Catalog of the Illustrated Paleozoic Plant Arthur D. Watt Specimens in the National Museum of Natural History Jk FEB 26 1971 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY - 1970 NUMBER 5 SERIAL PUBLICATIONS OF THE SMITHSONIAN INSTITUTION The emphasis upon publications as a means of diffusing knowledge was expressed by the first Secretary of the Smithsonian Institution. In his formal plan for the Institution, Joseph Henry articulated a program that included the following statement: “It is proposed to publish a series of reports, giving an account of the new discoveries in science, and of the changes made from year to year in all branches of knowledge not strictly professional.” This keynote of basic research has been adhered to over the years in the issuance of thousands of titles in serial publications under the Smithsonian imprint, commencing with Smithsonian Contributions to Knowledge in 1848 and continuing with the following active series: Smithsonian Annals of Flight Smithsonian Contributions to Anthropology Smithsonian Contributions to Astrophysics Smithsonian Contributions to Botany Smithsonian Contributions to the Earth Sciences Smithsonian Contributions to Paleobiology Smithsonian Contributions to Zoology Smithsonian Studies in History and Technology In these series, the Institution publishes original articles and monographs dealing with the research and collections of its several museums and offices and of professional colleagues at other institutions of learning. These papers report newly acquired facts, synoptic interpretations of data, or original theory in specialized fields. Each publi¬ cation is distributed by mailing lists to libraries, laboratories, institutes, and interested specialists throughout the world. Individual copies may be obtained from the Smithsonian Institution Press as long as stocks are available. S. Dillon Ripley Secretary Smithsonian Institution SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY NUMBER 5 Arthur d. Watt Catalog of the Illustrated Paleozoic Plant Specimens in the National Museum of Natural History SMITHSONIAN INSTITUTION PRESS CITY OF WASHINGTON 1970 ABSTRACT Watt, Arthur D. Catalog of the Illustrated Paleozoic Plant Specimens in the National Museum of Natural History. Contributions to Paleobiology, 5:1-53. 1970-A catalog of the illustrated Paleozoic fossils in the National Museum of Natural History is presented, updating United States National Museum Bulletin 53, part 2, section 3, 1907. Publication of this paper has been authorized by the Director, United States Geological Survey. Official publication date is handstamped in a limited number of initial copies and is recorded in the Institution’s annual report, Smithsonian Year. UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1970 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price GO cents (paper cover) Arthur D. Watt Introduction This catalog, which is up to date as of 1964, is presented as a supplement to the Paleozoic content of A. G. Peak’s paleobotanical catalog in United States Na¬ tional Museum Bulletin 53, part 2, section 3, published in 1907 as “Catalogue of the Type and Figured Speci¬ mens of Fossils, Minerals, Rocks, and Ores in the De¬ partment of Geology, United States National Museum: Part 2. Fossil Vertebrates; Fossil Plants; Minerals, Rocks, and Ores.” It was prepared under the direction of George P. Merrill, then Head Curator of Geology. Genera are listed alphabetically, as are the species under each genus. An index to species is provided for convenient cross reference. The age used for each speci¬ men is that of the referenced author and does not necessarily reflect present U.S. Geological Survey usage. The numbers following geologic age in each entry refer to numbers in the United States National Museum paleobotanical catalogs. The abbreviated references indicated in each entry are cited fully in the bibliography. A very small percentage of the specimens listed here have not actually been illustrated, but inasmuch as they were textually isolated or represent unfigured parts of figured specimens they are included. Furthermore, typological status of specimens is not indicated here because in so many cases it is obscure; this is particu¬ larly true of material treated in the older works, in which types were not designated. Arthur D. Watt, United States Geological Survey, Washing¬ ton, D.C. 20240. Catalog of the Illustrated Paleozoic Plant Specimens in the National Museum of Natural History List of Specimens A crangiophyllum pendulatum (Lesley) Mamay. Pennsylvanian. 14726— 28. Cordova, Alabama. Mamay, 1955, pp. 177-183, figs. 1-5. Adiantites bassleri Read. Mississippian. 41000. Paracas Peninsula, Peru. Read, 1938a, p. 399, fig. 7. cardiopteroides Read. Mississippian (Pocono). 40683, 40685-86, 40700. Allegheny Station, Virginia. Read, 1955, p. 18, pi. 3: fig. 5; pi. 13: figs. 1, 2, 5. cyclopteroides Read. Mississippian (Pocono). 40652, 40684. Tionesta, Pennsylvania. Read, 1955, p. 18, pi. 11: figs. 1-2; pi. 12: figs. 1,2. minima White. Mississippian (Wedington). 39477. Winslow quadrangle, Arkansas. White, 1936b, p. 18, pi. 4: fig. 38. peruianus (Berry) Read. Mississippian. 40999. Paracas Peninsula, Peru. Read, 1938a, p. 401, fig. 3. rockymontanus Read. Pennsylvania (Weber). 39159. Evans Peak, Colorado. Read, 1934, p. 88, pi. 18: figs. 5, 6. spectabilis Read. Mississippian (Pocono). 40634, 40640, 40646-48, 40665, 40687-88. Bellwood, Blair County and Caledona, Clearfield County, Pennsyl¬ vania. Read, 1955, p. 17, pi. 7: fig. 3; pi. 10: fig. 6; pi. 11: figs. 4, 5; pi. 14: figs. 1-4. 1 2 spectabilis Read. Mississippian (Pocono). 40688. Caledona, Pennsylvania. Read and Mamay, 1964, pi. 1: fig. 1. stanleyanus White. Mississippian (Stanley). 39373. De Queen quadrangle, Arkansas. White, 1936c, p. 58, pi. 10: figs. 26, 28. ungeri Read. Mississippian (Pocono). 40660-62. Potts- ville, Pennsylvania. Read, 1955, p. 17, pi. 2: figs. 4-6. species. Mississippian (Stanley). 39374-75. De Queen quadrangle, Arkansas. White, 1936c, p. 59, pi. 11: figs. 14,16, 19. Alcicornopteris altoonensis Read. Mississippian (Pocono). 40649-50. Altoona, Pennsylvania. Read, 1955, p. 19, pi. 16: figs. 1, 2. Alethopteris ambigua Lesquereux. Pennsylvanian (Cherokee). 13066, 41056-57. Henry County, Missouri. Lesque¬ reux, 1880, p. 182, pi. 31: figs. 1-3. ambigua Lesquereux. Pennsylvanian (Cherokee). 5634, 41058-59. Henry County, Missouri. White, 1899a, p. 113, pi. 41: fig. 9; pi. 37: figs. 3, 4. crassa Lesquereux. Pennsylvanian (Allegheny). 12244. Cannelton, Pennsylvania. Lesquereux, 1884, p. 748, pi. 98: fig. 5. evansi Lesquereux. Pennsylvanian (Walden). 11886— 890. Tracy and Rock wood, Tennessee. Lesquereux, 1884, p. 834, unfigured types. evansi Lesquereux. Pennsylvanian (Pottsville). 40849. Bloomington quadrangle, Indiana. Jackson, 1917, p. 418, pi. 3: fig. 3. evansi Lesquereux. Pennsylvanian (Pottsville). 40962, 40972. Pottsville Gap, Pennsylvania. White, 1900, p. 887, pi. 192: figs. 7, 8. grandifolia Newberry. Pennsylvanian (Pottsville). 40852, 40912. Bloomington quadrangle, Indiana. Jackson, 1917, p. 418, pi. 2: fig. 9; pi. 3: fig. 6. grandini (Brongniart) Goeppert. Pennsylvanian (Bonner Springs). 12216. Garnett, Kansas. Cridland et al., 1963, pi. 20: fig. 39. halli Lesquereux. Pennsylvanian (Allegheny). 42328. Mazon Creek, Illinois. Lesquereux, 1870, p. 394, pi. 10: figs. 7, 8. lacoei White. Pennsylvanian (Pottsville). 40973, 40982. Lower Eureka tunnel, Pennsylvania. White, 1900, p. 884, pi. 193: figs. 1,2. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY lonchitica Brongniart. Pennsylvanian (Vandever). 41979. Durham, Georgia. Allen and Lester, 1954, pi. 35: fig. 1. robusta Lesquereux. Pennsylvanian (Allegheny). 12174-77. Cannelton, Pennsylvania. Lesquereux, 1884, p. 835. rugosum Lesquereux. Pennsylvanian. 11942. Pottsville, Pennsylvania. Lesquereux, 1858, p. 11, pi. 1: fig- 2. serli Brongniart. Pennsylvanian (Pottsville). 40879a, 40879b. Clay City quadrangle, Indiana. Jackson, 1917, p. 419, pi. 7: figs. 1,2. serli Brongniart. Pennsylvanian (Cherokee). 12098— 100. Henry County, Missouri. Lesquereux, 1880, p. 176, pi. 29: figs. 2-4. serli missouriensis White. Pennsylvanian (Cherokee). 3594. Henry County, Missouri. White, 1899a, p. 117, pi. 37: figs. 1,2. species. Pennsylvanian (Pottsville). 40847-48, 40865. Bloomington, Indiana. Jackson, 1917, p. 418, pi. 3: figs. 1,2; pi. 5: fig. 5. Algoid axis. Pennsylvanian (Cherokee). 5726. Henry County, Missouri. White, 1899a, pi. 44: fig. 4. Alloiopteris arkansana White. Mississippian (Stanley). 39378- 383A. De Queen quadrangle, Arkansas. White, 1936c, p. 59, pi. 10: figs. 3, 10, 11, 13, 20,21,23,27; pi. 11: figs. 9, 10, 22, 23. erosa Gutbier. Pennsylvanian (Cherokee). 5614, 12386. Henry County, Missouri. White, 1899a, p. 70, pi. 23: fig. 6; pi. 24: fig. 3. inaequilateralis (Lesquereux) White MS. Pennsyl¬ vanian (Morrow). 14223. Washington County, Arkansas. Read and Mamay, 1964, pi. 5: fig. 5. (Corynepteris?) winslovi White. Pennsylvanian (Cherokee). 5609-13, 5689-90, 5721. Henry County, Missouri. White, 1899a, p. 72, pi. 22: figs. 1-3; pi. 23: figs. 1-5. Aneimites (Wardia) cardiopteroides White. Pennsylvanian (Walden). 40120a-c. Suwanee, Tennessee. White, 1943, p. 103, pi. 38: figs. 1-4, 19. (Wardia) fertilis White. Pennsylvanian (Pottsville). 30840-42, 30844, 41064-66, 40115a-f, 40124a-b, 42004. Nuttall, West Virginia. White, 1943, p. 101, pi. 37: figs. 1-5, 7-11; pi. 39: figs. 13-16; 1904, NUMBER 5 3 p. 323, pi. 47: figs. 1-3; pi. 48: figs. 1-12, 14. fertilis White. Early Pennsylvanian. 40124a. Nuttall, West Virginia. Read and Mamay, 1964, pi. 4: fig. 4. polymorphus White. Pennsylvanian (Pottsville). 40122a-d, 42002-03. Rush Run, West Virginia. White, 1943, p. 103, pi. 38: figs. 7, 11, 16-18. pottsvillensis White. Pennsylvanian (Pottsville). 40116b, 42061. Lincoln colliery near Tremont, Pennsylvania. White, 1900, p. 868, pi. 190: figs. 1, 2. pottsvillensis White. Pennsylvanian (Pottsville). 40116a-b, 40118b. Tremont, Pennsylvania, and Clark’s Gap, West Virginia. White, 1943, p. 102, pi. 37: figs. 6, 15, 16, 18. " pottsvillensis intermedium White. Pennsylvanian (Pottsville). 