin. (O.) Raphistoma oweni Sardeson. (O.) Raphistoma paucivolvatum Calvin. (O.) Raphistoma pcpinense (Meek). (O.) Scsevogyra elevata Whitfleld. (M.) Scsevogyra obliqua Whitfleld. (M.) Scsevogyra swezeyi Whitfleld. (M.) Sinuopea obesa (Whitfleld). (O.) Sinuopea strongi (Whitfield). (O.) Sinuopea turgida (Hall). (O.) Straparollus clayton&nsis Calvin. (O.) Straparollus intralobatus Sardeson. (O.) Straparollus pristiniformis Calvin. (O.) Tryblidium barabuensis (Whitfleld). (M.) Tryblidium retrorsum (Whitfield). (M. ) OZARKIAN OF MIDDLE APPALACHIAN VALLEY. (?UPPER CAMBRIAN) (Potsdam= P. ; Kittatinny= K. ; Hoyt= H. ; Cono- cocheague=C.) A nomocare parvulaW eller. ( K . ) Calvinella newtonensis (W eller). (K.) Climactichnites wilsoni Logan. (P.) Conokephalina whitehallensis (Walcott). (P.) Cryptozoon bassleri Wieland. Cryptozoon proliferum Hall. (H.) Dikclocephalus harti (Walcott). (H.) Dikelocephalus tribulis (Walcott). (H.) Eoorthis newtonensis (W eller). (K.) Hyolithellus papillatus Walcott. (P.) Hyolithes gibbosus Hall and Whitfield. (P.) Lingulella (Lingulepis") acuminata (Conrad). (H., P.) Lingulella prima (Conrad). (P.) Lonchocephalus cakiferus (Walcott). (K., H.) Matherella saratogensis (Walcott). (H. ) Matthevia variabilis Walcott. (H.) Obolus ( Westonia) stoneanus (Whitfield). (K.) Pagodia seelyi Walcott. (P.) Palseacmxa typica Hall and Whitfield. (H.) Pelagiella hoyti (Walcott). (H. ) Pelagiella minutissima (Walcott). (H.) Plethopeltis saratogensis (Walcott). (H., K.) Protichnites alternans Owen. (P.) Protichnites lineatus Owen. (P.) Protichnites logananus (Marsh). (P.) Protichnites multinotatus Owen. (P.) Protichnites septemnotatus Owen. (P.) Ptychaspis speciosus Walcott. (H.) Ptychoparia blairi Weller. (P.) Ptychoparia matheri Walcott. (P.) Ptychoparia minuta (Bradley). (P.) Ptychoparia newtonensis Weller. (K.) Saukia stosei Walcott. (C.) Scolithus canadensis Billings. (P.) Scolithus linearisf Haldeman. (P.) Solenopleura jersey ensis (Weller) . ( K. ) Tryblidium cornutaforme ( W alcott) . (H. ) OZARKIAN (LITTLE FALLS) OF NEW YORK. Cryptozoon proliferum Hall. (Base of Little Falls.) Helicotoma uniangulata (Hall). (Chert bed at top. ) Holopea dilucula Hall. (Chert bed at top.) Holopea raymondia Cleland. (Chert bed at top.) Holopeaf valuta Cleland. (Chert bed at top.) Lingukpis acuminata Conrad. (Base of Little Falls.) Sinuopea turgida (Hall). (Chert bed at top.) Tryblidium patulum Cleland. (Chert bed at top.) OZARKIAN? (ERRATICS IN LEVIS) POINT LEVIS, QUEBEC. Acrotreta ovalis Walcott Agnostus americanus Billings. Agnostus canadensis Billings. Agnostus orion Billings. Anacheirurus? apollo (Billings). Anomocarella belli (Billings). Anomocarella oweni (Billings). Anomocarella planifrons (Billings). Apatolcephalus corax (Billings). Arionellusf cylindricus Billings. Arionellus subclavatus Billings. Bathyurellus litoreus Billings. Sathyurellus rarus Billings. Calathium^ pannosum Billings. Conokephalinaf cristata (Billings). Conokephalina megalops (Billings). Cyrtoceras alethes Billings. 1441 1442 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. mania ida (Billings). Eopteriaf ornata Billings. Hebertella battis (Billings). Helicotoma misera Billings. Holopea leiosoma Billings. Hungaia magnifica (Billings). Leptdla decipiens (Billings). Leptella sordida (Billings). Levisia nasuta Walcott. Levisia richardsoni Walcott. Lingulella iris (Billings). Lisaniaf liisingerl (Billings). Lloydia bituberculatus (Billings). Lloydia oblongus (Billings). Logancllus logani (Devine). Lophospira Jessica (Billings). Megalaspis goniurus (Billings). Menocephalus globosus Billings. Menocephalus salteri Devine. Menocephalus sedgwkki Billings. Metoptomaff anomala Billings. Metoptomaff augusta Billings. Metoptoma melissa Billings. Murchisoniaf sylvia Billings. Ophileta profunda Billings. Orthidium gemmicula (Billings). Orihist apicalis (Billings). Orthis(f) eudocia Billings. Orthis euryone Billings. Orlhis(?) mycale Billings. Orthis panderiana Hall and Clarke. Orthis(?) tritonia Billings. Orthocerasautolycus Billings. Palaeacmxa orphyne (Billings). Platycolpus affinis (BUlings). Platycolpus capax (Billings). Platycolpus dubius (Billings). Plethopeltis armatus (Billings). Pleurotomaria postumia Billings. Pleurotomaria (Euconiaf) quebecensis (Billings). Pleurotomaria rotundispira Billings. Pleurotomaria ( Eccyliomphalus f) vagrans (Billings). Pscudosphserexochusf eryx (Billings). Ptychaspisf pauper (Billings). Ptychaspisf selectus (Billings). Ptychaspis sesostris (Billings). Ptychopariaf devinei (Billings). Ptychoparia zenkeri (Billings). Scenellaf venillia (Billings). Seelya cassandra (Billings). SympJiysurus illsenoides (Billings). Syntrophia arachne (Billings). Syntrophia arethusa Billings. TryblidiurfAiyrie (Billings). CANADIAN FAUNAS. CANADIAN OF THE APPALACHIAN REGION. (Phillipsburg, Quebec=P.; Beekmantown, New York=B.; Fort Cassin, Vermont«=C.; Tribes Hill formation=T. H. The symbols D1-D4 and E refer to the divisions of the Beekmantown. Species unplaced in the general section are Jpllowed by the locality.) A phetoceras attenuatum Hyatt. ( P. ) Aphetoceras farnsworthi (Billings). (P.) (D4.) Archinacella pileolum (Whitfield). (B.) (Dl.) Archinacella simplex (Billings). (Ontario.) Asaphellus gyracantJius Raymond. (T. H.; New Jersey.) Asaphus? curiosus Billings. (Quebec.) Asaphus(?) pelops Billings. (Quebec.) Baltoceras(f) pusillum Ruedernann. (C.) Bathyurellus expansus Billings. (Quebec.) Bathyurus angelini Billings. (Quebec.) Bathyurus arcuatus Billings. (Quebec.) Bathyurus glandicepJialus Whitfield. (C.) (E.) Bathyurus perkinsi Whitfield. (Vermont.) (D4.) Bathyurus taur if rons Dwight. (Rochdale County, N.Y.) Bellerophon caldfer Cleland. (T. H.) Bellerophon subovatus Cleland. (T. H.) Billingsella dice Walcott. (Vermont.) Billingsdla(f) primordialis (Whitfield). (C.) (D4.) Bolbocephalus seelyi (Whitfield). (C., B.) (D4.) Bolbocephalus? truncatus Whitfield. (C.) (D4.) Bucania tripla (Whitfield). (Vermont.) (E.) Camarella breviplicata Billings. (Quebec.) Camarella(?) costata Billings. (Quebec.) Camarella polita Billings. (Quebec.) Cameroccras (Proterocameroceras) brainerdi (Whit- field). (C.) (D4.) Cameroceras marcoui (Barrande). (P.) Ceraiopea keithi Ulrich. (Va., Tenn., Md.) Ceraurusf? solitarius Billings. (Quebec.) Clelandia parabola (Cleland). (T. H.) Clisospira curiosa Billings. (Quebec.) Clisospira lirata Whitfield. (C.) (D4.) Cryptozoon lachutense Dawson. (Quebec.) Cryptozoon saxiroseum Seely. (B) Cryptozoon stecli Seely. (New York, etc.) (B.) Cryptozoon wingi Seely. (Vermont.) Cydonema phsedra Billings. (Quebec.) Cydostomiceras cassinense (Whitfield). (C.) (D4.) Cydostomiceras minimum (Whitfield). (C.) (D4.) Cyrtendoccras(?) priscum Ruedemann. (B.) (D.) Cyrtoceras? acinacellum Whitfield. (C.) (D4.) Cyrtoceras aristidcs Billings. (P.) (D2.)" Cyrtoceras beckmanense Whitfield. (B.) (Dl.) Cyrtoceras? confertissimum (Whitfield). (C.) (D4.) Cyrtoceras? dactyloides Dwight. (Rochdale, N. Y.) Cyrtoceras gracilis Cleland. (T. H.) Cyrtoceras microscopicum Dwight. (Rochdale, N.Y.) Cyrtoceras mmisquoi Billings. (P.) (D2.) Cyrtoceras vassarina Dwight. (Rochdale, N. Y.) Cyrtolites sinuatus Hall and Whitfield. (New Jersey.) JDalmandla electra (Billings). (New Jersey.) Dalmandla(?) evadne (Billings). (C.) (D4.) Dalmanella holiensis Cleland . ( T . H. ) Dalmanella macleodi (Whitfield). (B.) (Dl.) Dalmanella wemplei Cleland. (T. II.) Dictyonema furciferum Ruedemann. (Pennsyl- vania. ) Dikeloceplialus? missisquoi Billings. (P.) (D2.) Dolichometopus(?) rarus Billings. (Oxford, Can- ada.) Eccyliomphalus caldferus (Whitfield). (B.) (Dl.) Ecclyiomphalus (Orthostoma") canadensis (Billings). (P.) Eccyliomphalus compressus (Whitfield). (Ver- mont J Eccyliomphalus intortui (Billings). (P.) Eccyliomphalus (Orthostoma") lituiformis ( Whitfleld). (C.) (D4.) FAUNAL LISTS. 1443 Eccyliomphalus multiseptarius (Cleland). (T. H.) Ecajliomphalus perkinsi (Whitfield). (C.) (D4.) Eccyliomphalus prisons (Whitfield).. (B.) (Dl.) Eccyliomphalus spiralis (Billings). (P.) Eccyliomphalus subellipticus Weller. (New Jersey. ) Eccyliopterus disjunctus (Billings). (Ontario.) Eccyliopterus triangulus (Whitfield). (Vermont.) (D4.) Eccyliopterus volutatus (Whitfield). (C.) (D4.) Ectomaria missisquoi (Billings). (Quebec.) Edmondia?? arcuata Cleland. (New York.) Endoceras(?) champlainemis Ruedemann. (B.) (D.) Endoceras moritrealense (Billings). (Quebec, Can- ada.) (D4.) Eoharpes cassinensis (Whitfield). (Vermont.) CD4.) Eoharpes granti (Billings). (Quebec.) Eopteria richardsoni Billings. (Quebec.) Eotomaria? cassina (Whitfield). (C.) (D4.) Euconia beekmancnsis (Whitfield). (B.) (Dl.) Euomphalusff circumliratus Whitfield. (C.) (D4.) Eurystomites accelerans Ruedemann. (Valcour, N.Y.) (D4.) Eurystomites amplectens Ruedemann. (Valcour, N. Y.) (D4.) Eurystomites imperator (Billings). (P.) (D4.) Eurystomites lelloggi (Whitfield). (C.) (D4.) Eurystomites rotundus Hyatt. (C.) (D4.) Eurystomites virginianus Hyatt. (Virginia; C.) Fusispira obesa (Whitfield). (C.) (D4.) Fusispira psyche (Billings). (Quebec.) Goniurus caudatus (Billings). (C.) Goniurus elongatus Raymond. (P.) GoniuruS perspicator (Billings). (Quebec.) Harpides(?) desertus Billings. (Quebec.) Helicotoma similis Whitfield. (Vermont.) (E.) Hemigymspis collieana Raymond. (Pennsylvania. ) Holasaphus moord Raymond. (Quebec.) Holopea obscura (Hall). (Fort Plain, N. Y.) Holopea ovalis Billings. (Quebec.) Holopea proserpina Billings. (P.) (D4.) Hormotoma? artemesia (Billings). (Ontario; Vir- ginia.) Hormotoma? cassina (Whitfield). (C.) (L>4.) Hormotoma confusa( Whitfield). (Vermont.) (E.) Hormotoma gracilens (Whitfield). (B.) (Dl.) Hormotoma obclisca (Whitfield). (C.) (D4.) Hormotoma vesta (Billings). (P.) Hystricurus conicus (Billings). (Canada; C.) (D4.) Hymicurus cordai (Billings). (P.) Hystricurus crotalifrons (Dwight). (Rochdale, N. Y.) Illsenus incectus B-illings. (Quebec.) Illsenus simulator Billings. (Quebec.) Isochilina cristata (Whitfield). (Vermont.) (E.) Isochilina gregaria Whitfield. (C.) (E.) Isochilina Ottawa (Jones). (Quebec.) Isochilina, seelyi (Whitfield). (Vermont.) (E.) Isoteloides whitfieldi Raymond. (C.) (D4.) Kionoceras laqueatum (Hall). (New York.) Leperditia anna Jones. (Quebec.) Leperditia canadensis Jones. (Quebec.) Leperditia, nana (Jones). (Quebec.) Lingula mantelli Billings. (Quebec.) Lingulaf ovata Cleland. (T. H.) Linguldla (Lingulepis) acuminata sequens Walcott. (Essex County, N. Y.) Liospira prsevia (Whitfield). (B.) (Dl.) Liospira strigata Collie. (Pennsylvania.) Lloydia saffordi (Billings). (P.) Lloydia? strenuus (Billings). (Quebec.) Lopliospira calcifera Whitfield. (B.) (Dl.) Maclurites acuminatus (Billings). (C.) (D4.) Maclurites affinis (Billings). (Vermont.) (D4.) Maclurites matutinus (Hall). (T. H.) Maclurites oceanus (Billings). (Virginia.) Maclurites sordidus (Hall). (C.) (Dl.) Monoeraterion lesleyi Prime. (Pennsylvania.) Murchisoniaf? mohawlcensis Cleland. (T. H.) Murchisoniaff prava (Whitfield). (C.) (D4.) Nanno primaevus Whiteaves. (Ontario.) Nautilus?? pomponius Billings. (P.) (D4.) Nileus striatus (Whitfield). (C.) (D4.) Oncoceras vasiforme Dwight. (Rochdale, N. Y.) Ooceras kirbyi (Whitfield). (B., T. H.) (Dl.) Ooceras(f) raei (Whitfield). (B.) Ophileta abdita Billings. (P.) Ophileta bella Billings. (Quebec.) Ophileta compacta Salter. (Quebec.) Ophileta complanata Vanuxem. (B., Pa., Md., Va.) Ophileta levata Vanuxem. (T. H.) Ophileta uniangulata (Hall). (Saratoga Co., N. Y.) Orthis corinna Billings. (Quebec.) Orthis hippolyte Billings. (P.) Orthis(?) minna Billings. (Quebec.) Orthoceras atticus Billings. (Quebec.) Orthoceras cataline Billings. (P.) (D2.) Orthoceras cato Billings. (P.) (D2.) Orthoceras catulus Billings. (P.) (D2.) Orthoceras edax Billings. (Ontario.) 0 rthoceras glaucus B illings . ( Ontario . ) Orthoceras hageri Hall. (Vermont.) Orthoceras henrictta Dwight. (Rochdale, N. Y.) Orthoceras ordinatum Billings. (Ontario.) Orthoceras perseus Billings. (P.) (E.) Orthoceras? primijenium Vanuxem. (T. H.) Orthoceras repens Billings. (P.) (D2.) Orthoceras sayi Billings. (P.) (D2.) Orthoceras spissiseptum Dwight. (Rochdale, N. Y.) Orthoceras tityrus Billings. (P.) (D2.) Orthoceras veterator Billings. (Ontario.) Orthoceras xerxes Billings. (P.) (E.) Orygoceras cornuoryx (Whitfield). (C.) (D4.) Oxydiscus macer (Billings). (Quebec.) Oxydiscus palinurus (Billings). (Quebec.) Palseophycus beauharnoisense Billings. (Quebec.) Palseophycus beverlyense Billings. (Quebec.) Palseophycus funiculus Billings. (L'Original, Can- ada.) Palssophycus irregulare Hall. (Chazy, N. Y.) Palseophycus tubulare Hall. (T. H.) Pctigurus cybele (Billings). (Quebec.) Petigurus ellipticus (Cleland). (T. H.) Piloceras amplum Dawson. (Quebec.) Piloceras explanator Whitfield. (C.) (D4.) Plethospira arenaria (Billings). (Quebec; C.) (D4.) Plethospira cassina (Whitfield). (C.) (D4.) Plcurotomaria arabella Billings. (Quebec.) Pleurotomaria calcifera Billings. (Quebec.) Pleurotomaria canadensis Billings. (Quebec.) Pleurotomaria floridensis Cleland. (T. H.) 1444 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. Pkurotomaria gregaria Billings. (Quebec.) Pleurotomaria missisquoi Billings. (P.) Pliomerops convexus (Billings). (Quebec.) Pliomerops salteri (Billings). (P.) Pliomerops westoni (Billings). (Quebec.) Polygyrata hunter ensis (Cleland). (F. H.) Polygyrata sinistra Weller. (New Jersey.) Polytcechia apicalis (Whitfield). (C.) (D4.) Primitia logani (Jones). (Quebec.) Primitia logani leperditioides (Jones). (Quebec.) Primitia logani reniformis (Jones). (Quebec.) Protocycloceras(f)furtivum (Billings). Protocycloceras lamarcki (Billings). (B., Quebec, etc.) Protocycloceras whitfieldi Rudemann. (C.) (D4.) Protorthis? cassinensis Whitfield. (C.) (D4.) Protorthis? minima Whitfield. (C.) (D4.) Pycnoceras calciferiforme Hyatt. (P.) Raphistoma compressum Whitfield. (C.) (D4.) Raphistoma Jiortensia (Billings). (C.) (D4.) Raphistoma obtusum Cleland. (T. H.) Remopleurides affinis Billings. (Quebec.) Ribeiria calcifera Billings. (Quebec.) Ribeiria compressa Whitfield. (C.) (D4.) Ribeiria? longiuscula Billings. (Quebec.) Ribeiria? nuculitiformis Cleland. (T. H.) Ribeiria nuculitiformis equilatera Cleland. (T. H.) Ribeiria parva Collie. (Pennsylvania.) Ribeiria turgida Cleland. (T. H.) Ribeiria ventricosa Whitfield. (C.) (D4.) Scenellaf alta (Whitfield). (B.) (Dl.) Scenella cassinensis Bassler. (C.) (D4.) Scenella conica Ulrich and Scofield. (C.) (D4.) ScmeUa orithyia (BUlings). (P.) Schrcederoceras cassinense (Whitfield). (C.) (D4.) Schrcederoceras eatoni (Whitfield). (C.) (D4.) Scolithus minutus Brainerd and Seely. (Vermont.) (C.) Seelya difficilis (Whitfield). (C.) (D4.) Seelya ventricosa Ulrich. (C.) (D4.) Sinuites cassinensis (Whitfield). (C.) (D4.) Sinuites rossi (Collie). (Pennsylvania.) Straparollina minima Whitfield. (Vermont.) Straparollus parvus Cleland. (T. H.) Symphysurus convexus (Cleland). (T. H.) Syntrophia(f) armanda (Billings). (P.) (D2.) Syntrophia calcifera (Billings). (P.) Syntrophia campbelli Walcott. (Tennessee.) Syntrophia lateralis (Whitfield). (C.; Fort Hunter, N.Y.jN. J.) (D4, etc.) Syntrophia palmata Cleland. (T. II.) Tarphyceras champlainense (Whitfield). (C.) (D4.) Tarphyceras clarkei Ruedemann. (Valcour, N. Y.) (D4.) Tarphyceras farnsworthi (Billings). (P.) Tarphyceras macdonaldi Hyatt. (Virginia.) * Tarphyceras perkinsi (Whitfield). (C.) (D4.) Tarphyceras seelyi (Whitfield). (C.) (D4.) Triplccia(?) radiata Whitfield. (B.) (Dl.) Trocholites internistriatus (Whitfield). (C.) (D4.) Trocholitoceras wakotti Hyatt. (C.) (D4.) Trochoncma exile Whitfield. (B.) (Dl.) Tryblidium? acutum Whitfield. (B.) (Dl.) Tryblidium niobe (Billings). (P.) Tryblidium ovale Whitfield. (C.) (D4.) Tryblidium ovatum Whitfield. (C.) (D4.) Turritoma ada (Billings). (Quebec.) Wingia congregata Seely. (C.) Wingia discoidea Seely. (Vermont.) Wingia lapilla. Seely. (Vermont.) CANADIAN OF MISSISSIPPI VALLEY AND WESTERN NORTH AMERICA. Aphetoceras complanatum Shumard. (Missouri.) Bucanella nana Meek. (Colorado.) Caryocaris wrighti Salter. (Arkansas.) Ccratopygc canadensis Walcott. (Goodsir of British Columbia.) Clarkella montanensis Walcott. (Montana.) Clarkoceras newton winchelli (Clarke). (Shakopee of Minnesota.) Cryptozoon giganteum Chaney. (Shakopee of Mirir nesota.) Cryptozoon minnesotense Winchell (Shakopee of Minnesota.) Cryptozoon minnesotense libertatis Winchell. (Shak- opee of Minnesota.) Dendrograptus serpens Hopkinson. (Nevada.) D icellomus nanus (Meek and Hay den) . (Wyoming.) Didymograptus euodus Lap worth. Didymograptus perflexus Gurley. (Nevada.) Eccyliomphalus gyroceras (Roemer). (Texas.) Eccyliopterus michleranus (Hall). (Texas.) Endoceras consuetum Sardeson. (Shakopee of Min- nesota.) Eoorthis desmopleura (Meek). (Colorado.) Eoorthis desmopleura nympha Walcott. (Colorado.) Eoorthis wichitaensis Walcott. (Colorado.) Glossograptus ciliatus horridus Ruedemann. (Ne- vada.) Hclicotoma(f) peccatonica Sardeson. (Shakopee of Minnesota.) Hcmigyrapsis mcconnelli Raymond. (Goodsir of British Columbia.) Hormotoma argylensis (Sardeson). (Shakopee of Minnesota.) Hormotoma melaniaformis (Shumard). (Missouri.) Lingulella? allani Walcott. (Goodsir of British Co- lumbia.) Lingulella desiderata (Walcott). (Colorado.) Lingulella moosensis Walcott. (Goodsir of British Columbia.) Megalaspis goniocerca (Meek). (Utah.) Murchisoni? carinifera Shumard (Missouri). Murchisonia ozarkensis Shumard (Missouri). Obolus discoidea (Hall and Whitfield). (Utah.) Obolus ( Westonia) elongatus (Walcott). Obolus loperi Walcott (Colorado). Obolus matinalis (Hall). (Colorado.) Obolus mollisonensis Walcott. (Goodsir of British Columbia.) Obolus ( Westonia) notchensis Walcott. (Utah.) Obolus ( Westonia) rogersi Walcott. (Drift, Mass.) Obolus rotundatus Walcott. Ophileta complanata nana Meek. (Utah.) Orthoceras colon Wlu'te. (Utah.) 0 rthoceras ozarkense Shumard . ( Missouri. ) Phyllograptus loringi White. (Utah.) Polygyrata polygyrata (Roemer). (Texas.) Polygyrata rotuliformis (Meek). (Nevada.) Polygyrata trochiscus (Meek). (Nevada.> Raphistoma ruidum Sardeson. (Shakopee of Min- nesota.) Raphistoma subplanum Shumard. (Missouri.) FAUNAL LISTS. 1445 Schizambon manitouensis Walcott. (Colorado.) Straporottus sanctisabx (Roemer). (Texas.) Straporollus valvataformis Shumard. (Missouri.) Subulites exactus Sardeson. (Shakopee of Minne- sota.) TryUidium repertum Sardeson. (Shakopee of Min- nesota.) CANADIAN (LEVIS AND SILLERY) OP QUEBEC. (Unless otherwise marked all are from the Levis.) Acanthodictya Mspida Hinde. (Metis.) Acrothele levisensis Walcott. • Acrothele pretiosa (Billings). (Levis and Sillery.) Acrothele rotunda (Nicholson). Agnostus sidebladhi Linnarsson. Arionellus subclavatus Billings. Buthotrephis pergracilis Dawson. Callograptus diffusus (Hall). Callograptus elegans Hall. Callograptus salteri Hall. Caryocaris curvilatus Gurley. Caryocaris oblongus Gurley. Chondrites metissicus Dawson. (Metis.) Climacograptus pungens Ruedemann. Clonograptus abnormis (Hall). Clonograptus flexilis (Hall). Clonograptus milesi (Hall). Clonograptus remotus (Gurley). Clonograptus rigidus (Hall). Cryptograptus? antennarius (Hall). Cyathophycus quebecensis Dawson. (Metis.) Cyrtoceras dictys Billings. Cyrtoceras quebecensis Whiteaves. Cyrtoceras surgens Barrande. Cyrtocerina mercurius Billings. Dalmanella electro, (Billings). Dalmanella(?) evadne (Billings). Dawsonia acuminata Nicholson. Dawsonia monodon Gurley. Dawsonia tenuistriata Nicholson. Dawsonia tridens Gurley. Dendrograptus divergens Hall. Dendrograptus erectus Hall. Dendrograptus flexuosus Hall. Dendrograptus fruticosus Hall. Dendrograptus gracilis Hall. Dendrograptus striatus Hall. Dendrograptus(f) succulentus Ruedemann. Desmograptus cancellatus (Hopkinson). Dichograptus octonarius (Hall). Dictyonemafurdferum Ruedemann. Dictyonema grande Nicholson. Dictyonema irregulare Hall. Dictyonema murrayi Hall. Dictyonema perexile Gurley. Dictyonema quadrangulare (Hall). Dictyonema rectilineatum Ruedemann. Dictyonema robusta Hall. Didymograptus arcuatus (Hall). Didymograptus bifidus (Hall). Didymograptus bipunctatus Gurley. Didymograptus caduceus nanus Ruedemann. Didymograptus extensus (Hall). Didymograptus extenuatus (Hall). Didymograptus forcipiformis Ruedemann. Didymograptus furcillatus Lapworth. Didymograptus indentus (Hall). Didymograplus nitidus (Hall). Didymograptus patulus (Hall). Didymograptus pennatulus (Hall). Didymograptus similis (Hall.) Diplograptus dentatus (Brongniart). Diplograptus inutilis Hall. Elkania desiderata (Billings). Endymionia meeki (Billings). Eremoceras syphax (Billings). Goniograptus perflexilis Ruedemann. Goniograptus thureaui McCoy. Halichondrites confusus Dawson and Hinde. Holograptus richardsoni (Hall). Holometopus angelini Billings. Hyalostcliaf mctissica Dawson. ' (Metis.) Hystricurvis cordai (Billings). Lasiothrix curvicostata Dawson and Hinde. (Metis. ) Lasiothrix flabellata Dawson and Hinde. (Metis.) Leiostcgium quadratum (Billings). Leptograptus macrotheca Gurley. Lingula quebecensis Billings. Lingulella ellsi (Walcott). Sillery. Lingulella irene (Billings). Loganograptus logani (Hall). Mxlonoceras metellus Billings. OpMleta abdita Billings. Orthis Jiippolyte Billings. Palseacmxa quebecensis (Billings). Palzosaccus dawsoni Hinde. (Metis.) Phyllograptus angustifolius Hall. Phyllograptus anna Hall. Phyllograptus ilicifolius Hall. Phyllograptus typus Hall. Protospongia (Diagoniella) coronata (Dawson and Hinde). (Metis.) Protospongia (Diagoniella') cyatldformis (Dawson and Hinde). (Metis.) Protospongia delicatula Dawson and Hinde. (Metis. ) Protospongia mononema Dawson and Hinde. (Metis.) Protospongia polynema Dawson and Hinde. (Metis.) Protospongia tetranema Dawson. (Metis.) Ptilograptus geinitzianus Hall. Ptilograptus plumosus Hall. Rctiograptus tentaculatus (Hall). Sabellaritcs phosphaticus Dawson. (Metis.) Shumard ia granulosa Billings. Shumardia puntta (Sars). Siphonotreta(?) micula McCoy. Stephandla hindi Dawson. (Metis.) Syntrophia calcifcra (Billings). Temnograptus noveboracensis Ruedemann. Temnograptus ramulus (Hall). Tctragraptus acanthonotus Gurley. Tctragraptus alatus (Hall). Tctragraptus amii (Lapworth). Tctragraptus approximatus (Nicholson). Tetragraptiis crucifcr (Hall). Tetragraptus denticulatus (Hall). Tctragraptus fruticosus (Hall). Tctragraptus hcadi (Hall). Tetragraptus pendens Files. Tetragraptus quadmbrachiatus (Hall). Tetragraptus scrra (Brongniart). Tetragraptus similis (Hall). Thamnograptus anna Hall. Trigonograptus ensiformis (Hall). / 1446 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. CANADIAN (BRETONIAN) OF CAPE BRETON AND NEW BRUNSWICK. (C3a- Parabolina zone. C3b= Peltura zone. C3c- Dictyonema zone. C3c2=Asaphelluszone. C3d— Lower Tetragraptus zone. C3e= Lingulella (Lep- tobolus) grandly zone.) A cantholenus spiniger (Matthew). (C3b.) A crotreta belti (Matthew ). (C3c. ) Acrotreta bisecta Matthew. (C3c.) Acrotrcta convexa Walcott. (C3c.) Agnostus acadicus dcclivus Matthew. (C3b.) Agnostus bisectus Matthew. (C3b.) Agnostus pisiformis (Linnaeus). (C3a.) A gnostus pisiformis affinis Matthew. (C3a.) A gnostus pmformis rugulosus Matthew. (C3a. ) Agnostus pisiformis valida Matthew. (C3a.) Agnostus trisectus Salter. (C3b.) A gnostus trisectus germanus Matthew. (C3b. ) Agnostus trisectus ponepunctus Matthew. (C3b.) Anomocare stenotoides (Matthew). (C3a.) Asaphellus homfrayi (Salter). (C3c2.) . Seller 'ophon bretonensis Matthew. (C3c.) BclleropJion insulae Matthew. (C3c2.) Bellerophon semisculptus Matthew. (C3c2.) Bryograptus spinosus Matthew. (C3c.) Camarella parva Billings. (C3a.) Clitambonites planus relroflexus (Vemeuil). Clonograptus flexilis (Hall). (C3d.) Clonograptust spinosus Matthew. (C3b.) Conocephalites(f) contiguus Matthew. (C3a.) Ctenopyge acadica Matthew. (C3b.) Ctenopygef lobata (Brogger). (C3b.) Ctenopyge pecten (Salter). (C3a.) Ctenopyge spectaMlis (Br8gger). (C3b.) Cyclognathus rotundifrons Matthew. (C3d.) Dalmanella electro. Billings. Dalmanella electro. Ixvis (Matthew). (C3d.) Dalmanella electro, major (Matthew). (C3d.) Dictyonema flabelliforme (Eichwald). (C3c.) Dictyonema perexile Gurley. (C3d.) Dictyonema quadrangulare (Hall). (C3d.) Didymograptus indentus (Hall). (C3d.) Didymograptus nitidus (Hall). (C3d.) Didymograptus patulus (Hall.) (C3d.) Eoorthis atava (Matthew). (C3a.) Eoorthisjohannensis (Matthew). (C3a.) Eoorthis (Orusia) lenticularis (Wahlenberg). (C3ac.) Eoorthis (Orusia) lenticularis atrypoides (Matthew) (C3a.) Eoorthis (Orusia) lenticularis lyncioides (Matthew). (C3a.) Hemigyraspis plana (Matthew). (C2, C3.) Lejopyge cyclopygef (Tullberg). (C3b.) Leptoplastus latus Matthew. (C3b.) Leptoplastus spinosus Matthew. (C3b.) Lingulella concinna Matthew. (C3c.) Lingulella davisi (McCoy). ' (C3c2.) Lingulella (Lingulepsis) exigua (Matthew). (C3b.) Lingulella ferruginea Salter. (C3c.) Lingulella grandis (Matthew). (C3e.) Lingulella Ixvis Matthew. (C3a.) Lingulella Ixvis grandis Matthew. (C3a.) Lingulella lens (Matthew). (C3a?) Lingulella lepis (Salter). (C3a and C3c.) Lingulella minor (Matthew). (C3d.) Loganograptus logani (Hall). (C3d.) Obolus (Palxobolus) bretonensis (Matthew). (C3a.) Obolus ( Westonia) escasoni (Matthew). (C3ab.) Obolus refulgens Matthew. (C3a.) Obolus (Broggeria) salteri (Hall). (C3a.) Orthis carausii Salter. (C3a.) Orthis euryone Billings. (C3d.) Orthis menapix Hicks. (C3d.) Orthis panderiana Hall and Clarke. (C3d.) Orthoceras catulus Billings. (C3d.) Orthoceras priamus Billings. (C3d.) Parabolina dawsoni Matthew. (C3b.) Parabolina grandis (Matthew). (C3b.) Parabolina hereslata Matthew. (C3b.) Parabolina spinulosa (Wahlenberg). (C3a.) Parabolinella limitis (Brogger). (C3c2.) Parabolinella posthuma Matthew. (C3d.) Parabolinella quadrata Matthew. (C3c2.) Peltura scarabxoides (Wahlenberg). (C3b.) Protopeltura acanthura tetracanthura Matthew. (C3a.) Retiograptus tentaculatus (Hall). (C3d.) Schizambon priscus Matthew. (C3c.) Sphxrophthalmus alatus (Boeck). (C3b.) Sphxrophthalmus alatus canadensis Matthew. (C3b.) Sphxrophthalmus flagellifer Angelin. (C3b.) Sphxrophthalmus fletcheri Matthew. (C3b.) Staurograptus dichotomus Emmons. (C3c.) Styliola corrugata (Matthew). (C3d.) Styliola minuta (Matthew). (C3d.) Styliola primxva Matthew. (C3d.) Tetragraptus quadribrachiatus. (C3d.) Triarthrus belli Matthew. (C3c2.) CANADIAN (DEEPKILL) OF EASTERN NEW YORK. Bryograptus lapivorthi Ruedemann. Bryograptus pusillus Ruedemann. Callograptus diffusus (Hall) . Callograptus salteri Hall. Climacograptus pungens Iiuedemann. Clonograptus flexilis (Hall.) Cryptograptus? 