40119a-c. Ringgold quadrangle, Georgia. White, 1943, p. 102, pi. 37: figs. 12-14, 19. (Wardia) pseudopecopteris White. Pennsylvanian (Pottsville). 40121a-b. Rush Run, West Virginia. White, 1943, p. 103, pi. 38: figs. 5, 6, 9, 13, 15. (Wardia) tenuifolius (Goeppert) White. Pennsyl¬ vanian (Pottsville). 40112, 40113a-d, 40123. Nuttall, West Virginia. White, 1943, p. 101, pi. 36: figs. 1-3, 7, 9, 10; pi. 38: figs. 10, 14. tenuifolius (Goeppert) White. Early Pennsylvanian. 40113d. Nuttall, West Virginia. Read and Mamay, 1964, pi. 4: fig. 3. (Wardia) tenuifolius difoliolatus White. Pennsyl¬ vanian (Pottsville). 40114a-c. Ringgold quadrangle, Georgia. White, 1943, p. 101, pi. 36: figs. 8, 11; pi. 38: figs. 8, 12. (Wardia) virginiana White. Pennsylvanian (Potts¬ ville). 40125a-g, 40126a-k. West Virginia. White, 1943, p. 101, pi. 39: figs. 1-12, 17-29. Ankyropteris glabra Baxter. Pennsylvanian (Des Moines). 41294. Booneville, Indiana. Baxter, 1951, unfigured section of the holotype. hendricksi Read. Pennsylvanian (Johns Valley). 41236. Atoka County, Oklahoma. Read, 1938b, pp. 335-338, figs. 1-3. Annular ia ?americana Read. Permian (Tubarao Series;. 40591- 92. Parana. Brazil. Read, 1941, p. 87, pi. 6: figs. 5, 6. asteris Bell. Pennsylvanian (Pottsville). 17860. Black- ville, West Virginia. Abbott, 1958, p. 310, pi. 49: figs. 88, 89. cuspidata Lesquereux. Pennsylvanian (Pottsville). 17851. Rushville, Ohio. Lesquereux, p. 725, pi. 92: fig. 7. emersoni Lesquereux. Pennsylvanian (Monongahela). 17841. St. Clairsville, Ohio. Lesquereux, 1880, p. 50, pi. 92: fig. 6. longifolia Brongniart (reverse). Pennsylvanian (Allegheny). 17863. Mazon Creek, Illinois. Lesque¬ reux, 1880, p. 45, pi. 2: fig. 2. longifolia Brongniart. Pennsylvanian (Allegheny). 17862. Mazon Creek, Illinois. Lesquereux, 1880, p. 45, pi. 2: fig. 1. minuta Brongniart. Pennsylvanian or Permian (Dun- kard). 17860. Blackville, West Virginia. Lesquereux, 1884, p. 725, pi. 92: fig. 8. sphenophylloides (Zenker) Gutbier (counterpart). Pennsylvanian (Allegheny). 17971. Mazon Creek, Illinois. Lesquereux, 1880, p. 48, pi. 2: fig. 8. sphenophylloides intermedia Lesquereux. Pennsyl¬ vanian (Cherokee). 17950. Lawrence, Kansas. Lesquereux, 1884, p. 724. sphenophylloides minor Lesquereux. Pennsylvanian (Monongahela). 17841. St. Clairsville, Ohio. Lesquereux, 1879, pi. 3: fig. 13. stellata (Scholotheim) Wood. Pennsylvanian (Chero¬ kee) . 12386. Henry County, Missouri. White, 1899a, p. 159, pi. 24: fig. 3b. stellata sporangia (Schlotheim) Wood. Pennsylvanian (McAlester). 6516. McAlester, Oklahoma. White, 1899b, p. 515, pi. 68: fig. 10. tuberculata Lesquereux. Pennsylvanian (Pottsville). 18147-48. Pittston, Pennsylvania. Lesquereux, 1884, p. 723, pi. 89: figs. 1, 2. Aphlebia acuminatum White. Pennsylvanian (LeRoy). 19566- 68. Garnett, Kansas. White, 1903, p. 100. australis Read. Mississippian. 40998. Paracas Penin¬ sula, Peru. Read, 1938a, p. 402, fig. 6. germari Zeiller. Pennsylvanian (Cherokee). 5546. Henry County, Missouri. White, 1899a, p. 106, pi. 46. parksi White. Mississippian (Jackfork). 39393. Pike County, Arkansas. White, 1936c, p. 60, pi. 10: figs. 17, 22. subgoldenbergi White. Pennsylvanian (Cherokee). 19599. Henry County, Missouri. White, 1899a, p. 110, pi. 47: fig. 7. 4 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY species. Pennsylvanian (Cherokee). 5727. Henry County, Missouri. White, 1899a, p. 112, pi. 45: fig. 1. species. Mississippian (Stanley). 39376, 39394. De Queen quadrangle, Arkansas. White, 1936c, p. 60, pi. 10: figs. 29, 30; pi. 11: fig. 15. Arachnoxylon kopfi (Arnold) Read. Devonian (Hamilton). 41286. Canandaigua Lake, New York. Read, 1938c, p. 601, pi. 30: figs. 4, 5. Arberia minasica White. Permian. 31982-84. Santa Catharina, Brazil. White, 1908, p. 541, pi. 8: figs. 8-10. A rchaeoca lami tes coralloides White. Mississippian (Jackfork). 39440. Pike County, Arkansas. White, 1936c, p. 52, pi. 14: fig. 23. fayettevillensis White. Mississippian (Wedington). 39549. Winslow quadrangle, Arkansas. White, 1936c, p. 35, pi. 9: fig. 10. gracilentus White. Mississippian (Wedington). 39550- 52. Winslow quadrangle, Arkansas. White, 1936b, p. 35, pi. 9: figs. 1, 5, 9. stanleyensis White. Mississippian (Stanley). 39435-39. De Queen quadrangle, Arkansas. White, 1936c, p. 52, pi. 13: figs. 7-11. species. Mississippian (Wedington). 39557. Winslow quadrangle, Arkansas. White, 1936b, p. 38, pi. 9: fig. 11. umbralis White. Mississippian (Wedington). 39553. Winslow quadrangle, Arkansas. White, 1936b, p. 36, pi. 9: fig. 4. wedingtonensis White. Mississippian (Wedington). 39554-56. Winslow quadrangle, Arkansas. White, 1936b, p. 37, pi. 9: figs. 7, 12, 13. Archaeopitys eastmanni Scott and Jeffrey. Devonian. 41252. Junc¬ tion City, Kentucky. Read, 1936, p. 221, pi. 28: figs. 2, 3. Archaeopteris allegheniensis (Meek) Lesquereux. Mississippian (Pocono). 2009. Lewis tunnel, Virginia. Lesquereux, 1880, p. 307, pi. 49: fig. 9. denticulata Lesquereux. Pennsylvanian (Pottsville). 17008. Rushville, Ohio. Lesquereux, 1884, p. 774. halliana (Goeppert) Dawson. Devonian (Catskill). 16943, 16945-46, 16948, 16955, 41131. Coxton Narrows, Pennsylvania. Arnold, 1939, p. 297, pi. 5: figs. 1,3; pi. 6: figs. 2, 3; pi. 7: figs. 1,2; pi. 8: fig. 1. hitchcocki (Dawson) White. Devonian. 41117. Perry, Maine. Smith and White, 1905, p. 45, pi. 3: fig. 6. hybernica (Forbes) Lesquereux. Devonian (Catskill). 16904. Coxton Narrows, Pennsylvania. Lesquereux, 1880, p. 305, pi. 50: fig. 5. jacksoni Dawson. Devonian. 36460-61. Little River and McPhail’s, Maine. Smith and White, 1905, p. 39, pi. 3: figs. 2, 3. latifolia Arnold. Mississippian (Pocono). 40666. Altoona, Pennsylvania. Arnold, 1939, p. 307, pi. 9: fig. 1. macilenta Lesquereux. Devonian (Catskill). 16962-63, 16965. Meshoppen, Pennsylvania. Lesquereux, 1884, p. 775. macilenta Lesquereux. Devonian (Catskill). 16967. Factoryville tunnel, Pennsylvania. Arnold, 1936, p. 50, pi. 1: fig. 1. minor Lesquereux. Devonian (Catskill). 16943, 16945-46, 16951. Coxton Narrows, Pennsylvania. Lesquereux, 1880, p. 302, pi. 50: figs. 1-4. obtusa Lesquereux. Devonian (Catskill). 6011. Phoeni¬ cia, New York. Prosser, 1894, p. 64, pi. 2: fig. a. rogersi (Dawson) Dawson. Devonian (Catskill). 16991, 16997, 17003. Meshoppen, Pennsylvania. Arnold, 1939, p. 303, pi. 8: figs. 2-4. rogersi (Dawson) Dawson. Devonian. 35459, 35462. Perry, Maine. Smith and White, 1905, p. 43, pi. 2: fig. 12; pi. 3: fig. 5. sphenophyllifolia Lesquereux. Devonian (Catskill). 16980-82. Meshoppen, Pennsylvania. Lesquereux, 1884, p. 775. sphenophyllifolia Lesquereux. Devonian (Catskill). 16980-81, 16985k, 41173. Meshoppen, Pennsyl¬ vania, and Port Jervis, New York. Arnold, 1936, p. 52, figs. 2-6. NUMBER 5 5 Arnoldella minuta Read. Devonian. 41253. Junction City, Ken¬ tucky. Read, 1936, p. 221, figs. 3,4. Asterophycus coxi Lesquereux. Pennsylvanian. 10254. New Har¬ mony, Indiana. Lesquereux, 1876, p. 139, pi. 2: figs. 1, 2; 1880, p. 12, pi. B: figs. 5, 6. simplex Lesquereux. Pennsylvanian. 10255. Beaver, Pennsylvania. Lesquereux, 1880, p. 13, pi. B: figs. 7, ?8. Asterophyllites arkansanus White. Pennsylvanian (Pottsville). 18117- 19. Dade County, Georgia. White, 1900, p. 897. charaeformis (Sternberg) Goeppert. Pennsylvanian (Pottsville). 18117. Dade County, Georgia. Abbott, 1958, p. 296, pi. 48: figs. 85, 86. equisetiformis (Schlotheim) Brongniart. Pennsyl¬ vanian (Allegheny). 17651. Cannelton, Pennsyl¬ vania. Lesquereux, 1880, p. 35, pi. 2: fig. 3. equisetiformis (Schlotheim) Brongniart. Pennsyl¬ vanian (Cherokee). 6085. Henry County, Missouri. White, 1899a, p. 151, pi. 59: fig. 1 c. fasciculatum Lesquereux. Pennsylvanian (Cherokee). 18291-92, 18297. Henry County, Missouri. Lesque¬ reux, 1880, p. 40, pi. 3: figs. 1-3. gracilis Lesquereux. Pennsylvanian (Pottsville). 18117-19. Dade County, Georgia. Lesquereux, 1884, p. 714, pi. 93: figs. 3, 5, 7. longifolius (Sternberg) Brongniart. Pennsylvanian (Cherokee). 5673, 5676-77. Henry County, Mis¬ souri. White, 1899a, p. 153, pi. 49: figs. 2-4. longifolius (Sternberg) Brongniart. Pennsylvanian (Weber) .35152. Evans Peak, Colorado. Read, 1934, p. 83, pi. 16: fig. 8. ovalis Lesquereux. Pennsylvanian (Allegheny). 18365— 66. Mazon Creek, Illinois. Lesquereux, 1880, p. 36, pi. 3: figs. 6, 7. fructified. Pennsylvanian (Allegheny). 18324. Mazon Creek, Illinois. Lesquereux, 1880, p. 45, pi. 3: fig. 12. cf. Asterophyllites equisetiformis (Schlotheim) Brongniart. Pennsyl¬ vanian (Spotted Ridge). 40728-29. Crook County, Oregon. Mamay and Read, 1956, p. 218, pi. 36: figs. 11, 12. Barinophyton perrianum White. Devonian. 36469. Perry, Maine. Smith and White, 1905, p. 68, pi. 4: fig. 10. richardsoni (Dawson) White. Devonian. 36467-68. Perry, Maine. Smith and White, 1905, p. 65, pi. 4: figs. 8, 9. Barrandeina perriana (Dawson) White. Devonian. 36458. Perry, Maine. Smith and White, 1905, p. 49, pi. 2: fig. 11. Biscalitheca musata Mamay. Pennsylvanian (McLeansboro). 41288. Lawrence County, Illinois. Mamay, 1957, pp. 229-239, figs. 1-30. Bornia approximatum Lesquereux. Pennsylvanian (Alle¬ gheny). 17307. Cannelton, Pennsylvania. Lesque¬ reux, 1880, p. 32, pi. 75: fig. 16. radiata Lesquereux. Pennsylvanian. 17581-82. Wash¬ ington County, Arkansas, and Pittston, Pennsylvania. Lesquereux, 1884, p. 707, pi. 91: fig. 5; pi. 93: fig. 2. cf. Bothrodendron kiltorkense Haughton. Devonian. 41849. Alaska. Mamay, 1962, p. 20, pi. 1: fig. 1. Bothrodendron species. Mississippian (Jackfork). 39450. Atoka quad¬ rangle, Oklahoma. White, 1936c, p. 55, pi. 13: figs. 4, 6. species. Mississippian (Wedington). 39542. Winslow quadrangle, Arkansas. White, 1936b, p. 32, pi. 7: fig. 5. Bowmanites moorei Mamay. Pennsylvanian (Cherokee). 40934-35. Cherokee County, Kansas. Mamay, 1959b, pp. 530- 536, figs. 1-16. 6 Brachyphyllum arizonicum White. Permian (Hermit). 38060. Grand Canyon, Arizona. White, 1929, p. 109, pi. 48: fig. 4. cf. B. australe Feistmantel. Permian (Tubarao Series). 40593-94. Parana, Brazil. Read, 1941, p. 95, pi. 6: figs. 6, 8. tenue White. Permian (Hermit). 38061. Grand Canyon, Arizona. White, 1929, p. 110, pi. 45: figs. 1-3.—Read and Mamay, 1964, pi. 14: fig. 3. Brittsia problematica White. Pennsylvanian (Cherokee). 5693, 5722-24, 5811. Henry County, Missouri. White, 1899a, p. 98, pi. 47: figs. 1-3, 5; pi. 48: figs. 1-3. Brongniartites ?aliena White. Permian (Hermit). 38043. Grand Canyon, Arizona. White, 1929, p. 84, pi. 23: fig. 2; pi. 26: figs. 1,2,4; pi. 27: fig. 2. ?yakiensis White. Permian (Hermit). 38042. Grand Canyon, Arizona. White, 1929, p. 79, pi. 23: fig. 3; pi. 24: fig. 2, 3; pi. 28: figs. 1, 2; pi. 29: figs. 1-3; pi. 30; pi. 31: figs. 1,2; pi. 37: fig. 4. ? Brongniartites species. Permian (Vale). 41777, 41848. 2 miles east of Abilene, Texas, and Lawn, Texas. Read and Mamay, 1964, pi. 19: figs. 3, 4. Buriadia species. Permian (Tubarao Series). 40595. Parana, Brazil. Read, 1941, p. 93, pi. 5 : fig. 7. Buthotrephis flexuosa Emmons. Silurian. 41134. Greenwich, New York. Hall, 1847, p. 263, pi. 69A: fig. 1. gracilis Hall. Early Silurian. 41078, 41092-93, 41123, 41125. New Hartford, New York. Hall, 1852, pp. 18, 20; pi. 5: figs, la-ld; pi. 5a: fig. 1. gracilis crassa Hall. Early Silurian. 41074, 41124, 41126. New Hartford and New York City, New York. Hall, 1852, p. 19, pi. 5: figs. 3b-3d. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY gracilis intermedia Hall. Early Silurian. 41075, 41127. New Hartford, New York. Hall, 1852, p. 19, pi- 5: figs. 2a-2b. inosculata Bassler. Ordovician (Tyrone). 42172. Hoover Mill, west of Woodbury, Tennessee. Bassler, 1932, pi. 9: fig. 3; 1935, p. 404. newlini White. Silurian. 8175. Kokomo, Indiana. White, 1901, p. 270, pi. 27. palmata Hall. Early Silurian. 41079, 41083. New Hart¬ ford, New York. Hall, 1852, p. 20, pi. 6: fig. 1; pi. 7: fig. lb. subnodosa Hall. Ordovician. 41076—77. Turin, New York. Hall, 1847, p. 262, pi. 68: figs. 3a-3b. succulens Hall. Ordovician. 41133. Glens Falls, New York. Hall, 1847, p. 62, pi. 22: fig. 2a. root of Buthotrephis. Early Silurian. 41080—82, 41094. New Hartford, New York. Hall, 1852, p. 21, pi. 7: fis. 2a-2b; pi. 10: figs. 9 a, 9b, 10. Calamites brittsi White. Pennsylvanian (Cherokee). 8793. Hemy County, Missouri. White, 1899a, p. 169, pi. 49: fig. 1. cruciatus Sternberg. Pennsylvanian (Lawrence). 17357. Lawrence, Kansas. Cridland et al., 1963, pi. 17: fig. 6. inopinatus White. Mississippian (Jackfork). 39426-28. Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 53, pi. 12: figs. 1, 13-15. menae white Mississippian (Stanley). 39433-34. De Queen quadrangle, Arkansas, and Antlers quad¬ rangle, Oklahoma. White, 1936c, p. 54, pi. 14: figs. 16, 17, 21. miseri White. Mississippian (Stanley). 39429-32. De Queen quadrange, Arkansas. White, 1936c, p. 54, pi. 14: figs. 13,22, 24-26. ramifer Stur. Pennsylvanian (Pottsville). 17521-22. Pittston, Pennsylvania. Lesquereux, 1884, p. 703, pi. 91: figs. 4,4 a. ramosus Artis. Pennsylvanian (Missourian). 17386-89. Lawrence, Kansas. Lesquereux, 1884, p. 702, pi. 92: figs. 1-4. suckowi Brongniart. Pennsylvanian (Pottsville). 40891. Clay City quadrangle, Indiana. Jackson, 1917, p. 410, pi. 8: fig. 8. suckowi Brongniart. Pennsylvanian (Lawrence). 17260. Lawrence, Kansas. Cridland et al., 1963, pi. 17: fig. 10. NUMBER 5 7 Calamodendron species. Pennsylvanian (Allegheny). 17296. Cannelton, Pennsylvania. Lesquereux, 1884, p. 708, pi. 92: fig. 5. Calamopitys americana Scott and Jeffrey. Devonian. 41242-44. Junction City, Kentucky. Read, 1937, p. 81, pi. 16: fig. 1; pi. 17; figs. 1-4; pi. 26: figs. 2, 5. foerstei Read. Devonian. 41248. Junction City, Kentucky. Read, 1936, p. 219, fig. 6; 1937, p. 83, pi. 19: figs. 1-3. Calamostachys brevifolia Lesquereux. Pennsylvanian (Allegheny). 18358. Cannelton, Pennsylvania. Lesquereux, 1884, p. 718, pi. 89: fig. 5. lanceolata Lesquereux. Pennsylvanian (Pottsville). 18062-63, 18276. Washington County, Arkansas, and Dade County, Georgia. Lesquereux, 1884, p. 715, pi. 91: figs. 1,2; pi. 93: fig. 1. ovalis Lesquereux. Pennsylvanian (Pottsville). 18054, 18095. Dade County, Georgia. Lesquereux, 1884, p. 717, pi. 89: figs. 3,4. Calcareous algae Mississippian (Pocono). 40248. Cleveland, Virginia. Butts, 1941, pi. 127: fig. 26. Calcisphaera lemoni Knowlton, Early Devonian (“Corniferous”). 3664. Falls of the Ohio, Indiana. Knowlton, 1889, pp. 202-209, figs. 1-3. Callipteridium aldrichi Lesquereux. Pennsylvanian (Pottsville). 11238, 11242, 12087. Jefferson Mines, Alabama. Lesquereux, 1880, p. 106, pi. 39: figs. 1-3. inaequale Lesquereux. Pennsylvanian (Cherokee). 5603, 6093, 6111. Henry County, Missouri. White, 1899a, p. 123, pi. 39: fig. 4; pi. 41: fig. Id; pi. 42: %■ g- inaequale Lesquereux. Pennsylvanian (Allegheny). 11916-20. Cannelton Pennsylvania. Lesquereux, 1880, p. 168, pi. 33: figs. 2-5. mansfieldi Lesquereux. Pennsylvanian (Allegheny). 11930-32. Cannelton, Pennsylvania. Lesquereux, 1880, p. 166, pi. 27: figs. 1,2. membranaceum Lesquereux. Pennsylvanian (Chero¬ kee). 5625, 5691, 5810, 13181-82, 13187. Henry County, Missouri. Lesquereux, 1880, p. 172, pi. 27: figs. 4-6.—White, 1899a, p. 120, pi. 38: figs. 1-5. cf. C. membranaceum Lesquereux (counterpart). Pennsylvanian. 41986. Georgia. Allen and Lester, 1954, pi. 35: fig. 9. neuropteroides Lesquereux. Pennsylvanian (Alle¬ gheny) . 11878-79. Mazon Creek, Illinois. Lesque¬ reux, 1880, p. 166, pi. 27: fig. 3. rigidum Lesquereux. Pennsylvanian (“Anthracite” Series). 13601-02. Olyphant, Pennsylvania. Lesque¬ reux, 1884, p. 746, pi. 99: figs. 1, 2. sinuatum (Brongniart) Lesquereux. Pennsylvanian (Allegheny). 13605-06. Mazon Creek, Illinois. Lesquereux, 1884, p. 745, pi. 99: fig. 3. sullivanti Lesquereux. Pennsylvanian (Cherokee). 3589, 5479, 5481-82, 5660. Henry County, Missouri. White, 1899a, p. 123, pi. 39: figs. 1, 2; pi. 41: figs. 1-3. species. Pennsylvanian (Pottsville). 40851, 40853, 40855, 40857. Bloomington quadrangle, Indiana. Jackson, 1917, p. 419, pi. 3: figs. 5, 7; pi. 4: figs. 2,4. Callipteris cf. C. adzvensis Zalessky. Permian (Vale). 41778, 41847. 2 miles east of Abilene, Texas. Read and Mamay, 1964, pi. 19: figs. 5, 6. arizonae White. Permian (Hermit). 38027. Grand Canyon, Arizona. White, 1929, p. 50, pi. 13. conferta (Sternberg) Brongniart. Permian (Hermit). 38026. Grand Canyon, Arizona. White, 1929, p. 47, pi. 11: figs. 1, 2; pi. 12: figs. 3-5; pi. 17: fig. 4. conferta (Sternberg) Brongniart. Permian (Abo). 41224. Spanish Queen mine, 6 miles southwest of Temez Springs, New Mexico. Read and Mamay, 1964, pi. 13: fig. 5. sp. cf. C. flabellifera (Weiss) Zeiller. Permian (Belle Plains). 41769. Emily Irish grant, Baylor County, Texas. Read and Mamay, 1964, pi. 17: fig. 2. lyratifolia Zeiller. Early Permian. 41225. 1 mile south of Coyote Post Office, Rio Arriba County, New Mexico. Read and Mamay, 1964, pi. 13: fig. 4. 378-770 0 - 70 -2 8 raymondi Zeiller. Permian (Hermit). 38028. Grand Canyon, Arizona. White, 1929, p. 52, pi. 12: fig. 2; pi. 36: fig. 3. Callipteris? species. Permian (Hermit). 38029. Grand Canyon, Arizona. White, 1929, p. 53, pi. 35: figs. 1, 2. Callithamnopsis fruticosa (Hall) Whitfield. Ordovician. 41088-89. Platteville, Wisconsin. Whitfield, 1894, p. 354, pi. 11: figs. 4-7. Calymmatotheca species. Mississippian (Stanley). 39412. De Queen quadrangle, Arkansas. White, 1936c, p. 64. pi. 14: figs. 1, 9. Cantheliophorus cultriformis (Lesquereux) Bassler. Pennsylvanian (Allegheny). 16087-88. Cannelton, Pennsylvania. Bassler, 1919, p. 98, pi. 9: figs. 5-7. linearifolius (Lesquereux) Bassler. Pennsylvanian (Pottsville). 16069. Pittston, Pennsylvania. Bassler, 1919, pp. 97-98, pi. 9: figs. 1, 2. pugiatus Bassler. Pennsylvanian (Pottsville). 16108. Pittston, Pennsylvania. Bassler, 1919, p. 101, pi. 10: fig. 27. subulatus Bassler. Pennsylvanian (Cherokee). 16095- 96. Lansing, Kansas. Bassler, 1919, pp. 98-99, pi. 9: fig. 12. Cardiocarpon acuminatum Jackson. Pennsylvanian (Pottsville?). 40898. Clay City quadrangle, Indiana. Jackson, 1917, p. 422, pi. 9: fig. 9. akroni Read. Pennsylvanian (Pottsville). 25382. Akron, Ohio. Read, 1946, p. 22, pi. 2: fig. 5.—Read and Mamay, 1964, pi. 7: fig. 2. annularis (Sternberg) Lesquereux. Pennsylvanian (Pottsville). 25801-03. Pittston, Pennsylvania. Les¬ quereux, 1884, p. 814, pi. 110: figs. 28-30. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY annulatum Newberry. Pennsylvanian (Pottsville). 25441-42. Pittston, Pennsylvania. Lesquereux, 1880, p. 564, pi. 85: figs. 36,37. annulatum? Newberry. Pennsylvanian (Pottsville). 40887. Clay City quadrangle, Indiana. Jackson, 1917, p. 421, pi. 8: fig. 4. barcellosum White. Early Permian. 32022. Rio Grande do Sul, Brazil. White, 1908, p. 567, pi. 10: fig. 11. bicuspidatum (Sternberg) Newberry. Pennsylvanian (Pottsville). 40880, 40886. Clay City quadrangle, Indiana. Jackson, 1917, p. 424, pi. 7: fig. 6; pi. 8: fig. 3. branneri White. Pennsylvanian (Cherokee). 6097. Henry County, Missouri. White, 1899a, p. 266, pi. 61: fig. \e. circularis Lesquereux. Pennsylvanian (Allegheny). 25592. Vermillion County, Indiana. Lesquereux, 1884, p. 812, pi. 110: fig. 10. commune Jackson. Pennsylvanian (Pottsville). 40910. Clay City quadrangle, Indiana. Jackson, 1917, p. 423, pi. 10: fig. 11. conglobatus Lesquereux. Pennsylvanian (Pottsville). 25565. Arkansas. Lesquereux, 1884, p. 810, pi. 109: fig. 11. cordatum Jackson. Pennsylvanian (Pottsville). 40899, 40909. Clay City quadrangle, Indiana. Jackson, 1917, p. 423, pi. 9: fig. 10; pi. 10: fig. 10. cornutum Dawson. Pennsylvanian (Pottsville). 40974. Pottsville Gap, Pennsylvania. White, 1900, p. 908, pi. 193: fig. 10. crassus Lesquereux. Pennsylvanian (Pottsville). 25598-602. Pittston, Pennsylvania. Lesquereux, 1884, p. 812, pi. 109: fig. 12; pi. 110: figs. 6-9. cuneatum Jackson. Pennsylvanian (Pottsville). 40905, 40907. Clay City quadrangle, Indiana. Jackson, 1917, p. 423, pi. 10: figs. 4,6. dilatatus Lesquereux. Pennsylvanian (Pottsville). 25384. Washington County, Arkansas. Lesquereux, 1884, p. 806, pi. 110: fig. 2. diminutivus Lesquereux. Pennsylvanian (Pottsville). 26418. Pittston, Pennsylvania. Lesquereux, 1880, p. 570, pi. 85: fig. 48. diplotesta Lesquereux. Pennsylvanian (Pottsville). 25672. Pittston, Pennsylvania. Lesquereux, 1884, p. 812, pi. 110: fig. 13. diver gens Lesquereux. Pennsylvanian (“Anthracite” Series). 