'antennarius (Hall). Dawsonia monodon Gurley. Dawsonia tridcns Gurley. Dendrograptus flexuosus Hall. Dendrograptus fluitans Ruedemann. Dendrograptus(f) succulentus Ruedemann. Desmograptus intricatus Ruedemann. Dichograptus octobrachiatus (Hall). Dictyonema furciferum Ruedemann. Dictyonema rectilineatum (Ruedemann). Didymograptus acutidens Lap worth. Didymograptus bifidus (Hall). Didymograptus (Tsograptus) caduceus (Salter). Didymograptus cuspidatus Ruedemann. Didymograptus ellesx Ruedemann. Didymograptus extensus (Hall). Didymograptus filiformis Tullberg. Didymograptus forcipiformis Ruedemann. Didymograptus gracilis Tornquist. Didymograptus incertus Ruedemann. Didymograptus nanus Lapworth. Didymograptus nitidus Hall. Didymograptus nitidus grandis Ruedemann. Didymograptus patulus (Hall). Didymograptus similis (Hall). Didymograptus spinosus Ruedemann. FAUNAL LISTS. 1447 Didymograptus tornquisti Ruedemann. Diplograptus dentatus (Brongniart). Diplograptus inutilis Hall. Diplograptus longicaudatus Ruedemann. Eunoa acedia Clarke. Glossograptus Jiystrix Ruedemann. G&niograptus geometricus Ruedemann. Goniograptus perflexilis Ruedemann. Goniograptus thureaui McCoy. Loganograptus logani (Hall). Phyllograptus angustifolius Hall. Phyllograptus anna Hall. Phyllograptus ilicifolius Hall. Phyllograptus typus Hall. P&lograptus geinitzianus Hall. Ptilograptus plumosus Hall. Ptilograptus tenuissimus Ruedemann. Rctiograptus tentaculatus (Hall). Sigmagraptus precursor Ruedemann. Strophograptus tricJiomanes Ruedemann. Temnograptus novaboracensis Ruedemann. Tctragraptus amii (Lapworth). Tctragraptus clarkei Ruedemann. Tctragraptus fruticosus (Hall). Tctragraptus (Etagraptus) lentus Ruedemann. Tctragraptus pendens Elles. Tctragraptus pygmseus Ruedemann. Tctragraptus quadribrachiatus (Hall). Tctragraptus serra (Brongniart). Tctragraptus similis (Hall). Tctragraptus taraxacum Ruedemann. Tetragraptus woodse Ruedemann. Trigonograptus ensiformis (Hall). CANADIAN (SCHAGHTICOKE) OF EASTERN NEW YORK. (DICTYONEMA FLABELLIFORME BED.) Dictyonema flabelliforme (Eichwald). Staurograptus dichotomus Emmons. CANADIAN (ROMAINE) OF MINGAN ISLANDS, QUEBEC. Archxoscyphia minganensis (Billings). Bathyurus acutus Raymond. Bathyurus angelini Billings. Billing sella(f) grandxva (Billings). Euconia ramsayi (Billings). Eurystomites apollo Billings. Fusispira calcifer (Billings). Hormotoma anna Billings. Lophospira? hermione (Billings). Nautilus? ferox Billings. Nipterella paradoxica (Billings). Orthoceras becki Billings. Orthoceras deparcum Billings. Orthoceras indagator Billings. Orthoceras sordidum Billings. Pleurotomaria canadensis Billings. Pleurotomaria miser a Billings. Raphistomina laurentina (Billings). Receptaculites calciferus Billings. Receptaculitesf elegantulus Billings. Rhabdaria fragilis Billings. Rhabdaria furcata Billings. Schrccderoccras palinurus (Billings). Trichospongia sericea Billings. Trochonema trkarinatum Billings. Tryblidium, nycteis (Billings). CANADIAN (QUEBEC) OF NEWFOUNDLAND. (Divisions D.-H. and N.-P., in part.) Acrotreta gemma Billings. (P.) Aphetoceras americanum Hyatt. Aphetoceras boreale Hyatt. Bathyurellus abruptus Billings. (E., G., H.) Bathyurellus marginatus Billings. (F., G., H.) Bathyurus timon Billings. (G., H.) Calathium affine Billings. (G.) Calathium anstedi Billings. (H.) Calathium formosum Billings. (G.) Callograptus clegans Hall. (P.) Cyclolituiles americanus Hyatt. Dalmanella electro, (Billings). Deltoceras planum Hyatt. Dolichometopus(f) convexus Billings. (G.) Dolichometopus(f) gibberulus Billings. (G.) Eccyliomphalus atlanticus (BUlings). (F., G.) Ectomaria adelina (Billings). (G.) Endymionia meeki (Billings). (N., P.) Eopteria typica Billings. (G.) Euchasma blumenbachii (Billings). (G., H.) Euconia etna (Billings). (G., H.) Eurystomites gibbosus Hyatt. Goniurus caudatus (Billings). (G., H.) Helicotoma gorgonea Billings. (H.) Helicotoma proserpina Billings. (G.) Helicotoma tritonia Billings. (G.) Holometopus angelini Billings. (N., P.) Hormotoma agilis (Billings). (G.,H.) Hystricurus conicus (Billings). (P.) Hystricurus cordai (Billings). (F., G.,H.,N.) Leperditia turgida BUlings. (F., H.) Leptella decipiens (Billings). (P.) Lingula hawleyi Matthew. Lingula murrayi Billings. Lingula quebecensis Billings. (P.) Lingulella bella (Walcott). Liospira numeria, (Billings). (G.) Litoceras biangulatum Hyatt. Litoceras versutus (Billings). (H.) Litoceras whiteavesi (Hyatt). Lloydia saffordi (Billings). (P.) Lloydia solitarius (Billings). Maclurites acuminatus (BUlings). (K. , N.) (Cha- zyan?) Maclurites affinis (Billings). (F.) Maclurites oceanus (BUlings). (F.,H.) Maclurites psyche (BUlings). (G.) Maclurites rotundatus (BUlings). (G.) Maclurites speciosus (BUlings). (G. , M.) Maclurites sylpha (BUlings). (G.) Murchisoniaf placida BUlings. (G.) Nautilus ff avus Barrande. Nileus affinis Billings. (P.) Obolus (Lingulobolus) affinis (BUlings). Obolusf murrayi BUlings. Obolus (Lingulobolus) spissus (Billings). Ophileta bella BUlings. (P.) Ophileta nerine BUlings. (F.) Orthis hippolyte Billings. (P.) Orthoceras explanator (BUlings). Orthoceras recedens Barrande. Petigurus nero (BUlings). (F.,G.,H.,N.) Phyllograptus typus Hall. (P.) Piloceras canadcme BUlings. (F., H.) 1448 BULLETIN 92. UNITED STATES NATIONAL MUSEUM. Piloceras gracile BiUings. (H.) Piloceras triton Billings. (G.,H.) Piloceras wortheni Billings. (H.) Pleurotomaria agarista Billings. (H.) Plcurotomaria ( Trochonemaf) calphurnia (Billings). (G.) Plcurotomaria harpya Billings. (G.) Pleurotomaria hyale Billings. (F.) Pleurotomaria normani Billings. (G.) Pliomerops insularis (Billings). (G.) Ptilograptus plumosus (Hall). (P.) Pycnoceras apertum Hyatt. Pycnoceras calcifcriforme Hyatt. Raphistoma Jiortcnsia (Billings). (H.) Shumardia glacialis Billings. (P.) Straparollina pclagica Billings. (P.) Syntrophia calcifcra (Billings). (P.) Tarphyccras aucoini Hyatt. Tarphyccras calcifcrus (Billings). (F., G.)^ Tarphyceras extensum Hyatt. Tarphyceras prematurum Hyatt. Tctragraptus denticulatus (Hall). (P.) Tctragraptusfruticosus (Hall). (P.) Tetragraptus Jieadi (Hall). (P.) Tetragraptus serra (Hall). (P.) Trachyum cyathiforme Billings. (G.) Trachyum rugosum Billings. (G.) Trochocerasf incipiens Barrande. Turritoma acrea (Billings). (G.) ORDOVICIAN FAUNAS. ST. PETER SANDSTONE OF MISSISSIPPI VALLEY. Crania(f) reversa Sardeson. Ctenodonta absimilis (Sardeson). Ctenodonta novicia (Sardeson). Cyrtodonta descriptus (Sardeson). Cyrtodonta dignus (Sardeson). Cyrtodonta finitimus (Sardeson). Leperditia sublxvis ( Shumard) . (Joachim Is . ) Modiolopsis affinis Sardeson. Modiolopsis contigua Sardeson. Modiolopsis fountainensis Sardeson. Modiolopsis gregalis Sardeson. Modiolopsis litoralis Sardeson. Modiolopsis postica Sardeson. Ophiletafausta Sardeson. Orthoceras minnesotense Sardeson. Platyceras vetulum Sardeson. Pleurotomaria aiens Sardeson. Psiloconcha senecta (Sardeson). Rauffella? fucoida Sardeson. Scolithus minnesotensis James. Vanuxemiafragosa (Sardeson). CHAZTAN OF CHAMPLATN AND OTTAWA VALLEYS. (Day Point=D.; Crown Point=C.; Valcour=V.; Aylmer=A.) Ambonychiaf curvata Raymond. (D.,C.) Amphilichas minganensis (BiUings). (D., V.,C.) Ampyx (Lonchodomas) halli (Billings). (C.) Archzeocrinusf delicatulus Hudson. (V.) Archinacella deformata (Hall). (D., V.) A rchinacella propria Raymond. (C., D.) Barrandeoceras natator (Billings). (V.) Basilicus marginalia (Hall). (D.,C.) Bathyurellus brevispinus Raymond. (D.) Bathyurellus minor Raymond. (C.) Blastoidocrinus carcharixdens Billings. (V.) Bucania sulcatina (Emmons). (D.,V.) Bumastus erastusi (Raymond). (C.,V.) Bumastus globosus (Billings). Whitcavesia expansa Raymond. (C.) Whiteavcsia? undata Raymond. (C.) Zygospira(?) acutirostris Hall. (D., C., V.) CHAZYAN (LENOIB) OP VIRGINIA AND TENNESSEE. Bucania sulcatina Emmons. Bumastus globosus (Billings). Camarclla longirostris Billings. Camarella varians Billings. 1450 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Dinorthis (Plsesiomys) platys (Billings). Dinorthis strophemcnoides Raymond. Eurychilina latimarginata (Raymond). Hebertella borealis (Billings). Hebertella vulgaris Raymond. Holopca scrutator Raymond. Illxnus globosus (Billings).. Leperditia limatula Raymond. Lophospira? Icnoxvillensis Ulrich. Madurites knoxvillensis (Ulrich). Madurites magnus Lesueur. Rafinesquina champlainensis Raymond. Rafinesquina incrassata (Hall). Raphistoma staminea (Hall). Scenella prctcnsa Raymond. Sccndla robusta Raymond. Stylarsea parva (Billings). Zittdella varians (Billings). CHAZYAN (STONES KIVEB) OP APPALACHIAN AND MISSISSIPPI VALLEYS. (Murfreesboro=M.; Pierce=P.; Ridley=R.; Leb- anon^ L.; Pamelia=Pa.) Bathyurus acutus Raymond. (Pa.) Batostoma libana (Safford). (L.) Ceraurinus scofiddi (Clarke). (L.) Chasmatopora sublaxa (Ulrich). (L., P.) Cleiocrinus tessellatus (Troost). (L.) Columnaria alveolata Goldfuss. (L.) Corynotrypa delicatula (James). (P., L.) Corynotrypa tcnnesseensis Bassler. (P.) Ctenobolbina subcrassa Ulrich. (R.) Ctcnodonta gibberula Salter. (M.) Cydonema (fGyronema) prxciptum Ulrich. (M.) Cyrtocerasf stonense Safford. (M.) Cyrtodonta breviuscula Billings. (Pa.) Cyrtospira tortilis Ulrich. (M.) Dinortliis dcflecta (Conrad). Drepandla ampla Ulrich. (?R.) Dfepanella elongata Ulrich. (L. Drepandla macro, Ulrich. (L.) Eccyliomphalus contiguus Ulrich. Ectomaria prisca extenuata Ulrich. (M. Eotomaria canalifera Ulrich. (M.) Eotomaria labiosa Ulrich. (M.) Escharopora briareus (Ulrich). (L.) EscJiaropora libana (Safford). (L.) Escharopora ramosa (Ulrich). (L.) Eurychilina sequalis Ulrich. (?R.) Eurychilina granosa Ulrich. (R.) Eurychilina subradiata Ulrich. Helicotoma dedivis Ulrich. (M.) Hdicotoma subquadrata Ulrich. (M.) Helicotoma tennesseensis Ulrich and Scofield. (AT.) Hdicotoma whiteavesiana Raymond. (Pa.) Hdopora spiniformis (Ulrich). (L.) Hudsonaster narrawayi (Hudson). (L.) Isochilinaf clavigera (Jones). (Pa.) Isochilina clavigera clavifracta (Jones). (Pa.) Leperditdla nequilatera (Ulrich). (R.) Leperditdla inflata (Ulrich). (R.) Leperditdlaf labellosa (Jones). (Pa.) Leperditella mundula (Ulrich). (R.) Leperditia amygdalina Jones. (Pa.) Leperditia balthica primaeva Jones. (Pa.) Leperditia fabulitcs (Conrad). Liospira abrupta Ulrich and Scofield. (M.) Liospira americana (Billings). Liospira convexa Ulrich and Scofleld. (R.) Liospira dccipicns Ulrich. (M.) Liospira docens (Billings). (Pa.) Liospira progne (Billings). L iospira su bconca va Ulrich. ( M.) Lophospira bicincta (Hall). Lophospira centralis Ulrirh. (M.) Lophospira proccra Ulrich. (M.) Lophospira(?) trochoncm aides Ulrich. (M.) Madurites magnus Lesueur. Maduritr.s nitidus (Ulrich and Scofield ). (M.) Mitoclema cinctosum Ulrich. (R.) Modiolopsis(f) consimiUs Ulrich. (M.) Nanno Itingstoncnsis Whiteaves. (Pa.) Nicholsonella pulchra Ulrich. (P.) Ophiletina sublaxa depressa Ulrich and Scofield. (M.) Orbignydla sublamellosa Ulrich and Bassler. (P.) Orthis tricenaria Conrad. Palxocrinus sulcatus Safford. (P.) Phragmolitcs gran.) Gomphoceras powersi J. F. James. (P.) • Gonioceras anceps Hall. (P. W.) Gonioccras occidentalis Hall. (P.) Gyroceras duplicostatum Whitfield. (P.) Gyronema duplicatum Ukich and Scofield. (P.) Gyronema liratum Ulrich and Scofield. (D.) Gyronema pulchellum Ulrich and Scofield. (D.) Gyronema semicarinatum (Salter). (L.> Hallopora ampla (Ulrich). (D.) Hallopora angularis (Ulrich). (D.) Hallopora dumalis (Ulrich). (D.) Hallopora incontroversa (Ulrich). (D.) Hallopora muUitabulata (Ukich). (D.) Hallopora pulchella (Ulrich). (D.) Hallopora pulchella persimilis (Ukich). (D.) Halloporina crenulata (Ukich). (D.) Halloporina parva (Ukich and Bassler). (D.) Hebertella (Glyptorthis) bellarugosa (Conrad). (P. D.) Helicotoma granosa Ukich. (L.) Helicotoma missouriensis Branson. (A.) Helicotoma muricata (Salter). (Le.) Helicotoma planulata Salter. (Le., L., D.) Helicotoma planulata robusta Ukich and Scofield. (P.) Helicotoma planulatoides Ulrich. (L.) Helicotoma? spinosa Salter. (Le.) Helicotoma umbilicata (Ulrich and Scofield). (P.) Helicotoma verticalis Ukich. (L.) Helopora alternata Ulrich. (D.) Helopora divaricata Ukich. (D.) Hemiphragma irrasum (Ukich). (D.) Hemiphragma ottawaense (Foord). (L. D.) Hindia inxqualis Ulrich and Everett. (P. D.) Hindia parva Ukich. (D. A.) Holopea ampla (Ulrich and Scofield). (P.) Holopea concinnula (Ulrich and Scofield). (P.) Holopea insignis Ulrich and Scofield. (D. P. A.) Holopea nereis Billings. (Le.) Holopea pyrene Billings. (Le.) Holopea rotunda Ulrich. (P.) Holopea similis (Ulrich and Scofield). (D.) Homotrypa? arbuscula Ulrich. (P. L.) Homotrypa exilis Ulrich. (D.) Homotrypa? intercalaris Ukich. (D.) Homotrypa minnesotensis Ukich. (D.) Homotrypa separata Ulrich. (D.) Homotrypa subramosa Ulrich. (D.) Homotrypa tuberculata Ulrich. (D.) Homotrypella instabilis Ukich. (D.) Homotrypella multiporata Ukich. (D.) Homotrypella ovata Ukich. (D.) Hormotoma fasciata Branson. (A.) Hormotoma gracilis (Hall). (D.. L., P.) Hormotoma gracilis angustata (Hall). (L., P.) Hormotoma gracilis goodhuensis Ukich and Scofield. (D.) Hormotoma gracilis sublaxa (Ulrich and Scofield). (A.) Hormotoma latiangularia Branson. (A.) Jlormotoma procris (Billings). (Le.) Hormotoma salteri canadensis Ulrich. (Le.) Hormotoma salteri tennesseensis Ulrich. (L.) Hormotoma subangulata (Ulrich and Scofield). (D.) Hudsonaster narrawayi (Hudson). (!>., L.) Hyolithes baconi Whitfield. (P.) Illsenus angusticollis Billings. (L., Le.) Illxnus conradi Billings. (Le.) Illsenus latiaxiatus Raymond and Narraway. (L.) Isochilina armata (Walcott). (L.) Isoteloides homalonotoides (Walcott). (L., P.) Jovellania murrayi (Billings). (L.) Klccdenia initialis (Ulrich). (D.) 9 Krausella arcuata Ulrich. (L., D.) Krausella inxqualis Ulrich. ( P . , D . ) Leperditella canalis Ukich. (P.) Leperditella germana (Ulrich). (P.) Leperditella macra Ulrich. (D.) Leperditella persimilis Ukich. (D.) Leperditella sulcata (Ulrich). (L.) Leperditella sulcata ventricosa Ukich. (L.) Leperditella tumida (Ulrich). (L.) Leperditia canadensis pauquettiana Jones. (Le.) Leperditia fabulites (Conrad). (P., L., J3.) Leptxna charlottse Winchell and Schuchert. (D.) Leptotrypa hexagonalis Ulrich. (P.) Lichenaria typa Winchell and Schuchert. (D., A.) LicropJiycus hiltonense Billings. Lingula clathrata Winchell and Schuchert. (D.) Lingula clochensis Foerste. (L.) Lingula elderi Whitfield. (P., D.) Lingula eva Billings. (D.) Lingula huronensis Billings. Lingula Idngstonensis Billings. Lingula morsel (N. H. Winchell). (P.) Lingula perryi Billings. Lindstromia wliiteavesi Foerste. (Le.) Liospira americana Billings. (P., L., I).) Liospira angulata Ukich. (L., Le.) Liospira angustata Ukich and Scofield. (P.) Liospira eugenia (Billings). Liospira larvata (Salter). (Le.) Liospira modesta Ukich. (D.) Liospira(f) mundula Ulrich. (Le.) Liospira obtusa Ukich and Scofield. (P.) Liospira progne (Billings). (L.) Liospira vitruvia (Billings). (P., L., D.) Lophospira? arachne (Billings). (Le.) Lophospira Mcincta Hall. (P., D., L.) Lophospira concinnula Ukich and Scofield. (D.) Lophospira conradana Ulrich and Scofield. (P.) Lophospira helicteres (Salter). (Le.) Lophospira helicteres wisconsinensis (Ulrich and Sco- field). (P.) Lophospira(f) notabilis Ulrich. (L., Le.) Lophospira obliqua Ulrich. (D., L., A., Le.) Lophospira oweni Ulrich and Scofield. (D., L., A., Le.) Lophospira peracuta Ulrich and Scofield. (D.) Lophospira perangulata (Hall). (J3., L., P., A.) Lophospira pulchella Ukich and Scofield. (D.) Lophospira serrulata (Salter). (P., L., Le.) Lophospira spironema Ukich and Scofield. (D.) Lophospira tricarinata (Hall). (P.) Lophospira ventricosa (Hall). Loxoceras allumettense (Billings). (Le.) Loxonema? murrayana Salter. (L«.) 1456 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Lyrodesma acuminatum Ulrich. (D.) Lyrodesma acuminatum intermedium Ulrich. (D.) Madurites bigsbyi (Hall). (P.) Madurites bigsbyi dixonensis (Ulrich). (P.) Madurites depressus (Ulrich and Scofield). (P.) Madurites logani (Salter). (Le.) Madurites nitidus (Ulrich and Scofield). (P.) Macrocyprisf siliqua (Jones). (Le.) Macronotella scofieldi Ulrich. (P., L.) Mxlonoceras falx (Billings). (Le.) Mxlonoceras neleus (Hall). (P.) Msdonoceras prxmaturum (Billings). (Le.) Mastigograpttis? flaccidus Ruedemann. (L.) Matheria rugosa Ulrich. (D.) Mesotrypa infida (Ulrich). (D.) Mesotrypaf spinosa Ulrich. (D.) Modiolodon(f) gibbus Ulrich. (D.) Modiolodon subrhomboideus Branson. (A.) Modiolopsis adrastia Billings. Modiolopsis arguta Ulrich. (D.) Modiolopsis chatfieldensis Ulrich. (D.) Modiolopsis concava Ukich. (D.) Modiolopsis expansa Branson. (A.) Modiolopsis nais Billings. (Le.) Modiolopsis obsoleta Ulrich. (D.) Modiolopsis obtusa (Hall). (L.) Modiolopsis parviuscula Billings. Modiolopsis similis Ulrich. (D.) Monotrypa magna Ulrich. (P.) Monticulipora incompta Ukich. (D.) Moorea angularis Ulrich. (D.) Mooreaf perplexa Ulrich. (D.) Moorea punctata Ulrich. (D.) Murchisoniaf varicosa Hall. (L.) Nanno aulema Clarke. (D.) Nicholsonella laminata Ukich. (D.) NicJiolsonella ponderosa Ulrich. (P.) Nilcus vigilans (Meek and Worthen). (P., D.) Omospira alexandra (Billings). (Le.) Omospira laticincta Ukich. (L.) Onchometopus simplex Raymond. (P.) Oncoceras abruptum Hall. (P.) Oncoceras alceus Hall. (P.) Oncoceras brevicurvatum Whitfield. (P.) Oncoceras carvcri Clarke. (P.) Oncoceras huronense (Billings). Oncoceras lycus (Hall). (P.) Oncoceras pandion Hall. (P.) Oncoceras plebeium Hall. (P.) Ophiletina angularis Ukich and Scofield. (D.) Ophiletina sublaxa Ukich and Scofield. (P.) Orbignyclla wethcrbyi (Ulrich). (L., P.) Orthis tricenaria Conrad. (P., D., L., A.) Orthoceras amplicameratum Hall. (P.) Orthoceras decrescens Billings. (Le.) OrlJioceras drummondi Billings. Orlhoceras fusiforme Hall. Orlhocerasjunceum Hall. (D., P.) Orthoceras menelaus Billings. Orthoceras multicameratum Emmons. (D.) Orthoceras ottawaense Billings. (Le.) Orthoceras perparvum Billings. Orthoceras pertinax Billings. (Le.) Orthoceras rectkameratum Hall. (L.) Orthoceras tencrum Billings. (Le.) Orthoceras tenuistriatum (Hall). (P.) Orthoceras tyronense Foerste. (L.) Orthodesma antiquum Whiteaves. (L.) Orthodesma minnesotensc Ulrich. (D.) Oxydiscus argo (Billings). (Le.) Oxydiscus disculus Billings. Pachydictya everetti Ulrich. (P.) Pachydictya fimbriata Ukich. (D.) Pachydictya foliata Ulrich. (D.) Pachydictya occidentalis Ukich. (D.) •Palxacmza humilis Ulrich and Scofield. (D., P.) Parallelodus obliquus Branson. (A.) Petrocrania ulrichi (Hall and Clarke). (D.) Phragmolites fimbriatus (Ulrich and Scofield). (P.) D., A.) Phragmolitcs obliquus (Ukich and Scofield). (D.) Phragmolites similis (Ulrich). (L., Le.) Phragmolites triangularis (Ulrich and Scofield). (P.) Phyllod ictya frondosa Ukich. (L.) Phyllodictya varia Ulrich. (D.) Phytopsis tubulosa (Hall). (L.) Pianodema subxquata (Conrad). (L., D., P., A.) Pianodema subxquata circularis (N. H. Winchell). (D.) Pianodema subxquata conradi (N. H. Winchell). (P.) Pianodema subxquata gibbosa (Billings). (D.) Pianodema subxquata perveta (Conrad). (P., D.) Platyceras depressum Ukich and Scofield. (D.) Platyceras(f) wisconsinensis Ukich and Scofield. (P) Plectambonites sericeusf Sowerby. Plectoceras halli (Foord). „ Plectoceras? undatum (Conrad). (W.) Plectoceras undatum occidental (Hall). (P.) Plethocardia? cordiformis (Billings). Plethocardia umbonata Ukich. (D., L., Le.) Pleurotomaria mohawkensis Miller. (L.) Plcurotomariaf nucleolata Hall. (L.) Pleurotomariaf obsoleta Hall. (L.) Pleurotomaria quadricarinata Hall. (L.) Podolilhus dendrocrinus Sardeson. (D.) Podolithus eucheirocrinus Sardeson. (D.) Podolithus schizocrinus Sardeson. (D.) Porocrinus pentagonius Meek and Worthen. (P.) Prasopora conoidea Ukich. (D.) Prasopora contigua, Ukich. (D.) Prasopora grandis (Ukich). (D.) Prasopora lenticularis Ukich. (D.) Prasopora sirnulatrix Ukich. (D.) Primitia celata Ulrich. (D.) Primitia duplicata Ulrich. (D.) Primitia mammata Ulrich. (D.) Primitia minutissima Ukich. (D.) Primitia sanctipauli Ukich. (D.) Primitiella constricta Ukich. (L., P.) Primitiella fillmorensis Ukich. (D.) Primitiella limbata Ukich. (D.) Primitiella simulans Ukich. (D.) Priscochiton canadensis (Billings). (Le.) Proboscina tumulosa Ulrich. (D.) Promopalxaster? wilsoni (Raymond). (L.) Pterotheca attenuata (Hall). (L., P., D.) Pterotheca expansa (Emmons). (L., P., A.) Pterygometopus callicephalus Hall. (P., D.) Pterygometopus intermedius (Walcott). (P., D., A.) Pterygometopus lincolnensis Branson. (A.) Pterygometopus schmidti Clarke. (P.) Rafinesquina alternataf Conrad. FAUNAL LISTS. 