25511-12. Pittston, Pennsylvania. Lesque¬ reux, 1884, p. 811, pi. 110: fig. 4. NUMBER 5 9 ellipticus (Sternberg) Lesquereux. Pennsylvanian (Allegheny). 25888-89. Cannelton, Pennsylvania. Lesquereux, 1884, p. 814, pi. 110: figs. 23, 24. ellipticus (Sternberg) Lesquereux. Pennsylvanian (Pottsville). 25786-88. Pittston, Pennsylvania. Les¬ quereux, 1884, p. 814, pi. 110: figs. 25-27. elongatus Newberry. Pennsylvanian (Pottsville). 25714. Pittston, Pennsylvania. Lesquereux, 1884, p. 804, pi. 109: fig. 16. girtyi White. Pennsylvanian (Pottsville). 40979. New Lincoln colliery, Pennsylvania. White, 1900, p. 907, pi. 193: fig. 11. gracile Jackson. Pennsylvanian (Pottsville). 40906. Clay City quadrangle, Indiana. Jackson, 1917, p. 423, pi. 10: fig. 5. harveyi Lesquereux. Pennsylvanian (Pottsville). 26158-59. Washington County, Arkansas. Lesque¬ reux, 1884, p. 808, pi. 109: figs. 22, 23. ingens Lesquereux. Pennsylvanian (Pottsville). 25417. Washington County, Arkansas. Read, 1946, p. 22, pi. 2: fig. 4. irregulare Jackson. Pennsylvanian (Pottsville). 40908a-b. Clay City quadrangle, Indiana. Jackson, 1917, p.422, pi. 10: figs. 8,9. late-alatus Lesquereux. Pennsylvanian (Pottsville). 25685. Pittston, Pennsylvania. Lesquereux, 1880, p. 568, pi. 85: fig. 46. latior Lesquereux. Pennsylvanian (Pottsville). 25585- 86. Rockwood and Tracy, Tennessee. Lesquereux, 1884, p. 811, pi. 110: figs. 11,12. longicollis Lesquereux. Pennsylvanian (Pottsville). 26165. Dade County, Georgia. Lesquereux, 1884, p. 808, pi. 109: fig. 24. moreiranum White. Early Permian. 32019. Santa Catharina, Brazil. White, 1908, p. 563, pi. 10 : fig. 10. obtusum Jackson. Pennsylvanian (Pottsville). 40911. Clay City quadrangle, Indiana. Jackson, 1917, p. 426, pi. 10: fig. 13. oliveiranum White. Early Permian. 32021. Santa Catharina, Brazil. White, 1908, p. 565, pi. 10: fig. 9. ovalis Lesquereux. Pennsylvanian (Pottsville). 25516- 17. Washington County, Arkansas. Lesquereux, 1884, p. 810, pi. 109: fig. 9. ovaloidum Jackson. Pennsylvanian (Pottsville). 40872. Bloomington quadrangle, Indiana. Jackson, 1917, p. 425, pi. 6: fig. 2. pachytesta Lesquereux. Pennsylvanian (Pottsville). 25482-86. Pittston, Pennsylvania. Lesquereux, 1884, p. 809, pi. 109: figs. 13-15. pachytestum Lesquereux. Pennsylvanian (Pottsville). 40869. Bloomington quadrangle, Indiana. Tackson, 1917,p.422,pi.5: fig. 9. patens Lesquereux. Pennsylvanian (Pottsville). 25504. Washington County, Arkansas. Lesquereux, 1884, p. 807, pi. 110: fig. 3. phillipsi Read. Pennsylvanian (Forkston coal). 25390- 91, 25396. Dutch Mountain, Pennsylvania. Read, 1946, p. 20, pi. 2: figs. 1-3. pusillus Lesquereux. Pennsylvanian (“Anthracite” Series). 25862. Wilkes-Barre, Pennsylvania. Lesque¬ reux, 1884, p. 815, pi. 110: fig. 33. pusillus Lesquereux. Pennsylvanian (Allegheny). 25923-24. Cannelton, Pennsylvania. Lesquereux, 1884, p. 815, pi. 110: figs. 31, 32. rugosum Jackson. Pennsylvanian (Pottsville). 40871. Bloomington quadrangle, Indiana. Jackson, 1917, p. 425, pi. 6: fig. 1. seixasi White. Early Permian. 32010-13. Santa Catha¬ rina, Brazil. White, 1908, p. 559, pi. 10: figs. 5-8. speciosus Lesquereux. Pennsylvanian (Allegheny). 26205. Cannelton, Pennsylvania. Lesquereux, 1884, p. 807, pi. 110: fig. 1. subcirculare Jackson. Pennsylvanian (Pottsville). 40888. Clay City quadrangle, Indiana. Jackson, 1917, p.424, pi. 8: fig. 5. zonulatus Lesquereux. Pennsylvanian (Pottsville). 25678-80. Pittston, Pennsylvania. Lesquereux, 1880, p. 568, pi. 85: figs. 44, 45. species indeterminate. Pennsylvanian (Pottsville). 40868. Bloomington quadrangle, Indiana. Tackson, 1917, p. 424, pi. 5: fig. 8. Cardiopteris abbensis Read. Mississippian (Mauch Chunk). 40680-82. Abb’s Valley, West Virginia. Read, 1955, p. 28, pi. 2: figs. 1-3. antecedens Read. Mississippian (Pocono). 40645, 40690. Pottsville, Pennsylvania. Read, 1955, p. 22, pi. 9: figs. 1, 2. hirta White. Mississippian (Wedington). 39478-81. Winslow quadrangle, Arkansas. White, 1936b, p. 19, pi. 4: figs. 29,31,32,35,37. irregularis Read. Mississippian (Pocono). 40663-64. Wythe County, Virginia. Read, 1955, p. 21, pi. 10: figs. 1, 2. species. Mississippian (Wedington). 39483. Winslow quadrangle, Arkansas. White, 1936b, p. 20, pi. 4: figs. 40, 41. 10 Carpolithes butlerianus Lesquereux. Pennsylvanian (Pottsville). 26355. Pittston, Pennsylvania. Lesquereux, 1884, p. 824, pi. Ill: fig. 19. cerasiformis Sternberg. Pennsylvanian (Allegheny). 26371. Cannelton, Pennsylvania. Lesquereux, 1884, p. 824,pi. Ill: fig. 18. confinis White. Devonian. 36470. Perry, Maine. Smith and White, 1905, p. 78, pi. 4: fig. 11. conicus Lesquereux. Pennsylvanian. 26483. Shamokin, Pennsylvania. Lesquereux, 1884, p. 824, pi. Ill: fig. 17. granularis Sternberg. Pennsylvanian. 25757-58. Pitts¬ ton, Pennsylvania, and Osage, Kansas. Lesquereux, 1884,p. 825, pi. Ill: figs. 20,21. latior Lesquereux. Pennsylvanian (Pottsville). 25964- 66. Pittston, Pennsylvania. Lesquereux, 1884, p. 826, pi. 110: fig. 69. minimus Sternberg. Pennsylvanian. 25851-52. Can¬ nelton and Wilkes-Barre, Pennsylvania. Lesquereux, 1884, p. 825, pi. 110: figs. 66, 67. perpusillus Lesquereux. Pennsylvanian (Pottsville). 25950-52. Pittston, Pennsylvania. Lesquereux, 1884, p. 825,pi. Ill: figs. 22-24. transsectus Lesquereux. Pennsylvanian (Pottsville). 25810-11. Washington County, Arkansas. Lesque¬ reux, 1884, p. 826, pi. Ill: figs. 27, 27 a. Carpolithus inquirenda White. Mississippian (Wedington). 39515- 16. Winslow quadrangle, Arkansas. White, 1936b, p. 26, pi. 8: figs. 9, 10,15. species. Early Permian. 32023. Santa Catharina, Brazil. White, 1908, p. 589, pi. 10: fig. 12. Caulopteris lacoei Lesquereux. Pennsylvanian (“Anthracite” Series). 17106, 11051. Olyphant, Pennsylvania. Lesquereux, 1880, p. 344. mansfieldi Lesquereux. Pennsylvanian (Allegheny). 17118. Cannelton, Pennsylvania. Lesquereux, 1880, p. 346, pi. 60: fig. 3. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY Chaetocladus plumula Whitfield. Ordovician. 41137. Platteville, Wisconsin. Whitfield, 1894, p. 356, pi. 11: figs. 11-13. Chaetomorpha ? prima Whitfield. Ordovician. 41091. Platteville, Wisconsin. Whitfield, 1894, p. 355, pi. 11: figs. 9, 10. Chlamidostachys chesterianus White. Mississippian (Wedington). 39558-62. Winslow quadrangle, Arkansas. White, 1936b, p. 38, pi. 8: figs. 11,17-19,21. Cladoxylon dawsoni Read. Devonian (Genesee). 39275. Bristol Center, New York. Read, 1935b, pp. 493-497, figs. 1-3. species. Devonian. 41238. Junction City, Kentucky Read, 1936, p. 223, fig. 8. Clasteria australis Dana (counterpart). Pennsylvanian. 3695. Newcastle, New South Wales, Australia. Dana, 1849, p. 719, pi. 14: fig. 3. Clepsydropsis bertrandi Read and Campbell. Devonian. 41261. New Albany, Indiana. Read and Campbell, 1939, p. 446, pi. 3: fig. 4. campbelli Read. Devonian. 41263. Junction City, Kentucky. Read, 1936, p. 222, figs. 11,13. chaneyi Read and Campbell. Devonian. 41264. New Albany, Indiana. Read and Campbell, 1939, p. 446, pi. 2: fig. 4. titan Read. Devonian. 41262. Junction City, Kentucky. Read, 1936, p. 222, fig. 7. ?Compsopteris species. Permian (Belle Plains and Vale). 41772, 41779. Godwins Creek, Baylor County, and Lawn, Taylor County, Texas. Read and Mamay, 1964, pi. 18: fig. 2; pi. 19: fig. 7. NUMBER 5 11 Conostichus broadheadi Lesquereux. Pennsylvanian. 10250. Vernon County, Missouri. Lesquereux, 1880, p. 15, pi. B: figs. 1, 2.—White, 1899a, p. 12, pi. 2: figs. 1, 2. broadheadi Lesquereux. Pennsylvanian. 10251. Vernon County, Missouri. White, 1899a, p. 12, pi. 2: figs. 3-5. prolifer Lesquereux. Pennsylvanian. 6035. Vernon County, Missouri. White, 1899a, p. 13, pi. 2: fig. 6. Cordaianthus costatus Lesquereux. Pennsylvanian (Allegheny). 19058. Cannelton, Pennsylvania. Lesquereux, 1880, p. 540, pi. 80: fig. 1. dichotomus Lesquereux. Pennsylvanian (Cherokee). 19212. Henry County, Missouri. Lesquereux, 1880, p. 546, pi. 76: fig. 6. ebracteatus Lesquereux. Pennsylvanian (“Anthracite” Series). 19216. Pittston, Pennsylvania. Lesquereux, 1884, p. 844. flexuosus Lesquereux. Pennsylvanian (“Anthracite” Series). 19217-18. Pittston, Pennsylvania. Lesque¬ reux, 1884, p. 802, pi. 109: fig. 2. ovatus Lesquereux. Pennsylvanian (Cherokee). 19187. Henry County, Missouri. Lesquereux, 1880, p. 545, pi. 76: fig. 5. ovatus Lesquereux. Pennsylvanian (Cherokee). 6073, 19202. Henry County, Missouri. White, 1899a, p. 262, pi. 72: figs. 1,2. rugosus Lesquereux. Pennsylvanian (“Anthracite” Series). 19214. Shamokin, Pennsylvania. Lesque¬ reux, 1884, pp. 803-804. rugosus scaber Lesquereux. Pennsylvanian (Alle¬ gheny). 19211. Mazon Creek, Illinois. Lesquereux, 1884, p. 804. simplex Lesquereux. Pennsylvanian (Allegheny). 19007. Cannelton, Pennsylvania. Lesquereux, 1880, p. 538, pi. 76: fig. 4. spicatus Lesquereux. Pennsylvanian (Pottsville). 19226. Pittston, Pennsylvania. Lesquereux, 1884, p. 802, pi. 109: fig. 1. cf. Cordaianthus longibracteatus Florin. Pennsylvanian (Spotted Ridge). 40727. Crook County, Oregon. Mamay and Read, 1956, p. 221, pi. 36: fig. 10. species. Pennsylvanian (Pottsville?) 40897. Clay City quadrangle, Indiana. Jackson, 1917, p. 421, pi. 9: fig. 8. Cordaicarpon apiculatus Lesquereux. Pennsylvanian (Allegheny). 25322. Cannelton, Pennsylvania. Lesquereux, 1880, p. 551, pi. 83: fig. 6a. cinctus Lesquereux. Pennsylvanian (“Anthracite” Series). 25346, 25379. Pittston, Pennsylvania. Les¬ quereux, 1884, p. 804, pi. 109: figs. 5, 6. gutbieri Grand’Eury. Pennsylvanian (Allegheny). 25328-32. Cannelton, Pennsylvania. Lesquereux, 1880, p. 549, pi. 83: figs. 8-11 ; 1884, p. 804, pi. 109: fig. 3. lineatus Lesquereux. Pennsylvanian (Allegheny). 25345. Cannelton, Pennsylvania. Lesquereux, 1884, p. 805, pi. Ill: fig. 16. mansfieldi Lesquereux. Pennsylvania (Allegheny). 25977-79. Cannelton, Pennsylvania. Lesquereux, 1880, p. 537, pi. 85: fig. 21; pi. 87: fig. 8. ovatus Gran’Eury. Pennsylvanian (Allegheny). 25305. Cannelton, Pennsylvania. Lesquereux, 1880, p. 550, pi. 83: fig. 7. species. Pennsylvanian (Weber). 39162. Evans Peak, Colorado. Read, 1934, p. 88, pi. 16: fig. 6. Cordaistrobus grand’euryi Lesquereux. Pennsylvanian (Allegheny). 19168-69. Cannelton, Pennsylvania. Lesquereux, 1878, p. 328; 1880, p. 552, pi. 82: fig. 3. Cordaites communis Lesquereux. Pennsylvanian (Cherokee). 5418, 5546, 5702. Henry County, Missouri. White, 1899a, p. 260, pi. 3: fig. 1; pi. 16; pi. 46. communis Lesquereux. Pennsylvanian (Cherokee). 18946-47. Clinton, Missouri. Lesquereux, 1878, p. 320. communis Lesquereux. Pennsylvanian (Vandever). 41989. Durham, Georgia. Allen and Lester, 1954, pi. 36: fig. 3. costatus Lesquereux. Pennsylvanian (Allegheny). 19059-60. Cannelton, Pennsylvania. Lesquereux, 1878, p. 323; 1880, p. 540, pi. 86: figs. 1,2. 12 gracilis Lesquereux. Pennsylvanian (Allegheny). 19160. Morris, Illinois. Lesquereux, 1878, p. 322: 1880, p.539, pi. 77: fig. 4. grandifolius Lesquereux. Pennsylvanian. 19103-05. Pittston, Pennsylvania. Lesquereux, 1878, p. 318; 1880, p. 530, pi. 77: fig. 2. lacoei Lesquereux. Pennsylvanian (“Anthracite” Series). 18917-18, 18920. Pittston, Pennsylvania. Lesquereux, 1880, p. 535, pi. 87: figs. 2-4. mansfieldi Lesquereux. Pennsylvanian (Allegheny). 19007, 19017, 25978, 27150. Cannelton, Pennsyl¬ vania. Lesquereux, 1878, p. 321; 1880, p. 537, pi. 76: fig. 4; pi. 78: fig. 1; pi. 87: fig. 8. radiatus Lesquereux. Pennsylvanian (Allegheny). 18907-08, 18911. Cannelton, Pennsylvania. Lesque¬ reux, 1880, p. 540, pi. 87: figs. 5,6. robbi Dawson. Pennsylvanian (Pottsville). 40883. Clay City quadrangle, Indiana. Jackson, 1917, p. 420, pi. 7: fig. 9. serpens Lesquereux. Pennsylvanian (Allegheny). 19033-36. Cannelton, Pennsylvania. Lesquereux, 1878, p. 324; 1880, p.542, pi. 79: figs. 1-4. serpens Lesquereux. Pennsylvanian. 41985. Georgia. Allen and Lester, 1954, pi. 37: fig. 5. cf. Coronostoma Pennsylvanian (McLeansboro). 41207. Berryville, Illi¬ nois. Mamay and Yochelson, 1962, pi. 33: fig. 31. Crocalophyton readi Andrews and Alt. Devonian-Mississippian. 40797-98. Boston, Kentucky. Andrews and Alt, 1956, pp. 355-371, pis. 4-10. Cryptozoon or Greysonia( ?) Paleozoic. 41139. Shelby, Alabama. Butts, 1926, pi. 9: fig. 17. Cryptozoon bassleri Wieland. Cambrian-Ordovician (“Ozark - ian”). 41090. Upper Conococheague, Pennsyl¬ vania. Wieland, 1914, p. 239, pi. 18: fig. 1. proliferum fruit conceptacles. Early Ordovician. 41138. Scotia, Pennsylvania. Wieland, 1914, p. 244, fig. 2. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY Cyclocarpon species. Permian (Hermit). 38064. Grand Canyon, Arizona. White, 1929, p. 113, pi. 49: fig. 4. Cyclopteris cf. C. acadica. Devonian. 8326. Yates County, New York. Penhallow, 1893, p. 107, pi. 9: fig. 2. alleghanensis Meek. Mississippian (Pocono). 2009. Lewis tunnel, Virginia. Meek, 1875, p. 43, pi. 1: fig. 2. halliana Goeppert. Devonian. 41131. Chemung County, New York. Hall, 1843, p. 274, illustr. 127: fig. 1. lescuriana Meek. Mississippian (Pocono). 1447. Lewis tunnel, Virginia. Meek, 1875, p. 41, pi. 2: fig. 1. virginiana Meek. Mississippian (Pocono). 2008. Lewis tunnel, Virginia. Meek, 1875, p. 43, pi. 1: fig. 3. Cylindrites striatus Lesquereux. Devonian (Waverly). 7153. Berea, Ohio. Lesquereux, 1890, p. 7, pi. 1: fig. 3. Cystosporites varius (Wicher) Dijkstra. Pennsylvanian (Secorcoal). 41196. McAlester, Oklahoma. Mamay and Yochel¬ son, 1962, pi. 33: fig. 20. Dactylophyllum johnsoni Read. Pennsylvanian (Weber). 39157. Evans Peak, Colorado. Read, 1934, p. 91, pi. 18: figs. 2, 3. Dadoxylon? meridionale White. Early Permian. 32043a-c. Rio Grande do Sul, Brazil. White, 1908, p. 583, pi. 14: figs. 1-4. nummularium White. Early Permian. 32045a, 32045c. Rio Grande do Sul, Brazil. White, 1908, p. 579, pi. 13: figs. 1-4. Danaeites emersoni Lesquereux. Pennsylvanian (Monongahela). 12710-11. St. Clairsville, Ohio. Lesquereux, 1880, NUMBER 5 13 p. 157, pi. 28: figs. 1, 2.—Read and Mamay, 1964, pi. 11: fig. 3. emersoni Lesquereux. Late Pennsylvanian. 41764. Lonaconing, Maryland. Read and Mamay, 1964, pi. 12: fig. l/ macrophyllus (Newberry) Lesquereux. Pennsylvanian. 12718. Youngstown, Ohio. Lesquereux, 1880, p. 159, pi. 25: figs. 4-6. Daubreeia pateraeformis (Germar) Zeiller. Pennsylvanian. 9667, 9682, 9686. Onaga, Kansas. Sellards, 1908, p. 433, pi. 52: figs. 1,2; pi. 55: fig. 4. Dechenia striata Lesquereux. Pennsylvanian (Allegheny). 10259. Alto, Illinois. Lesquereux, 1880, p. 430, pi. 67: fig. 3. Derbyella aurita White. Early Permian. 31991-93. Santa Catha- rina, Brazil. White, 1908, p. 545, pi. 9: figs. 1-3. Desmiophyllum gracile Lesquereux. Pennsylvanian (Allegheny). 19251. Cannelton, Pennsylvania. Lesquereux, 1878, p. 333; 1880, p.557, pi. 82: fig. 1. Dichophyllum moorei Elias. Pennsylvanian. 41141. Garnett, Kansas. Elias, 1936, fig. 7, illustr. 2. ?Dichophyllum species. Permian (Abo). 41221. Spanish Queen mine, 6 miles southwest of Jemez Springs, New Mexico. Read and Mamay, 1964, pi. 13: fig. 1. Dicranophyllum dichotomum Lesquereux. Pennsylvanian (Allegheny). 25108. Cannelton, Pennsylvania. Lesquereux, 1880, p. 553, pi. 87: fig. 9. dimorphum Lesquereux. Pennsylvanian (Allegheny). 25104-06. Cannelton, Pennsylvania. Lesquereux, 1878, pp. 329-330; 1880, p. 554, pi. 83: figs. 1, 3. rigidum Mamay and Read. Pennsylvanian (Spotted Ridge). 40733-740. Crook County, Oregon. Mamay and Read, 1956, p. 219, pi. 37: figs. 3-10. species. Pennsylvanian (Cherokee). 6076. Henry County, Missouri. White, 1899a, p. 272, pi. 41: fig. 10; pi. 73: fig. 1. Dictyo-cordaites lacoei Dawson. Devonian (Catskill). 10200. Meshop- pen, Pennsylvania. Dawson, 1889, pp. 1-3, illustr.; 1890, p. 3, fig. 1. Dictyotites fasciolus Penhallow. Devonian (Erian). 5406, 25098. West Hurley, New York. Penhallow, 1893, p. 110, pi. 10: fig. 10a; pi. 12: fig. 106. maximus Penhallow. Devonian (Marcellus). 5407. Cayuga Lake, New York. Penhallow, 1893, p. Ill, pi. 11: fig. 11. Diichnia kentuckiensis Read. Devonian (New Albany). 41245- 47. Junction City, Kentucky. Read, 1935a, pi. 30: figs. 1-5; pi. 31: fig. 1-4; pi. 32: figs. 1-8; pi. 33: figs. 1-3, 5,6. Dimeripteris incerta (Dawson) White. Devonian. 36454-56. Perry, Maine. Smith and White, 1905, p. 53, pi. 2: figs. 7-9. recurva (Dawson) White. Devonian. 36451-53. Perry, Maine. Smith and White, 1905, p. 56, pi. 2: figs. 4-6. Diplothmema aldrichi White. Pennsylvanian (Pottsville). 15031, 15044, 40093. Birmingham quadrangle and Warrior, Alabama. White, 1943, p. 97, pi. 31: figs. 3, 7; pi. 34: fig. 3. aldrichi anthracitica White. Pennsylvanian (Potts¬ ville). 40091a-b. Pottsville Gap, Pennsylvania. White, 1943, p. 98, pi. 33: figs. 6, 9; pi. 34: fig. 2. cheathami (Lesquereux) White. Pennsylvanian (Pottsville). 15026-27, 15039, 40104, 40106a-b. Tracy, Tennessee, and Blossburg, Alabama. White, 1943, p. 95, pi. 28: figs. 1-3,5-10. 14 cheathami antiqua White. Pennsylvanian (Pottsville). 40105a-b. Tazewell quadrangle. West Virginia. White, 1943, p. 96, pi. 28: figs. 4,12, cheathami minor White. Pennsylvanian (Pottsville). 40111a-b. Buckhannon quadrangle, West Virginia. White, 1943, p. 96, pi. 28: figs. 11,13. composita White. Pennsylvanian (Pottsville). 40099a- d, 42005. Bluestone Junction, West Virginia. White, 1943, p. 99, pi. 32: figs. 4-7. erectiloba White. Pennsylvanian (Pottsville). 40092. Tazewell quadrangle, West Virginia. White, 1943, p. 100, pi. 33: figs. 7-8. geniculatum (Germar and Kaulfuss) Stur. Pennsyl¬ vanian. 41013-14. Belleville, Missouri. White, 1893a, pp. 44—46, pi. 1: figs. 1, 2. glenni White. Pennsylvanian (Pottsville). 40128a-f. Wayne County, West Virginia. White, 1943, p. 95, pi. 27: figs. 10-17. halherstadti White. Pennsylvanian (Pottsville). 40107a-b. Pottsville, Pennsylvania. White, 1943, p. 96, pi. 30: figs. 1, 2. mendenhalli White. Pennsylvanian (Pottsville). 40103a-b, 42007. Horsepen, Virginia. White, 1943, p. 100, pi. 35: figs. 8, 10. microphylla (Lesquereux) White. Pennsylvanian (Pottsville). 40108-10, 42006. Tremont, Pennsyl¬ vania; Tuscaloosa and Montevallo, Alabama. White, 1943, p. 94, pi. 30: figs. 3,5-7. minor White. Pennsylvanian (Pottsville). 40095. McKean County, Pennsylvania. White, 1943, p. 98, pi. 31: fig. 6. morrowensis White. Pennsylvanian (Pottsville). 15012, 40100. Washington County, Arkansas, and Raleigh quadrangle, West Virginia. White, 1943, p. 99, pi. 35: fig. 1; pi. 34: fig. 1. obtusiloba (Brongniart) Stur. Pennsylvanian (Potts¬ ville) . 40102a-c. Careyville, Tennessee. White, 1943, p. 97, pi. 30: fig. 4; pi. 35: figs. 7, 9. patentissima (Ettinghausen) Stur. Pennsylvanian (Weber). 39153. Evans Peak, Colorado. Read, 1934, p. 87, pi. 16: fig. 3. pudica White. Early Pennsylvanian. 40088. Horsepen, Virginia. White, 1943, p. 96, pi. 29: fig. 4. pygmaeoides White. Pennsylvanian (Pottsville). 40101a, b, d. Winston, West Virginia. White, 1943, p. 100, pi. 35: figs. 3,5,6. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY reniformis White. Pennsylvanian (Pottsville). 40094a- c. Middlesboro, Kentucky. White, 1943, p. 97, pi. 31: figs. 1,2,4,5. spectabilis White. Pennsylvanian (Pottsville). 40087a-e. Estellville quadrangle, Virginia. White, 1943, p. 96, pi. 29: figs. 1-3,5, 6. subdecipiens White. Pennsylvanian (Kanawha). 40077a-b. Kanawha Falls quadrangle, West Vir¬ ginia. White, 1943, p. 95, pi. 11: figs. 9-11. trifoliolata (Artis) Stur. Pennsylvanian (Kanawha). 40096-98. Kanawha Falls quadrangle, West Vir¬ ginia. White, 1943, p. 98, pi. 32: figs. 1-3. trifoliolata kanawensis White. Pennsylvanian (Kana¬ wha). 13618, 13622, 40089-90. Kanawha County, West Virginia. White, 1943, p. 98, pi. 33: figs. 1-5. Disunites species. Permian (Belle Plains). 40626-29. Baylor County, Texas. Mamay, 1954a, pp. 7-11, figs. 1-5. Dolerophyllum pennsylvanica Dawson. Pennsylvanian. 19617-18. Mazon Creek, Illinois, and Olyphant, Pennsylvania. Dawson, 1890, pp. 7-8. Doleroptersis pennsylvanica (Dawson) White. Pennsylvanian (Le- Roy). 19620-21. Lawrence and Garnett, Kansas. White, 1903, p. 107. Eltovaria bursiformis White. Permian (Hermit). 38066. Grand Canyon, Arizona. White, 1929, p. 114, pi. 50: fig. 4. Equisetites calamitinoides White. Early Permian. 31913. Santa Catharina, Brazil. White, 1908, p. 419, pi. 5: fig. 7. gracilis Lesquereux. Pennsylvanian (Pottsville). 18236. Dade County, Georgia. Lesquereux, 1884, p. 729, pi. 90: fig. 5. occidentalis Lesquereux. Pennsylvanian (Allegheny). 