1457 Raftnesquina minnesotensis (N. H. WInchell). (P.) Rafinesquina minnesotensis inquassa (Sardeson). (D.) Raphistoma apertum Salter. (Le.) Raphistoma peracutum Ulrich and Scofield. (D.) Raphistomina lapicida (Salter). (Le.) Rauffella filosa Ulrich. (D.) Rauffella palmipes Ulrich. (D.) Receptaculites occidental Salter. (Le.) Receptaculites oweni Hall. RMnidictya exigua Ulrich. (D.) RMnidictya fidelis (Ulrich). (D.) Rhinidictya grandis Ulrich. (P.) RMndictya mutabilis (Ulrich). (D.) RMnidictya mutabilis major (Ulrich). (D.) Rhinidictya mutabilis scnilis Ulrich. (D.) RMnidictya nicholsoni Ulrich. (L.) RMnidictya paupera Ulrich. (D.) RMnidictya pediculata Ulrich. (P.) RMnidictya trentonensis (Ulrich). (P., D.) Rhynchotrema ainsliei N. H. Winchell. (D.) Rhynchotrema minnesotense (Sardeson). (D., P .) Rhynchotrema ottawaense (Billings). (Le.) Romingeria trentonensis Weller (New Jersey). Sabellarites trentonensis Dawson. Salpingostoma buelli (Whitfield). (P.) Scenella affinis Ulrich and Scofield. (D.) Scenella beloitensis Ulrich and Scofield. (P.) Scenella compressa Ulrich and Scofield. (P.) Scenella magnified Ulrich and Scofield. (P.) Scenella obtusa (Sardeson). (D.) Scenella superba (Billings). (Le., P.) Scenidium anthonense Sardeson. (P., D.) Schizocrania filosa Hall. (D.) Schmidtella brevis Ulrich. (D.) Schmidtella crassimarginata Ulrich. (P.) Schmidtella incompta Ulrich. (D.) Schmidtella subrotunda Ulrich. (D.) Schmidtella umbonata Ulrich. (D.) Scoficldia bilateralis (Ulrich). (D.) Serpulites dissolutus Billings. (P.) Sinuites cancellatus Hall. (D., P., L.) Sinuites pervolutus (Ulrich and Scofield). (D.) Sinuites reclangularis (Ulrich and Scofield). (P.) Siphonotreta(t) minnesotensis Hall and Clarke. (P.) Solenopora compacta Billings. (L., D.) Sowteria canadensis (Raymond). (L.) Spatiopora labeculosa Ulrich. (D.) Sphenolium parallelum Ulrich. (P.) Spyroceras anellus ( Conrad ) . ( D . ) Spyroceras bilineatum (Hall). (L., P., D., A.) Stellipora antheloidea Hall. (D.) Stenotheca exserta (Sardeson). (P.) Stictopora? labyrinthica Hall. (L.) Stictopora f ramosa Hall. (L.) Stictoporclla angularis Ulrich. (D.) Stictiporella angularis intermedia Ulrich. (D.) Stictiporella cribrosa Ulrich. (D.) Stictoporella dumosa Ulrich. (D.) Stictoporella frondifera Ulrich. (D.) Stictoporella rigida Ulrich. (D.) Stigmatella daviformis (Ulrich). (D.) Straparollina asperostriata (Billings). (Le.) Straparollina circe (Billings). (Le.) Straparollina eurydice (Billings). (Le.) Streptelasma (Petraia) apertum (Billings). (Le.) Streptelasma breve Winchell and Schuchert. (P.) Streptelasma(f) parasiticum Ulrich. (D., P.) Streptelasma (Petraia) profundum (Conrad). (L., P., D., Le.) Streptosolen obconicus Ulrich and Everett. (P.) Stromatocerium canadense Nicholson and Murie. (L.) Stromatocerium rugosum Hall. Stromatotrypa ovata Ulrich. (D.) Strophomena incurvata (Shepard). (L., P., D., A.) Strophomena Ixvis Emmons. Strophomena septata Winchell and Schuchert. (D.) Strophomena trentonensis Winchell and Schuchert (D.) Strophomena winchelli Hall and Clarke. (P.) Strophostylus textilis (Ulrich and Scofield). (D., A.) Strotospongia maculosa Ulrich and Everett. (P.) Subulites beloitensis Ulrich and Scofield. (P.) Subulites canadensis Ulrich. Subulites conradi (Ulrich and Scofield). (P.) Subulites dixonensis Ulrich and Scofield. (P.) Subulites nanus Ulrich. (L.) Subulites parvus Ulrich. (L.) Subulites regularis Ulrich and Scofield. (L., P.) Technophorus bellistriatus Branson. (A.) Technophorus divaricatus Ulrich. (D.) Technophorus extenuatus Ulrich. (D.) Technophorus filistriatus Ulrich. (D.) Technophorus subacutus Ulrich. (P.) Tetradella quadrilirata (Hall and Whitfield). Tetradium cellulosum (Hall). (L.) Tetradium columnare Hall. (L.) Tetradium halysitoides Raymond. (L.) Tctranota bidorsata (Hall). Telranota bidorsata minor (Ulrich and Scofield) (D., Le.) Tetranota macra Ulrich and Scofield. (P.) Tetranota obsoleta Ulrich and Scofield. (D., P.) Tetranota sexcarinata Ulrich and Scofield. (P.) Tetranota wisconsinensis (Whitfield). (P.) Thaleops ovata Conrad. (P.) Trematis huronensis Billings. (P., D.) Trematopora primigenia Ulrich. (D.) Trematopora primigenia ornata Ulrich. (D.) Trematopora primigenia spinosa Ulrich. (D.) Trigonodictya conciliatrix (Ulrich). (D.) Tripteroceras hastatum (Billings). (Le.) Tripteroceras oweni (Clarke). (P.) Tripteroceras planoconvexum (Hall). (D., P.) Tripteroceras planodorsatum (Whitfield). (P.) Trochonema beachi Whitfield. (P., D.) Urochonema beloitense Whitfield. (P.) Trochonema ( Eunema) cerithioidcs (Salter). (Le.) Trochonema (Eunema) clivosa (Sardeson). (D.) Trochonema (Eunema) erigone (Billings). Trochonema niota (Hall). (P., D.) Trochonema retrorsum (Ulrich and Scofield). (D.) Trochonema rugosum Ulrich and Scofield. (P.) Trochonema (Eunema) strigillatum (Salter). (Le.) Trochonema umbilicatum (Hall). (P.) Trochonema umbilicatum canadense Ulrich. (Le.) Trochonema vagrans Ulrich and Scofield. (P.) Tryblidium erato (Billings). (Le.) Tryblidium modestum (Ulrich and Scofield). (D.) Urasterella ulrichi Schuchert. (P.) 1458 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Vaginoceras longissimum (Hall). (W.) Vaginoceras multitubulatum (Hall). (W.) Vanuxemia crassa Ulrich. (D.) Vanuxemia decipiens Ulrich. (P.) Vanuxemia dixonensis Meek and Worthen. (P.) Vanuxemia dixonensis insueta Ulrich. (P.) Vanuxemia inconstans Billings. (Le.) Vanuxemia media Ulrich. (P.) Vanuxemia niota (Hall). (P., D.) Vanuxemia obtusifrons (Ulrich). (P.) Vanuxemia parvula Whiteaves. (L.) Vanuxemia rectirostris (Hall). (P.) Vanuxemia rotundata (Hall). (P.) Vanuxemia sardesoni (Ulrich). (P.) Vanuxemia suberecta Ulrich. (D.) Vanuxemia subrotunda Ulrich. (D.) Vanuxemia terminalis (Ulrich). (P.) Vanuxemia umbonata Ulrich. (D., Le.) Vinella repens Ulrich. (D.) Whiteavesia modioliformis (Meek and Worthen). (P.) Whiteavesia superba (Hall). (P.) Whitella compressa Ulrich. (D.) Whitella concentrka Ulrich. (D.) Whitella megambona (Whitfield). (P.) Whitella rugatina Ulrich. (D.) Whitella scofleldi Ulrich. (D .) Zittelella inosculata UMch and Everett. (P.) Zittelella lobata (Ulrich and Everett). (P.) Zittelella trentonensis (Worthen). (P.) Zittelella typicalis Ulrich and Everett. (P.) Zittelella typicalis pistilliformis Ulrich and Everett. (P.) Zittelella typicalis subrotunda Ulrich and Everett. (P.) Zittelella typicalis turbinata Ulrich and Everett. (P.) Zitteloceras billingsi (Salter). (Le., P., A.) Zitteloceras hallianum (D'Orbigny). (D.) Zygospira nicolleti Winchell and Schuchert. (P., A.) Zygospira recurvirostris (Hall). (P., L., D., A.) BLACK RIVER OR RICHMOND (MANITOBA). (This list includes the species from the Cat Head and associated formations in Manitoba. Although re- corded as of Mohawkian age by Whiteaves, it is probable that many of them were derived from Richmond strata.) Actinoceras (Paractinoceras) canadense (Whiteaves). Actinoceras richardsoni Stokes. Actinoceras richardsoni magnum Parks. • Aparchites granilabiatus (Ulrich). A parchites parvulus Jones. Aparchites whiteavesi Jones. A scoceras boreale Parks. Ascoceras costulatum Whiteaves. Aulocopella winnipegensis Rauff. Chaetetes perantiquus Whiteaves. Chondrites (Buthotrephis) cuneatus Whiteaves. Chondrites cupressinus Whiteaves. Chondrites gracillimus Whiteaves. Chondrites (Buthotrephis) patulus Whiteaves. Clinopistha antiqua Whiteaves. Corynotrypa canadensis Whiteaves. Cyrtoceras laticurvatum Whiteaves. Cyrtoceras manitobense Whiteaves. Dictyonema canadense (Whiteaves). Discoceras canadense Whiteaves. Ectomaria pagoda occidcntalis (Whiteaves). Edmondia? vetusta Whiteaves. Eurystomites plicatus Whiteaves. Halysites catenularia (Linnseus). Halysites catenularia gracilis (Hall). Hormotoma winnipegensis Whiteaves. Jovellania semiplanata (Whiteaves). Loxoncma winnipegense Whiteaves. Maclurina manitobensis Whiteaves. Maclurina manitobensis acuta Parks. Maclurites subovatus (Parks). Mesotrypa selkirkensis Whiteaves. Modiolopsis angustifrons Whiteaves. Narthecoceras crassiphonatum (Whiteaves). Narthecoceras simpsoni (Billings). Oncoceras magnum Whiteaves. Oncoceras magnum intermedium Whiteaves. Oncoceras whiteavesi Miller. Orthoceras kpidodendroides Parks. Orthoceras selkirkense Whiteaves. Orthoceras winnipegense Whiteaves. Orthodesma affine Whiteaves. Palxopteria parvula Whiteaves. Pleurotomaria (?) margaritoides Whiteaves. Pleurotomaria stokesiana Whiteaves. Poterioceras apertum Whiteaves. Poterioceras gracile Whiteaves. Poterioceras nobile Whiteaves. Poterioceras tyrclli Parks. Rhinidictya obliqua (Ulrich). Rhytimya recta Whiteaves. Serpulites dissolutus (Billings). Solenopora compacta BiUings. Thamnograptus affinis Whiteaves. Trichospongia hystrix Whiteaves. Tripteroceras Iambi (Whiteaves). Trochoceras mccharlcsi Whiteaves. Trochonema cccentricum Ulrich. POGONIP OF NEVADA. (Lower = L.; upper = U.) Acrotreta? cancellata Walcott. (L.) Acrotreta curvata Walcott. (L.) Acrotreta idahoensis Walcott. (L.) Acrotreta idahoensis alia Walcott. (L.) Agnostus communis (Hall and Whitfield). (L.?) Agnostus tumidosus (Hall and Whitfield). (L.?) Apatokephalus finalis (Walcott). (U.) A rchinacella phillipsi (Walcott). (U.) Arethusina amcricana Walcott. (L.?) Asaphus? caribouensis Walcott. (U.) Asaphus? curiosus Billings. (U.) Bathyurus pogonipensis Hall and Whitfield. (L.) Bathyurus(?) simillimus Walcott. (U.) Calvinella tenuisculpta Walcott. (L.) Coleoprion minuta Walcolt. (U.) Conokephalina incxpectans (Walcott). (L.) Ctenodonta contracta Salter. (U.) Ctenodonta hamburgcnsis (Walcott). (U.) Cyrtolites sinuatus Hall and Whitfield. (U.) Dalmanclla hamburgensis (Walcott). (U.) Dalmanella melita (Hall and Whitfield). (L.) ' Dolichometopus mccoj/i (Walcott). (U.) Elkania ambigua (Walcott). (L.) FAUNAL LISTS. 1459 Eotomaria supradngulata (Billings). (U.) Fusispira compacta Hall and Whitflcld. (U.) Haploconus brevimarginatus (Walcott). (U.) Hebertella lonensis ( Walcott) . ( U. ) Holasaphus congeneris (Walcott). (U.) Hyolithes vanuxemi Walcott. (L.) Hystricurus tuberculatus (Walcott). (U.) Leper ditia bivia White. (U.) Lingulella manticula (White). (L.) Lingulella pogonipensis Walcott. (L.) Linnarssonella minuta Hall and Whitfield. (L.) Lophospira bidncta (Hall). (U.) Maclurites annulatus (Walcott). (U.) Maclurites carinatus (Walcott). (U.) Maclurites minimus (Hall and Whitfield). Maclurites subannulatus (Walcott). (U.) Mcgalaspis belemnurus White. (U.) Modiolopsis occidens Walcott. (U.) Modiolopsis pogonipensis Walcott. (U.) jlus anceps Walcott. (L.) lus discoideus (Hall and Whitfield). (L.) jlus ( Westonia) iphis Walcott. (L.) lus maera (Hall and Whitfield). (L.) Orthis tricenaria Conrad. (U.) Parastrophia(f) obscura (Hall and Whitfield). Pianodema pogonipensis (Hall and Whitfield). (U.) Pianodcma subequata perveta (Conrad). (U.) Pleurotomaria lonensis Walcott. (U.) Pliomerops nevadensis (Walcott). (U.) Ptychoparia affinis Walcott. (L.?) Ptychoparia? annectans Walcott. (L.) Ptychoparia granulosus (Hall and Whitfield). (L.?) Ptychoparia Jiaguei (Hall and Whitfield). (L.?) Ptychoparia maculosa (Hall and Whitfield). (L.?) Ptychoparia oweni (Hall and Whitfield). (L.?) Raphistoma acutum Hall and Whitfield. Receptaculites ellipticus Walcott. (U.) Receptaculites elongatus Walcott. (U.) Receptaculites mammillaris Walcott. (U.) Scenella analoga (Walcott). (U.) Schizambon typicalis Walcott. (L.) Strophomena(?) minor (Walcott). (U.) Symphysurus eureltcnsis (Walcott). (L.) Symphysurus(?) goldfussi Walcott. (U.) Syntwphia nundina Walcott. (L.) Tetranota bidorsata (Hall). (U.) TKENTON OF CANADA, NEW YORK, ETC., AND OHIO VALLEY. (Either the formation or locality is denoted in parentheses after each species.) Actinoceras(f) cuvieri (Troost) (Bigby.) Actinoceras distans (Hall). (N. Y.) Actinoceras (Deiroceras) python (Billings). (Can- ada.) Agelacrinitcs vctustus (Foerste). (Cynthiana.) Allodesma subcllipitum (Ukich). (Canajoharie.) Allonychia flanagancnsis Foerste. (Cynthiana.) Ambonychia amygdalina Hall. (N. Y.) Ambonychia bellistriala Hall. (N. Y.) Ambonychia orbicularis (Emmons). (N. Y.) Amphilichas trentonensis (Conrad). (Pa., N. Y., etc.) Amplexopora cylindracea Ulrich and Bassler. (Ca- theys.) A parchites minutissimus trentonensis Ukich. ( Ky . , Tenn., etc.) Aparchilcs mundulus Jones. (Quebec.) Archinacella simulatrix Ulrich and Scofield. (Her- mitage.) Archinacella trentonensis (Billings). (Canada.) Aristozoe canadensis Whitfield. (Ontario.) Arthostylus tennis (James). (Upper Trenton- Ky.) Arthrodema billingsi Ulrich. (Ontario.) Arthroclema pukhellum Billings. (Ontario.) Arthropora bifurcata Ulrich. (Ky., Term., etc.) Arthropora kentuckiensis (James). (Upper Tren- ton-Ky.) Asaphus micropleurus Green. (N. Y.) Aspidopora calycula (James). (Upper Trenton- Ky.) Astylospongia parvula Billings. (Ontario.) Batostoma superbum (Foord). (Quebec.) Bellcrophon bilineatus Ulrich. (Flanagan.) Sellephoron clausus Ukich. (Catheys and Perry- ville.) Sellerophon dedivis Conrad. (Pa.) Bellerophon platystoma (Meek and Worthen). (Galena.) • Bellerophon profundus Emmons. (N. Y.) Bellerophon rogersensis Foerste. (Upper Trenton- Ky.) Bellerophon troosti D'Orbigny. (Catheys, Flana- gan, Perry ville.) Bellerophon troosti burginensis Ulrich. (Flanagan.) Beyrichia bella Walcott. (N. Y.) Brachiospongia digitata (Owen). (Bigby.) Bucania frankfortensis Ulrich. (Cynthiana.) Bucania intexta Hall. (N. Y.) Bucania lindsleyi (Safford). (Catheys.) Bucania micronema Ukich. (Flanagan.) Bucania nana Ulrich. (Flanagan.) Bucania nashvillensis Ukich. (Catheys.) Bucania peracuta Ukich. (Catheys.) Bucania punctifrons (Einmons). (N. Y., Canada, Tenn., etc.) Bucania rugatina Ukich. (Flanagan.) Bucania singularis Ukich. (Catheys.) Bucania subangulata Ukich. (Flanagan.) Bucania sublata Ulrich and Scofield. (Flanagan.) Bucanopsis carinifera Ulrich. (Flanagan.) Bumastus billingsi Raymond and Narraway (Quebec.) Bumastus elongatus Weller. (N. J.) Bumastus transversalis Weller. (N. J.) Buthotrephis cxspitosa Hall. (N. Y.) Buthotrephis gracilis Hall. (N. Y.) Buthotrephis succulens Hall. (N. Y.) Buthotrephis tennis (Hall). (N. Y.) Byssonychia(?) byrnesi Ulrich. (Upper Trenton- Ky.) Byssonychia vera Ukich. (Upper Trenton-Ky.) Bythocypris cydindrica (Hall). (Ky., Tenn., etc.) Calymene abbreviata Foerste. (Cynthiana.) Calymene platycephala Foerste. (Hermitage.) Camarella ambigua (Hall). (N. Y.) Cameroceras approximate (Hall). (N. Y.) Cameroceras duplicatum (Hall). (N. Y.) Cameroceras lativentrum (Hall). (N. Y.) Cameroceras trentonensis Conrad. (N. Y.) Carinaropsis carinata Hall. (N. Y.) 1460 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. Carinaropsis cunulae (Hall). (Flanagan, Catheys.) Carinaropsis cyrribula (Hall). (Catheys.) Carinaropsis explanata Ulrich. (Upper Trenton- Ky.) Ceratocephala horani (Billings). (Canada.) Ceratopsis cbambersi (Miller). (Minn., etc.) Ceratopsis intermedia Ulrich. (Ky.) Ceratopsis? quadrifida (Jones). (Quebec.) Ccraurinus confluens Barton. (Picton.) Ceraurus dentatus Raymond and Barton. (N. Y., Ontario.) Ceraurus pleurexanthemus Green. (N. Y., etc.) Clisetetesff rugosus Hall (N. Y.) Chasmatopora dawsoni (Ulrich). (Canada, Vt.) Chasmatopora fenestrata (Hall). (N. Y., N. J., Canada.) CJiasmatopora reticulata (Hall). (N. Y.) Chaunograptus gemmatus Ruedemann. (Canajo- harie.) Cheirocrinus anatiformis (Hall). (N. Y.) Cheirocrinus walcotti (Jaekel). (N. Y.) ClatTirospira conica Ulrich and Scofleld. (Ky., etc.) Cleiocrinus grandis Billings. (Ontario.) Cleiocrinus magnificus Billings. (Ontario.) Clidopnorus neglectus Hall. (N. J., Mo.) Climacograptus caudatus Lap worth. (Magog.) Climacograptus caudatus laticaulis Gurley.( Ma- gog.) Climacograptus "kamptothcca Gurley. (Magog.) Climacograptus oligotlieca Gurley. (Magog.) Climacograptus putillus (Hall). (Canada, N. Y., etc.) Climacograptus spiniferus (Ruedemann). (Canajo- harie.) Climacograptus typicalis Hall. (N. Y., Canada, Ohio, Minn.) ClionycMa subundata (Ulrich). (Upper Trenton- Ky.) Clionychia undata (Emmons). (N. Y.) Clitambonites multistriata Foerste. (Perryville.) Clitambonites rogersensis (Foerste). (Upper Tren- ton-Ky.) Colpomya constricta Ulrich. (Perryville.) Colpomya faba Emmons. (N. J., N. Y.) Columnaria alveolata Goldfuss. (N. Y., Ky., etc.) Columnaria alveolata interventa Foerste. (Cynthi- ana.) Columnaria alveolata minima Foerste. (Cynthiana.) Columnaria nalli Nicholson. (Canada, N. Y., Ky., etc.) Conchopeltis alternatd Walcott. (N. Y.) Conolichas cornutus (Clarke). (N. Y., Canada.) Conotreta rusti Walcott. (N. Y., Ky.) Constellaria emaciata (Ulrich and Bassler). (Cyn- thiana, Bigby, Perryville.) Constellaria fischcri Ulrich. (Cynthiana, Catheys.) Constellaria teres Ulrich and Bassler. (Catheys, Cynthiana, Bigby.) Conularia gattingeri Safford. (Tenn.) Conularia gracilis Hall. (N. Y.) Conularia granulata Hall. (N. Y.) Conularia indentata Conrad. (111.) Conularia papillata Hall. (N. Y.) Conularia quadrata Walcott. (N. Y.) Conularia trentonensis Hall. (N. Y., Canada, etc.) Conularia trentonenKis rogersensis Foerste. (Upper Trenton-Ky.) Cornulites flexuosus (Hall). (N. Y.) Corydocephalus tuberculatus (Weller). (N. J.) Corynotrypa ddicatula (James). (N. Y., Ky., etc.) Corynotrypa inflata (Hall). (N. Y., Ky., etc.) Cremacrinus barrandei (Walcott). (N. Y.) Cremacrinus billingsianus (Ringueberg). (Ontario, fCurdsville.) Cremacrinus furcillatus (Billings). (Ontario, ?Curdsville.) Crepipora spatiosa Uh-ich. (Cynthiana.) Crcpipora venusta (Ulrich). (Upper Trenton-Ky.) Cryptolithus tessellatus (Greene). (N. Y., Canada, etc.) Cryptozoon boreale Dawson. (Quebec.) Ctenodonta alta (Hall). (Galena.) Ctenodonta donaciformis (Hall). (N. Y.) Ctenodonta dubia (Hall). (N. Y.) Ctenodonta gibbosa (Hall). (N. Y.) Ctenodonta hartsvillensis Safford. (Flanagan, Catheys.) Ctenodonta levata (Hall). (N. Y., N. J., Pa., Ky.) Ctenodonta nasuta (Hall). (N. Y.) Ctenodonta obliqua (Hall). (Ky., Tenn., etc.) Ctenodonta pulchella (Hall). (N. Y.) Ctenodonta rctrorsa Ulrich. (Hermitage.) Ctenodonta sanguinolaroidea (Hall). (N. Y.) Ctenodonta socialis Ulrich. (Hermitage.) Cuneamya acutifrons Ulrich. (Upper Trenton-Ky.) Cuneamya oblonga Ulrich. (Galena.) Cuneamya vetusta (Hall). (N. Y.) Cupulocrinus heterocostalis (Hall). (N. Y.) Cyathophycus? tubulare (Ruedemann). (Canajo- harie.) Cycloceras olorus (Hall). (N. Y.) Cycloceras teretiformc (Hall). (N. Y.) Cycloconcha oblonga Foerste. (Upper Treflton-Ky.) Cyclocystoides salteri Hall. (N. Y.) Cyclonema hageri Billings. (Quebec.) Cyclonema montrealense Billings. (Canada.) Cyclonema varicosum Hall. (Catheys.) Cyclora Jioffmani Miller. (Ky., Tenn., etc.) Cyclora minuta Hall. (Ky., Tenn , etc.) Cyclora parvula Hall. (Ky., Term., etc.) Cyclospira bisulcata (Emmons). (N. Y., etc.) CylinAroc&lia minor Ulrich. (Ky.) Cyphaspis trentonensis Weller. (N. J.) Cyphotrvpa acervulosa (Ulrich). (Ky., etc.) CypJiotrypa franJcfortensis Ulrich and Bassler. (Cynthiana.) Cypridina antiqua Jones. (Ontario.) < Cyrtoceras camurum Hall. (N. Y.) Cyrtcceras carrollense Worthen. (Galena.) Cyrtoceras constrktostriatum Hall. (N. Y.) Cyrtoceras filosum (Conrad). (N. Y.) Cyrtoceras juvcnale Billings. (Quebec.) Cyrtoceras massiense Safford. (Tenn.) Cyrtoceras multicameratum Hall. (N. Y.} Cyrtoceras saffordi Miller. (Catheys.) Cyrtoceras subarcuatum D'Orbigny. (N. Y.) ('l/rtoccras trentonense (Emmons). (N. Y.) Cyrtodonta grandis intermedia Ulrich. (Catheys.) f'yrtodonta obliqua (Meek and Worthen). (Galena.) Cyrtodonta obtusa (Hall). (N. Y., Canada.) (•yrtodonta saffordi (Hall). (Catheys.) ryrtodonta subangulata (Hall). (N. Y.) Cyrtolitcs ornatus minor Ulrich and Scofleld. (N. J.) Cyrtolites parvus Ulrich. (Upper Trenton-Ky.) Cyrtolites retrorsus Ulrich and Scofield. (Ky., Tenn.) FAUNAL LISTS. 1461 Cyrtolites subplanus Ulrich. (Catheys.) Cyrtolitina nitidula Ulrich. (Upper Trenton-Ky.) Cyrtospira abbreviata (Hall). (N. Y.) Cytheropsis crenulata (Emmons). (N. Y.) Cytheropsis emmonsi (Vogdes). (N. Y.) Cytheropsis subelliptica Eramons. (N. Y.) Dalmanella bassleri Foerste. (Upper Trenton-Ky.) Dalmanella fertilis Bassler. (Hermitage.) Dalmanites bebryx Billings. (Ontario.) Dckayellafoliacea Ulrich and Bassler. (Cynthiana.) Dekayella trentonensis (Ulrich). (Wilmore.) Dendrocrinus alternatus (Hall). (N. Y.) Dendrocrinus dyeri (Meek). (Upper Trenton-Ky.) Dendrocrinus gracilis (Hall). (N. Y.) Dendrocrinus gregarius BDlings. (Ontario.) Dendrocrinus retractilis Walcott. (N. Y.) Dendrocrinus rusticus Billings. (Ontario.) Dendrocrinus similis Billings. (Ontario.) Dendrocystitesf paradoxica (Billings). (Canada.) Dendrograptus unilateralis Gurley. (Magog.) Dcrmatostoma cavernosum Parks. (Catheys.) Dicranograptus nicholsoni Hopkinson. (N. Y.) Dicranograptus nicholsoni parvulus Ruedemann. (Canajoharie.) Dinorthis (Plxsiomys) iphigenia (Billings). (On- tario.) Dinorthis pectinella (Emmons). (Hermitage.) Dinorthis (Plsesiomys) ulrichi Foerste. (Flanagan.) Diploclema trentonense Ulrich. (N. Y.) Diplograptus (Glyptograptus) amplexicaulis (Hall). Diplograptus cuglyphus pygmxus Ruedemann. (Canajoharie.) Diplograptus (Amplcxograptus) macer Ruedemann. (Canajoharie.) Diplograptus (Mesograptus) mohawlcensis Ruede- mann. (Canajoharie.) Diplograptus vesptrtinus (Ruedemann). (Canajo- harie.) Eccyliomphalus (Ortiiostoma) communis (Conrad). (N. Y.) Eccyliomphalus contiguus Ulrich. (N. J.) Eccyliomphalus trentonensis (Conrad). (N. J.; Pa., N. Y.) Eccyliopteruz ottowaensis (Billings). (Ontario.) Eccyliopterus owenanus (Meek and Worthen). (Ga- lena.) Ectenocrinus canadensis (Billings). (Canada, Ky.) Ectenocrinus grandis (Meek). (Upper Trenton-Ky.) Encrinurus trentonensis Walcott (N. J.) Encrinurus tuberculosus Collie. (Pa.) Encrinurus vigilans (Hall.) (N. Y.) Endoceras angusticamcratum Hall. (N. Y.) Endoceras annulatum Hall. (N. Y., Canada.) Endoceras arctiventrum Hall. (N. Y.) Endoceras magniventrum Hall. (N. Y.) Endoceras proteiforme Hall. (N. Y., etc.) Endoceras proteiforme elongatum Hall. (N. Y.) Endoceras proteiforme strangulatum Hall. (N. Y.) Endoceras vanuxcmi (Conrad). (N. Y.) Endodcsma gesneri (Billings). (Ontario.) Endodcsma postlatum Ulrich. (Galena.) Endodcsma trentonense Hall. (N. Y.) Eoharpes escanabise (Hall). (Mich.) Eoharpes ottowaensis (Billings). (Canada, N. Y., N.J.) Eotomaris elevata Ulrich. (Catheys.) Eridotrypa xdilis (Eichwald). (Ky., Tenn., etc.) Eridotrypa briar eus (Nicholson). (Catheys.) Eridotrypa trentonensis (Nicholson). (Canada, etc.) Escharopora ponderosa (Ulrich). (Upper Trenton- Ky.) Escharopora recta Hall. (N. Y., Canada.) Escharopora recta nodosa Hall. (N. Y.) Eurychilina jersey ensis Weller. (N. J.) Eurychilina oculifera Weller. (N. J.) Eurychilina subradiata Ulrich. (Canajoharie.) Eurydictya multipora (Hall). (Wilmore.) Eurymya subplana Ulrich. (Hermitage.) Eurypterus megalops Clarke and Ruedemann. (N. Y.) Euspirocrinus obconicus W. R. Billings. (Quebec.) Favositella laxata (Ukich). (Canada, etc.) Fusispira inflata (Meek and Worthen.) (Galena.) Fusispira subfusijormis (Hall). (Wilmore, etc.) Fusispira sukata Ulrich. (Upper Trenton-Ky.) Gerasaphes ulrichana Clarke. (Upper Trenton- Ky.) Glassia romingeri Hall and Clarke. (Mich.) Glossograptus arthracanthus Gurley. (Va.) Glossograplus quadrimucronatus Hall (Colling- wood.) Glossograptus (Orthograptus) guadrimucronatus ap- proximatus Ruederhann. (Canajoharie.) Glossograptus (Orthograptus) quadrimucronatus cor- nutus Ruedemann. (Canajoharie.) Glossograptus (Orthograptus) quadrimucronatus pos- tremus Ruedemann. (Canajoharie.) Glyptocrinus plumosus (Hall). (N. Y.) Goldius lunatus (Billings). (Canada, etc.) Goniophora carinata (Hall). (N. Y., N. J.) Gyronema percarinata (Hall). (N. Y.) Halliella sculptilis (Ulrich). (Perryville.) Hallopora muUitabulata (Ulrich). (Lower Wil- more.) Haploconus smithi (Billings). (Ontario.) Hebcrtella frarikfortensis Foerste. (Bigby, Wil- more.) Hebertella latisulcata Foerste. (Upper Trenton- Ky.) Hebertella maria parkensis Foerste. (Cynthiana, Perryville.) Hebertella (Eridorthis) nicklesi Foerste. (Upper Trenton-Ky.) Hebertella (Eridorthis) rogersensis (Foerste). (Upper Trenton-Ky.) Hebertella subjugata (Hall). Hemicystites billingsi (Chapman). (Ontario.) Hemicystites carnensis Foerste. (Upper Trenton- Ky.) Heterorthis clytie Hall. (Hermitage.) Heterotrypa foerstei Nickles. (Upper Trenton-Ky.) Heterotrypa parvulipora Ulrich and Bassler. (Catheys.) Holopea inccrta Foerste. (Upper Trenton-Ky.) Holopca lavinia Billings. (Canada.) Holopea nashvillensis Ulrich. (Catheys.) Holopca obliqua Hall. (N. Y.) Holopca parvula Ulrich. (Flanagan.) Holopca symmetrica Hall. (N. Y., N. J.) Holopea ventricosa Hall. (N. Y.) Homalonotus trentonensis Simpson. (Pa.) Homotrypa callosa Ulrich. (Wilmore.) Homotrypa similis Foord. (Canada.) Homotrypella granulifera (Ulrich). (Wilmore.) 1462 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Homotrypclla norwoodi Nickles. (Cynthiana?) Hormotoma bellicincta (Hall). (N. Y.) Hormotoma gracilis (Hall). (N. Y., Ky., etc.) Hormotoma salleri Ulrich. (Flanagan.) Hormotoma salteri nitida Ulrich. (Flanagan.) Hormotoma tcrebriformis Foerste. (Upper Trenton- Ky.) Hudsonaster matutinus (Hall). (N. Y., Canada.) Hudsonaster milleri Schuchert. (Wilmore.) Hyolithes pinniformis Ruedemann. (Canajoharie.) Iltenus americanus (Billings). (Canada.) fltenus latidorsatus Hall. (N. Y.) locrinus subcrassus (Meek and Worthen). (Ky., etc.) locrinus trentonensis Walcott. (N. Y.) Isochilina amii Jones. (Quebec.) IsochiUna ampla Ulrich. (Catheys.) Isochilina gracilis (Jones). (Canada.) IsochiUna gregaria ulrichiana Jones. (Ontario.) IsocJiilina jonesi Wetherby. (Perryville.) Isochilina saffordi Ulrich. (Catheys.) Isochilinaf subnodosa Ulrich. (Perryville.) IsochiUna whiteavesi Jones. (Quebec.) Isoteloides homalonotoides (Walcott). (N. Y.) Isotelus benjamini Ulrich. (Upper Trenton-Ky.) Isotelus covintonensis Ulrich* (Upper Trenton- Ky.) Isotelus gigasf Dekay. (Ky., Tenn., etc.) Isotelus jacobus Clarke. (N. Y.) Isotelus maximusf Locke. (Ky., Tenn., etc.) Isotelus megalops Green. (N. Y. ) Eladenia prsenuntia Ulrich and Bassler. (Hermi- tage.) Labechia macrostyla Parks. (Mich.) / Lasiograptus ( Thysanograptus') eucharis (Hall). (Collingwood.) Leperditellaf obscura (Jones). (Quebec.) Leperditia appressa Ulrich. (Perryville.) Leperditia csecigena frankfortensis Ulrich. (Perry- ville.) Leperditia canadensis louckiana Jones (Canada.) Leperditia linneyi Ulrich. (Perryville.) Leperditia ovata Jones. (Pa.) Leperditia tumidula Ulrich. (Perryville.) Lepidocoleus jamesi (Hall and Whitfield). (Ky., Term., etc.) Leptsena tenuistriata Sowerby. (Hermitage.) Leptobolus lepis Hall. (Upper Trenton-Ky.) Leptobolus lepis cliftonensis Foerste. (Hermitage.) Leptograptus flaccidus Hall. (Collingwood.) Lichenocrinus pattersoni Miller. (Upper Trenton- Ky.) Lichenocrinus subsequalis Foerste. (Upper Tren- ton-Ky.) LicropJiycus minor Billings. (Canada.) Licrophycus ottowacnse Billings. (Canada.) Lingula xqualis Hall. (N. Y.) Lingula briscis Billings. (Canada.) Lingula cincinnatiensis Hall and Whitfield. (Up- per Trenton-Ky.) Lingula cobourgcnsis Billings. (Canada.) Lingula covingtonensis Hall and Whitfield. (Upper Trenton-Ky.) Lingula (Palseoglossa) crassa (Hall). (N. Y.) Lingula curta Conrad. (N. Y., Pa.) Lingula elliptica Emmons. (Va.) Lingula elongaia Hall. (N. Y., Ontario.) Lingula modesta Ulrich. (Upper Trenton and Hermitage.) Lingula obtusa Hall. (N. Y., Canada.) Lingula papillosa Emmons. (N. Y.) Lingula philomela Billings. (Canada, N. J.) Lingula procteri Ulrich. (Upper Trenton-Ky.) Lingula procteri versaillesensis Foerste. (Flana- gan.) Lingula progne Billings. (Collingwood.) Lingula riciniformis Hall. (N. Y., etc.) Lingula striata Emmons. (Va.) Lingula (Palxoglossa) trentonensis (Conrad). (N. Y., etc.) Lingula waynesborocntis Foerste. (Hermitage.) Lingula whitfieldi Ulrich. (Upper Trenton-Ky., N.J.) Lingulops norwoodi (James). (Upper Trenton-Ky., N.J.) Liospira americana Billings. (Canada, N. Y., etc.) Liospira micula (Hall). (Ky., Tenn., etc.) Liospira(?) mundula Ulrich. (Ky.) Liospira persimilis Ulrich. (Catheys.) Liospira progne Billings. (Canada.) Liospira subtilistriata (Hall). (N. Y.) Liospira vitruvia Billings. (Canada, N. Y., etc.) Lockeia siliquaria James. (Upper Trenton-Ky.) Lophospira abnormis Ulrich. (Upper Trenton- Ky.) Lophospira bicincta (Hall). (N. Y., etc.) Lophospira bowdeni (Safford). (Tenn., Ky., etc.) Lophospira conoidea Ulrich. (Catheys.) Lophospira decursa Ulrich. (Wilmore?) Lophospira elevata Ulrich and Scofield. (Flana- gan.) Lophospira humilis Ulrich. (Catheys and Flana- gan.) Lophospira medialis Ulrich and Scofield. (Flana- gan and Perryville.) Lophospira medialis burginensis Ulrich. (Flana- gan.) Lophospira producta Ulrich. (Catheys.) Lophospira pulchella Ulrich and Scofield. (Flana- gan.) Lophospira saffordi Ulrich. (Catheys.) Lophospira sumnerensis (Saftord). (Catheys, Flan- agan.) Lophospira uniangulata (Hall). (N. Y.) Loxoceras milleri (Foerste). (Perryville.) Lyrodcsma acuminatum intermedium Ulrich. (Ky.) Lyrodesma subplanum Ulrich. (Upper Trenton- Ky.) Maclurina cuneata (Whitfield). (Galena.) Mastigograptus arundinaceus (Hall). Canajoha- rie.) Mather ia brevis Whiteaves. (Ontario.) Matheria tencra Billings. (Canada.) Mcrocrinus corroboratus Walcott. (N. Y.) Merocrinus typus Walcott. (N. Y., Ky.) Mesopalseaster antiquus (Troost). (Catheys.) Mesopalxaster dubius (Miller and Dyer). Upper Trenton-Ky.) Mesotrypa angularis Ulrich and Bassler. (Hermi- tage.) Mesotrypa echinata Ulrich and Bassler. (Hermi- tage.) Mesotrypa quebecensis (Ami). (Hermitage.) Mesotrypa regular is (Foord). (Ontario.) FAUNAL LISTS. 1463 Mcsotrypa whiteavesi (Nicholson). (Ontario.) Modiolon ganti (Safford). (Hermitage.) Modiolon oviformis (Ulrich). (Hermitage.) Modiolon oviformis amplus Ulrich. (Hermitage.)" Modiolon winchelli (Safford). (Hermitage.) Modiolopsis arcuata Hall. (N. Y.) Modiolopsis depressa Weller. (N. J.) Modiolopsis latus Hall. (N. Y.) Modiolopsis maia Billings. (Canada.) Modiolopsis mcyeri Billings. (Ontario.) Modiolopsis rogersensis Foerste. (Upper Trenton- Ky.) Monotrypa globosa Weller. (N. J.) "Monotrypa undulata (Nicholson). (Ontario.) Montkulipora arborca Ulrich. (Wilmore.) Monticulipora westoni Foord. (Ontario.) Nyctopora billingsi Nicholson. (Ontario, N. J.) Odontopleura parvula (Walcott). (N. Y.) Odontopleura trentonensis (Hall). (Ontario.) Ogygitcs canadensis (Chapman). (Collingwood.) Oliiocrinus exilis Foerste. (Upper Trenton- Ky.) Oncoceras constrictum Hall. (N. Y.) Orbicula excentrica Emmons. (Va.) Orbignyclla billingsi (Foord). (Ontario.) Orthoceras xquale (Emmons). (N. Y.) Orihoccras albersi Miller. (Upper Trenton- Ky.) Ortlioccras amplicameratum Hall. (N. Y.) Orthoceras arcuolineatum Ruedemann. (Canajo- harie.) Orthoceras arcuoliratum Hall. (N. Y.) Orthoceras brongniarti (Troost). Term.) 0 rthoceras clathratum Hall. (N . Y. ) Orthoceras hudsonicum Ruedemann. (Canajo- harie.) Orthoceras huronense Billings. (Canada.) Orthoceras junceum Hall. (N. Y.) Orthoceras latiannulatum Hall. (N. Y.) ' Orthoceras lincolatum Hall. (N. Y.) Orthoceras ludlowense Miller and Faber. (Upper Trenton-Ky.) Orthoceras multilineatum (Emmons). (N. Y.) Orthoceras rogcrscnse Foerste. (Upper Trenton, Ky.) Orthoceras strigatum Hall. (N. Y.) Orthoceras tenuistriatum (Hall). (N. Y., N. J.) Orthoceras tenuitextum (Hall). (N. Y., N. J.) Orthoceras textile Hall. (N. Y.) Orthoceras undulostriatum Hall. (N. Y.) Orthoceras vulgatum Billings. (Ontario.) Orthodcsma canal iculat urn Ulrich. (N. J.) Orthod esma nasutum (Conrad). (N. J.) Orthodesma subnasutum (Meekand Worthen.) (Ga- lena.) Orthorhynchula linneyi (James). (Perryville- Cynthiana.) Oxydiscus cristatus (Safford). (Catheys.) Oxydiscus subacutus Ulrich. (Flanagan.) Pachydictya acuta (Hall). (N. Y., etc.) Pachydictya triserialis Ulrich. (Quebec.) Palxophycus obscurum Billings. (Ont.) Palseophycus rugosum Hall (N. Y.) Palxophycus simplex Hall. (N. Y.) Parastrophia hcmiplicata Hall. (N. Y.) Pasccolus globosus Billings. (Canada, etc.) Pattersonia aurita (Beecher). (Bigby.) Peronopora milleri Nickles. (Cynthiana.) Pholidops trentonensis Hall. (N. Y.) Phragmolitcs compressus Conrad. (N. Y.) Platystrophia colbiensis Foerste. (Cynthiana.) Platystrophia colbiensis mutata Foerste. (Cynthi- ana.) Platystrophia colbiensis precursor Foerste. (Cyn- thiana.) Plcctambonites curdsvillensis Foerste. (Cynthiana.) Plectambonites sericeus? Sowerby. (N. Y., Ky., etc.) Pie urocystites elegans B illings . ( Ontario. ) Pleurocystites exornatus Billings. (Quebec.) Pleurotomaria agave Billings. (Canada.) Pleurotomaria ( Trochoncma?) ambigua (Hall) (N. Y.) Pleurotomaria indenta Hall. (N. Y.) Porocrinus smithi Grant. (Ontario.) Prasopora falesi (James). (Hermitage.) Prasopora nodosa Ukich. (Catheys.) Prasopora oculata Foord. (Canada.) Prasopora patera Ulrich. (Hermitage.) Prasopora selwyni (Nicholson). (Canada, etc.) Prasopora simulatrix Ulrich. (Wilmore.) Prasopora simulatrix orientalis Ulrich. (Ontario, N. Y.) Primicorallina trentonensis Whitfleld. (N. Y.) Primitia centralis Ultich. (Upper Trenton-Ky.) Primitia mundula incisa Jones. (Quebec.) Prim itia nitida Ulrich. ( Perry ville. ) Primitia perminima Ulrich. (Upper Trenton- Ky.) Primitiella ulrichi (Jones). (Collingwood.) Prcetus brevimarginatus Weller. (N. J.) Prcetus latimarginatus Weller. (N. J.) Prolobclla aviculoides (Hall). (N. Y.) Prolobella hermione (Billings). (Quebec.) Prolobclla subelliptica (D'Orbigny). (N. Y.) Prolobclla subspatulata (Hall). (N. Y.) Prolobclla trentonensis (Conrad). (N. Y.) Promo palseaster prenuntius Schuchert. Protarxa vetusta (Hall). (N. Y., etc.) Protocrisina perantiqua (Hall). (N. Y., Quebec.) Pseudohornera dichotoma (Ulrich). (Quebec.) Pseudosphxrexochus trentonensis Clarke. (N. Y.) Pterotheca anatiniformis (Hall). (N. Y.) Pterotheca canaliculata (Hall). (N. Y.) Pterotheca expansa (Emmons). (N. Y.) Pterotheca undulata (Hall). (N. Y.) Pterygometopus achates (Billings). (Ontario, N. Y.' etc.) Pterygometopus callicephalus (Hall). (N. Y., Onta- rio, etc.) Pterygometopus carleyi rogersensis (Foerste). (Cyn- thiana.) Pterygometopus eboraceus Clarke. (N. Y.) Pterygometopus mcta (Hall). (Wis.) Pyrenomceus subcuneatus Ulrich. (Upper Trenton, Ky.; N. Y.) Rafinesquina alternata (Emmons). (N. Y., Tenn., etc.) Rafinesquina declivis (James). (Cynthiana.) Rafinesquina deltoidea (Conrad). (N. Y.) Rafinesquina tenuilineatea (Conrad). (N. Y.) Rafinesquina winchestcrensis Foerste. (Cynthi- ana.) Rafinesquina winchestercnsis filistriata Foerste. (Cynthiana.) Raphistoma rotuloides (Hall). (N. Y.) 1464 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Receptaculites dixonensis Miller and Gurley. (Ga- lena.) Remopleurides striatulus Walcott. (N. Y.) Rhaphanocrinus subnodosus (Walcott). (N. Y.) Eh in ididya neglecta Ulrich . ( Wilmore. ) Rhinidictya neglecta canadensis Ulrich. (Ky., Tenn.) RhyncTionella sordida Hall. (N. Y.) Rhynchotrema dentatum Hall. (N. Y., N. J.) Rhynchotrema increbescens (Hall). (N. Y., Canada, etc.) Rhynchotrema procteri Ulrich. (Flanagan.) Rhynchotrema subtrigonale (Hall). (N. Y., Ky., etc.) Rusophycus biloba Vanuxem. (N. Y., etc.) Saccospongia danvillensis Ulrich. (Perryville.) Saccospongia rudis Ulrich. (Cynthiana.) Salpingostoma expansum (Hall). (N. Y., Canada.) Sccnidium(f) merope (Billings). (Canada, Ky.) Schizambon canadensis (Ami). (Canajoharie, Col- lingwood.) Schizambonf dodgei Winchell and Schuchert. (N.Y.) Schizocrania filosa Hall. (Ontario, etc.) Schizocrania(f) rudis Hall. (Hermitage.) Schizocrania schucherti Hall and Clarke. (Upper Trenton-Ky.) Schizocrinus nodosus Hall. (N. Y.) Schizocrinus striatus Hall. (N. Y.) Schizolopha textilis Ulrich. (Catheys.) Schizotrcta conica (Dwight). (N. Y.) Schizotreta ovalis Hall and Clarke. (N. Y.) Schizotreta pelopea (Billings). (Canada.) Schuchertia stellate, (Billings). (Ontario.) Sinuites cancellatus (Hall). (N. Y., Ky., Tenn., etc.) Sinuites cancellatus acutus (Sowerby?) Hall. (N.Y.) Sinuites cancellatus corrugatus (Hall). (N. Y.) Sinuites cancellatus trentonensis (Ulrich and Sco- fleld). (Ohio, etc.) Sinuites obesus (Ulrich). (Hermitage.) Sinuites tenuissimus (Collie). (Pa.) Solenopora compacta (Billings). (Russia, Canada, and U. S.) Spatioporaf arcolata Foord. (Quebec.) Sphxrocoryphe robustus Walcott. (N. Y.) Sphenothallus angustifolius Hall. (Canajoharie.) Spyroceras anellus (Conrad). (N. Y.) Syproceras beauportense (Whiteaves). (Canada.) Syproceras bilineatum' (Hall). (N. Y., Canada, Minn.) Spyroceras subannulatum (D'Orbigny). (N. Y.) Stelidiocrinus argutus (Walcott). (N. Y.) Steliella billingsi Hindo. (Ontario.) Stfliella crassa Hinde. (Ontario.) Stellipora antheloidea Hall. (N. Y., Ontario.) Stephanella sancta Hinde. (Collingwood.) Stictopora elegantula Hall. (N. Y.) Stictipora exigua Ulrich. (Quebec.) Stomatopora arachnoidea (Hall). (N. Y., Ohio, Ky.,etc.) Streptelasma corniculum Hall. (N. Y., etc.) Stromatocerium michiganense Parks. (Drift, Mich.) Stromatocerium pustulosum (Safford). (Bigby, Ca- theys.) Strophomena conradi Hall and Clarke. (N. Y.) Strophomena hallie (Miller). (Upper Trenton-Ky.) StrophomenU higginsportcnsis Foerstc. (Upper Trenton-Ky.) Strophomena thalia Billings. (Ontario.) Strophomena trilobata (Owen). (Iowa, etc.) Strophostylus textilis Ulrich and Scofield. (Flana- gan.) Strophostylus vicina Foerste. (Wilmore-Pcrry- ville.) Subulites elongatus Conrad. (N. Y., Canada.) Syproceras bilineatum frankfortense Foerste. (Her- mitage.) Txniastcr spinosus (Billings). (Canada.) Tcganium subsphericum (Walcott). (N. Y.) Tctradella lunatifera (Ulrich). (Ky., Tenn., etc.) * Tclradella subquadrans Ulrich. (N. Y.) Tetradium columnare (Hall). (N. Y., Tenn.) Tctradium ftbratum Safford. (Tenn., Ky., Va.) Tetradium minus Safford. (Hermitage.) Tctradium raccmosum Raymond. (Ontario.) Tctranota bidorsata (Hall). (N. Y., Ky., etc.) Tctranota obsoleta Ulrich and Scofield. (Ky., etc.) Trematis fragilis Ulrich. (Upper Trenton-Ky.) Trematis montrealensis Billings. (Quebec.) Trematis ottawaensis Billings. (Ontario, N. Y., etc.) Trematis punctistriata Hall. (Hermitage.) Trematis terminalis (Emmons). (N. Y.) Triarthrus bccki Green. (U. S. and Canada.) Triarthrus billingsi Barrande. (Collingwood.) Triarthrus canadensis Smith. (Collingwood.) Triarthrus glaber Billings. (Collingv,rood.) Triarthrus spinosus Billings. (Collingwood.) Triplecia (Cliflonia) calhouni (Wilson). (Colling- v/ood.) Triplecia cuspidata Hall. (N. Y.) Triplecia extans (Emmons). (N. Y.) Triplecia nucleus Hall. (N. Y.) Triptcroceras xiphias (Billings). (Ontario.) Trocholites ammonius Conrad. (N. Y., Ky.) Trocholites canadensis Hyatt. (Canada.) Trochonema (Eunema) arctatum Ulrich. (Flana- gan.) Trochonema (Eunema) obsoletum Ukich. (Flana- gan.) Trochonema subcrassum Ulrich and Scofield. (Flan- agan.) Trochonema umbilicatum (Hall). N. Y., Canada, etc.) Turrilepas canadensis Woodward. (Collingwood.) Ulrichia bivcrtex (Ulrich). (Ky., N. Y.) Urastcrclla pulchella (Billings). (Ontario, N. Y.) Vallatotheca unguiformis (Ulrich). (Flanagan.) Vanuxemia hayniana (Safford). (Flanagan, Catheys.) Vanuxemia nana (Uh~ich). (Flanagan.) Vanuxemia wortheni (Ulrich). (Galena.) Vhiteavesia cancellata (Walcott). (Upper Trenton- Ky.) Whiteavesia cincinnatiensis (Hall and Whitfield). (Upper Trenton-Ky.) Whiteavesia kentonensis (Ulrich). (Upper Trenton- Ky.) MHiiteavesia oblonga (Ulrich). (Upper Trenton- Ky.) Whiteavesia pulchella (Ulrich). (Upper Trenton- Ky.) Whitella suborbicularis Weller. (N. J.) FAUNAL LISTS. 1465 WhitellasuUruncata (Hall). (N. Y., N. J., Canada.) Whitella ventricosa (Hall). (N. Y., Minn., Canada.) Zitteloceras hallianum (D'Orbigny). (N. Y., Can- ada.) Zygospira exigua (Hall). (N. Y.) Zygospira obsoleta (Foerste). (Cynthiana.) Zygospira recurvirostris (Hall). (N. Y., Ky., etc.) XEENTON (PEOSSEE) OF UPPER MISSISSIPPI VALLEY. Allodesma subellipticum (Ulrich). A mbonychia affinis Ulrich. Ambonychia amygdalina Hall. Ambonychia bcllistriata Hall. Amphilichas cucullus (Meek and Worthen). Amphilichas robbinsi (Ulrich). Aparchitcs minutissimus trentonensis Ulrich. Archinacella scmicarinata Ulrich and Scofield. Archinacclla valida (Sardeson). Arthroclema armatum Ulrich. Arthroclema pulchellum Billings. Arthropora bifurcata Ulrich. Arthropora rcvcrsa UWch. Aspidopora elcgantula (Ulrich). Batostoma humile UWch. Bellerophon platyjstoma (Meek and Worthen). Bellerophon similis Ulrich and Scofield. Bollia subsequata Ulrich. Bollia unguloidea UWch. Bucania clliptica Ulrich and Scofield. Bucania lindsleyi (Safford). Bucania sublata Ulrich and Scofield. Byssonychia intermedia (Meek and Worthen). Bythocypris cylindrica (Hall). Calymcnc senaria Conrad. Camcroceras hcnnepini Clarke. Catazyga uphami (Winchell and Schuchert). Ceramoporclla irderporosa Ulrich. Ccraurus pleurexanthemus Green. Chasmatopora reticulata (Hall). Clathrospira conica Ulrich and Scofield. Clidophorus consuetus Ulrich. Clionychia undata (Emmons). Clitambonitcs diversus (Shaler). Clitambonites diversus altissimus Winchell and Schuchert. Cadocaulus neglectus Ulrich and Scofield. Coeloclema trentonensis (Ulrich). Constellaria varia Ulrich. Corydoccphalus wcsenbcrgcnsis paulianus (Clarke). Corynotrypa dclicatula (James). Crania trentonensis Hall. Ctenobolbina obliqua Ulrich. Ctenodonta alta (Hall). Ctenodonta carinata Ulrich. ^ Ctenodonta intermedia (Ulrich). Ctenodonta oviformis Ulrich. Ctenodonta subnasuta Ulrich. Cuneamya truncatula Ulrich. Cybeloidesf winchelli (Clarke). Cycloceras olorus (Hall). Cyclonema varicosum Hall. Cyclospira bisukata (Emmons). Cyphotrypa acervulosa (Ulrich). Cyrtodonta affinis Ulrich. Cyrtodonta gibbera UWch. Cyrtodonta grandis (Ulrich). Cyrtodonta grandis gcrmana (Ulrich). Cyrtodonta parva Ulrich. Cyrtolites ornatus minor Ulrich and Scofield. Cythcrellaf rugosa (Jones). Cytherella? rugosa arcta Ulrich. Cyrtospira wykoffensis Ukich and Scofield. Dalmanella rogata (Sardeson). Dalmanella tcstudinaria (Dalman). Dekayia trentonensis (Ulrich). Dianulites petropolitana Dybowski. Diastoporina flabellata Ulrich. Dinobolus(?) parvus (Whitfield). Dinorthis mcedsi (Winchell arid Schuchert). Dinorthis meedsi germana (Winchell and Schuchert). Diplotrypa limitaris UWch. Diplotrypa neglecta Ulrich. Eccyliomphalus subrotundus Ulrich and Scofield. Eccyliopterus owenanus (Meek and Worthen). Edrioaster bigsbyi (Billings). Endoccras protciforme Hall. Endodesma compressum Ulrich. Endodcsma cuneatum Ulrich. EoJiarpes minnesotensis (Clarke). Eoharpes rutrellum (Clarke). Eridotrypa xdilis (Eichwald). Eridotrypa ssdilis minor (Ulrich). Eridotrypa exigua Ulrich. EurychiUna ventrosa Ulrich. Favositella laxata (UMch). Fusispira angusta Ulrich and Scofield. Fusispira angusta subplana Ulrich and Scofield. Fusispira convexa Ulrich and Scofield. Fusispira elongata Hall. Fusispira inflata (Meek and Worthen). Fusispira intermedia Ulrich and Scofield. Fusispira nobilis Ulrich and Scofield. Fusispira planulata Ulrich and Scofield. Fusispira subbrevis Ulrich and Scofield. Fusispira subfusiformis (H?,ll). Fusispira vittata (Hall). Goldius lunatus (Billings). Graptodictya proava (Eichwald). Gyronema percarinata (Hall). Halliella labiosa Ulrich. Hallopora ampla (Ulrich). Hallopora dumalis (Ulrich). Hallopora goodJiuensis (UWch). Hallopora multitabulata (Ulrich). Halloporina crenulata (Ulrich). Haploconus galenensis (Clarke). Hebcricllafrankfortensis Foerste. Hekionopsis subcarinata Ulrich and Scofield. Hclopora mucronata Ulrich. Hclopora quadrata Ulrich. HemipJiragma irrasum (Ulrich). Hemiphragma ottawaensc (Foord). Hemipliragma tcnuimurale Ulrich. Hindia parva Ulrich. Holopea appressa UWch and Scofield. Holopea excelsa Ulrich and Scofield. Holopea paludiniformis Hall. Holopea pyrene Billings. Holopea similis Ulrich. Holopea supraplana Ulrich and Scofield. Homo'rypa cattosa Ulrich. Homotrypa? similis Foord. 1466" BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Homotrypa subramosa insignis (Ulrich). HomotrypeUa hospitalis crassa (Ulrich). HomotrypcUa mundula Ulrich. HomotrypeUa? ovata Ulrich. • Hormotoma bellicincta (Hall). Hormotoma gracilis (Hall). Hormotoma(?') major (Hall). Hormotoma salteri (Ulrich). Hormotoma trentonensis Ulrich and Scofield. Illxnus americanus (Billings). Ischadites iowemis (Owen). Isotdus gigasf Dekay. IsotdU'S maximusf Locke. Jonesclla obscura Ulrich. Eokenospira costalis Ulrich and Scofleld. Lichenaria minor Ulrich. Licrophycus ottawaense Billings. Lingula? canadensis Billings. Lingula (Palseoglossa) deflect a (Winchell and Schu- chert). Lingula (Palxoglossa) hurlbuti (N. H. Winchell). Lingula (Pseudolingula) iowensis (Owen). Lingula riciniformis Hall. Lingula riciniformis galenensis Winchell and Schu- chert. Lingulasma galenense Winchell and Schuchert. Liospira americana Billings. Liospira angustata Ulrich. Liospira progne Billings. Lophospira bidncta Hall. Lophospira elevata Ulrich and Scofleld. Lophospira fillmorensis Ulrich and Scofield. Lophospira medialis Ulrich and Scofield. Lophospira perforata Ulrich and Scofield. Lyrodesma cannonenseUlrich. Madurites crassus macro, (Ulrich and Scofield). Mxlonoceras neleus (Hall). Mesotrypa discoidea Ulrich. Mesotrypa quebecensis (Ami). Mesotrypa? rotunda Ulrich. Mitoclema? mundulum Ulrich. Modiolodon patulus Ulrich. Modiolopsis mytiloides Hall. Modiolopsis nana Ulrich. Modiolopsis oweni Ulrich. Monotrypa intabulata Ulrich. Monticulipora arbor ea Ulrich. Monticulipora? cannonensis Ulrich. Nematopora conferta Ukich. Nematopora consueta Basslei . Nematopora granosa Ulrich. Nematopora ovalis Ulrich. Nilcus vigilans (Meek and Worthen). Odontopleura parvula (Walcolt). O ncoceras douglassi Clarke. Oncoceras exiguum (Billings). Oncoceras minnesotense Clarke. Ophiletina sublaxa sequens Uliich and Scofield. Orthoceras beltrami Clarke. Orthoceras junceum Hall. Orthodesma schucherti Ulrich. Oxydiscus subacutus Ulrich. Pachydictya acuta (Hall). Pachydictya elegans Ulrich. Pachydictya magnipora Ulrich. Pachydiclya pumila Ulrich. Pachydictya pumila sublata Ulrich. Parastrfiplda hemiplicata Hall. Parastrophia hemiplicata rotunda Winchell and Schuchert. Parastrophia scofieldi (Winchell and Schuchert). Pasceolus globosus Billings. Petrocrania ulnchi (Hall and Clarke). Phsmopora incipiens Ulrich. Pholidops trentonensis minor Winchell and Schu- chert. Phragmolites dyeri cellulosus (Ulrich and Scofield). Plectambonites gibbosus Winchell and Schuchert. Plectambonites minncsotensis (Sardeson). Plectambonites sericeus Sowerby. Plectorthis plicatella trentonensis Foerste. Plcthocardia suberecta Ulrich. Pleurocystitcs squamosus Billings. Podolithus anomalocrinus Sardeson. Podolithus dendrocrinus Sardeson. Podolithus eucheirocrinus Sardeson. Poterioceras apertum Whiteaves. Prasopora affinis Foord. Prasopora grandis (Ulrich). Prasopora insularis Ulrich. Prasopora insularis fillmorensis Ulrich. Prasopora oculata Foord. Prasopora selwyni (Nicholson). Prasopora simulatrix Ulrich. Primitia micula Ulrich. Primitia uphami Ulrich. Prolobella striatula Ulrich. Protarxa vetusta (Hall). Psiloconcha minnesotensis Ulrich. Pterygometopus achates (Billings). Pterygometopus callicephalus (Hall). Pterygometopus schmidti Clarke. Rafinesquina alternata (Emmons). Rafinesquina deltoidea (Conrad). Raphistomina rugata Ulrich and Scofield. Receptaculites oweni Hall. Rhinidictya minima Ulrich. Rhinidictya minima modesta Ulrich. Rhinidictya mutabilis (Ulrich). Rhynchotrema increbescens (Hall). Rhynchotrema increbescens laticostalum (Winchell and Schuchert). Rhytimya sinuata Ulrich. Saffordia modesta (Ulrich). . Salpingostoma sculptile Ulrich and Scofield. Scenella affinis Ulrich and Scofield. Scenella affinis obsoleta Ulrich and Scofield. Scenella radialis Ulrich and Scofield. Schizotreta pelopea (Billings). Schmidtella affinis Ulrich. Schmidtella incompta subxqualis Ulrich. Siiwites canccllatus (Hall). Sinuitcs cancellatus trentonensis (Ulrich and Sco- field). Sphenolium striatum Ulrich. Stomatopora arachnoidea (Hall). Streptelasma corniculum Hall. Strophomena billmgsi Winchell and Schuchert. Strophomena emaciata Winchell and Schuchert. Strophomena scofieldi Winchell and Schuchert. Strophomena trentonensis Winchell and Schuchert. Strophomena trilobata (Owan). Strophostylus tcxtilis Ulrich and Scofield. Subulites pergracilis Ulrich and Scofield. FAUNAL LISTS. 