18250, 18252. Mazon Creek, Illinois. Lesquereux, 1880, p. 62, pi. 3: figs. 15,16. NUMBER 5 15 Eremopteris artemisiaefolia (Sternberg) Schimper. Pennsylvanian (Pottsville). 15095. Blossburg, Pennsylvania. White, 1943, p. 92, pi. 25: figs. 4,5. bilobata White. Pennsylvanian (Cherokee). 5699- 5701, 6036. Henry County, Missouri. White, 1899a, p. 19, pi. 4; pi. 5: figs. 4-6. cheathami Lesquereux. Pennsylvanian (Pottsville). 15009, 15025-27. Washington County, Arkansas, and Tracy, Tennessee. Lesquereux, 1884, p. 770, pi. 104: figs. 2-4. crenulata Lesquereux. Pennsylvanian (Pottsville). 40146. Brookville, Alabama. White, 1943, p. 90, pi. 23: fig. 10. elegans (Ettinghausen) Lesquereux. Pennsylvanian. 15083. Port Byron, Illinois. Lesquereux, 1880, p. 294, pi. 53: fig. 7. gracilis White. Pennsylvanian (Pottsville). 40129a-e, 40130, 40133a-b. Corbin, Kentucky; Coeburn, Vir¬ ginia; Kanawha Falls quadrangle. West Virginia. White, 1943, p. 91, pi. 25: figs. 6, 7; pi. 26: figs. 1 - 10 . lincolniana White. Pennsylvanian (Pottsville). 40135— 140. Dorchester, Virginia, and various West Vir¬ ginia localities. White, 1943, p. 91, pi. 24: figs. 1-8. lincolniana White. Pennsylvanian (Pottsville). 40960. New Lincoln mine, Pennsylvania. White, 1900, p. 869, pi. 192: fig. 1. lincolniana antiqua White. Pennsylvanian (Pottsville). 40134a-b, 42078. Littleton Station, Alabama. White, 1943, p. 91, pi. 25: figs. 8-10. microphylla Lesquereux. Pennsylvanian. 41993. Geor¬ gia. Allen and Lester, 1954, pi. 34: fig. 2. missouriensis Lesquereux. Pennsylvanian (Cherokee). 30853. Henry County, Missouri. Lesquereux, 1880, p. 295, pi. 53: fig. 8. missouriensis Lesquereux. Pennsylvanian (Cherokee). 5657, 5659, 5670, 5681. Henry County, Missouri. White, 1899a, p. 16, pi. 5: figs. 1-3; pi. 6: fig. 1. neffi White. Pennsylvanian (Pottsville). 40143a-c, 40144. Nicholas quadrangle, West Virginia, and Mahoning County, Ohio. White, 1943, p. 90, pi. 23: figs. 1-5. solida (Lesquereux) White. Pennsylvanian (Alle¬ gheny). 14213-14. Mazon Creek, Illinois. White, 1903, p. 88. strigosa White. Pennsylvanian (Pottsville). 40145. Rush Run, West Virginia. White, 1943, p. 90, pi. 23: figs. 6, 7. subelegans White. Pennsylvanian (Pottsville). 40141— 42. Washington County, Arkansas, and Pottsville Gap, Pennsylvania. White, 1943, p. 91, pi. 24: figs. 9-11. trappensis White. Pennsylvanian (Pottsville). 40127a- h. Trap Hill, West Virginia. White, 1943, p. 92, pi. 27: figs. 1-9. Ernestiodendron filiciforme (Schlotheim pars.) Florin. Permian (Wichita). 41297. 8 miles north of Dundee, Texas. Florin, 1939, pis. 125-126: figs. 5,6. Fern rachids Mississippian. 39395-98. De Queen quadrangle, Arkansas. White, 1936c, p. 64, pi. 10: figs. 24-25; pi. 11: figs. 24,27. Fern? Devonian. 8324. Bristol Center, New York. Penhallow, 1893, p. 107, pi. 9: fig. 1. Fryopsis abbensis (Read) Wolfe. Mississippian (Bluefield). 40680. Abbs Valley, Tazewell County, Virginia. Read and Mamay, 1964, pi. 3: fig. 1. Fucoides? duplex Hall. Late Cambrian. 41129. Pictured Rocks, Lake Superior. Foster and Whitney, 1851, p. 226, pi. A23. Fucoides cauda-galli Vanuxem. Devonian. 41132. New York. Vanuxem, 1839, p. 128, fig. 30. Gangamopteris obovata (Carruthers) White. Early Permian. 31963— 70. Santa Catharina, Brazil. White, 1908, p. 525, pi. 8: figs. 1-7. 378-770 0 - 70 -3 16 Gigantopteris americana White. Permian (Wichita). 34061-79, 34081-83. Fulda, Texas. White, 1912, pp. 514-15, 16, pi. 43; pi. 44; pi. 45; pi. 46: figs. 1-3; pi. 47: figs. 1-4; pi. 48: figs. 1-6; pi. 49: figs. 1-7. americana White. Early Permian. 41167, 41176. Glass¬ cock County, Texas. Adams, 1933, p. 1391, fig. 1. americana White. Permian (Belle Plains). 41768. Emily Irish grant, Baylor County, Texas. Read and Mamay, 1964, pi. 17: fig. 1. americana White. Permian (Clyde). 41771. Fulda, Texas. Read and Mamay, 1964, pi. 18: fig. 1. new species A. Permian (Lueders). 41775. Lake Kemp spillway, Baylor County, Texas. Read and Mamay, 1964, pi. 19: fig. 1. new species B. Permian (Vale). 41776. Lawn, Taylor County, Texas. Read and Mamay, 1964, pi. 19: fig. 2. Girtya pennsylvanica Read. Mississippian (Pocono). 40651, 40696-97. Tionesta, Pennsylvania. Read, 1955, p. 21, pi. 15: figs. 1-3; pi. 16: fig. 3. Glenopteris lineata Sellards (counterpart). Permian. 7746. Dick¬ inson County, Kansas. Sellards, 1900, p. 185, pi. 37: fig. 3. simplex Sellards (counterpart). Permian. 8082. Dick¬ inson County, Kansas. Sellards, 1900, p. 184, pi. 39: fig. 1. simplex Sellards. Permian (Wellington). 41766. Banner City, Kansas. Read and Mamay, 1964, pi. 16: fig. 2. splendens Sellards. Permian (Wellington). 8074, 41767. 3 miles south of Banner City and 3*4 miles southeast of Elmo, Kansas. Read and Mamay, 1964, pi. 16: figs. 3,4. Glossopteris ampla Dana. Permian. 41296. New South Wales, Australia. Dana, 1849, p. 717, pi. 13: fig. 1 b. ampla Dana. Early Permian. 31943. Santa Catharina, Brazil. White, 1908, p. 509, pi. 6: fig. 9. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY cf. G. ampla Dana. Early Permian (Tubaraco Series). 40623. Santa Catharina, Brazil. Read, 1941, p. 77, pi. 4: figs. 3,5. browniana Brongniart. Permian. 1357. Newcastle, New South Wales, Australia. Dana, 1849, p. 716, pi. 12: fig. 13c. browniana Brongniart. Permian (Tubarao and Itarare Series). 40596-97, 40619. Parana, Brazil. Read, 1941, p. 81, pi. 3: fig. 1; pi. 5: figs. 3-4, 6. indica (Brongniart) Schimper. Early Permian. 31940- 42. Santa Catharina, Brazil. White, 1908, p. 503, pi. 6: figs. 5, 7-8. indica Schimper. Early Permian (Tubarao Series). 40598-40600. Parana and Santa Catharina, Brazil. Read, 1941, p. 79, pi. 4: figs. 1, 2, 4; pi. 5: figs. 1, 2,5. indica Schimper. Permian. 41998-99. Mt. Glossopteris, Antarctica. Schopf, 1962, p. 31, pi. 11: figs, la, lb. occidentalis White. Early Permian. 31944-47, 31962. Santa Catharina, Brazil. White, 1908, p. 511, pi. 7: figs. 1-4. species. Early Permian. 31948-49. Santa Catharina, Brazil. White, 1908, p. 517, pi. 7: figs. 5,6. Gomphostrobus bifidus (Geinitz) Zeiller and Potonie. Early Permian. 41155. Fairplay, Colorado. Florin, 1939, pis. 151— 152: fig. 46. bifidus (Geinitz) Zeiller and Potonie. Permian (Abo). 41223. Spanish Queen mine, 6 miles southwest of Temez Springs, New Mexico. Read and Mamay, 1964, pi. 13: fig. 3. Guycampbellia microphylla (Read and Campbell) Hoskins and Cross. Mississippian (New Albany). 41276. New Albany, Indiana. Hoskins and Cross, 1951, p. 695, figs. 13-20. Gymnosperinous ament. Permian (Hermit). 38067. Grand Canyon, Arizona. White, 1929, p. 115, pi. 51: fig. 6. Haliserites chondriformis Penhallow. Devonian (late Chemung). 5405. West Plurley, New York. Panhallow, 1893, p. 110, pi. 11: fig. 9. NUMBER 5 17 dechenianus lineatus Penhallow. Devonian (late Chemung). 5409. Lanesboro, Pennsylvania. Pen¬ hallow, 1893, p. 109, pi. 12: fig. 7. lineatus Penhallow. Devonian (late Chemung). 5404, 25091. West Hurley, New York, and Factoryville, Pennsylvania. Penhallow, 1893, p. 110, pi. 10: fig. 8a; pi. 11: fig. 8 b. Haliserites? Devonian (Erian). 8329. Monroe, New York. Pen¬ hallow, 1893, p. 107, pi. 9: fig. 4. Halonia mansfieldi Lesquereux. Pennsylvanian (Allegheny). 15808. Cannelton, Pennsylvania. Lesquereux, 1880, p. 414, pi. 67: fig. 2. tortuosa Schimper. Pennsylvanian. 15811. Peoria County, Illinois. Lesquereux, 1880, p. 413, pi. 61: figs. 1, 2. Heterangium? species. Mississippian (Stanley). 39404-05. De Queen quadrangle Arkansas, and Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 60, pi. 11: figs. 21, 28; pi. 14: fig. 11. Hierogamma jeffreyi Read. Devonian. 41269. Junction City, Kentucky. Read, 1936, p. 223, fig. 10. Hymenophyllites adnascens Lindley and Hutton. Pennsylvanian. 40951. Colchester, Illinois. Lesquereux, 1870, p. 414, pi. 16: fig. 7. alatus Brongniart. Pennsylvanian. 41071. Colchester, Illinois. Lesquereux, 1866, p. 437, pi. 39: fig. 1. clarki Lesquereux. Pennsylvanian (Allegheny). 40947. Mazon Creek, Illinois. Lesquereux, 1870, p. 416, pi. 16: fig. 1. inflatus Lesquereux. Pennsylvanian. 41072. Du Quoin, Illinois. Lesquereux, 1870, p. 414, pi. 16: fig. 6. mollis Lesquereux. Pennsylvanian (Allegheny). 40948, 40952, 40954. Mazon Creek, Illinois. Lesquereux, 1870, p. 418, pi. 18: figs. 4-6. strongi Lesquereux. Pennsylvania (Allegheny). 19431. Mazon Creek Illinois. Lesquereux, 1870, p. 417, pi. 18: fig. 1. thalliformis Lesquereux. Pennsylvanian. 40949-50. Mazon Creek and Colchester, Illinois. Lesquereux, 1870, p. 417,pi. 16: figs. 3,5. Hysterites brasilensis White. Early Permian. 31912. Santa Catha- rina, Brazil. White, 1908, p. 415, pi. 5: fig. 2. cordaites Grand’Eury. Pennsylvanian (Cherokee). 5418. Henry County, Missouri. White, 1899a, pp. 14, 260, pi. 3: fig. 1. Ichnophycus tridactylus Hall. Late Silurian. 41086-87. New Hart¬ ford, New York. Hall, 1852, p. 26, pi. 10: figs. 6, 7 a-b. Idiophyllum rotundifolius Lesquereux. Pennsylvanian (Allegheny). 10258. Mazon Creek, Illinois. Lesquereux, 1880, pp. 159-161, pi. 23: fig. 11. Kalymma auriculata Read. Devonian. 41257. Junction City, Kentucky. Read, 1937, p. 88, pi. 23: fig. 6. lirata Read. Devonian. 41255-56, 41258. Junction City, Kentucky, and Holy Cross, Kentucky. Read, 1936, p. 219, pi. 28: fig. 4; 1937, p. 87, pi. 23: figs. 1,2; pi. 24: fig. 1. resinosa Read. Devonian. 41259-60. Junction City, Kentucky. Read, 1937, p. 88, pi. 23: fig. 3; pi. 25: figs. 3, 4. Knorria chemungense (Hall) Arnold. Devonian (Chemung). 41128. Elmira, New York. Arnold, 1939, p. 283, pi. 2: figs. 1,2. compacta Lesquereux. Pennsylvanian. 15800-02. Thayer, Kansas. Lesquereux, 1884, p. 839. 18 Lacoea seriata Read. Pennsylvanian (Forkston coal). 1626, 26213-14, 26217, 26219, 26235, 26241-42, 26247, 26249, 26251-52, 26256. Dutch Mountain, Pennsyl¬ vania. Read, 1946, p. 18, pi. 1: figs. 1-3, 5-14. seriata Read. Pennsylvanian. 26261. Youngstown, Ohio. Read, 1946, p. 18, pi. 1: fig. 4. Lebachia americana Florin. Permian (Abo). 41142, 41144-54, 41280-84. Glorietta, La Cuava, and Canyoncita, New Mexico. Florin, 1939, pis. 93/94: figs. 5, 7-13, 18-23; pis. 95/96: figs. 1-17,19, 20. garnettensis Florin. Permian (Wichita). 41256. 