1467 Tetraddla lunatifera (Ulrich). Tetranota bidorsata (Hall). Tetranota obsoleta Ulrich and Scofield. Tetranota sexcarinata Ulrich and Scofield. Trematis ottawaensis Billings. Tripteroceras planoconvexum (Hall). Trochonema altum Ulrich and Scofield. Trochonema fragile Ulrich and Scofield. Trochonema (Eunema) robUnsi Ulrich and Scofield. Trochonema (Eunema) salteri Ulrich and Scofield. Trochonema (Eunema) simile Ulrich and Scofield. Trochonema subcrassum Ulrich and Scofield. Trochonema umbilicatum (Hall). Vanuxemia abrupta Ulrich. Vanuxemia hayniana (Safford). Whiteavesia subcarinata (Ulrich). Whitella prxcipta Ulrich. Whitclla subcarinata Ulrich. WJiitclla truncata Ulrich. Zygospira recurvirostris (Hall). TEENTON (STETVARTVILLE) OP UPPER MISSISSIPPI VALLEY. Ccelocaulus cehlerti Ulrich and Scofield. Fusispira inflata (Meek and Worthen). Fusispira inflata ventricosa (Hall). Fusispira subbrevis Ulrich and Scofield. Hormotoma(?) major (Hall). Hormotoma trentonensis Ulrich and Scofield. Lophospira augustina (Billings). Lophospira augustina minnesotensis Ulrich and Sco- field. Madurina cuneata (Whitfield). Maclurina manitobensis (Whiteaves). Madurina subrotunda (Whitfield). Madurites crassus (Ulrich and Scofield). Tripteroceras Iambi? Whiteaves. Trochonema umbilicatum (Hall). TRENTON (CUKDSVILLE) OF OHIO VALLEY AND CANADA. Aesiocystites priscus Miller and Gurley. Agelacrinitcs dicksoni Billings. Amygdalocystitis florealis Billings. Amygdalocystitcs florcalis Isevis Billings. A mygdalocystitcs huntingtoni Wetherby . Amygdalocystites radiatus Billings. Amygdalocystitcs tenuistriatus Billings. Archseocrinus dcsideratus W. R Billings. Archxocrinus lacunosus (Billings). Archxocrinus marginatus (Billings). Archxocrinus microbasilis (Billings). Archxocrinus pyriformis (Billings). Archinacclla cingulata Ulrich. Astrocystitcs ottaivaensis Whiteaves. Astroporites ottawaensis Lambe. Atclocystites huxleyi Billings. Bathyurus ingalli Raymond. Selemnocystitcs wcthcrbyi Miller and Gurley. Carabocrinus ovalis Miller and Gurley. Carabocrinus radiatus Billings. Carabocrinus vancortlandti Billings. Ceraurinus trentonensis Barton. Cheirocrinus logani (Billings). Cheirocrinus logani gracilis (Billings). Cleiocrinus regius Billings. Clciocrinus sculptus Springer. Comarocystites punctatus Billings. Cremacrinus articulosus (Billirgs). Cremacrinus inxqualis (Billings). Cremacrinus rugosus (Billings). Ctenodonta subrotunda (Ulrich). Cupulocrinus conjugans (Billings). Cupulocrinus humilis (Billings). Cupulocrinus jewetti (Billings). Cupulocrinus jcwetti kentuckiensis Springer. Cyclocystoides halli Billings. Dendrocrinus acutidactylus Billings. Dendrocrinus proboscidiatus Billings. Dinorthis pectinella (Hall). Edrioaster bigsbyi (Billings). Endoceras clarki (Wetherby). Endoceras gracile (Wetherby). Eoharpes dentoni (Billings). Glaucocrinus falconeri Parks and Alcock. Glyptocrinus circumcarinatus Parks. Glyptocrinus mercerensis Miller and Gurley. Glyptocrinus ornatus Billings. Glyptocrinus ramulosus Billings. Glyptocystites multiporus Billings. Heterocrinus milleri Wetherby. Heterocrinus tenuis Billings. Hybocrinus conicus Billings. Hybocrinus tumidus Billings. Hybocystites cldonensis (Parks). Hybocystites problematicus Wetherby. Lophospira bicincta (Hall). Ohiocrinusjcllevillensis (W. R. BUlings). Omospira alexandra (Billings). Orthis tricenaria Conrad. Ottawacrinus billingsi Springer. Ottawacrinus typus W. R. Billings. Palxocrinus angulatus (Billings). Palxocrinus pulchellus Billings. Palseocrinus rhombiferus Billings. Periglyptocrinus billingsi Wachsmuth and Springer. Periglyptocrinus priscus (Billings). Petr -aster rigidus (Billings). Plectambonites curdsvillensis Foerste. Pleurocystites filitextus Billings. Pleurocystites mercerensis Miller and Gurley. Pleurocystites squamosus Billings. Pleurocystites squamosus robustus (Billings). Porocrinus conicus Billings. Porocrinus kentuckiensis Miller and Gurley. Protastcr whiteavesiana Parks. Protaxocrinus elegans (Billings). Protaxocrinus Ixvis (Billings). Raphistomina denticulata UWch. Retcocrinus alveolatus Miller and Gurley. Reteocrinus stellaris Billings. Rhynchotrema subtrigonale (Hall). Salpingostoma buelli kentuckiensis Ulrich and Sco- field. Sinuites cancettatus (Hall). Sinuites pervolutus (Ulrich and Scofield). Stenaster salteri Billings. Streptelasma corniculum Hall. Tseniaster cylindricus (Billings). Tetranota obsoleta UWch. Thresherodiscus ramosus Foerste. Vanuxemia cardinata Ulrich. Vanuxemia gibbosa Ulrich. Zygospira recurvirostris Hall. 84243°— Bull. 92— vol 2— 1468 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. TRENTON (EYSEDORPH CONGLOMERATE) OF EASTERN NEW YORK. Ampyx (Lonchodomas) tiastatus Ruedemann. Aparchites minutissimus robustus Ruedemann. Bolboporites americanus Billings. Bollia cornucopix Ruedemann. Bythocypris cylindrica (Hall). Calymene senaria Conrad. Carinaropsis carinata Hall. Ceraurus pleurexanthemus (Green). Christiania trentonensis Ruederaann. Clathrospira subconica Hall. Climacograptus scharenbergi Lapworth. Conularia trentonensis Hall. Corynotrypa inflata (Hall) Cyphaspis matutina Ruedemann Cyrtospira attenuata Ruedemann. Dalmanella testudinaria var. (Dalman). Dinorthis pectinella (Emmons). Diplograptus foliaceus (Murchison). Eccyliopterus spiralis Ruedemann Eurychilina bulbifera Ruedemann Eurychilina dianthus Ruedemann. Eurychilina obliqua Ruedemann. Eurychilina reticulata Ulrich. Eurychilinaf solida Ruedemann. Eurychilina subradiata renssclxrica Ruedemann. Gerasaphes ulrichana (Clarke). Goldius lunatus (Billings). Hallopora multitabulata (Ulrich). Holopea paludiniformia Hall. Hyolithes rhine Ruedemann. • Illsenus americanus Billings. Isochilina armata pygmsea Ruedemann. Isotdus maximum Locke. Leperditiafabulites Conrad. Leperditia resplendens Ruedemann. Leptxna rhomboidalis var. (Wilckens). Liospira americana (Billings). Liospira subtilistriata (Hall). Lophospira bicincta (Hall). Lophospira perangulata (Hall). MacronoteUafragaria Ruedemann. Macronotella ulrichi Ruedemann. Orthis tricenaria Conrad. Parastrophia hemiplicata Hall. Pholidops trentonensis Hall. Phragmolites compressus (Conrad). Pianodema subxquata perveta (Conrad). Platystrophia biforata var. Schlotheim. Plectambonites pisum Ruedemann. Plectambonites sericeus var. (Sowerby). Prasopora simulatrix orientalis Ulrich. Primitia jonesi (Ruedemann). Prolobella aviculoides (Hall). Pterygometopus achates (Billings). Pterygometopus callicephalus Hall. Pterygometopus eboraceus Clarke. Rafinesquina alternataf (Emmons). Rafinesquina deltoidea (Conrad). Remopleurides linguatus Ruedemann. Remopleurides tumidus Ruedemann. Schmidtella crassimarginata ventrilabiata Ruede- mann. Sinuites cancellata (Hail). Siphonotretaf minnesotensis Hall and Clarke. Sphxrocoryphe major Ruedemann. Spyroccras bilineatum (Hall). Spyroceras subannulatum (Hall). Streptclasma corniculum Hall. Thalcops ovata Conrad. Tretaspis diadcmata Ruedemann. Tretaspis re ticulatus Ruedemann. Triplecia nucleus Hall. Trochonema umbilicatum (Hall). Whitella ventricosa (Hall). Zitteloceras hallianum (D'Orbigny). Zygospira exigua (Hall). Zygospira recurvirostris Hall. TRENTON (SNAKE HILL) OF EASTERN NEW YORK. Archinacella orbiculata (Hall). Azygograptus? campanulata Nicholson. Calymene senaria Conrad. Carabocrinus radiatus Billings. Chaunograptus rcctilinea Ruedemann. Clathrospira subconica Hall. Clidophorus foerstei Ruedemann. Clidophorus ventricosus Ruedemann. Climacograptus caudatus Lapworth. Climacograptus ( Mcsograptus) putillus Hall. Climacograptus sharenbergi Lapworth. Climacograptus spiniferus Ruedemann. Clitambonitcs diversus (Shaler). Conularia trentonensis multicosta Ruederaann. Corynoidcs calicularis Nicholson. Corynoides curtus Lapworth. Corynoides curtus comma Ruedemann. Corynoides gracilis Hopkinson. Cryptolithus tessellatus (Greene). Cryptograptus tricornis insectiformis Ruedemann. Ctenobolbina ciliata (Emmons). Ctenobolbina ciliata cornuta Ruedemann. Ctenobolhira subrotunda Ruedemann. Ctenodonta declivis Ruedemann. Ctenodonta levata (Hall). Ctenodonta prosseri Ruedemann. Ctenodonta radiata Ruedemann. Ctenodonta recta Ruedemann. Ctenodonta subcuneata Ruedemann. Cuneamya acutifron* Ulrich. Cyclonema cushingi Ruedemann. Cyclonema montrcalcnse Billings. Cyclospira bisukata (Emmons). Dalmanella testudinaria (Dalman.) Dicranograptus nicholsoni Hopkinson. Dinorthis (Plxsiomys) retrorsa (Salter). Diplograptus (Glyptograptus) amplexkaulis Hall. Diplograptus amplexkaulis pcrtenuis Ruedemann. Discophyllum peltatum Hall. Edrioaster saratogcnsis Ruedemann. Eoharpes ottawaensis (Billings). Eopolychxtus albaniensis Ruedemann. Glossograptus (Orthograptus) quadrimucronatus mut. pertenuis Hall. Heterocrinus? gracilis Hall. Isotelus gigas DeKay. Lasiograptus ( Thysanograptus') eucharis (Hall). Lepidocoleus jamesi (Hall and Whitfleld). Leptobolus insignis Hall. Lingula curta Conrad. Lophospira uniangulata abbreviata (Hall). Lyrodesma schucherti Ruedemann. Odontopleura trentonensis Hall. FAUISTAL LISTS. 1469 Orthoceras lineolatum (Hall). Orthoceras tenuitextum (Hall). Orthodcsma subcarinatum Ruedemann. Pachydictya acuta (Hall). Palcschara ulrichi Ruedemann. Parastrophia hcmiplicata Hall. Pholidops trentonensis Hall. Platystrophia biforata, var. (Schlotheim) Plectambonites sericeus (Sowerby). Plectorthis plicatella Hall. Pleurotomaria lenticulari-s (Hall). Pollicipcs siluricus Ruedemann. Pontobdellopsis comcta Ruedemann. Proetus undulostriatus (Hall). Pterotheca canaliculata (Hall). Pterygometopus callicephalus (Hall). Rafinesquina alternata (Emmons). Rhynchotrema increbesccns Hall. Schizocrania filosa Hall. Schizocrinus nodosus Hall. Sinuites cancellatus (Hall). Solenomya? insperata Ruedemann. Spyroccras bilineatum (Hall). Technophorus cancellatus Ruedemann. Triarthrus becki Green. Tunilepasf filosus Ruedemann. Whiteavesia cincta Ruedemann. Whiteavesia cumingsi Ruedemann. Whitella elongata Ruedemann. Zygospira recurvirostris (Hall). TRENTON (SCHENECTADY) OF EAST CENTRAL NEW YORK. Climacograptus typicalis Hall. Conularia trentonensis multicosta Ruedemann. Cyptolithus tesselatus (Greene). Dalmanella testudinaria (Dalnian). Dictyonema multiramosum Ruedemann. Diplograptus vespertinus (Ruedemann). Dolichoptcrus frarikfortensis Clarke and Ruedemann. Dolichopterus latifrons Clarke and Ruedemann. Eurypterus megalops Clarke and Ruedemann. Eurypterus pristinus Clarke and Ruedemann. Eurypterus? (Dolichopterus) stellatus Clarke and Ruedemann. Eusarcus longiceps Clarke and Ruedemann. Eusarcus triangulatus Clarke and Ruedemami. Hughmilleria magna Clarke and Ruedemann. Isotelus gigas Dekay. Lasiograptus ( Thysanograptus) cucharis (Hall). Leptobolus insignis Hall. Lingula (Pseudolingula) rcctilatcralis Emmons. Mastigograptus simplex Walcott. Plectorthis plicatella Hall. Pterygotus (Eusarcus?) nasutus Clarke and Ruede- mann. Pterygotus proliflcus Clarke and Ruedemann. Rafinesquina ulrichi James. Saffordia ulrichi Ruedemann. Sphcnophycus latifolius (Hall). Spyroceras bilineatum (Hall). Stylonurus? limbatus Clarke and Ruedemann. Tseniaster schoharix Ruedemann. Triarthus becki Green. Trocholites ammonius Conrad. TRENTON (MACASTY) OF ANTICOSTI ISLAND, QUEBEC. Climacograptus spiniferus Ruedmann. Climacograptus typicalis magnificus Twenhofel. Leptobolus insignis Hall. Triarthrus becki macastyensis Twenhofel. MOHAWKIAN (jACKSONBURG) OF NEW JERSEY. (Species with * are from Black River portion; rest are of Trenton age.) Amphilichas trentonensis (Hall). Archinacella patelliformis (Hall). Sucania punctifrons Emmons. Bumastus milleri (Billings). Calymene senaria Conrad. *Camarella inornata Weller. *Ceraurus plcurexanthemus Green. Chasmatopora fenestrata (Hall). Cleidophorus neglectus Hall. Conularia trentonensis Hall. Cryptolithus tesselatus Green. *Ctenodonta jersey ens is Weller. *Ctenodonta na$uta (Hall). Cyphaspis trentonensis Weller. Cyrtodonta billingsi Ulrich. Cyrtodonta canadensis Billings. Cyrtolitcs ornatus minor Ulrich and Scofleld. Dalmanella testudinaria (Dalman). Dinorthis pcctinella (Emmons). Eccyliomphalus trentonensis (Conrad). Encrinurus trentonensis Walcott. Eoharpcs ottawaensis (Billings). Ooniophora carinatus (Hall). Hindia parva Ulrich. Hormotoma salteri Ulrich. Isotelus gigas Dekay. *Leperditia fabulites (Conrad). Lingula riciniformis Hall. Liospira micula (Hall). Lophospira medialis Urrich and Scofleld. *Lophospira oweni Ukich and Scofield. Modiolopsis depressa Weller. Modiolopsis faba (Conrad). * Modiolopsis jersey ensis Weller. Nyctopora billingsi Nichols. Orbiculoidea lamcllosa (Hall). *0rthis tricenaria Conrad. Orthoceras tenuistriatum (Hall). Orthodesma canaliculatum Ukich. Parastrophia hemiplicata (Hall). Pianodema subacquata Conrad. Platystrophia biforata var. (Schlotheim). Plectambonites sericeus (Sowerby). Plectorthis plicatella (Hall). Prasopora simulatrix Ulrich. Proetus brcvimarginatus Weller. Proetus latimarginatus Weller. Protowarthia cancellata (Hall). *Pseudosphercxochus trentonensis Clarko. Pteryometopus callicephalus (Hall). *Pterygometopus inter medius (Walcott). *Ptychopyge jcrseyensis Weller. Rafinesquina alternata (Emmons). *Raphistoma peracuta Ukich and Scofleld. Rhychotrcma increbescens (Hall). *Romingeriaf trentonensis Weller. *Scenidium anthoncnsis Sardeson. 1470 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Schizocrania filosa (Hall). Solenopora compacta Billings. Streptelasma corniculum Hall. Strophomcna incurvata (Shepard). Tetranota b'idorsata (Hall). WJiitdla subtruncata (Hall). Zygospira recurvirostris (Hall). MOHAWKIAN OF BAFFIN LAND. (This list probably includes some Richmond species.) Bdlerophon similis Ulrich and Scofield. Calapoecia anticostiensis Billings. Ceraurus pleurexanthemus Green. Clathrospira conica Ulrich and Scofield. Ctenodonta baffinensis Schuchert. Ctenodonta carpenteri Schuchert. Ctenodonta frobisJierensis Schuchert. Ctenodonta subnasuta Ulrich. Cycloceras olorus baffinensis Schuchert. Cyrtoceras baffinensis Schuchert. Cyrtoceras cornulum Schuchert. Cyrtoceras manitobense Whiteaves. Cyrtodonta gibbera Ulrich. Cyrtodonta sillimanensis Schuchert. Dalmanella testudinaria (Dalman). Dinorthis meedsi Winchell and Schuchert. Dinorthis meedsi arctica (Schuchert). Endoceras proteiforme (Hall). Eurystomites plicatus Whiteaves. Fusispira inflata (Meek and Worthen). Fmispira nobilis Ulrich and Scofield. Halysites gracilis (Hall). Hebertella bellirugosa (Conrad). Hebertella borealis (Billings). Holopea arctica Schuchert. Illxnus americanus (Billings). Ischadites iowensis (Owen). Isotelus gigas Dekay. Kdkenia costalis Ulrich and Scofield. Lichenocrinus affinis Miller. Liospira americana (Billings). Liospira larvata (Salter). Lophospira spironema Ulrich and Scofield. Lyellia affinis (Billings). Madurites crassus (Ulrich and Scofield). Maclurina cuneata (Whitfield). Maclurina manitobensis (Whiteaves). Modiolodon arctica Schuchert. Nilcus vigilans (Meek and Worthen). Oncoceras arcticum Schuchert. Oncoceras exiguum (Billings). Oncoceras tumidum Schuchert. Orth is tricenaria Conrad. Orthoceras porter i Schuchert. Orthoceras scalariformis Schuchert. Parastrophia hemiplicata Hall. Plasmopora lambii Schuchert. Plectorthis plicatella (Hall). Porocrinus shawi Schuchert. Pterygometopus goodridgii Schuchert. Receptaculites oweni Hall. Ehynchotrema incrcbescens (Hall). Saffordia modesta Ulrich. Seelya(f) ulrichi Schuchert. Sinuites pervolutus Ulrich and Scofield. Spyroceras bilineatum (Hall). Streptelasma corniculum Hall. Tetranota obsoleta Ulrich and Scofield. Trochonema(Eunema)robbinsiU1iich and Scofield. Trochoncma umbilicatum (Hall). Vanuxemia abrupta Ulrich. Vanuxcmia baffinensis Schuchert. Whitcavesia symmetrica Schuchert. Whitella arctica Schuchert. CINCINNATIAN (UTICA) OF NEW YORK, ETC. (See also Eden fauna, Fulton division.) Asaphus latimarginatus Hall. Buthotrephis ramulosa Miller. Buthotrcphis subnodosa (Hall). Callograptus compactus (Walcott). Cornulites immaturus Hall. Cryptoliihus tessellatus Green. Ctenodonta nuculiformis (Hall). Cyathophycus rcticulatus Walcott. Cyathophycus(?) walcotti (RaufT). Dicranograptus nicholsoni Hopkinson. Dis'cophycus typicalis Walcott. EcMnognaihus clevelandi (Walcott). Elpe radiata (Ulrich). Lasiograptus bimucronatus timidus Ruedemann. Leptobolus insignis Hall. Lcptograptus annectans (Walcott). Leptograptus flaccidus (Hall). Lingula (Pseudolingula) rcctilatcralis (Emmons). Mastigograptus simplex (Walcott). Mastigograptus tcnuiramosus (Walcott). Mesopalseastcr(?) lanceolatus Schuchert. Orthoceras coralliferum Hall. Orthoceras oncidaense Walcott. Pleurograptus linear is (Carruthers). Pterinea insucta (Emrnons). Schizocrania filosa (Hall). Triarthrus becki Green. Whiteavesia cancellata (Walcott). Zygospira modesta (Say). CINCINNATIAN (EDEN) OF APPALACHIAN AND OHIO VALLEYS. (Economy=E.; Southgate=S.; McMicken=M.; In- dian Ladder= L; Fulton (Utica)=F.; Frank- fort=Fr.) Alepidaster fimbriatus (Ulrich). (E.) Amplcxopora persimilis Nickles. (E.) Amplexopora petasiformis (Nicholson). (E. , S. , M.) Amplexopora petasiformis welchi (James). (E., S., M.) Amplexopora septosa (Ulrich). (M.) Aparchites minutissimus (Hall). (E., S., M.) Archinacella patelliformis (Hall). (E., S., M.) Arthraria biclavata Miller. (E., S., M.) A rthropora clcavelandi ( James) . ( E . , S. , M. ) Arthrostylus tennis (James). (E., S., M., I.) Asaphoidichnus dycri Miller. (E.) Asaphoidichnus trifidus Miller. (E.) Asaphus gigas Dekay. (E., S., M.) Asaphus maximus Locke. (E., S., M.) Aspidopora arcolata Ulrich. (F.) Aspidopora eccentrica (James). (S.) A spidopora new berry i ( Nicholson) . ( F. , E . ) Atactopora angular is Ulrich aad Bassler. (E.) Atactopora hirsuta Ulrich. (E., S., M.) Atactopora intermedia Cumings and Galloway. (M.) FAUNAL LISTS. 1471 Atactoporella newportensis Ulrich. (E.) Atactopordln typicalis Ulrich. (E.) Batostoma implicatum (Nicholson). (E., S., M.) Batostoma jamcsi (Nicholson). (E., S., M.) Bcrenicea vesiculosa Ulrich. (M.) Blastophycus diadematum Miller and Dyer. (E.) Bollia persulcata (Ulrich). (M.) Buthotrephis ramulosus Miller. (F.) ByssonycJiia vera Ulrich. (E., S., M.) Bythocypris cylindica (Hall). (F., E., S., M.) Bythopora arctipora (Nicholson). (E., S. M.) Bythopora parvula (James). (M.) Calymene granulosa (Foerste). (E., S., M., I.) Ceramoporclla distincta Ulrich. (E., S., M.) Ceramoporella granulosa milfordensis (James) . ( E . , S., M.) Ceramoporella ohioensis (Nicholson). (E., S., M.) Ceramoporella triloba Cumings and Galloway. (M. ) Ceramoporella tubulosa Cumings and Galloway. (M.) Ceratocephala cincinnatiensis (Meek). (E., S., M.) Ceratopsis chambersi (Miller). (F., E., S., M., I.) Chasmotopora variolata (Ulrich). (M.) ' Chaunograptus gemmatus Ruedemann. (E.) Chlcephycus plumosum Miller and Dyer. Clidopliorus cllipticus (Ulrich). (E.) Clidophorus fabula (Hall). (F., E., S., M.) Clidopliorus planulatus (Conrad). (E., S., M.) Climacograptus putillus (Hall). (F.) Climacograptus typicalis (Hall). (F., E., S., M., Fr.) Calodema alternatum (James). (M.) Ccelodema commune (Ulrich). (E., S.) Constellaria florida prominens Ulrich. (M.) Corynotrypa delicatula (James). (E., S., M.) Crania albersi Miller and Faber. (E.) Crania dyeri Miller. (E.) Crania scabiosa Hall. (E., S., M.) Crania socialis Ulrich. Crepipora? solida Ulrich. (E.) Crepipora venusta (Ulrich). (E.) Cryptolithus bellulus (Ulrich). (E., I.) Cryptolithus tessellatus Green. (F., E., S., M., Fr.) Ctenobolbina alata Ulrich. (M.) Ctenobolbina bispinosa Ulrich. (M.) Ctenobolbina ciliata (Emmons). (E., S., M.) Ctenobolbina curta (Ulrich). (M.) Ctenodonta filistriata Ulrich. (E., S.) Ctenodonta obliqua (Hall). (F., E., S., M.) Ctenodonta pectunculoides (Hall). (E., S.) Ctenodonta perminuta Ulrich. (E., S., M.) Cuneamya parva Miller. (S.) Cycloconcha mediocardinalis Miller. (S.) Cydoconcha ovata Ulrich. (S.) Cyclora depressa Ulrich. (F., E., S., M.) Cydora Jioffmani Miller. (F., E., S., M.) Cydora minuta Hall. (F., E., S., M.) Cydora parvula Hall. (F., E., S., M.) Cymatonota productifrons Ulrich. (E.) Cyrtoceras magister Miller. (S.) Cyrtoceras ventricosum Miller. (S.) Cyrtolites carinatus Miller. (S.) Dactylophycus quadripartitum Miller and Dyer. (E.) Dactylophycus tridigitatum Miller and Dyer. (E.) Dalmanella emacerata (Hall). (F., E., S.) Dalmanella emacerata brcvicula (Foerste). (S.) Dalmanella fultonensis Foerste. (F.) Dalmanella multisecta (Meek). (E., S., M., I.) Dekayella obscura Ulrich. (M.) Deliayella ulridii (Nicholson). (E., S., M.) Dekayia maculata James. (M.) Dcndrocrinus navigiolum Miller. (F.) Dcrmatostroma scabrum (James). (E., S., M.) Dicranellaf byrnesi (Miller). (F.) Dictyonema arbusculum (Ulrich). (I., S.) Discina sublamellosa Ulrich. (E.) Ectenocrinus grandis (Meek). (E., S., M.) Ectenocrinus simplex (Hall). (E., S., M.) Elpe radiata (Ulrich). (F.) Eotrophonia setigera Uhrich. (E.) Escharopora acuminata (James). (E., S., M.) Fusispira terebriformis Hall. (E.) Glyptocrinusf patter soni Miller. (E.) Hallopora nodulosa (Nicholson). (M.) Hallopora onealli (James). (E., I.) Hallopora onealli communis (James). (E., S., M.) Hallopora onealli sigillaroides . (Nicholson). (E., S., M.) Hemiphragma wMtfieldi (James). (E., S.) Heterocrinus exilis Hall. (E., S., M.) Heterocrinus exilis exiguus (Meek). Heterocrinus? geniculata Ulrich. (F.) Heterocrinus Jieterodactylus Hall. (E., S., M.) Heterocrinus Jieterodactylus propinquus Meek. (E. S., M.) Homotrypa curvata praecipta Bassler. (S.) Homotrypa glabra Cumings and Galloway. (M.) Hormotoma gracilis (Hall). locrinus subcrassus (Meek and Worthen). Jonesella crepidiformis (Ulrich). (E., S.) Jonesella pedigera Ulrich. (E.) Lepidocoleus jamesi (Hall). (E., S., M., I.) Lepidolites dicUauti Ulrich. (S.) Leptxna gibbosa (James). (E.) Leptxna gibbosa invenusta Foerste. (F. or E.) Leptobolus insignia Hall. (F., Fr.) Leptotrypa cortex Ulrich. (E.) Lichenocrinus crateriformis Hall. (S., M.) Lichcnocrinus dubius Miller. (E.) Lingula bisulcata Ulrich. (E.) Liospira micula (Hall). (E., S., M.) LopJiospira bicincta (Hall). Lophospira (fSeelya) lirata Ulrich. (E., S.) Lophospira (fSeelya) lirata obsoleta Ulrich. (E., S.), LopJiospira tenuistriata Ulrich. (S.) LopJiospira tropidophora (Meek). (E., S., M.) Lyrodesma cincinnatiense Hall. (E.) Lyrodesma conradi Ulrich. (S.) Mastigograptus gracillimus (Lesquereux). (E., S., M.) Merocrinus curtus (Ulrich). (F.) Mesopalxaster find (Ukich). (F.) Mesopalseaster proavitus Schuchert. (E.) Microceras inornatum (Hall). (E., S., M.) Modiolopsis angustata Uhrich. (S.) Modiolopsis parva Ulrich. (S.) Modiolopsis simulatrix Ulrich. (S.) Modiolopsis subtruncata Ulrich. (E.) Monotrypa subglobosa (Ulrich). (E.) Monotrypella xqualis Ukich. (E.) Nereidavus varians Grinnell. (E., S., M.) Odontopleura crossota (Locke). (E., S., M., I.) Orbiculoidea tenuistriata (Ulrich). (E., Fr.) 1472 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Ormathichnus monttijormis Miller. (E.) Orthoceras ortoni Meek. (S.) Orthoceras transvcrsum Miller. (E., S., M.) Orthodesma occidental Miller. (S.) Palxophycus flexuosum James. Pcroiiopora vera Ulricli. (E., S., M.) PetalicJinus multipartitus Miller. (E.) Pholidops cincinnatiensis Hall. (E., S., M.) Placentula inornate Ulrich. (E.) Plectambonites centricarinatus Ruedemann. (I.) Plectambonites plicatellus (Ulrich). (F., I.) Plectambonites rugosus (Meek). (E., S., M.) Primitia centralis Ulrich. (F., E., S., M.) Primitia rudis Ulrich. (E.) Primitiella claypolei (UMch). (F.) Primitiella unicornis (Ulrich). (F.) Primitiella whitfieldi (Jones). (F.) Proboscina confusa (Nicholson). (E., S., M.) Proetus spurlock i Meek . ( E . , S . ) Protoscolex covingtoncnsis Ulrich. (E.) Protoscolcx magnus Miller and Faber. (F.) Protoscolex ornatus Ulrich. (E.) Protoscolex simplex Ulrich. (E.) Protoscolex tennis Ulrich. (E.) Protostigma sigillaroides Lesquereux. (M.) Psiloconcha minima Ulrich. (S.) Psiloconcha tenuistriata Ulrich. (E.) Pterinea mucronata Ukich. (E.) Rafinesquina alternata (Conrad). Rafinesquina squamula (James). (S., M.) Rafinesquina ulrichi (James). (E., I.) Rhinidictya parallela (James). (E.) Rhombodictyon globosum James. Rhytimya radiata Ulrich. (S.) Rusophycus asperum Miller and Dyer. (E.) Rusophycus carleyi (James). Serpulites dissolutus Billings. (E., S., M.) Scolithus dispar James. (E.) Sinuites cancellatus (Hall). (E., S., M.) Sinuites globular is (Miller and Faber). Sinuites granistriatus (Ukich). (S.) Sinuites planodorsatus (Ulrich). (S.) SpJienopJiyllum primacvum Lesquereux. Stictoporella flexuosa (James). (E.) Stigmatella clavis (UMch). (E., M.) Stigmatella nana Ulrich and Bassler. (E.) Streptaster reversata Foerste. (S.) Stromatopora arachnoidca (Hall). (E., S., M.) Strophomena hallie (Miller). (E.) Strophomena millionensis Foerste. Technophorus cincinnatiensis Miller and Faber. ( E ) Tcchnophorus yoldiajormis Ukich. (E.) Teratichnus con/ertus Miller. (E.) Tetranota obsoleta Ukich and Scofield. Trachomatichnus cincinnatiensis Miller. (E . ) Trachomatichnus numerosus Miller. (E.) Trachomatichnus pcrmultus Miller. (E.) Trematis milkpunctata Hall. (E., S., M.) Triarthrus becki Green. (F., Fr.) Trichophycus sulcatum Miller and Dyer. (E.) Trocholites minusculus Miller and Dyer. (S.) Trochonema (Eunema) nitidum Ulrich. (S.) Ulrichia nodosa (Ukich). (F., E., S., M.) Walcottia sulcata James. (E.) Zygospira modesta Hall. (E., S.. M.) CINCrNNATIAN (MAYSVILLE) OF OHIO VALLEY, NEV YORK, AND CANADA. (Mount Hope =H.; Fakmount=F.; Bellevue=B.; Corryville=C.; Mount Auburn=A.; Leipers=L.; Pulaski=P.) Actinoccras crcbriseptum (Hall). (P.) Agelacrinitcs cincinnatiensis (Roemer). (F.,B.,C.) Agelacrinites Tiolbrodki (James). (C?) Agelacrinites pileus (Hall). (C.) Agelacrinites warrenensis (James). (F.) A lepidaster flexuosus (Miller and Dyer). Allonychia jamesi(M.eok'). (C.) Allonychia ovata Ulrich. (F.) Allonychia subrotunda Ukich. (C.) Amphilichas Jialli (Foerste). (C.) Amplexopora ampla Ukich and Bassler. (L., F.) Amplexopora cingulata Ukich. (F.) Amplexopora columbiana Ukich and Bassler. (L.) Amplexopora? discoidea (Nicholson). (F.) Amplexopora filiosa (D'Orbigny). (F., B., C.) Amplexopora robusta Ukich. (B.) Amplexopora septosa Ukich. (H., F.) Anomalocrinus caponijormis (Lyon). (C) Anomalocrinus incurvus (Meek and Worthen). (F.) Anomalodonta plicata Ukich. (C.) Anomaloides reticulata Ukich. (H.) Aparchites minutissimus (Hall). (H.,F.,B.,C.,A., L.) Arabellites aciculatus James. (F.) Arabellites ascialis Hinde. (P.) Arabellites cervicornis (Hinde). (P.) A rabellites cornutus Hinde. ( P.) Arabellites crenulatus Hinde. (P.) Arabellites cristatus Hinde. (P.) A rabellites cuspidatus Hinde. (P.) Arabellites gibbosus Hinde. (P.) A rabellites hamatus Hinde. (P.) Arabellites hindei James. (P.) Arabellites lunatus Hinde. (P., H.) Arabellites? obliquus Hinde. (P.) Arabellites ovalis Hinde. (P.) A rabellites pectinatus Hinde. ( P.) Arabellites quadratus Hinde. (P., H.) Arabellites rectus Hinde. (P.) Arabellites scutellatus Hinde. (P.) A rchinacella pulaskicns is Foerste. (P.) Arihraria biclavata Miller. (H., F., B., C.A, .) Arthropora cincinnatiensis (James). (H.) Arthropora shaffcri (Meek). Ataclopora hirsuta Ukich. (F.) Atactopora maculata Ulrich. (F.) Atactoporella multigranosa (Ulrich). (F., B., C.) Atactoporella mundula (Ulrich). (F.) Atactoporella ortoni (Nicholson). (B., C.) A tactoporella. tenella (Ukich). (F.) Ateleocystites balanoides (Meek). (C.) Arthrostylus curtus (Ulrich). (II.) Batostoma maysvillense Nickles. (H.) Bcllerophon capax Ulrich. (F.) Bellerophon cincinnatiensis Miller and Faber. Bellerophon gorbyi Miller. Bellerophon rccurvus Ukich. (C.) Bcilerophon rugosus Emmons. (P.) Bcrcnicca primitiva Ulrich. FAUNAL LISTS. 1473 Bollia persukata (Ulrich). (H., F., B., C., A.) Brachiospongia Ixvis Foerste. (H.) Bucanopsis carinifera Ulrich. (F.) Buthotrephis subnodosa Hall. (P.) Byssonychia acutirostris Ulrich. (F.) Byssonychia alveolate Ukich. (C.) Byssonychia carinata (Goldfuss). (P.) Byssonychia imbricata Ukich. (C.) Byssonychia przecursa Ukich. (F., P.) Byssonychia radiata (Hall). (H., F., B., C., A.) Byssonychia retrorsa (Miller). (F.) Byssonychia walkerensis Grabau. (Ba.) Bythocypris cylindrica Hall. (II., F., B., C., A.) Bythopora dendrina (James). (F., C.) Bythopora gradlis (Nicholson). (F., B., C., A.) Calymene meeki Foerste. Ceramoporella distincta Ulrich. (H., F.) Ceramoporella granulosa Ulrich. (F., B., C., A.) Ceramoporella ohioensis (Nicholson). (F., B., C., A.) Ceramoporella whitci (James). (F., B., C.) Ceratocephala anclioralis (Miller). Ceratocephala ccralepta Anthony. Ceratopsis oculifera (Hall). (C.) Ceraurus milleranus Miller and Gurley. (C.) Chasmatopora clathrata (Miller and Dyer). (F.) ChiloporellaflabellataVlrich. (C.) Clathrospira conica Ukich and Scofleld. (F.) Clidophorus fabula Hall. (H., F., B., C., A.) Clidophorus planulatus (Conrad). (P.) Clidophorus prxvolutus Foerste. (P.) Cceloclema oweni (James). (A.) Colpomya faba pusilla Foerste. (P.) Constellaria florida Ulrich. (F.) Constellaria florida prominens Ulrich. (F.) Constellaria plana Ukich. (F.) Conularia formosa Miller and Dyer. Conularia hudsoni Emmons. (P.) Cornulites conicus (Nicholson). Cornulites corrugatus (Nicholson). Cornulites flexuosus Hall. Cornulites minor (Nicholson). Corynotrypa delicatula (James). (H., F., B., C., A.) Corynotrypa inflata (Hall). (B., C., A.) Crania Ixlia Hall. (H., F., B., C., A.) Crania scabiosa Hall. (H., F., B., C., A.) Crepipora impressa Ulrich. (F.) Crepipora simulans Ukich. (F.) Cryptolithus tessellatus (Greene). Ctenobolbina duryi (Miller). (C., A.) Ctenodonta lorrainensis Foerste. (P.) Ctenodonta obliqua (Hall). (H., F., B., C., A.) Ctenodonta pectenculoides (Hall). (H., F.) Ctenodonta perminuta Ukich. (A., F., B., C.) Cuneamya coriformis Miller. (C.) Cuneamya elliptica Miller. (C.) Cuneamya scapha brevior Foersto. (P.) Cyclocystoides bellulus Miller and Dyer. (F.) Cyclocystoides cincinnaticnsis Miller and Faber . ( C . ) Cyclocystoides magnus Miller and Dyer. Cyclocystoides nitidus Faber. (C.) Cyclonema gracile Ukich. (H.) Cyclonema gracile striatulum Ukich. (H.) Cyclonema humerosum Ukich. (B., C., A.) Cyclonema inflatum Ukich. (F.) Cyclonema (fHolopea) limatum Ukich. (F.) Cyclonema mediale Ukich. (F.) Cyclonema pyramidatum James. (F.) Cyclonema simulans Ukich. (C.) Cyclonema sublseve Ukich. (H.) Cyclonema transversum Ukich. F. Cyclora depressa Ukich. (H., F., B., C., A.) Cyclora hoffmanni Miller. (H., F., B., C., A.) Cyclora minuta Hall. (H., F., B., C., A.) Cyclora parvula (Hall). (H., F., B., C., A.) Cylindroccelia covingtonensis Ulrich. (F.) Cymatonota lenior Foerste. (P.) Cymatonota parallela (Hall). (P.) Cymatonota pholadis (Conrad). (F., P.) Cymatonota recta Ulrich. (B., C.) Cyphotrypa semipilaris (Ukich). (F.) Cyrtoceras conoidale Wetherby. (F. L.) Cyrtoceras vallandinghami Miller. (F., L.) Cyrtolites ornatus Conrad. (H., F., B., C., A., P.) Dalmanella centrilineata (Hall). (P.) Dalmanella jairmountensis Foerste. (B.) Dekayia apprcssa Ukich. (C.) Dekayia aspera Milne-Edwards and Haime. (F.) Dekayia magna Cumings. (B.) - Dekayia multispinosa Ulrich. (C.) Dekayia pelliculata Ulrich. (F.) Dendrocrinus cincinnatiensis (Meek). (F.) Dermatostroma papillatum (James). (H., F., B., C.,A.) Dermatostroma papillatum diversum Parks. (C.) Dermatostroma scabrum (James). (H., F., B., C.,A.) Dicranopora emacerata (Nicholson). (H., F.) Dicranopora internodia (Miller and Dyer). (F.) Dicranopora meeki (James). (H.) Diplograptus hudsonicus Nicholson. (P.) Discotrypa elegans (Ukich). (F.) Distacodus incurvus (Pander). (P.) Drepanodus arcuatus Pander. (P.) Dycria costata (James). (C.) Dystactophycus mamillanum Miller and Dyer. (C-) Dystactospongia insolens Miller. (F.) Ectenocrinus grandis (Meek). (H., F.) Ectenocrinus simplex (Hall). (F.) Elpe cincinnatiensis (Meek). (C.) Elpe inegularis (Miller). (C.) Endoceras arcuatum (J. F. James). Eridonychia apicalis Ulrich. (F.) Eridonychia paucicostata Ulrich. (F.) Escharopora faldformis (Nicholson). (H., F., L.) Escharopora hilli (James). Eschar opora maculata ( Ulrich ) . ( F . ) Escharopora pavonia (D'Orbigny). (F., L.) Eunicites contortus Hinde. ( P. ) Eunicites? digilatus Hinde. (P.) Eun kites gradlis Hinde. ( P. ) Eunicites major Hinde. (P.) Eunicites perdentatus Hinde. (P.) Eunicites simplex Hinde. (P., H.) Eurymya alata (Ulrich). (F.) Faberia anomala Miller. Glycerites sulcatus Hinde. (P.) Olycerites sulcatus excavatus Hinde. (P.) Olyptocrinus decadactylus Hall. (F.) Glyptocrinus dycri Meek. (C.) Glyptocrinus dyeri sublsevis Miller. (C.) Glyptocrinus subglobosus (Meek). (C.) 1474 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Oomphoceras cincinnatiense Miller. (C.) Gomphoccras faberi Miller. (C.) Hallopora andrewsi (Nicholson). (B., C.) Hallopora dalei (Milne-Edwards and Haime). (H., F.,L.) Hallopora ramosa (D'Orbigny). (B., C., A.) Hallopora rugosa (Milne-Edwards and Haime). (B.,C.,A.) Hallopora subpla.ua (Ulrich). (H., F.) Ildxrtclla (Glyptorthis) crispata (Emmons). (P.) Ilcbcrtclla occidcntalis Hall. Hebertdla occiderttalis sinuata Hall. HcUopliycus stelllforme Miller and Dyer. (F.) Hemicystites ( Cystastcr') granulatus Hall. (F.) Hemicystitcs stellatus Hall. (F.) Heterocrinus juven is Hall. (C . ) Heterocrinus pentagonus Ulrich. (C.) Hetcronemaf contextum Ulrich and Bassler. (C.) Heterotrypafrondosa D'Orbigny. (M.) Heterotrypa inflecta Ulrich. (C.) Heterotrypa lobata (Cumings). (F.) Heterotrypa paupera (Ulrich). (C.) Heterotrypa solitaria Ulrich. (F.) Heterotrypa subfrondosa (Cumings). (F.) Heterotrypa subpulchella (Nicholson). (F.) Hindia gregaria (Miller and Dyer). Homotrypa alta Cumings and Galloway. (H., F.) Homotrypa cincinnatiensis Bassler. (F.)' Homotrypa curvata Ulrich. (F.) Homotrypa dumosa Bassler. (F.) Homotrypa flabellaris spinifera Bassler. (F.) Homotrypa grandis Bassler. (L.) Homotrypa obliqua Ulrich. (F., B., C.) Homotrypa pulchra Bassler. (A.) Homotrypa spinca Cumings and Galloway. (H. F.) Homotrypella dubia (Cumings and Galloway) . ( B . ) Homotrypella nodosa Ulrich and Bassler. (L.) Hudsonaster incomptus Meek. (C . ) locrinus subcrassus (Meek and Worthen). Ischadites circularis (Emmons). IscJiyrodonta unionoides (Meek). (B.) Isotelus gigas Dekay. Isotelus maximus Locke. Lepidocoleus jamesi (Hall and Whitfleld). (H., F., B.,C.,A,L.,P.) Leptopoterion mammiferum Ukich. (C.) Leptotrypa cakeola (Miller and Dyer). "(C.) Leptotrypa clavacoidea (James). (C.) Leptotrypa minima Ulrich. (B.) Leptotrypa ornata Ulrich. (C.) Lichcnocrinus dyeri Hall. (C.) Licrophycus flabellum Miller and Dyer. (C.) Lingula cincinnatiensis Hall and Whitfield. (F.) Lophospira abbreviata (Hall). (P.) Lophospira bicincta (Hall). Lophospira bowdeni (Safford). Lophospira tropidophora (Meek). Lumbriconereites dactylodus Hinde. (H.) Lyrodesma grande Ulrich. (B.) Lyrodesma inornatum Ulrich. (F.) Lyrodesma major (Ulrich). (C.) Lyrodesma planum Conrad. (P.) Lyrodesma poststriatum (Emmons). (P.) Mastigograptus gracillimus (Lesquereux). (F.) Mesopalssaster intermedium Schuchert. Mcsopalxaster shafferi (Hall). (F.) Microccras inornatum Hall. (H., F., B., C., A.) Microccras minutissimum Ulrich. (F.) Modiolodon obtusus Ulrich. (B.) Modiolodon postriatus Foerste. (P.) Modiolodon truncatus (Hall). (F., B., C., P.) Modiolopsis faberi Miller. (F.) Modiolopsis longa Miller and Faber. (F.) Modiolopsis? ( Colpomya?) milleri Ulrich. (F.) Modiolopsis modiolaris (Conrad). (F., P.) Modiolopsis postplicata, Foerste. (P.) Modiolopsis sinuata (Emmons). (P.) Modiolopsis subparallela Ulrich. (F.) Modiolopsis? terminalis Hall. Monticulipora cincinnatiensis (James). (C ) Monticulipora mammulata (D'Orbigny). (F.) Monticulipora molesta Nicholson. (B., L.) Nereidavus varians Grinnell. Nicholsonella vaupeli (Ukich). (B.) Oenonites? carinatus Hinde. (P.) Oenonites cuneatus Hinde. (P.) Oenonites curvidcns Hinde. (P.) Oenonites inxgualis Hinde. (P.) Oenonites rostratus Hinde. (P.) Oenonites serratus Hinde. (P.) Ohiocrinus compactus (Meek). (C.) Ohiocrinus constrictus (Hall). (C.) Ohiocrinus laxus (Hall) (F.) Opisthoptera ampla Ulrich. (F.) Opisthoptera notabilis Ulrich. (F.) Orthis(f) pumila Ulrich. (C.) Orthoceras byrnesi Miller. (F.) Orthoceras cincinnatiense Miller. (F.) Orthoceras dycri Miller. (C.) Orthoceras harperi Miller. (C.) Orthoceras lamellosum Hall. (P.) Orthoceras meeki Miller. (F.) Orthoceras turbidum Hall and Whitfield. (F.) Orthodesma approximatum Foerste. (P.) Orthodesma contractum (Hall). Orthodesma nasutum (Conrad). (P.) Orthodesma parvum Ulrich. (C.) Orthodesma prolatum Foerste. (P.) Orthodesma pulaskiense Foerste. (P.) Orthonotclla faberi Miller. (F.) Orthorhynchula linneyi (James). (L., F.) Pasceolus claudei Miller. (B.) Pasceolus darwini Miller. (B.) Patter sonia diffidlis Miller. (C.) Pattersonia tuberosa (Beecher). (B.) Pattersonia ulrichi Rauff. (C.) Peronopora compressa (Ulrich). (B., C., A.) Peronopora decipicns (Rominger). (B., C., A.) Peronopora vera Ulrich. (H., F.) Petigopora asperula Ulrich. (B.) Petigopora gregaria Ulrich. (F., B., C.) Petigopora petechialis (Nicholson). (F., B., C., A Petrasterf americanus (D'Orbigny). (F.) Pholidops cincinnatiensis Hall. (H., F.) Pholidops subtruncata Hall. (P.) Phragmolites bcllulus (Ulrich). (F.) Phragmolites elegans (Miller). (C.) Physetomya acuminata Ulrich. (F.) • Pianodema bellula (Meek). (F.) Placcntula marginata Ulrich. (C.) Platystrophia acuminata (James). (A.) Platystrophia crassa (James). (F., B., C.) Platystrophia cypha (James). (B.) FAUNAL LISTS. 1475 Platystrophia laticosta (Meek). (F., B., C.) Platystrophia morrowcnsis (James). (C.) Platystrophia pauciplicata (Cumings). (F.) Platystrophia ponderosa Foerste. (M., B., C., A.) Platystrophia ponderosa auburnensis Foerste. (A.) Platystrophia ponderosa stcvensoni Grabau. (Ba.) Platystrophia profundosulcata (Meek). (F., H.) Platystrophia unicostata Cumings. (B.) Plcctorthis sequivalvis (Hall). (F.) Plectorthis xquivalvis latior Foersto. (F.) Plcctorthis sequivalvis pervagata Foerste. (F.) Plectorthis (Encuclodcma) crassiplicata (Foerste). (F.) Plectorthis fissicosta (Hall). (F.) Plectorthis fissicosta triplicatella (Meek). (F.) Plectorthis jamesi (Hall). (C.) Plectorthis neglecta (James). (H.) Plectorthis plicatella (Hall). (F.) Plectorthis (Encuclodcma) scctostriata (Ulrich). (F.) Plectorthis sordida (Hall). (F.) Plectorthis sordida multiplicata Foerste. (F.) Polygnathus wilsoni James. (C.) Primitia centralis Ulrich. Prioniodus dychei James. (C.) Prioniodus elegans Pander. (P.) Prioniodus furcatus Hinde. (P.) Prioniodus? politus Hinde. (P.) Proboscina auloporoides (Nicholson). (B., C., A.) Proboscinafrondosa (Nicholson). (B., C., A.) Proetus parviusculus Hall. (C.) Promopalxaster dyeri (Meek). (F.) Promopalseaster spedosus (Meek). Protowarthia cancellata Hall. (H., F., B., C.) Psiloconcha inornata Ulrich. (B., P.) Psiloconcha sinuata Ulrich. (B.) Psiloconcha sinuata borealis Foerste. (P.) Psiloconcha subovalis (Ulrich). (B., P.) Psilonychia pcrangulata Ulrich. (C.) Pterinea cincinnaticnsis Miller and Faber. (F.) Pterinca (Caritodens) demissa (Conrad). (P., H., F., B., C., A.) Pterinea insueta (Emmons). Pterinea rugatula Miller and Faber. (F.) Pterotheca pentagona Foerste. (P.) Pterygometopus carleyi (Meek). (F.) Pterygometopus microps (Green). Ptychocrinus parvus Hall. (F.) Pyanomya faberi miler. (F.) Pyanomya gibbosa Miller. (F.) Pycnocrinus germanus (Miller). (C.) Pycnocrinus shafferi (Miller). (C.) Pyrcnomozus decipiens Ulrich. (C.) Rafincsquina altcrnata (Conrad). (H., F., B., C.,A.) Rafinesquina altcrnata altcrnistriata (Hall). Rafincsquina altcrnata fracta (Meek). (F., B., C.) Rafinesquina alternata ponderosa Ulrich. (B.) Rafinesquina mucronata Foerste. (P.) Rafinesquina nasuta (Conrad). (P., C.) Rafinesquina squamula (James). (F.) Raphistoma halli (Miller). (F.) Rhytimya compressa Ulrich. (F.) Rhytimya convexa Ulrich. (F., C?) Rhytimya mickleboroughi (Whitfield). (F., C?) Rhytimya munda (Miller and Faber). (C.) Rhytimya cehana Ulrich. (P., F.) Rhytimya producta Ulrich. (F.) Rhytimya scaphula (Miller and Faber). (F.) Rusophycus bilobatus Vanuxem. Rusophycus pudicum Hall. Schizambon? lockei Winchell and Schuchert. (F.) Schizocrania filosa Hall. (F., B., C.) Schizolopha moorei Ulrich. (H., F., B., C., A., L., P.) Scolithus tuberosus Miller and Dyer. (H.) Sedgwickia? compressa Meek. (F.) Seelya mundula Ulrich. (F.) Serpulitcs dissolutus Billings. (H., F., B., C., A., L., P.) Spatiopora aspera Ulrich. (B.) Spatiopora lincata Ulrich. (B.) Spatiopora maculosa Ulrich. (C.) Spatiopora tuberculata (Milne-Edwards and Ilaime) (F., C.) Sphenolium faberi Miller. Sphenophyllum primxvum Lesquereux. Spirorbis cindnnatiensis Miller and Dyer. Spirorbis? lovelandensis James. Stigmatella alcicornis Cumings and Galloway (F.) Stigmatella dychei (James). (A.) Stigmatellairregularis (Ulrich). (B.) Stigmatella nicklesi Ulrich and Bassler. (F.) Stigmatella sessilis Cumings and Galloway. (F.) Stomatopora arachnoidea (Hall). (H., F., B., C., A., L., P.) Streptaster vorticellatus (Hall). (F., C.) Stromatocerium huronense australe Parks. (L.) Strophomena maysvillensis Foerste. (F., H.) Strophomena planoconvexa Hall. (F.) Strophomena sinuata James. (F.) Technophorus faberi Miller. (F.) Technophorus punctostriatus Ulrich. (F.) Technophorus punctostriatus quincuncialis Foerste. (P.) Tetradium fibratum Saflford. (L.) Trematis crassipuncta Ulrich. (F.) Trematis(f) dyeri Miller. (F.) Trematis millepunctata Hall. (H., F., B., C., A.) Trematis oblata Ulrich. (F.) Trematis umbonata Ulrich. (C.) Trichophycus lanosum Miller and Dyer. (C.) Trichophycus silurianum (James). (C.) Trichophycus venosum Miller. (F.) Trocholites circularis Miller and Dyer. Trocholites dyeri Hyatt. Trocholites planorbiformis Conrad. (P.) Ulrkhia nodosa (Ulrich). (H., F., B., C., A.) Vinella radialis Ulrich. (C.) Walcottiaf cookana Miller and Dyer. (C.) Walcottia rugosa Miller and Dyer. (F.) Witeavesia chamblicnsis (Foerste). (P.) Whiteavesia corrugata (Miller and Faber). (C.) Whitcavcsia pholadiformis (Hall). (P.) Witeavcsia pholadiformis divaricata (Foerste). (P.) WitcHa complanata Foerste. (P.) Whitflla goniumbonata Foerste. (P.) Whitella hindi Foerste. (P.) Whit tlla securifor mis Foerste. (P.) Zygospira cindnnatiensis Meek. (H., F.) Zygospiraf crratica (Hall). (P.) Zygospira modcsta Hall. (H., F., B., C., A.) 1476 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. ORDOVICIAN OF SOUTH AMERICA. Agnostus bolivianus Hoek. Arcaft gradlis Hoek. Arethusina argentina Kayser. Bathyurusft darwini Kayser. Bathyurus? lajensis Kayser. Bathyurusf orbignyanus Kayser. Bistramia elcgans Hoek. Boliviano, bipcnnis Salter. Boliviano, mdocactus Salter. Boliviano, proboscidea Salter. Calymcne calliccphala Green. Calymene diops Green. Cruziana cucurbita Salter. Cruziana furcifera D'Orbigny. Cruziana. unduavi Salter. Cryptolithus bolivicnsis Lake. Cryptolithus "kruegeri (Hoek). Dictyonema murrayi tarijense Hoek. Hemigyraspis liquensis (Hoek). Homalonotus? bistrami Hoek. Illxnus argentinus (Kayser). Lcptxna(f) stelzncri Kayser. Lingula boliviano Hoek. Lingula ellipsiformis Hoek. Lingula inornata Hoek. Lingula lineata Hoek. Maclurites avellanedx (Kayser). Maclurites sarmienti (Kayser). Megalaspsisf amcricana Hoek. Megalaspsis braclcenbuschi Kayser. Megalaspsis? mataccnsis Hoek. Monticulipora? argentina Kayser. Ortliis calligramma Kayser. Orthis disparilis (Kayser). Orthisf saltensis Kayser. Orthis vcspertilio Sowerby. Orthoceras bolivianum Hoek. Parabolinella andina Hoek. Parabolinopsis mariana Hoek. Pizarroa quichu'ana Hoek. Pterygomctopus saltensis Kayser. Strophomena(f) talacastensis Kayser. Thysanopyge argentina Kayser. Tunarria cochambambina Hoek. ORDOVICIAN (MISCELLANEOUS). (Exact horizon unknown.) Asaphus? astragolotes Green. Bellerophon allegoricus White. (Utah.) Dinorthis fontalis (White). (Utah.) Girvandla antiqua Dawson. (Quebec.) Isotelus cyclops Green. (N. Y.) Labyrinthites chidlensis Lambe. (Arctic America.) Myrianites murchisoni Emmons. (Me.) Myrianites sillimani Emmons. (Me.) Nemapodia tenuissima Emmons. (N. Y.) Nereitcs dewcyi Emmous. (Me.) Nereitcs gracilis Emmons. (Me.) Nereitcs jacksoni Emmons. (Me.) Nereites lanccolatus Emmons. (Me.) Nereites loomisi Emmons. (Me.) Nireites pugnus Emmons. (Me.) Nereites robustus (Emmons). (N. Y.) Nidulitcsfavus Salter. (Quebec City.) Oldhamia ( Murchisonites) occidcns (Walcott) . (N. Y.) Orthoceras goldfussi (Troost). (Tenn.) Primitia mundula effussa Jones. (Quebec City.) Reccptaculites arcticus Etheridge. (Arctic Amer- ica.) SILURIAN FAUNAS. RICHMOND OF AREAS ADJACENT TO CINCINNATI AXIS. (Arnheini=A.; Waynes ville=W.; Liberty=L.; White\vater=Wh.; Elkhorn=E.) Agclacrinites austini (Foerste). (W.) Agelacrinites faberi (Miller). (W.) A lepidastcr granulifcrus ( Meek ) . ( R . ) Alcpidastcr miamiensis (Miller). (W. or L.) A mplcxoporagranulosa Cumings and Galloway. ( L.) Amplcxopora pumila Cumings and Galloway. (L.) A mplcxopora pustulosa Ulr ich . ( W . ) Anomalodonta alata (Meek). (A., W.) Anomalodonta casei (Meek and Worthen). (Wh.) Anomalodonta costata (Meek). (A., W.) Anomalodonta gigantea Miller. (W.) Anoptera miseneri Ulr ich. (W.) Anorthaster miamiensis Schuchert. (W. or L.) Aparchites minutissimus (Hall). (A., W., L., Wh., E.) Aparchites oblongus Ulrich. (A.) A r obeli ites procursus Foerste. ( E . ) Archinacella indianensis (Miller). (Wh?) Archinacella richmondensis Ulrich. (Wh.) Archinacella rugatina Ulrich. (A.) Arctinurus harrisi (Miller). (L.) Arthraria biclavata Miller. (A., W., L., Wh., E.) Atactopora angularis Ulrich and Bassler. (W.) Atactoporella schucherti Ulrich. (W., Wh.) Batostoma prosseri Cumings and Galloway. (W., L.) Batostoma variable (Ulrich). (W., E.) Batostoma varians (James). (A.) Beatricea nodulifera Foerste. (L.) Beatricea nodulifera intermedia Foerste. (L.) Beatricea nodulosa Billings. Beatricea undulata Billings. Beatricea undulata cylindrica Foerste. (L., E.) Bellerophon mohri Miller. (Wh.) Bellerophon subangularis Ulrich. (Wh.) Berenicea primitiva Ulrich. (A., W.) Beyrichia parallela (Ulrich). (Wh.) Beyrichia tumida (Ulrich). (A. or W.) Bodmania insuetum Miller and Faber. (Wh.) Bollia persulcata (Uh-ich). (A., W., L., Wh., E.) Bollia pumila Ulrich. (W.) Bollia regularis (Emmons). (A.) Brachiospongia tuberculata James. (L.) Bucania crassa Ulrich. (E.) Bucania simulatrix Ulrich. (W.) Buthotrephis gracilis Hall. (A., W., L., Wh., E.) Buthotrephis gracilis crassa Hall. (A., W., L., Wh., E.) Byssonychia cultrata Ulrich. (W.) Byssonychia grandis Ulrich. (W.) Byssonychia obesa Ulrich. (Wh.) Byssonychia radiata (Hall). Byssonychia richmondensis Ulrich. (Wh.) Byssonychia robusta (Miller). (Wh.) Byssonychia subrccta Ulrich. (W.) Byssonychia tenuistriata Ulrich. (Wh.) Bythocypris cylindrica (Hall). (A., W., L., Wh., E.) FAUNAL LISTS. 1477 Bythopora delicatula (Nicholson). (W., L.) Bythopora meeki (James). (W.) Bythopora striata Ulrich. (A., W.) Calapoecia cribriformis (Nicholson). (W., L., Wh.» E.) Calloporella circularis (James). (W.) Calymene meeld Foerste. (A., W., L., Wh., E.) Calymene mecki rctrorsa Foerste. (W.) Cameroceras inxquabile (Miller). (W.) Catazyga hcadi schuchertana (Ulrich). (W.) Ceramoporella granulosa Ulrich. (A.) Ceramoporclla ohioensis (Nicholson). (A., W., L., Wh., E.) Ceramoporella whitei James. (A.) Ceratopsis robusta (Ulrich). (W., L., Wh., E.) Ceraurinus icarus (Billings). Ceraurus miseneri Foerste. (Wh.) Chasmops brcviceps (Hall). (W., L.) Clidophorusfaberi Miller. Clidophorusfabula (Hall). Clionychia excavata Ulrich. (Wh.) Coleolus iowensis James. (A., W., L., Wh., E.) Columnaria alvcolata Goldfuss. (W., L., Wh., E.) Columnaria calicina Nicholson. Columnaria vacua Foerste. (W., L., Wh., E.) Compsocrinus harrisi (Miller). (L.) Compsocrinus miamiensis (Miller). (L.) Conocardium riclimondensis Foerste. (E.) Constellaria limitaris (Ulrich). (W., Wh.) Constellaria polystomella Niclolson. (W., Wh., E.) Conularia formosa Miller and Dyer. (W., Wh.) Corallidomus concentricus Whitfield. (L.) Cornulitcs richmondensis (Miller). (Wh.) Corynotrypa delicatula (James). (A., W., L., Wh., E.) Corynotrypa inflata (Hall). (A., W., L., W., E.) Crania Ixlia Hall. (A., W., L., Wh., E.) Crania scabiosa Hall. (A., W., L., Wh., E.) Ctenobolbina hammelli (Miller and Faber). (W.) Ctenodonta albertina Ulrich. (W.) Ctenodonta cingulata (Ulrich). (A.) Ctenodonta? hilli (Miller). (Wh.) Ctenodonta madisonensis Ulrich. - (A.) Ctenodonta recurva (Ulrich.) Ctenodonta similis (Ulrich). (W.) Cuneamya curia Whitfield. (W.) Cuneamya miamiensis Hall and Whitfield. (W.) Cuneamya neglecta (Meek). (W.) Cuneamya scapha Hall and Whitfield. (W.) Cupulocrinus polydactylus (Shumard). (W., L., Wh.) Cycloconcha millcri (Meek). (W.) Cyclocystoides magnus Miller and Dyer. (W.) Cyclocystoides minus Miller and Dyer. (W.) Cyclocystoides mundulus Miller and Dyer. (W.) Cyclocystoides parvus Miller and Dyer. (W.) Cyclonema bilix (Conrad). (A., Wh.) Cyclonema bilix fluctuatum (James). (A., W.) Cyclora dcprcssa Ulrich. (A., W., L., Wh., E.) Cyclora hoffmani Miller. (A., W., L., Wh., E.) Cyclora minuta Hall. (A., W., L., Wh , E ) Cyclora parvula (Hall). (A., W., L., Wh., E.) Cyclora pulcella Miller. (A., W.) Cymatonota attenuata Ulrich. (W.) Cymatonota constricta Ulrich. (W., A.) Cymatonota cylindrica (Miller and Faber). (W., A.) Cymatonota semistriata Ulrich. (W.) Cymatonota typicalis Ulrich. (W.) Cyphoirijpa stidhami (Ulrich). (Wh. or E.) Cyphotrypa wilmingtonensis Ulrich and Bassler. (F.) Cyrtoceras amcenum Miller. (Wh.) Cyrtocerasfaberi J. F. James. (W.) Cyrtoceras hitzi Foerste. (Wh., S.) Cyrtoceras irregulare Wetherby. (W.) Cyrtoceras tenuiseptum Faber. (W.) Crytoceras thompsoni Miller. Cyrtocerina madisonensrs Miller. (Wh., S.) Cyrtodonta cuneata (Miller). (Wh.) Cyrtodonta halli (Nettelroth). Cyrtolites ornatus Conrad. (W.) Dalmanella meeld (Miller). (A., W., L., Wh., E.) Dawsonoceras hammelli (Foerste). (Wh., S,. E.) Dendrocrinus caduceus (Hall). (W., L.) Dendrocrinus casei Meek. (Wh.) Dendrocrinus erraticus Miller. (W.) Dendrocrinus posticus (Hall). (W., L.) Dermatostroma canaliculatum Parks. (W.) Dermatostroma corrugatum (Foerste). (Wh). Dermatostroma glyptum (Foerste). (Wh.) Dermatostroma papillatum (James). (W., L., Wh., E.) Dermatostroma scabrum (James). Dicranopora emacerata (Nicholson). Dinorthis carleyi (Hall). (A.) Dinorthis carleyi insolens Foerste. (W.) Dinorthis subquadrata (Hall). (Wh.) Drepanella richardsoni (Miller). (Wh.) Dystactospongia madisonensis Foerste. (Wh., S.) Dystactospongia minima Ulrich. (W.) Entomis madisonensis Ulrich. (Wh., S.) Eridonychia crenata Ulrich. (W.) Eridotrypa simulatrix (UWch). (W.) Eunicites con finis Foerste. (E.) Eunicites falcatus Foerste. (E.) Eunicites paululus Foerste. (E.) Eurychilina? striatomarginata (Miller). (Wh., S.) Faberia anomala Miller. Fenestella granulosa Whitfield. (W., Wh.) Girvanella richmondensis (Miller). (Wh.) Glyptocrinus? fornshelli Miller. (W.) Glyptocrinus? richardsoni Wetherby. Gomphoceras eos Hall and Whitfield. (Wh?) Gomphoceras indianense Miller and Faber. (W.) Graptodictya perelegans (Ulrich). (W., L.) Gyroceras baeri (Meek and Worthen). (L.) Halloporafrondosa (Cumings). (Wh.) Ilallopora subnodosa (Ulrich). (W.) Hcbertella alveata Foerste. (L., Wh.) Hebertella alveata richmondensis Foerste. (Wh.) Hebertella (Glyptorthis) insculpta (Hall). (W.) Hebertella occidentalis Hall. (A., W., L., Wh., E.) Hcbertella occidentalis sinuata Hall. Helcionopsis striata Ulrich. (Wh.) Helicotoma marginata Ulrich. (Wh.) Hclopora elegans Ulrich. (Wh.) Hdopora harrisi James. (W., L.) Heterospongia aspera Ulrich. (A.) Heterospongia knotti Ulrich. (A.) Heterospongia