8 miles north of Dundee, Texas. Florin, 1939, pis. 53/54: figs. 3, 4. garnettensis Florin. Permian (Wichita). 41298. 4 l /z miles southeast of Fulda, Texas. Florin, 1939, pi. 53/54: figs. 1,2. goeppertiana Florin. Early Permian. 41160-63. Reece, Kansas. Florin, 1939, pi. 49/50: figs. 1-6. parvafolia Florin. Early Permian. 41143. Glorietta, New Mexico. Florin, 1939, pi. 39/40: fig. 7. Lepidocystis angularis Lesquereux. Pennsylvanian. 25255-56. Port Griffith, Pennsylvania. Lesquereux, 1880, p. 456, pi. 69: fig. 17. chesterensis White. Mississippian (Wedington). 39548. Winslow quadrangle, Arkansas. White, 1936b, p. 34, pi. 6: fig. 2. fraxiniformis (Goeppert) Lesquereux. Pennsylvanian. 25165. Pittston, Pennsylvania. Lesquereux, 1880, p. 457, pi. 69: fig. 22. inquisitus White. Devonian. 36471-73. Perry, Maine. Smith and White, 1905, p. 75, pi. 4: figs. 12-14. jenneyi White. Pennsylvanian (Cherokee). 6055. Henry County, Missouri. White, 1899a, p. 215, pi. 59: fig. 3. lineatus Lesquereux. Pennsylvanian. 25254. Port Carbon, Pennsylvania. Lesqueruex, 1880, p. 454, pi. 69: fig. 4. missouriensis White. Pennsylvanian (Cherokee). 6089, 6099, 41060. Henry County, Missouri. White, 1899a, p. 216, pi. 61: figs, lb, 2; pi. 62: fig. b; pi. 64: fig. b. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY obtusus Lesquereux. Pennsylvanian (“Anthracite” Series). 25246. Pottsville, Pennsylvania. Lesquereux, 1880, p. 455, pi. 69: figs. 6, 7. pectinatus Lesquereux. Pennsylvanian (“Anthracite” Series). 25252. Pittston, Pennsylvania. Lesquereux, 1880, p.454, pi. 69: fig. 3. vesicularis Lesquereux. Pennsylvanian (“Anthracite” Series). 25228. Pittston, Pennsylvania. Lesquereux, 1880, p. 457, pi. 69: fig. 20. ?Lepidodendroid branchlet. Pennsylvanian (Spotted Ridge). 40730. Crook County, Oregon. Mamay and Read. 1956, p. 214, pi. 36: fig. 13. L epidodendron aculeatum Sternberg. Pennsylvanian (Pottsville). 40885, 40901. Clay City quadrangle, Indiana. Jack- son, 1917, p. 413, pi. 8: fig. 2; pi. 9: fig. 14. andrewsi Lesquereux. Pennsylvanian (Allegheny). 15430. Mazon Creek, Illinois. Lesquereux, 1880, p. 389, pi. 64: fig. 6. boylensis Read. Devonian. 41278. Junction City, Ken¬ tucky. Read, 1936, p. 226, pi. 29: fig. 3. brittsi Lesquereux. Pennsylvanian (Cherokee). 15482, 30854. Henry County, Missouri. Lesquereux, 1880, pi. 368, pi. 63: figs. 1,2. brittsi Lesquereux. Pennsylvanian (Cherokee). 5640, 6039-40, 6042, 15488. Henry County, Missouri. White, 1899a, p. 188, pi. 52: figs. 1, 3; pi. 53: fig. 1; pi. 54: figs. 1, 2. chemungense (Hall) Hall. Devonian. 41128. Elmira, New York. Hall, 1863, p. 113: fig. 6. choctavense White. Pennsylvanian (McAlester). 6680, 6752. McAlester, Oklahoma. White, 1899b, p. 528, pi. 68: fig. 14. clypeatum Lesquereux. Pennsylvanian (Pottsville). 40867. Bloomington quadrangle, Indiana. Tackson, 1917,p. 412, pi. 5: fig. 7. corrugatum Dawson. Mississippian. 41095. Akron, Ohio. Dawson, 1862, p. 313, pi. 12: fig. 10. cuspidatum Lesquereux. Pennsylvanian (“Anthracite” Series). 15437. Plymouth, Pennsylvania. Lesquereux, 1880, p. 388, pi. 64: fig. 7. cyclostigma Lesquereux. Pennsylvanian (Cherokee). 15501. Henry County, Missouri. Lesquereux, 1880, p. 394, pi. 62: fig. 5. NUMBER 5 19 gaspeanum Dawson. Devonian. 41096. Summit, New York. Dawson, 1862, p. 312, pi. 14: fig. 27. henbesti White. Mississippian (Wedington). 39514, 39517-22. Winslow quadrangle, Arkansas. White, 1936b, p. 26, pi. 6: figs. 1,4-9. lanceolatum Lesquereux. Pennsylvanian (Cherokee). 8794. Henry County, Missouri. White, 1899a, p. 192, pi. 53: fig. 2. lanceolatum Lesquereux. Pennsylvanian (Vandever). 41980, 41992. Durham, Georgia. Allen and Lester, 1954, pi. 38: figs. 1,4. marginatum (Presl) Lesquereux. Pennsylvanian (Cherokee). 15460. Henry County, Missouri. Les¬ quereux, 1884, p. 784, pi. 107: fig. 3. novalbaniense Read and Campbell. Devonian. 41285. Junction City, Kentucky. Read and Campbell, 1939, p. 443, pi. 5: figs. 2, 4. obovatum Sternberg. Pennsylvanian (Pottsville). 2248. Searles, Alabama. Butts, 1926, p. 214, pi. 68: figs. 1-3. obovatum Sternberg. Pennsylvanian (Pottsville). 40878, 40881, 40884, 40889, 40902. Clay City quad¬ rangle, Indiana. Jackson, 1917, p. 412, pi. 6: fig. 17; pi. 7: fig. 7; pi. 8: figs. 1, 6; pi. 9: fig. 15. occidentale White Mississippian (Wedington). 39523- 24. Winslow quadrangle, Arkansas. White, 1936b, p. 27, pi. 5: figs. 5,8. pedroanum (Carruthers) Zeiller. Early Permian. 40601-05. Santa Catharina and Parana, Brazil. Read, 1941, p. 83, pi. 6: fig. 9; pi. 7: figs. 1-3; pi. 8: figs. 1-3, 6. peruvianum Gothan. Mississippian. 41002. Paracas Peninsula, Peru. Read, 1938a, p. 402: fig. 4. purduei White. Mississippian (Wedington). 39525. Winslow quadrangle, Arkansas. White, 1936b, p. 28, pi. 5: fig. 9. rigidum Lesquereux. Pennsylvanian (Pottsville). 15515-17. Dade County, Georgia. Lesquereux, 1884, p. 839. rimosum retocorticatum White. Pennsylvanian (Cherokee). 6043, 15280. Henry County, Missouri. White, 1899a, p. 196, pi. 54: figs. 3,4. scobiniforme Meek. Mississippian (Pocono). 41063. Brushy Mountain, Virginia. Butts, 1941, pi. 134: fig. 4. scobiniformis Meek. Mississippian (Pocono). 41062. Lewis tunnel, Virginia. Meek, 1875, p. 38, pi. 1: fig. 1. scutatum Lesquereux. Pennsylvanian (Cherokee). 15448. Henry County, Missouri. Lesquereux, 1880, p. 369, pi. 63: fig. 6. scutatum Lesquereux. Pennsylvanian (Cherokee). 6044-46, 6074. Henry County, Missouri. White, 1899a, p. 198, pi. 45: fig. 4; pi. 55: figs. 1, 2; pi. 72: fig. 4. sternbergi Brongniart. Pennsylvania. 16003. Braceville, Illinois. Lesquereux, 1884, p. 783, pi. 107: fig. 2. subclypeatum White. Mississippian (Jackfork). 39445-47. Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 55, pi. 12: figs. 16, 17; pi. 13: fig. 5. cf. L. veltheimianum Sternberg. Mississippian (Wed¬ ington). 39526. Winslow quadrangle, Arkansas. White, 1936b, p. 29, pi. 5: fig. 4. wedingtonense White. Mississippian (Wedington). 39527-35. Winslow quadrangle, Arkansas. White, 1936b, p. 29, pi. 7: figs. 1-4, 6, 7, 9, 10; pi. 9: fig. 6. yohoense Jackson. Pennsylvanian (Pottsville). 40866. Bloomington quadrangle Indiana. Jackson, 1917, p. 411, pi. 5: fig. 6. species. Mississippian (Wedington). 39536-37. Winslow quadrangle, Arkansas. White, 1936b, p. 31, pi. 7: fig. 8; pi. 8: fig. 23. Lepidodendropsis scobiniformis (Meek) Read Mississippian (Pocono). 40659, 40671-74, 40692. Montgomery County, Vir¬ ginia, and Pottsville, Pennsylvania. Read, 1955, p. 26, pi. 19: figs. 3-5; pi. 20: figs. 1-3.—Read and Mamay, 1964, pi. 2: fig. 2. sigillariodes Jongmans, Gothan and Darrah. Missis¬ sippian (Pocono). 40669-70. Pine Grove, Pennsyl¬ vania. Read, 1955, p. 27, pi. 19: figs. 1, 2. vandergrachti Jongmans, Gothan, and Darrah. Missis¬ sippian (Pocono). 40642-43, 40702. Pottsville and Pine Grove, Pennsylvania. Read, 1955, p. 26, pi. 18: fig. 4; pi. 20: figs. 4,5. Lepidophloios dilatatus Lesquereux. Pennsylvanian. 15941—47. Can- nelton, Pennsylvania, and Henry County, Missouri. Lesquereux, 1884, p. 781, pi. 105: figs. 1, 2,4. ichthyoderma Lesquereux. Pennsylvanian (Allegheny) 15974. Morris, Illinois. Lesquereux, 1880, p. 426, pi. 68: fig. 10. 20 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY sigillarioides Lesquereux. Pennsylvanian (Cherokee). 6173. Henry County, Missouri. Lesquereux, 1880, p. 425, pi. 68: fig. 8 van ingeni White. Pennsylvanian (Cherokee). 6047- 53, 6061, 6075, 6092, 15944, 15947. Henry County, Missouri. White, 1899a, p. 205, pi. 56: figs. 1-8; pi. 61: fig. 1 c; pi. 62; pi. 63: figs. 1, 5. species. Pennsylvanian (Allegheny). 15945, 15956. Cannelton, Pennsylvania. Lesquereux, 1880, p. 427, pi. 68: figs. 6, 7. Lepidophyllum acuminatum Lesquereux. Pennsylvanian. 15885. Dan¬ ville, Illinois. Lesquereux, 1880, p. 450, pi. 69: fig. 37. affine Lesquereux (counterpart). Pennsylvanian (“Anthracite” Series). 16240. Yatesville, Pennsyl¬ vania. Lesquereux, 1880, p. 447, pi. 69: fig. 31. brevifolium Lesquereux. Pennsylvanian (McAlester). 6492, 6498, 6501-02, 6741. McAlester, Oklahoma. White, 1899b, p. 529, pi. 68: figs. 15-18. campbellianum Lesquereux. Pennsylvanian (Potts- ville). 16376-80. Pittston Pennsylvania. Lesquereux, 1884, p. 786, pi. 107: figs. 6, 7. coriaceum Lesquereux. Pennsylvanian (Allegheny). 15908. Cannelton, Pennsylvania. Lesquereux, 1884, p. 787, pi. 107: fig. 10. cultriforme Lesquereux. Pennsylvanian (Allegheny). 16087-88. Cannelton, Pennsylvania. Lesquereux, 1884, p. 785, pi. 107: fig. 13; pi. 108: fig. 2. elegans Lesquereux. Pennsylvanian (Allegheny). 16230-31. Mazon Creek, Illinois. Lesquereux, 1884, p. 787, pi. 107: fig. 11. fallax Lesquereux. Pennsylvanian. 15896-98. Can¬ nelton, Pennsylvania; Rhode Island. Lesquereux, 1884, p. 786, pi. 107: figs. 4,5. gracile Lesquereux. Pennsylvanian (Pottsville). 16245. Pittston, Pennsylvania. Lesquereux, 1884, p. 786, pi. 107: fig. 8. jenneyi White. Pennsylvanian (Cherokee). 6078, 6083-84, 6176. Henry County, Missouri. White, 1899a, p. 214, pi. 59: figs, la, lb; pi. 63: fig. 6. linearifolium Lesquereux. Pennsylvanian (Allegheny). 16066-68. Cannelton, Pennsylvania. Lesquereux, 1880, p. 452, pi. 69: fig. 39. mansfieldi Lesquereux. Pennsylvanian (Allegheny). 15918. Cannelton, Pennsylvania. Lesquereux, 1880, p. 449, pi. 69: fig. 34. minutum Lesquereux. Pennsylvanian (“Anthracite” Series). 16243. Archbald, Pennsylvania. Lesquereux, 1884, p. 787, pi. 107: fig. 9. missouriense White. Pennsylvanian (Cherokee). 6059, 6062, 6091, 6107, 6235. Henry County, Missouri. White, 1899a, p. 216, pi. 58: fig. 2; pi. 60: fig. 2, 3; pi. 61: fig. la; pi. 62: fig. a. morrisianum Lesquereux. Pennsylvanian (Allegheny). 15916-17. Mazon Creek, Illinois. Lesquereux, 1880, p. 448, pi. 69, figs. 40-41. sagittatum White. Mississippian (Wedington). 39543- 44. Winslow quadrangle, Arkansas. White, 1936b, p. 33, pi. 6: fig. 3; pi. 9: fig. 2. stantoni Lesquereux. Pennsylvanian (“Anthracite” Series). 16221-23. Wilkes-Barre, Pennsylvania. Lesquereux, 1884, p. 841. truncatum Lesquereux. Pennsylvanian (Allegheny). 15985, 26051, 41875. Cannelton, Pennsylvania, and Mazon Creek, Illinois. Lesquereux, 1880, p. 458, pi. 69: figs. 9,10. tumidum Lesquereux. Pennsylvanian (“Anthracite” Series). 