subramosa Ulrich. (A.) Heterotrypa microsligma Cumings and Galloway. (W.) Heterotrypa subramosa (Ulrich). (W.) Heterotrypa subramosa prolifica Ulrich. (W.) Holopea hubbardi Miller. (Wh., S.) Holopea oxfordensis Ulrich. (W.) 1478 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. Homotrypa austini Bassler. (Wh.) Homotrypa bassleri Nickles. (A.) Homotrypa communis Bassler. (W.) Homotrypa cylindrica Bassler. (Wh.) Homotrypa dawsoni (Nicholson). (W.) Homotrypa flabellaris Ulrich. (A., W., L., Wh., E.) Homotrypa flabellaris frondosa Bassler. ( A. ) Homotrypa flabellaris spinifera Bassler. (Wh.) Homotrypa libana Bassler. (A.) Homotrypa nicklesi Bassler. . Homotrypa nodulosa Bassler. (Wh.) Homotrypa ramulosa Bassler. (Wh.) Homotrypa richmondensis Bassler. '(Wh.) Homotrypa wortheni (James). (Wh.) Homotrypa wortheni intercellata Bassler. (Wh.) Homotrypa wortheni prominens Bassler. (E.) Homotrypella dubia (Cumings and Galloway). (A.) Homotrypella -hospitalis (Nicholson). (W., L., Wh., E.) Hudsonaster incomptus Meek. IIyolithes(?) dubius Miller and Faber. Hyolithes parviusculus Hall. Hyolithes versaillesemis Miller and Faber. locrinus subcrassus Meek and Worthen. (W.) Ischyrodonta dedpiens Ulrich. (E.) Ischyrodonta elongata Ulrich. (Wh.) Ischyrodonta miseneri Ulrich. (Wh.) Ischyrodonta modioliformis Ulrich. (Wh.) Ischyrodonta ovalis Ulrich. (Wh.) Ischyrodonta truncata Ulrich. (Wh.) Isotelus gigas Dekay. Isotelus megistos Locke. Jonesella digitata Ulrich. (A.) Labechia subcylindrica (James). W.) Lepadocystis moorei (Meek). (Wh.) Leperditella glabra (Ulrich). (Wh.) Leperditia cxcigena Miller. (Wh., S.) Leptsena richmondensis Foerste. Lept&na richmondensis precursor Foerste. (A.) Lichenocrinus affinis Miller. (W.) Lichenocrinus tuberculatus Miller. (Wh.) Lingula vanhorni Miller. (W.) Lioclemella subfusiformis (James). (W.) Liospira rugata Ulrich. (A.) Lophospira acuminata Ulrich. (Wh.) Lophospira ampla Ulrich. (Wh?) Lophospira bidncta (Hall). Lophospira bowdeni Safford. (A., W., L., Wh., E.) Lophospira hammelli (Miller). (Wh., S.) Lophospira perlamellosa Ulrich. (W.) Lophospira pulchella Ulrich and Scofield. Lophospira tropidophora (Meek). (A., W., L., Wh., E.) Lumbriconereites austini Foerste. (E.) Lyrodesma major (Ulrich). (W.) Megalograptus welchi Miller. (L.) Mesopalseaster shafttri (Hall). (W.) Mesopalseaster wilberanus (Meek and Worthen). Mesotrypa orbiculata Cumings and Galloway. ( A. ) Mesotrypa patella (Ulrich). (Wh.) Microccras inornatum Hall. (A., W., L., Wh., E.) Modiolodon declivis Ulrich. (Wh.) Modiolodon subovalis Ulrich. (A., W.) Modiolodon subrectus Ulrich. (Wh.) Modiolopsis capax Miller. Modiolopsis concentrica Hall and Whitfleld. (W.) Modiolopsis valida Ulrich. (W.) Modiolopsis versaillescnsis Miller. (W.) Monticulipora ckavelandi James. (Wh.) Monticulipora epidermata Ulrich and Scofield. (Wh.) Monticulipora Isevis Ulrich. (Wh.) Monticulipora Isevis consimilis Ulrich. (Wh.) Monticulipora parasitica Ulrich. (Wh.) Nerddavus varians Grinnell. (A., W., L., Wh.) Nicholsonella peculiaris Cumings and Galloway. (A.) Odontopleura onealli (Miller). (W.) CEnonites dedpiens Foerste. (E.) Opisthoptera alternata Ulrich. (W.) Opisthoptera casei (Meek and Worthen). (Wh.) Opisthoptera concordensis Foerste. (A.) Opisthoptera extenuata Ulrich. (W.) Opisthoptera fissicosta (Meek). (W.) Opisthoptera laticostata Ulrich. (W.) Opisthoptera obliqua Ulrich. (Wh.) Orthoceras carleyi Hall and Whitfield. (?W.) Orthoceras duseri Hall and Whitfield. (W.) Orthoceras gorbyi Miller. Orthoceras hallanum Miller. (W.) Orthoceras (Ormoceras?) hitzi Foerste. (Wh., S.) Orthoceras mohri Miller. (A.) Orthodcsma canaliculatum Ulrich. Orthodesma curvatum (Hall and Whitfield). (W.) Orthodesma rectum Hall and Whitfield. (W.) Orthodesma subangulatum Ulrich. (Wh.) Ortonella hainesi (Miller). (Wh.) Oxydiscus magnus (Miller). (Wh?) Pachydictya fenestelliformis (Nicholson). (W., L.) Paleschara beani (James). (W.) Pasceolus camdenensis Foerste. Peronopora dedpiens (Rominger). (A., E.) Petigopora offula Ulrich and Bassler. (A.) Petraster spedosus (Miller and Dyer). Phragmolites dyeri (Hall). (W.) Platystrophia acutilirata (Conrad). (Wh.) Platystrophia acutilirata prolongata Foerste. (Wh.) Platystrophia acutilirata senex (Cumings). (Wh.) Platystrophia annieana Foerste. (W.) Platystrophia clarksvillensis Foerste. (W., L.) Platystrophia cypha conradi Foerste. (A.) Platystrophia cypha versaillesensis Foerste. (W.,L.) Platystrophia laticosta (Meek). (W.) Platystrophia moritura (Cumings). (E.) Platystrophia wallotvayi Foerste. (A.) Plectambonites rugosus clarksvillensis Foerste. (W.) Plectorthis (Austinella) scovilld (Miller). (W.) Plethospira striata Ulrich. (W.) Primitia dndnnatiensis (Miller). (A., W.) Primitia lativia Ulrich. (Wh.) Primitia medialis Ulrich. (W?) Primitia milleri Ulrich. (W.) Probosdna auloporoides (Nicholson). Probosdna frondosa (Nicholson). (A., W.) Promopalseaster bellulus Schuchert. (W.) Promopalccaster exculptus (Miller). (W. or L.) Promopal&aster granulosus (Hall). Promopalxaster magnificus (Miller). (W. or L.) Promopalseastcr spinulosus (Miller and Dyer). ( W. Promopalxaster wykofli (Miller and Gurley). Protarxa richmondensis Foerste. (W., L., Wh., E.) Protarxa richmondensis papillata Foerste. (Wh.) Protostigma sigillaroides Lesquereux. Psiloconcha elliptica Ulrich. (W.) FAUNAL LISTS. 1479 Psiloconcha grandis Ulrich. (W.) Psiloconcha subrecta Ulricli. (W.) Pterinea corrugata (James). (W.) Pterinea ( Caritodens) demissa (Conrad). (A., W., L., Wh., E.) Pterinea subquadrata James. (W.) Ptilodictya flagellum Nicholson. (L.) Ptilodictya magnified Miller. (Wh.) Ptilodictya nodosa James. (L., Wh.) Ptilodictya plumaria James. (Wh.) Rafinesquina alternata Conrad var. (A., W., L. Wh., E.) Raphistoma richmondense UMch. (Wh.) Reteocrinus magnificus Miller. (W.) Reteocrinus nealli (Hall). (W., L.) Rhaphanocrinus sculptus (Miller). (L.) Rhinidictya lata (UMch). (W.) Rhombotrypa quadrata (Rominger). (W., L., Wh. E.) Rhombotrypa subquadrata (Ulrich). (W.) RTiopalonaria venosa Ulrich. (A., W.) Rhynchotrema capax (Conrad). (W., L., Wh., E.) Rhynchotrema dentatum Hall. (Wh.) Rhynchotrema dentatum arnheimense Foerste. (A.) Rhynchotrema perlamellosum (Whitfield). (W., L., Wh., E.) Rhytimya byrnesi (Miller). (W., Wh.) Rhytimyafaberi (Miller). Rhytimya lunulata (Whitfield). Rusophycus biloba Vanuxem. (A., W., L., Wh., E.) Salpingostoma richmondense Ulrich. (Wh.) Schizolopha moorei Ulrich. (W., Wh.) Schuchertia laiata Schuchert. (W.) Scolithus delicatulus James. Sinuites cancellata (Hall). (A., W., L., Wh., E.) Sinuites subcompressus (UMch). (W.) Spatiopora corticans (Nicholson). (W.) Spatiopora montifera Ulrich. (W.) Spatiopora tuber culata (Milne-Edwards and Hairne). (W.) Sphenolium cuneiforme (Miller). (W.) Sphenolium richmondense Miller. (Wh.) Stigmatella catenulata Cumings and Galloway. (A.) Stigmatella crenulata Ulrich and Bassler. (W.) Stigmatella incrustans Cumings and Galloway. (L.) Stigmatella interporosa Ulrich and Bassler. (W.) Stigmatella personata Ulrich and Bassler. (W.) Stigmatella spinosa Ulrich and Bassler. (W.) Streptaster septembrachiatus (Miller and Dyer). (L.,E.) Streptelasma dispandum Foerste. (W.) Streptelasma divaricans (Nicholson). ( W., L., Wh.) StreptelasmOjdivaricansangustatum Foerste. (Wh.) Streptelasma insolitum Foerste. (Wh.) Streptelasma rusticum Billings. (W., L., Wh., E.) Streptospongia labyrinthica Ulrich . ( A . ) Stromatoccrium huronense (Billings). Stromatocerium montiferum (Ulrich). (Wh., S.) Stromphomena concordensis Foerste. (A., W.) Strophomena neglecta (James). (W.) Strophomena nutans Meek. (W.) Strophomena planumbona (Hall). (W., L.) Strophomena planumbona elongata (James). (W.) Strophomena planumbona gerontica Foerste. (W.) Strophomena planumbona subtenta(H&\\). ( W . , L . ) Strophomena sulcata (Verneuil). (W., L., Wh.) Strophomena vetusta (James). (W., Wh.) Strophomena vetusta approximata (James). (L. or Wh.) Strophomena vetusta precursor Foerste. (W.) Synhomalonotus christyi (Hall). (W.) Tseniaster elegans Miller-. (W. or L.) Tanaocrinus typus Wachsmuth and Springer. (W. orL.) Tetradella lunatifera (UMch). (W., L., Wh., E.) Tetradella}quadnlirata (Hall [and Whitfield). (W. L., Wh., E.) Tetradella simplex (UMch). (W., L., Wh., E.) Tetradiumapproximatum Ulrich. (W., L., Wh.,E.) Trematis millepunctata Hall. (A., W., L., Wh., E.) Trematis quincuncialis Miller and Dyer. (W.) Trematis reticularis (Miller). Trochonema madisonense Ulrich. (Wh., S.) Ulrichia nodosa (Ulrich). (A., W., L., Wh., E.) Urasterella grandis (Meek). Whiteavesia pholadiformis (Hall). (W.) Whitella obliqua Ulrich. (W.) Whitetta ohioensis Ukich. (W.) Whitella quadrangularis (Whitfield). (W.) Whitella subovata Ulrich. (AY.) Whitella umbonata Ulrich. (W.) Xenocrinus bacri (Meek). (L.) Xenocrinus pcnicillus Miller. (L.) Zygospira Icentuckiensis James. (W.) Zygospira modesta Hall. (A., W., L., Wh., E.) RICHMOND (MAQUOKETA) OF UPPER MISSISSIPPI VALLEY. (Maquoketa is here used in a broad sense for the Richmond shales of the Upper Mississippi Val- ley.) Ambonychia illinoisensis Worthen. Amphilichas bicornis (Ulrich). Amphilichas clermontensis Slocom. Amphilichas rhinoceros Slocom. Anaphragma mirabile Ulrich and Bassler. Aparchites fimbriatus (Ulrich). Archinacella rotunda Ulrich and Scofield. Batostoma? rugosum (Whitfield). Batostoma varians (James). Bellerophon lirata Hall. Bellerophon patcrsoni Hall. Bumastus beckcri Slocom. Byssonychia tenuistriata Ulrich. Calloporellaf lens (Whitfield). Calloporellaf nodulosa UMch. Calymene faycttensis Slocom. Calymene gracilis Slocom. Calymene mammillata Hall. Ccramoporellaf irregularis (Whitfield). Ceramoporclla stellata Ulrich. Ccraurus elgincnsis Slocom. Clidophorus neglcctus Hall. Ctimacograptus putillus (Hall). Climacograptus ulrichi Ruedemann. Constellaria polystomella Nicholson. Constellaria punctata (Whitfield). Colcolus iowensis James. Cornulitcs sterlingensis (Meek and Worthen). Corynotrypa abrupta Bassler. Corynotrypa curia Bassler. Corynotrypa medialis Bassler. Crepipora hemispherica Ulrich. 1480 BULLETIN" 92, UNITED STATES NATIONAL MUSEUM. Ctenobolbina emaciata (Ukich). Ctenodonta calvini Ukich. Ctenodonta fecunda (Hall). Ctenodonta simulatrix Ulrich. Cybeloides iowensis Slocom.* Cycloceras perroti (Clarke). Cyrtoceras whitneyi Hall. Cyrtodonta grandis luculenta (Sardeson). Cyrtolites conradi Hall. Cyrtolites disjunctus Ulrich and Scofield. Dalmanella corpulenta (Sardeson). Dalmanella futilis (Sardeson). Dalmanella ignota (Sardeson). DalmaneUa macrior (Sardeson). Dalmanella porrecta (Sardeson). Dendrocrinus angustatus (Meek and Worthen). Dendrocrinus oswegoensis Meek and Worthen. Dicranopora fragilis (BUlings). Dinorthis proavita (Winchell and Schuchert). Diplograptus peosta Hall. Encrinurus cristatus Clarke. Encrinurus pcrnodosus Slocom. Endoceras bristolense Miller. Endoceras egani Miller. Eurydictya sterlingensis Ulrich. Fcnestella granulosa Whitfield. Halysites gracilis Hall. Hormotoma gracilis multivolvis Ulrich and Scofield. Homotrypella rustica Ulrich. Hyolithcs parviusculus (Hall). locrinus crassus (Meek and Worthen). Isotelus iowensis (Owen). Leptsena unicostata (Meek and Worthen). Leptobolus occidcntalis Hall. Lingula bcltrami Winchell and Schuchert. Lingula (Palxoglossa) deflecta ( Winchell and Schu- chert). Lingula philomela Billings. Lingulasma schucherti Ulrich. Lingulops whitfieldi Hall. Liockmella annulifera (Whitfleld). Lioclemella fusiformis (Whitfield). Lioclemella nitida (Ukich). Liockmella solidissima (Whitfield). Lophospira acuminata Ulrich and Scofield. Lopliospira quadrisulcata Ulrich and Scofield. Meckospira subconica Ukich and Scofield. Megalaspis bcckeri Slocom. Modiolopsis excellens Ukich. Monotrypa? nodosa Ulrich. Nileus vigilans (Meek and Worthen). Onchometopus susx (Whitfield). OrbicuMdea lamcllosa (Hall). Orthoceras sociale Hall. PlatystropJiia acutilirata (Conrad). Plectambonites precosis (Sardeson). Plectambonites recedens (Sardeson). Plectambonites saxeus (Sardeson). PlectortJiis (Austinella) whitfieldi (N. II. Winchell). Pkthotpira semele (Hall). Pkurotomaria (? Lophospira') depaupcrata Hall. Porocrinus crassus Meek and Worthen. Primitia dorsicornis (Ukich). Primitia gibbcra Ulrich. Primitia imprcssa Ukich. Primitia tumidula Ukich. Ptcrygometopus fredricki Slocom. Pterymetopus larrabeei Slocom. Rafincsquina kingi (Whitfield). Rhynchotrema neenah (Whitfield). Saffordia siilcodorsata (Ulrich). Saffordia ventralis Ulrich. Salpingostoma imbricatum Ulrich and Scofleld. Schizotreta minutula Winchell and Schuchert. Schizotreta pelopea (Billings). Sinuitcs concinna (Ulrich and Scofield). Spatiopora iowensis Ulrich. Sph&rocoryphe maquoketensis Slocom. Strophomena acuta (Winchell and Schuchert). S)rophomena cardinalis (Whitfield). Strophomena fluctuosa occidentalis Foerste. Strophomena ncglccta (James). Strophomena planodorsata Winchell and Schuchert. Strophomena wisconsincnsis Whitfield. Tcntaculites oswegoensis Meek and Worthen. Thaleops ovata Conrad. Trematis(?) pustulosa Hall. Tremaloporaf? granulata Whitfield. Triplecia ulrichi Winchell and Schuchert. Whitella obliqua Ulrich. Whitella quadrangularis (Whitfield). IVhitella sterlingensis (Meek and Worthen). RICHMOND (FEKNVALE) OF ILLINOIS, TENNESSEE, MISSOURI, ARKANSAS, AND OKLAHOMA. Anolotichia ponderosa Ulrich. Arthroclema angular e Ulrich. Constellaria parva Ulrich. Constellaria polystomella Nicholson. Corynotrypa turgida (Ulrich). Crepipora hemispherica Ulrich. Cyphotrypa wilmingtonensis Ulrich and Bassler. Dalmanella tersa (Sardeson). Dekayella singularis (Ulrich). Dinorthis subquadrata (Hall). Diplotrypa? dubia Ulrich. Eurydktya monlifera Ulrich. Favositella epidermata (Ulrich). Helopora imbricata Ulrich. Hemiphragma imperfectum (Ulrich). Heterotrypa affinis (Ulrich). Homotrypa gelasinosa Ulrich. Homotrypa splendens Bassler. Homotrypella contexta Ulrich. Lingulasma schucherti Ulrich. Lingulops cliftonensis Foerste. Lioclema wilmingtonense Ulrich. Nicholsonella peculiaris Cumings and Galloway. Orbignyella lamellosa (Ulrich). Pachydictyafencstelliformis corticula Ulrich. Pachydictya? firma Ulrich. Pachydktya gigantea Ulrich. Pachydictya? splendens Ulrich. Parastrophia divcrgcns Hall and Clarke. Phxnopora wilmingtonensis Ulrich. PlatystropJiia, acutilirata (Conrad). Plcctorthis (Austinella) kankakensis (McChesney). Protocrisina exigua Ulrich. Ptilodictya magnifica Miller. Ptilotrypa obliquata Ulrich. Rhombotrypa crassimuralis (Ulrich). , Rhombotrypa quadrata (Rominger). Rhynchotrema manniense Foerste. Rhynchotrema perlamellosum (Whitfield). Sinuites cancellata (Hall). Strophomena planodorsata Winchel) and Schuchert. FAUNAL LISTS. 1481 RICHMOND OF ISLAND OF ANTICOSTI, QUEBEC. (English Head=E.; Charleton=C.) Actinoceras antkostiense Billings. (E., C.) Actinoceras fulger (Billings). (C.) Actinoceras sedgwkki (Billings). (E., C.) Aparchites minutissimus (Hall). (C.) Apsidoceras magnificum (Billings). (C.) A rchinacella estella (Billings). (E .) Arthroclema angulare Ulrich. (E.,C.) Ascoceras newbcrryi Billings. (E., C.) Beatricea nodulosa Billings. (C.) Bcatrkea undulata Billings. (C.) Bellerophon misera Billings. (E .) Bellerophon solitarius Billings. (E .) Beyrichia parallela (Ulrich). (C.) Billingsites canadensis (Billings). (E ., C.) Bollia semilunata Jones. (E., C.) Brachyaspis alacer (Billings). (C.) Brachyaspis altilis Raymond. (E., C.) Brachyaspis notans (Billings). (E.) Bumastus orbkaudatus (Billings). (E ., C.) Bythocypris cylindrica (Hall). (E., C.) Bythocyprisf lindstrcemi Jones. (E., C.) Bythocyprisf obtusa Jones. (E., C.) Bythopora striata Ulrich. (C.) Calapaxia antkostiensis (Billings). (E., C.) Carabocrinus(f) tuberculatus Billings. (E., C.) Catazyga headi anticostiensis (Billings). (E ., C.) Ccraurinus icarus (Billings). (E ., C.) Ceraurus numitor (Billings). (E .) Chasmops anticostiensis (Billings). (C.) Chasmatopora granistriata (Ulrich). (C.) Chonetes primigenius Twenhofel. (C.) Clathrospira subconica Ulrich. (E ., C.) Climacograptus (Mesograptus) putillus (Hall). (E.) Clitambonites diversus (Shaler). (C.) Columnaria calicina Nicholson. Conularia asperata Billings. (E .) Conularia splendida B illings. (C.) Cornulites flexuosus Hall. (E ., C.) Corynotrypa dissimilis (Vine) . (C . ) Ctenobolbina hammelli (Miller). (C.) Cupulocrinus latibrachiatus (Billings). Cycloceras crocus (Billings). (E .) Cydonema thalia B Ulings. (C.) Cyrtodonta anticostiensis Billings. (E., C.) Cyrtodonta? harrictta Billings. (E ., C.) Cyrtodonta? insularis Billings. (E .) Dalmanella meeki (Miller). (E., C.) Dicranopora emacerata (Nicholson). (C.) Dicranoporafragilis (Billings). (E., C.) Dictyonella anticostiensis (Billings). (C.) Encrinurus multisegmentatus (?Portlock) Billings (E.) Eridotrypa simulatrix (Ulrich). (C.) Ooniotrypa bilateralis Ulrich. (C.) Halysites gracilis Hall. Hebertella maria (Billings). (E., C.) Helopora imbricata Ulrich. (C.) Hormotoma gracilis (Hall). (E., C.) Hormotoma muUivolvis (Billings). Hormotoma teretiformis (Billings). (C.) Hudsonaster rugosus (Billings ). (C. ) Hyattidina charlctona Twenhofel. (C.) Ischyrinia winchelli Billings. (E., C.) Isotelus gigas Dekay. (E., C.) Kionoceras magnisulcatum (Billings). (C.) Krausella anticostiensis (Jones). (E., C.) Leptxna nitens (Billings). (E., C.) Leptxna reticulata (Shaler). (C.) Licrophycus formosum Billings. (E.) Licrophycus robustum Billings. (E.) LicropJiycus vagans Billings. (E., C.) Lingula(f) canadensis Billings. (C.) Lingula (Pseudolingula) elegantula (Shaler). (E., C.) Lingula forbesi Billings. (E., C.) Lioclemella nitida (Ulrich). (C.) Liospira americana (Billings). (E., C.) Litoceras hercules (Billings). (C.) Lophospira circe (Billings). (E.) LopJiospira modesta (Billings). (E., C.) Lophospira varians (Billings). (E.) Lyellia affinis (Billings). (C.) Lyopora goldfussi (Billings). (C.) Macrocypris? subcylindrica Jones. (E.) Metoptoma? alceste Billings. (E.) Nematopora lineata (Billings). (C.) Orthoceras formosum Billings. (C.) Orthoceras lyelli Billings. (C.) Orthoceras sieboldi Billings. (E., C.) Pachydictya? fir ma Ulrich . (C . ) Pachydictya hexagonalis Ulrich. (C.) Paleofavosites asper (D'Orbigny). (E., C.) Parastrophia lenticularis (Billings). (E., C.) Phacelopora pertenuis Ulrich. (E.) Phragmolites desideratus (Billings). (E . ) Phragmolites pannosus (Billings). (E., C.) Plectambonites sericus (Sowerby). (E., C.) Pleurocystites anticostiensis (Billings) . (C.) Potcrioceras obesum (Billings). (E., C.) Primitia lativia Ulrich. (C.) Prcetus alaricus Billings. (C.) Protocrisina exigua Ulrich. (C.) Protozeuga anticostiana Twenhofel. (E., C.) Pterinca bellilineata Billings. (E., C.) Pterinea prolifica Billings. (E . , C . ) Pterinca varistriata Billings. (C.) Pterotheca transversa (?Salter) Billings. (E., C.) Ptilodictya canadensis Billings. (C.) Ptilodictya flagellum^icho]son. (C.) Ptilodicta magnifica Miller. (E., C.) Ptilodictya whiteavesi Ulrich. (E., C.) Rafincsquina ceres (Billings). (E. C.) Rafinesquina ira&rex(?Pander). (C.) Reteocrinus fimbriatus Billings. (C.) Rhinidictya nitidula (Billings). (C.) RMpidomella sola (Billings). (C.) Rhynchotrema? anticostiense (Billings). (E., C.) Rhynchotrcma? janca Billings. (C.) Rhynchotrema perlamellosum (Whitfield). (E., C.) Rhytimya emma (Billings). (E.,C.) Sxrichnites abruptus Billings. (E.) Salpingostoma canadensc (Billings). (E., C.) Salpingostomafratcrnum (Billings). (E.) Sceptroporafacula Ulrich. (E., C.) Schizocrania filosa (Hall). (C.) Schmidtella sublenticularis (Jones). (E., C.) Schuchertella pectcn (Roemer). (C.) Spyroceras balteatum (Billings). (C.) Spyrocerasferum (Billings). (E., C.) Streptelasma angulatum (Billings). (E., C.) Streptelasma rusticum (Billings). (C.) Strophomena antiquatum Sowerby. (C.) 1482 BULLETIN 92, UNITED STATES NATIONAL MUSEUM, Strophomena fluctuosa Billings. (E., C.) Strophomena hecuba Billings. (E., C.) Subulites richardsoni Billings. (C.) Tetraddla lunatifcra (Ulrich). (C.) Tctraddla simplex (Ulrich). (C.) Tripteroceras xiphias (Billings). (E.) Ulrichia nodosa Ulrich. (C.) Vanuxemia ungulata (Billings). (E.) Whitdla plebeia (Billings). (E., C.) Whitdla? sigmoidea (Billings). (E., C.) Zaphrentis affinis Billings. (C.) BICHMOND (GAMACHIAN— ELLIS BAY) ISLAND OF ANTICOSTI, QUEBEC. Actinoceras anticostiense (Billings). Actinoceras scdgwicki (Billings). Ascoceras anticostiense Billings. Ascoceras newberryi Billings. Atrypa marginalis Dalman. Seatricea nodulosa Billings. Beatricea undulata Billings. Brachyaspis alacer (Billings). Brachyaspis notans (Billings). Bumastus orbicaudatus Billings. Calapozcia anticostiensis Billings. Camerotachia nutrix (Billings). Ceraurinus icarus (Billings). Chasmatopora angulata (Hall). Chasmops anticostiensis (Billings). Chonctes primigenius Twenhofel. Clathrodictyon vesiculosum Nicholson and Murie. Clathrospira subconica Ulrich and Scofield. Clionychia superba (Billings). Clitambonites diversus (Shaler): Columnaria alveolata Goldfuss. Corynotrypa dissimilis (Vine). Cycloceras crocus (Billings). Cyclonema thalia Billings. Cyphotrypa bulbosa (Billings). Cyrtospira notata (Billings). Dalmanella meeki (Miller). Dalmanella ruida (Billings). Diaphorostoma humile (Billings). Dinorthis porcata anticostiensis (Shaler). Encrinurus multisegmentatus Billings. Favosites forbesi Edwards and Haime. Glauconome strigosa Billings. Halysites catenularia Linnaeus. Hebertella maria Billings. Helopora formosa Billings. Helopora lineopora Billings. Hindella prinstana (Billings). Hindella umbonata (Billings). Hormotoma gigantea (Billings), Hormotoma gracilis (Hall). Ischadites insularis Billings. Isotdus gigas Dekay. Leptxna nitens (Billings). Leptsena reticulata (Shaler). Leptxna rhomboidalis (Wilkens). Lingula (Pscudolingula) elegantula (Shaler). Lingula forbesi Billings. Lingula insularis Billings. Liospira amcricana (Billings). Liospira hclena (Billings). Lephospira? papillosa (Billings). Lophospira sybellina (Bilh'ngs). Lydlia affinis (Billings). Lydlia exigua (Billings). Lydlia spcciosa (Billings). Ncmatopora lineata (Billings). Oncocer as fragile (Billings). Orthis lamellosa Twenhofel. Orthis laurentina (Billings). Orthoceras sicboldi Billings. O xy discus acutus (?Sowerby) Billings. Pachydictya crassa (Hall). Paleofavosites aspera (D'Orbigny). Parastrophia lenticularis (Billings). Parastrophia reversa (Billings). Pasceolus halli Billings. Phsenopora ensiformis Hall. Phscnopora excettens (Billings). Phragmolites desidcratus (Billings). Platystrophia regularis Shaler. Plectambonites sericeus (Sowerby). Protarea tennis (Billings). Pterinea striata Billings. Pterinea varistriata Billings. Ptilodictya gladiola Billings. Rafinesquina ceres (Billings). Eafinesquina imbrex (Pander). Rhipidomella uberis Billings. Rhipidomella uberis rhynchondliformis (Shaler). Rhynchondla? janea Billings. RUynchotrema anticostiensis (Billings). Salpingostoma canadense (Billings). Schuchertella pecten (Roemer). Sphscrocoryphe saltcri Billings. Streptdasma sdectum (Billings). Strombodes diffluens Edwards and Haime. Strophomena fluctuosa Billings. Strophomena hecuba Billings. Strophomena semiovalis Shaler. Subulites richardsoni Billings. Tcchnophorus plicatus (Billings). Vanuxemia acutumbona (Billings). Whitellaf sigmoidea (Billings). Zaphrentis affinis Billings. EICHMOND (MISCELLANEOUS). Arthroclema angular e Ulrich. (Manitoba.) Batostoma manitobense Ulrich. (Manitoba.) Beyrichia parallda (Ulrich). (Manitoba.) Bythopora striata Ulrich. (Manitoba.) Catazyga hcadi (Billings). (Quebec.) Catazyga headi borealis (BiUings). (Quebec.) Ceraurinus icarus (Billings). (Manitoba.) Ceraurinus marginatus Barton. (Lake Huron.) Climacograptus mississippiensis Ruedemann. (Okla.) Climacograptus ulrichi Ruedemann. (Okla.) Columnaria alveolata rigida (Billings). (Quebec.) Columnaria calicina (Nicholson). (Ontario.) Columnaria (Palxophyllum') stokesi (Edwards and Haime). (Manitoba.) Columnaria (Palxophyllum') thomi (Hall). (Tex.) Conocardium antiquum (Owen). (Manitoba.) Ctenodonta iphigenia (Billings). (Lake Huron.) Cyclocystoides huronensis Billings. (Lake Huron.) Cyphaspis(?)frobisheri Emerson. (Arctic America.) Cyrtoccras ligarius Billings. (Lake Huron.) Cyrtoceras lysander Billings. (Lake Huron.) FAUNAL LISTS. 1483 Cyrtoceras postumius Billings. (Lake Huron.) Cyrtodonta ponderosa Billings. (Lake Huron.) Dicranopora fragilis (Billings). (Manitoba.) Diplograptus crassitestus Ruedemann. (Okla.) Drepanclla richardsoni canadensis Ulrich. (Onta- rio.) Drepandla symmetrica (Emerson). Arctic Amer- ica.) Eurychilina frobisheri (Emerson). (Arctic Amer- ica.) Eurychilina manitobense Ulrich. (Manitoba.) Goniotrypa bilateralis Ulrich. (Manitoba.) Halysites catenularia qucbccensis Lambe. (Quebec.) Halysites gracilis (Hall). (Manitoba, etc.) Helicotoma brocki Foerste. (Lake Huron.) Lcperditia subcylindrica Ulrich. (Manitoba.) Leptxna nitens Billings. (Manitoba.) Leptobolus occidentalis Hall. (Okla.) Licrophycus hudsonkum Billings. (Lake Huron.) Liospim Jielena (Billings). (Quebec.) Litoceras insigne (Whiteaves). (Manitoba.) Lophospira beatrice Foerste. (Quebec.) Lyopora goldfussi (Billings). (Ontario.) Montkulipora parasitica plana Ulrich. (Manitoba.) Onchometopus emoryi (Hall). (Tex.) Onchometopus susae (Whitfield). (Manitoba.) Orthoceras piso Billings. (Lake Huron.) Pachydictya hexagonalis Ulrich. (Manitoba.) Pctigopora scabiosa Ulrich. (Manitoba.) Pleurotomaria muralis Owen. (Manitoba.) Primitia lativia Ulrich. (Manitoba.) Protarxa vetusta magna Whiteaves. (Manitoba.) Plilodictya whiteavesi Ulrich. (Manitoba.) Rafinesquina ceres (Billings). (Manitoba.) Rafinesquina lata Whiteaves. (Manitoba.) Rhynchotrema argenturbica (White). (N. Mex.) Rhyiimya? kagawongensis Foerste. (Lake Huron.) Streptelasma latusculum trilobatum (Whiteaves). (Manitoba.) Streptelasma robustum Whiteaves. (Manitoba.) Strophomena concordensis liuronensis Foerste. (Lake Huron.) Strophomenafluctuosa Billings. (Manitoba.) Txniaster meafordensis Foerste. (Ontario.) Vallatotheca manitoulini Foerste. (Lake Huron.) Vanuxcmia bayfieldi Billings. (Lake Huron.) UPPER MEDINAN (GIRAKDEAU) OF MISSOURI AND ILLINOIS. Calymene dubia Savage. Camarotcechia? festinata Savage. Cornulites tenuistriatus (Meek and Worthen). Cyclocystoides illinoisensis Miller and Gurley. Cyphaspis girardeauensis Shumard. Dalmanclla modesta Savage. Diaphorostoma niagaraense immaturum Savage. Encrinurus deltoidcus Shumard. Glyptocrinusf fimbriatus Shumard. Lingulops ovata Savage. Modiolopsis concinna Savage. Monotrypa rectimuralis Ulrich. Nematopora alter nata UMch. Ncmatopora delicatula Ulrich. Nematopora fragilis Ulrich. Nematopora retrorsa UMch. Odontopleura halli (Shumard). Phacclopora perlenuis Ulrich. 84243°— Bull. 92— vol 2—15 49 Phragmolites imbrkatus (Meek and Worthen). Proetus princeps Savage. Pterinea for mosa Savage. Ptychocrinus splendent (Miller). Rafinesquina? delicatula Savage. Rafinesquina mesicosta (Shumard). Rhynchotrema? illinoisense Savage. SchucherteUa missouriensis (Shumard). Schuchertia ordinaria Schuchert. Trematopora calloporoides UWch. Trematopora debilis Ulrich. UPPER MEDINAN (EDGEWOOD) OF ILLINOIS AND MISSOURI. A trypa prxmarginalis Savage. Atrypa putilla (Hall and Clarke.) Atrypa tubulistriata Savage. Bellerophon consimilis Savage. Bucania exigua Foerste. Calap&cia favositoidea Savage. Calvinia edgewoodensis Savage. Camarotcechia antiqua Savage. Camarotcechiaf concinna Savage. Clathrodktyon vesiculosum Nicholson and Murie. Clorinda? thebesensis Savage. Colpomya abrupta Savage. Ctenodonta subelliptica Savage. Cyclonema daytonense Foerste. Cyprkardinia subquadrata Savage. Dalmanella edgcwoodensis Savage. Dalmanites danx Meek and Worthen. Dawsonoceras tenuilineatum Savage. Deltacrinus alleni (Rowley). Diaphorostoma niagarense (Hall). Favosites sublongus Savage. Gissocrinus? problematicus Rowley. Glyptocrinus inseparatus Rowley. Glyptocrinus inseparatus carinatus (Rowley). Glyptocrinus inseparatus pentagonus Rowley. Hindella? ambigua Savage. Holopea minuta Savage. Homceospira fiscellostriata Savage. Homceospira subcircularis Savage. Hormotoma tenera Savage. Isotelus hngxvus Savage. Leptxna rhomboidalis (Wflckens). Liospira affinis (Foerste). Lophospira fasciata Savage. Lophospira thebesensis Savage. Lyellia thebesensis Foerste. Metopolichas breviceps clintonensis (Foerste). Orthis flabellites fissiplicata (Foerste). Pentamerus parvulus Savage. Platystrophia daytonensis (Foerste). Poleumita bellasculptilis Savage. Proetus determinatus Foerste. Protozeuga sukocarinata Savage. Pterinea thebesensis Meek and Worthen. Rafinesquina mesicosta (Shumard). Rafinesquina meskosta mesistria Savage. Rhipidomella tenuilineata Savage. Rhynchoncllaf janea Billings. Rhynchotreta parva Savage. Rhynchotrcta thebesensis Foerste. Rhynchotreta thebesensis multistriata Savage. Schuchertella missouriensis (Shumard). Schuchertella missouriensis convexa Savage. 1484 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. Schuchertdla propinqua (Meek and Worthen). Straparollus pumilis Savage. Stropheodonta (Brachyprion) latisculptilis (Savage). Stropheodonta (Brachyprion) stropheodontoides (Savage). WhUfidddla(f) billingsana (Meek and Worthen). Whitfidddla ovoides Savage. Whitfidddlaf speciosa Savage. Zaphrentis amUgua Savage. Zaphrentis subregularis Savage. UPPER MEDINAN (CHANNAHON) OF ILLINOIS. CaUonema pristina Savage. Cyphaspis intermedia Weller. Dawsonoceras tenuilineatum Savage. Diaphorostoma illinoisensis Savage. Leperditia illinoisensis Savage. Lingulops illinoisensis Savage. Metopolichas ferrisi Weller. Pholidops subelliptica Savage. Proctus channahonensis Weller. Pterinea elegans Savage. Rhynchotreta intermedia Savage. Rhynchotreta lepida Savage. Schuchertdla curvistriata Savage. Whitfielddla acuminata Savage. Whitfidddla ovoides Savage. Zaphrentis ambigua Savage. Zaphrentis subregularis Savage. UPPER MEDINAN (BRASSFIELD) OF KENTUCKY, OHIO, TENNESSEE, MISSOURI, ILLINOIS, ARKANSAS, AND OKLAHOMA. Acervularia dintonensis Nicholson. Acidaspis brevispinosa Foerste. Actinoccras daytonense (Foerste). Actinoceras latonummulatum (Foerste). Actinoceras turgidonummulatum (Foerste). Actinoceras youngi (Foerste). Aspidopora parmula (Foerste). Aspidopora parmula fenestdliformis Foerste. Atrypa laticorrugata Foerste. Atrypa marginalis Dalman. Aulopora precius compressus Foerste. Bucania exigua Foerste. Bucania fiscellostriata Foerste. Bucania opertus (Foerste). Bumastus niagarensis (Whitfield). Calymene niagarensis Hall. Calymcne vogdesi Foerste. Camarotachia(f) acinus convexa (Foerste). Camarolachia (Stegerhynchus) neglccta (Hall). Camarotcechia (Stegerhynchus) neglecta cliftonensis Foerste. Camarotcechia (Stegerhynchus) whitei prsecursor (Foerste). Ceramoporaf expansa (James). Chasmatopora angulata (Hall). Clathropora frondosa dintonensis (Hall and Whit- field). Clidochirus americanus Springer. Clidophorus ferrugineum (Foerste). Coleolus dintonensis Foerste. Conularia bilineata Foersto. Conularia nagiarensis Hall. Cornulites distans Hall. Corynotrypa dongata (Vine). Craniaf dubia Foerste. Ctenodonta elliptica (Hall). Ctenodonta minima (Foerste). Ctenodonta ohioensis Bassler. Cuncamya caswdli (Foerste). Cyathophyllum facetus Foerste. Cydoceras amycus (Hall). Cydoceras inceptum (Foerste). Cydoceras inceptum accderatum (Foerste). Cydoceras novacarlislense (Foerste). Cydora alia Foerste. Cyclospira(?) sparsiplica Foerste. Cyphaspis clintoni Foerste. Cypricardinia undulostriata (Hall). Cyrtoceras clintonense Foerste. Cyrtoceras (Glyptoceras) catoncnse (Claypole). Cyrtoceras (Glyptoceras) subcompressum Beecher. Cyrtodontaf fcrruffinea (Hall and Whitfield). Cyrtolites youngi Foerste. Dalmanella elegantula (Dalman). Dalmanella elegantula parva (Foerste). Dalmanitcs werthneri Foerste. Dciphon forbesi Barrande. Diaphorostoma niagarense (Hall). Dictyonema pertenue Foerste. Dictyonema scalariforme Foerste. Dictyonella reticulata Hall. Discosurus conoideus Hall. Elpe ulrichi Foerste. Encrinurus thresheri Foerste. Enterolasma geometricum (Foerste). Favosites favosidcus (Hall). Favositcs niagarensis Hall. Gomphoccras ortoni Foerste. Hallopora magnopora (Foerste). Hebertdla daytonensis Foerste. Hebcrtella fausta (Foerste). Hemitrypa ulrichi Foerste. Hindella umbonata (Billings). Homotrypaf confluens (Foerste). Hormotoma subulata (Conrad). Illxnus ambiguus Foerste. Illxnus daytonensis Hall and Whitfleld. Kionoceras crawfordi (Foerste). Leptsena rhomboidalis (Wilckens). Lindstromia gainesi (Davis). Liodemella ohioensis (Foerste). Liospira affinis (Foerste). Meekospira planilateralis (Foerste). Metopolichas breviccps dintonensis (Foerste). Modiolopsis rhomboidca (Conrad). Modiolopsis subrhomboidca Simpson. Mytilarcafoerstei Clarke and Ruedemann. Odontopleura ortoni (Foerste). Orthis flabellites Foerste. Orthis flabdlites dinorthis (Foerste). Orthis flabellites euorthis (Foerste). Orthis flabellites fissiplicata (Foerste). Orthis flabellites militaris Foerste. Orthoccrasf davatum Hall. Orthoceras erraticum Foerste. Orthoceras hanoverense Foerste. Orthoceras ignotum Foerste. Orthoceras rectum junius Foerste. Orthoceras rhythmoides (Foerste). Orthoceras (Spyrocerasf) spyroceroides Foerste. Orthoceras tenuisiphoruitum Foerste. Pachydictya bifurcata (Hall). FAUNAL LISTS. 1485 Pachydictya bifurcata instabilis Foerste. Pachydictya crassa (Hall). Pachydictya emaciata Foerstc. Pachydictya? famelica ( Foerste). Pachydictya obesa Foerste. Pachydictya turgida Foerste. Paleopupa abrupta Foerste. Phacops pulchellus Foerste. Phxnopora ensiformis Hall. Phxnopora expansa Hall and Whitfield. Phxnopora fimbriata (James). Phxnopora magna (Hall and Whitfield). Phxnopora multifida (Hall). Platymerella manniensis Foerste. Platystrophia reversata (Foerste). Plectambonites transversalis (Wahlenberg). Plectambonites transversalis prolongatus (Foerste). Pleurotomaria filitcxta Foerste. Pleurotomaria inexpectans Hall and Whitfield. Proctus determinatus Foerste. Pseudosphxrexochus? clintoni (Foerste.) Ptilodictya expansa Hall. Ptilodictya expansa emarcescens Foerste. Ptilodictya whUfieldi Foerste. PtychophyUum ipomoea Davis. Rhinopora verrucosa Hall. Rhipidomella hybrida (Sowerby). Rhyncholreta simplex Foerste. Schuchertella tennis (Hall). Spyrocerasjamesi (Hall and Whitfield). Straparollus incarinutum Foerste. Streptelasma hoskinsoni Foerste. Streplelasma obliquus Foerste. Striatopora ( Cladopora?) proboscidians Foerste. Stricklandinia(f) dichotoma Foerste. Stricklandinia triplesiana Foerste. Stromatopora indianensis Parks. Strophonella daytonensis Foerste. Strophonella striata Hall. Strophostylus cancellatus (Hall). Strophostylus cyclostomus (Hall). Subulitcs directus Foerste. Syringopora (Drymopora) fascicularis Foerste. Trigonodictya catonensis Ulrich. Triplecia ortoni Meek. Triplecia (Cliftonia) striata Foerste. Vinellaradiciformis (Vine). Zaphrentis celator daytonensis (Foerste). UPPER MEDINAN OF NEW YORK, NEW JERSEY, ETC- (Shawangunk= S.) Arthrophycus alleghaniensis (Harlan). B ucanclla trilobata (Conrad) . Dxdalus archimedes (Ringueberg). Dolichopterus otisius (Clarke). (S.) Euconiaf pcrvetusta (Conrad). Euryptcrus maria Clarke. (S.) Eusarcus? cicerops (Clarke). (S.) Fucoides auriformis Hall. Fucoides heterophyllus Hall. Holopea conoidea (Hall). Hughmilleria shawangunk Clarke. (S.) Leperditia cylindrica (Hall). Lingula cuneata Conrad. Modiolopsis orthonota (Conrad). Modiolopsis primigenia (Conrad). Oncoceras gibbosum Hall. Orbiculoidea parmulata (Hall). Orthoceras multiseptum Hall. Pleurotomaria litorea Hall. Pterygotus (Erettopterus) globiceps Clarke and Rue- demann. (S.) Rhynchonella? plicala Hall. Rhynchotrcta cuneata americana Hall. Scolithus verticalis Hall. Stylonurus (Ctenopterus) cestrolus (Clarke). (S.) Stylonurus myops Clarke. (S.) Whitfieldella oblata (Hall). UPPER MEDINAN (CATARACT) OF ONTARIO. Acervularia gracilis (Billings). Arabellites elegans Hinde. Arenicolites sparsus Salter. Brockocystis clintonensis (Parks). Brockocystis? huronensis (Billings). Brockocystis tecumselh (Billings). Bucanclla trilobata (Conrad). Buthotrephis gracilis crassa Hall. Buthotrephis gracilis intermedia Hall. Camarot&chia (Stegerhynchus") neglecta (Hall). Chasmatopora angulata (Hall). Chonophyllum belli Billings. Clathrodictyon vesiculosum Nicholson and Murie. Clathroporafrondosaclintonensis Hall and Whitfield Ccelospira planoconvexa (Hall). Cornulites distans Hall. Cyclonema daytonense Foerste. Cyrtoceras orestes Billings. Dalmanella edgewoodensis Savage. Dalmanella elegantula (Dalman). Diphyphyllum cxspitosum (Hall). Diphyphyllum multicaule Hall. Eunicites chiromorphus Hhide. Euniciles clintonensis Hinde. Eunicites coronatus Hinde. Holy sites catenularia Linnaeus. Holy sites catenularia microporus (Whitfield). Hebertellafausta (Foerste). Heloporafragilis Hall. Leptsena rhomboidalis (Wilckens). Lingula clintoni Vanuxem. Lingula lingulata Hall and Clarke. Lingula oblata Hall. Lumbriconereitcs armatus Hinde. Lumbriconer cites basalis Hinde. Lumbriconereites triangularis Hinde. Mesopalxaster(f) cataractensis Schuchert. Mcsopalseaster granti (Spencer). Metopolichas bjrcviccps clintonensis (Foerste). Modiolopsis orthonota Conrad. Modiolopsis primigenia Conrad. Nematopora raripora (Hall). (Enonites amplus Hinde. kt/ft fa. SILURIAN Z < 0 > o Q CC O I i M£ Mil Ian (Ohio) Fairview (Ohio) 2 Q LJ Frankfort (N.Y) Utica (N.Y.) Shale (?Utica M OH AWKIAN TRENTON Cynthiana (Ky ) Perryville (Ky.) o Flanagan (Ky.) Bigby (Ky.) Cumberland L Wilmore(Ky) Quebec City formation Snake Hill sfi with conglomerates (Rysedorph)near base Rysedorph con IHead shaJe Hermitage (Ky.) Curdsville(Ky.) glomerate 6)en FaJ|s |g. or Kimmsw!ck(Mo.) Mill Mill Decorah (Iowa) •^ Amsterdam Watertown(N.Y) tt: IIIIIIIIIH Lowville (N.Y.) § Lowvil'le Is. C H AZYAN BLOUNT Ottosee(Tenn.) -o Tellico (Tenn.) Quebec 3C Athens (Tenn.) I-M Normansk 1 sh (Lower Dice! loera> itutzone) j_ Holston (Tenn) (N -Pin part) IValcour Is. STONES RIVEB Lebanon (Tenn) i|| IIIIIIH Ridley (Tenn.) Lttle Falls dol{^ Hoyt (NY.) |t 7 ^ Hcyt Is. Potsdam (N.Y.) 3 ^ Fbtsdam ss CAMBRIAN UPPER MIDDLE LOWER St.Croixan i j Acadian 21 ;:::: Waucoban Quebec A-C !!l CORRELATION TABLE BULLETIN 92. PLATE I East Centra/ Abrtfy ce/Ttn. A/ewter/r A/ewjbrk z/ APPALACHIAN VALLEY- MEW JEffSEY-WffGJMA APfWLA ' .-3 ^ Eden ss. member "en ss. I ill ill Eden Utica shale 3 ii ii HUM Schenectady sh. Upper Tnentor Middle Trent Canajohane sh. Glen Falls Is. Lower Trento w Sandy shale Sevier shale Is. [5 ShaJes £? Martinsburg (as mapped) Cannon Is shale £ £ Black shale llllllJHJ x Shalv Is Hermitage n Is. x irenton Is n\/n'ra 3 Illllllllllll INIIIIIIL II |l 1 II Jacksonbur^ Is. Upper Chamberebuni Liberty Hall Is. -§ Mocassin Is. Mocassin q Amsterdam Is. " / Black River 80> T Tf £ " Trenton limeston?/ 1 — fe S HI) III III Watertown "[•I "| E Lowvlle Is. bowv'lle5' Is. OoWT'e^8 ^ Lowville Is. w Lowville Is. 2 1 Ottosee sh. Ottosee sh. ?0ttosee ^ •f Tellico s s. - 1 JJ-^thenssh. Athens s 4i. S Lower Chambosbu^ Murat Is. Holston Is. ?Holston jo Pamelia Is . 1! |HI||P Stones Stones River group Lenoir 1 s. Lenoir Is. River '«• Illl Illllllllllll ,, Mosheirr i Is. Mosheim Is. Natural Bridge Jonesbo ^•0 Is. Coolav Is limestone (? Felna member at base ™) Tr bes H 11 s-. Tribes H 1 . J2 >^ Chepultepec | Copper Ridge chert tj K^nox dolomite Lower Lower i Knox Knox Little Falls del.. Hoyt Is. Theresa. Is Allentown Is. Conococheafcuef Kno Potsdam ss. Potsdam s s. ( | | | j [ | | | 1 1 1 Noltchucky shale Nolic ^iJcky shale Conosauga sh Wlwnesijoro ss. Russefh&uena Vista Mar>>''lle B •• £ Sfs^r s'^1?16' "V** s' Rome sh.and ss. Hardyston ss. Supers sc^wJl^SS: Qu^S'^dihales S ^^ shn^f°ne U.S. NATIONAL MUSEUM OZARKIAN -ORDOVICI AN GENERAL TIME SCALE /^^^ / Vajbama. Gnc/nnat/dome Nashville dome Fa st Missouri **»ffi£i SILURIAN tJurriata Eichmond (Arriheim) ^ S^f °E) T'ernva O 0 Q o: 0 ICINCINNATIAN 1 MS Mil Ian (Ohio) Cbwe£>(Bald Ea£|e) |J f Sl^ert) | | | | | | | || | | Fair-view (Ohio) ^5 MtH^Sup^raRO Leipers(SwanCn S Frankfort (N.Y.) Shale J» £ Iden shale S-^^MiHk? Utica (N.Y) 1o u Fulton MOHAWKIAN TRENTON Cynthiana (Ky.) ^ Cynthiana j|rif?bap Perryville (Ky.) 3> BViyville{(^i||w|tee Catheys f. Flanagan (Ky.) $ . Hanagan^^n1 | | | | | | | | | | ~ x/.'-U |:m Bigby (Ky.) Frei 3nb- 2 6 ^by?ls. c Bi^jy (IVisinpart) Bigby {$$*££ Wilmore (Ky) -« Wilmore Is. ~[|z -- Hermitage (Ky.) Lower J Hermita^a^ar^ g^1^ 's' J^, Curdsville (Ky.) T'***' Curdsville Is. Curdsville # per Prosser \ Kimmswick (Mo) 1 1 1 | lU,^,. ch sllan. fauna Mill 1 ITFTT 2 •nmswick(Bryan^ Decorah (Iowa) forTTTft?. ls-, Watertown (N.Y.) jj[||||lUll " Decorah sh. (.UpperL^rT D« xx) rah (Auburn) IMIIINIII Bromide Lowville , (N.Y) Lowville fs. bwvi HS?^'. Lowv!!le(Carters) Br y$]ty1s(U5wef^ C H AZYAN BLOUNT Ottosee (Jenn.) y Tellico . (Tenn). JB . .^ / Athens ! 'Jfenn) Ath ens(F?ockmar^a /^TT Holston (Tenn) | | /ill STONES RIVER Lebanon . (Tenn) Pamelia Is; jSo r?r,p Nelson Is Lebanon Is- Ridley '. (Tenn) ste mes River Isf " Ridley Is. Simpsor Pierce - (Tenn) Pierce Is. •Formati Murfreesboro (Tenn.) 4 Murfreesboro Is. Mosheim (Tenn) TlTnW^ IIIIIIIH II Jasper <£rk) St. Peter . (Minn) St Peter(nweb JQ jcnmi^i member) Arbuckle Everton (Ark.) (Maun ma Sneeds (Arkj^ s UPPER Bellefonte (Pa.) Bellefonte dol. Po well Is. .a 1 Axeman (Pa) Axeman Is. Co tter Is. ffl MIDDLE Nittany (Pa) Nittany dol. Cer atopea fauna Wells chert Jefft TsonCfyls. | LOWER Stonehen£e (Pa) Stonehen^e Is. Pel "lam Is. Ro ubidoux ssT Dictyonerrafiabeliifonnebed Represented ? ; | | Hill III 1 1 II I UPPER Gasconade (Mo.) fe iMc ls- , ris1 ^SsE Copper Ridfce (Tenn) Cop perRid£ech. SJ "§ Pn actor dol. Eminence (Mo) "Lav ver Knox" o. En i nence chert LOWER Little Falls (NY) Represented Bi D dol. « g Po tosi Is. Hoyt I Ke tona dol. ^ -g Potsdam 1* Br arfiey dol. ^ Z CAMBRIAN UPPER MIDDLE LOWER St.Croixan TTTTTTT M° ichuckysA. icf ^K?*' R^ffd Acadian ReprUerlteo1 _gj •ysville Is. " Waucoban LLU. ill III III II 11 CORRELATION TABLE BULLCTN 9£ PLATE 2 f. A , /lr/ra./7saL& W/sconsir? M/nnes0 //or&ern ^J^f ////no/s Atortter ?l£ ^tm ^^«^* r^^te ^^ Fernvale J7ernyale lernvsQe Ihibuque do! Eichracoi jHif3mumi BOTMu>ImLsR^ Wekwemikontein^ o J Pulaski sh MH P Hartfell (Upper) 1 1 1 1 1 1 | 1 I 1 1 ruiajiiM t>n- r M 4). . .,...,_,._-_,....._ _ Sheguindah Eden sh. Po k Creek shale || | | | | | | | i | | ? Utica sh. E 4- 7 Hartfell (Lower) 7 Glenkiln •? - - Coll,n£wood Col,n£woodsh, LjdWn{ ^ §..... Big Fork GaJenadol. 00 chert Wesenbergls(E) 3 T Stewartv WassaJem Is^D3) . llej?°l- Picton Is. Ke£el Is. m "a (Madurea. MINN Mill J«*b. KM ° Prosser 1 mestc ne &m ^Sdt^ U^UM ° Kimmswck Is. Mill Jl Illlll III! 1 Ibf! Falls '%. Itferls'^ ,. 1 Docorah shaJeffi rsliff „ C(ocha 1313^. Kuckersshale(C2 N nun 1 1 1 1 1| i ii -M ' ^ Plattin Is. Platteville (lower ( Gienwoo J a. Swift Outrent(Ler^) ' eray s Cjn.io&fjliailalj^ ^hade03 Lowville QWille Is. . J . . ?Orthocerasl5(B!) ?GlajuconiteJs(B2) Strinfetown sh. 0 Lla^ideilo 1 Pamelia Is. Uandoerx | " (Upper) Jasper Is. •? j*S?m g'^ember Blakeley ss. St Pete.r sandston e t Everton te. Sneeds Is. 1 „ Powell Is. «5h;^v d ! Skiddaw. Durness > Cotter b. -i • Glauconites5.(BO AreniA # Jefferson Gty Is. f .. r ....- Roobidoux ss. Ouachrta shale -o t--.r.-- 1 1 1 1 1 1 1 1 1 1 1 1 :i ^S^te^'^Tremadoc (fe^r^nfe *• Oneota. dolom b » Proctor dot. -? Em nence ch. Potosi Is. Madison ss. ? Mendota Is. SaBT'* ^iflrW StGohanjilSSSt. ian T T r^^3,s|s. Cambr I l^SS Esthonia WA1 U.S. NATIONAL MUSEUM S I LU R1AN COR GENERAL TIME SCALE Western NewYork Centra/a/ astct Ontario New TdEastem APPALACHIAN VALLEY York fknn.Mdandi /a.. Ten nessee • Becraft (N.Y) Bee ^rapt form, *^f\ DEVONIAN New Scotland (N.Y) Nev v Scotland formation ^ i-~rT" (HELDEfl BERGW Coeymans (N.Y) Coeymans Is. ^rf^5_ Keyser (W.Vaj_ SS serls. - Decker Fern/ Is. (M.JX CAYUGAN Manlius (N.Y) Man! us _ _ _ (Tentacu f^ k) Bossardville Is l3- c^^,. ville Is. D Tonoloway (Md) Cobleskil I Is. Tonoloway Is. \ \\ \ Wills Creek (Md.) AKron aoi. iDuimeaa; Bertie wl. Wills Creek Is. Bloomsburg (Pa.) 1 Mill 1 Sloomsbur^ SS. LOWER Salina - M^Kenzie (N.Y) (Md) 1 fCamillussb ^*> ^-SbgJ Syracuse sh. ^ "jj ~t W Vernon &h. Ttfn | [Pittsfordsh. (N.J) 1 M^Kenzie form. Z ft: 0 z LOCK PORT Louisville (Ky) JJ1 1 1 1 1 1 111 ?Loui 5ville coral zone Guelph (Canada) u Shelby dol: "] ^<[ Bob (Tenn) Beech River (Tenn) > -^ Racine (Wis.) (TaQnnrt k I 0 Waukesha (Wis.) WaJdron (Ind.) ]3> Laurel (Ind.) Decew Is. J •j CLINTON Rochester (N.Y.) Rochester shale -.- . J iton Clinton grc ormation (Keefer ss' nea (Cacapon me at ba. Irondequoit (N.Y) Irondequoit Is. Q|J up j Williamson (N.Y.) Williamson shale f rtop) .' Wolcott (N.Y) Wolcott Is. mber ^ Sodus (N.Y) Sodus shale se; z z Q u A LBION Thorold(Arthrophycus ss | New York) (Ontario) Thorold saAdstone Grimsby ss L jjli^ Cabot Headship Qneida-Sha Manfoulinbedsjl Whirlpool ss. f ^r^rTT JJ-^"^ Medina wan&unk-GrmiT&nd . j: ^^f-fTT luscarora sandstone ^ "T" ~~ 3rassfldd Is. | /VhiteOakss. J Brassfield (Ky.) 1 Noix (Mo.) i Ed£ewood (Mo.) .2 Whiteoak (Tenn) * Girardeau (Mo.) Mill R ICHMONDIAN Elkhorn (Ind) Se stone f cjuatchie Whitewater (Ind.) .Maquoketa. (Iowa Liberty (Ind.) Queenston shale Juniata sand ormation Waynesville(0hio) and shale Fernvale (W.Tenn F Arnheim (Ohio) ? Dubuojue (Iowa ORDOV1C1A (CINCINNATIAN Maysville Oswe^o sandstone Oswegc Pulaski ibrmation > sandstone Oswe&o sandstone - (Bald Eagle) airview ILATION TABLE BULLETIN 9£ PLATE 3. /** OH/ r> I/A/ 1 FY Northern and c/ WL-L-^r CentraJOhnMchfen, fwz^M;™^ i Ussier/? Wtscons/n enfJGssee WestofCt, idnnatl Southern Ohio &&sternfy *"* Ontario Ml -- •- • "• (Lucas dol _. . Amherslburidol en form. c Detrait River ^Anderdon6ls. [flat Rock dol. "I B^fiSTOKa-;: uyW>cfrffiesh. Ar-oflirfiolrl /-I/-.I firoonfiolrl rlnl II 1 1 1 1 11 _. .._. Kokomo MINI Hillsboro ss. Anamosa, . -i- ...-,- i — • Gower Waubakee Is Leclair. J "OW SaJina )ecatur Is'. Louisville .obelvlfef. (Bledsoe n "lenn") Jl _LLL Cedarville do!. Guelph dol. Bob s. n inn mil i [ 1 1 1 1 IT Racine dol. Dixon term,- WauUesha dd. llwsSmfh> Wald™ sh. Mayville dol. .aurel Is. — Laurel Is. c io^lnnel)] I Os^°d Is. West Union Is. "§ o HI | | | | || | || || | | | | | = (Ohio) -gCEastern Ky.) Jt 1 --"Nia^ara'sh.lj^d^0" 1 ~ s Dayton Is. ^ete(p!Sy E II 1 1 1 I III 1 1 1 1 y ?§gfer8)b-J \ Brassfield Is. (Montgomery and Beavertown) "^ Iron Ridge one bed 13 Unnauned dolomite Brainard shale Elkhorn (1 -7 ,. f Whitewater S (Ka&twoni -Saluda-CMadison and Fowlertx/ / Ft. Atkinson Is. ^ in Man tou in Is ands) 1-rffl '' Illllllllll IIIIITHII M^etash^ "Cincinnati shales ' £[£ Liberty N\ Clermont shale (Richmond age) j} Waynesvi lie jciarksville - •• CFt. Ancient •• •• "> A • > / s / '. Mannesh 1 1 1 I 1 1 1 1 *'.LBp«Cr.b NNIIN III Illllllllllllllll ^^nheim Arnheim ( Ore^onia member 1 Sunset member 1 1 1 1 1 1 III 1 1 1 1 Hill Illlllllllllllllllllll Dubuque dol. / :rs formation Maysv ills formation U.S. NATIONAL MUSELUM S 1 L U R 1 A N GENERAL TIME SCALE brthem Arkansas £as tMissouriano 'Illinois CentraJ DEVOr HELDERB Becraft (NX) 41AN New Scotland (N.Y.) B alley Is. Haragar ER6IAN) Coeymans (N.Y.) Keyserjyv.Va.) < 0 3 Manlius (N.Y.) & Tonoloway (Md) I Wills Creek (Md) 3 Bloomsburfc (Fa..) < O LOWER Salina-MSKenzie (N.Y.) (Md.) N I AGARAN LOCKPORT Louisville (Ky.) / HenryhoL Guelph (Canada) ( 3ainbrid^e Is/ East of Z -- Bob (Tenn.) | St. Lous)/ Beech F?iver (Tenn / Racine (Wis.) / / Waukesha (Wis) / > / WaJdron (Ind.) / Laurel (Ind) CLINTON Rochester (N.Y) St-Clair Is. (Upper) Irondequoit (N.Y) ~£ XA/ill'iamcrti-i ^NIY^ .-.- Willidjnson (.NJ.) . w -i- -ii rwYi ° k e St.ClaJr Sodus (N.Y) '^ MEDINAN ALBION Thorold(Arthrophycus ss) t Brassfield (Ky) | 5t.C!air la(Lower) Br a^fi^d (Sexton Creek) Chimney H Noix (Mo.) 4» § N ^niS6reend6t. oix ^oolite Ed^ewood (Mo.) J -p E MU ffJannahm Whiteoak (Tenn. -2 g Iffln::;::: • Girardeau (Mo.) » < C \z&&m^**~* RICHMONDIAN Elkhorn (Ind.) Whitewater (Ind.) 1 1 Maquoketa (Iowa) Cason shale The! »^^^C sx^ 6 Liberty (Ind.) Waynesville(0hio) Fernvade O^stTenn.) gp^Poik^ayou) F ernvaJe shaJe Fernvale Arnheim (Ohio) ! Dubuque (Iowa) ORDOVICIAN (CINCINNATI AK Maysville R R ELAT I ON TABLE BULLETIN 9cL PLATE 4. Uc wa. Island oFAnticosti ArisaJ&NovaScotfa. WaJesa/v 'Shropshire Scot/and 1 rc. __.. Ludlow 5tonehouse form. J g Wenlock Wenlock 1 j E fMoydart form. limestone andshate 1 " jj f :: .£ Chicotte Jupiter River Wooihope.ls. M^Adamfbrm. -- Ross Bnook form. Tarannon ^BeechhillCbveibrm. Upper Uandovery Upper Birkhitf § '^ 1 8 1 Gun River £ Lower Lower < Llancfovery Sirkhill ecsie iver — p-i — Gamachian I 11 L (aiisBay) Charleton (Probable hiatus) L _ - English Head - " V 1 Q^A^Q ^llb LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CAL //i>< LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALI QJS-^\D LIBRARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF C, ARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNIA | ARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNIA QJ/~^~^\D ARY OF THE UNIVERSITY OF CALIFORNIA LIBRARY OF THE UNIVERSITY OF CALIFORNh 6\v~yTt>