16218. Wilkes-Barre, Pennsylvania. Lesque¬ reux, 1884, p. 788, pi. 107: fig. 12. Lepidostrobus butleri Lesquereux. Pennsylvanian (Pottsville). 16175. Pittston, Pennsylvania. Lesquereux, 1884, p. 840. globosus Dawson. Devonian. 36484. Perry, Maine. Smith and White, 1905, p. 73, pi. 6: fig. 5. hastatus Lesquereux. Pennsylvanian (Pottsville). 16178. Pittston, Pennsylvania. Lesquereux, 1880, p.438, pi. 69: fig. 27. latus Lesquereux. Pennsylvanian (“Anthracite” Series). 16145-46. Olyphant, Pennsylvania. Lesque¬ reux, 1884, p. 841. missouriensis White. Pennsylvanian (Cherokee). 8796. Henry County, Missouri. White, 1899a, p. 217, pi. 60: fig. 1. occidentalis White. Mississippian (Wedington). 39545-47. Winslow quadrangle, Arkansas. White, 1936b, p. 33, pi. 5: figs. 1, 3; pi. 8: fig. 20. peniculus White. Mississippian (Jackfork). 39448-49. Pike County, Arkansas. White, 1936c, p. 57, pi. 13: figs. 1-3. praelongus Lesquereux. Pennsylvanian. 41140. Pitts¬ ton, Pennsylvania. Lesquereux, 1880, p. 433. princeps Lesquereux. Pennsylvanian (Cherokee). 6066, 6071, 6088, 6098. Henry County, Missouri. NUMBER 5 21 White, 1899a, p. 212, pi. 62: fig. h ; pi. 63: figs. 1, 2; pi. 64: fig. a. salisburyi Lesquereux. Pennsylvanian. 16130, 42298. Goal Creek, West Virginia, and Mercer County, Illinois. Lesquereux, 1880, p. 443, pi. 69: figs. 1, 2. spectabilis Lesquereux. Pennsylvanian (Allegheny). 16059-60. Cannelton, Pennsylvania. Lesquereux, 1880, p. 435. truncatus Lesquereux. Pennsylvanian (Allegheny). 16131-32. Cannelton, Pennsylvania. Lesquereux, 1884, p. 784, pi. 108: fig. 1. variabilis Lindley and Hutton. Pennsylvanian. 16002- 03. Pittston, Pennsylvania, and Braceville, Illinois. Lesquereux, 1880, p. 434, pi. 69: fig. 26; 1884, p. 783, pi. 107: fig. 2. weberensis Read. Pennsylvanian (Weber). 39155. Evans Peak, Colorado. Read, 1934, p. 82, pi. 16: figs. 2, 4. Triletes of Lepidostrobus missouriensis. Pennsylvanian (Cherokee). 6090. Henry County, Missouri. White, 1899a, p. 217, pi. 62: figs, d-e ; pi. 63: fig. 3. species. Early Permian. 40606. Santa Catharina, Brazil. Read, 1941, p. 85, pi. 8: figs. 4,5. Lepidoxylon anomalum Lesquereux. Pennsylvanian (Cherokee). 6082, 19156. Henry County, Missouri. Lesquereux, 1880, p. 557, pi. 83: fig. 5; pi. 84: fig. 1. Leptophloem rhombicum Dawson. Devonian. 36481-83. Perry, Maine. Smith and White, 1905, p. 69, pi. 6: figs. 2-4. rhombicum Dawson. Devonian. 41097-98. Perry, Maine. Dawson, 1862, p. 316, pi. 12: fig. 8; pi. 17: fig. 53. Lescuropteris moorii (Lesquereux) Schimper. Pennsylvanian (Elm- dale) . 41762-63. Onaga, Kansas. Read and Mamay, 1964, pi. 11: figs. 1,2. species. Pennsylvanian (Lawrence). 41822. Onaga, Kansas. Cridland et al., 1963, pi. 23: fig. 57. Lesleya microphylla Lesquereux. Pennsylvanian (Severy). 11744. Osage City, Kansas. Lesquereux, 1884, p. 831.—Cridland et al., 1963, pi. 23: fig. 55. Linopteris gilkersonensis White. Pennsylvanian (Cherokee). 5485, 6100. Henry County, Missouri. White, 1899a, p. 139, pi. 41: fig. 7, 8; pi. 64: fig. c. Litostrobus iowensis Mamay. Pennsylvanian (Des Moines). 41292. Urbandale, Iowa. Mamay, 1954b, pi. 14: figs. 2-14. Litostroma oklahomense Mamay. Pennsylvanian (Boggy). 40932, 40936-39. 4 miles southwest of McAlester, Okla¬ homa. Mamay, 1959a, pp. 283-292, figs. 3, 4, 26-28. Lobatannularia species. Permian (Belle Plains). 41774. Emily Irish grant, Baylor County, Texas. Read and Mamay, 1964, pi. 18: fig. 4. Lycopodiopsis derbyi Renault. Early Permian. 31922. Sao Paulo, Brazil. White, 1908, p. 437, pi. 5: fig. 11. Lycopodites arborescens Lesquereux. Pennsylvanian (Pottsville). 15559. Washington County, Arkansas. Lesquereux, 1884, p. 778, pi. 106: fig. 1. lacoei Lesquereux. Pennsylvanian (“Anthracite” Series). 10219, 16401. Olyphant, Pennsylvania. Lesquereux, 1884, p. 780, pi. 107: fig. 1. simplex Lesquereux. Pennsylvanian (Pottsville). 15552. Pittston, Pennsylvania. Lesquereux, 1884, p. 779, pi. 106: fig. 2. stocki Kidston (counterpart). Calciferous sandstone. 15534. Eskdale, Scotland. Kidston, 1884, p. 115, pi. 5: fig. 1. 22 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY vanuxemi Dawson. Devonian. 41130. Ithaca, New York. Hall, 1863, p. 115, fig. 7. Lycopogenia callicyrta Read. Devonian. 41285. Junction City, Ken¬ tucky. Read, 1936, p. 227, figs. 1, 2. Macrostachya aperta Lesquereux. Pennsylvanian (Allegheny). 18312. Cannelton, Pennsylvania. Lesquereux, 1884, p. 829, pi. 3: fig. 20. communis Lesquereux. Pennsylvanian (Allegheny). 17740-42, 17751. Cannelton, Pennsylvania. Lesque¬ reux, 1884, p. 828, pi. 3: figs. 17, 18. infudibuliformis Schimper. Pennsylvanian (Alle¬ gheny). 17729, 17730. Cannelton, Pennsylvania. Lesquereux, 1880, p. 60, pi. 3: fig. 14. lanceolata Lesquereux. Pennsylvanian (Pottsville). 18314. Pittston, Pennsylvania. Lesquereux, 1884, p. 721. minor Lesquereux. Pennsylvanian (Pottsville). 18301. Pittston, Pennsylvania. Lesquereux, 1884, p. 829, pi. 3: fig. 19. Mariopteris capitata White. Pennsylvanian (McAlester). 6514. McAlester, Oklahoma. White, 1899b, pp. 482-485. cheilanthoides White. Pennsylvanian (Pottsville). 2661. Gadsden, Alabama. White, 1943, p. 89, pi. 19: figs. 5, 6. cordata-ovata (Lesquereux) White. Late Pennsyl¬ vanian. 41765. Hazleton, Pennsylvania. Read and Mamay, 1964, pi. 12: fig. 4. decipiens (Lesquereux) White. Early Pennsylvanian. 40860, 40864. Bloomington quadrangle, Indiana. Jackson, 1917, p. 415, pi. 4: fig. 7; pi. 5: fig. 4. decipiens (Lesquereux) White. Pennsylvanian. 41019- 21, 41023-24, 41027-28. Belleville, Missouri. White, 1893a, pp. 47-52, pi. 1: figs. 5-8; pi. 2: figs. 1-3. eremopteroides White. Pennsylvanian (Pottsville). 4008 la-i. Brookside, Pennsylvania. White, 1943, p. 87, pi. 16: figs. 1, 2; pi. 17: figs. 1-9. eremopteroides White. Pennsylvanian (Pottsville). 40958. Brookside colliery, Pennsylvania. White, 1900, p. 872, pi. 189: fig. 2.—Read and Mamay, 1964, pi. 4: fig. 1. eremopteroides White. Pennsylvanian (Pottsville). 40959. Brookside, Pennsylvania. White, 1900, p. 872, pi. 189: fig. 1. inflata White. Pennsylvanian (Pottsville). 40079a-c. Thurmond, West Virginia. White, 1943, p. 88, pi. 18: fig. 4; pi. 19: figs. 1—4. inflata sewaneensis White. Pennsylvanian (Pottsville). 13661, 40078. Tracy and Rockwood, Tennessee. White, 1943, p. 88, pi. 18: figs. 1-3. lobata White. Pennsylvanian (Pottsville). 13746, 13748. Warrior Creek, Alabama. White, 1943, p. 87, pi. 15: figs. 1, 2. muricata Schlotheim. Pennsylvanian (Pottsville). 40843. Bloomington quadrangle, Indiana. Tackson, 1917, p. 415, pi. 2: fig. 2. occidentalis White. Pennsylvanian (McAlester). 6743, 6745-46, 6749, 6751. McAlester, Oklahoma. White, 1899b, p. 482, pi. 67: figs. 1-4,6. occidentalis White. Pennsylvanian (Boggy). 41220. McAlester quadrangle, Oklahoma. Read and Mamay, 1964, pi. 8: fig. 2. occidentalis villosa White. Pennsylvanian (McAles¬ ter). 6748, 6750. Krebs, Oklahoma. White, 1899b, p. 482, pi. 67: figs. 8, 9. paddocki White. Pennsylvanian (Pottsville). 40080 a-d, 42077. Pocahontas, West Virginia. White, 1943, p. 86, pi. 14: figs. 1-6. paddocki colliciaris White. Pennsylvanian (Pottsville). 40076a-e. Nuttall, West Virginia. White, 1943, p. 87, pi. 12: figs. 1,2; pi. 13: figs. 1-9. phillipsi White. Pennsylvanian (Pottsville). 40084a-d. Pottsville Gap, Pennsylvania. White, 1943, p. 89, pi 20: figs. 1-3; pi. 22: fig. 1. pottsvillea White. Pennsylvanian (Pottsville). 40247. Squire Jim, West Virginia. Butts, 1941, pi. 135: fig. 1. pottsvillea White. Pennsylvanian (Pottsville). 40955- 57, 40963. Lincoln mine, Pennsylvania. White, 1900, p.874, pi. 190: figs. 3-6. pottsvillea White. Pennsylvanian (Pottsville). 2206, 13656-58, 13711-12, 13717, 13752. Warrior Creek, Alabama, and Cole City, Georgia. White, 1943, p. 86, pi. 8: fig. 1; pi. 9: figs. 1-5; pi. 10: figs. 1-5. pottsvillea White. Pennsylvanian (Lookout). 13658. Cole City, Georgia. Read and Mamay, 1964, pi. 5: fig. 1. NUMBER 5 23 pottsvillea dilatata White. Pennsylvanian (Pottsville). 2668a-b, 2669. Gadsden, Alabama. White, 1943, p. 86, pi. 11: figs. 2-6. pottsvillea ovalis White. Pennsylvanian (Pottsville). 40074-75. Squire Jim, Virginia. White, 1943, p. 86, pi. 11: figs. 1, 7/8; pi. 12: fig. 3. pygmaea White. Pennsylvanian (Pottsville). 40082a-b, 40086. Pottsville Gap and Tremont, Pennsylvania. White, 1943, p. 89, pi. 21: figs. 1, 2; pi. 22: fig. 3.— Read and Mamay, 1964, pi. 6: fig. 3; pi. 7: fig. 1. pygmaea White. Pennsylvanian (Pottsville). 40967, 40977-78, 40980. New Lincoln colliery, Pennsyl¬ vania. White, 1900, p. 876, pi. 192: figs. 2, 4-6. pygmaea White. Pennsylvanian (Massillon coal). 41760. Massillon, Ohio. Read and Mamay, 1964, pi. 5: figs. 2, 3. sphenopteroides (Lesquereux) Zeiller. Pennsylvanian (Cherokee). 5707-10. Henry County, Missouri. White, 1899a, p. 31, pi. 9: figs. 1, 2; pi. 10: figs. 1, 2. tennesseeana White. Pennsylvanian (Pottsville). 13597, 40083, 40085a-b. Cotton Hill and Crow, West Virginia; Warrior, Alabama. White, 1943, p. 89, pi. 20: fig. 4; pi. 21: figs. 3, 4; pi. 22: fig. 2. species. Pennsylvanian (Cherokee). 5666, 14438. Henry County, Missouri. White, 1899a, p. 34, pi. 7: fig. 6; pi. 9: fig. 3. Medullosa grandis Andrews and Mamay. Pennsylvanian (Des Moines). 40630. 4 miles south of West Mineral, Kansas. Andrews and Mamay, 1953, pp. 191-196, pis. 22, 23. Megalopteris dentata Lesquereux. Pennsylvanian. 11448-50. Rush- ville, Ohio. Lesquereux, 1884, p. 833. fasciculata Lesquereux. Pennsylvanian (Pottsville). 11704. Port Byron, Illinois. Lesquereux, 1880, p. 150, pi. 24: fig. 2. marginata Lesquereux. Pennsylvanian (Pottsville). 11700. Port Byron, Illinois. Lesquereux, 1880, p. 152, pi. 24: fig. 4. serrata Lesquereux. Pennsylvanian (Pottsville). 11463. Rushville, Ohio. Lesquereux, 1884, p. 834. southwelli Lesquereux. Pennsylvanian (Pottsville). 41171. Port Byron, Illinois. Lesquereux, 1880, p. 148, pi. 24: fig. 1.—Read and Mamay, 1964, pi. 7: fig. 3. Megaphyton elongatum Kidston. Late “Coal Measures.” 17038. Radstock, Somerset, England. Kidston, 1887, p. 390. goldenbergi Weiss. Pennsylvanian (Cherokee). 17039. Henry County, Missouri. Lesquereux, 1880, p. 349, pi. 61: fig. 4. grand 1 euryi Lesquereux. Pennsylvanian (“Anthracite” Series). 17044. Olyphant, Pennsylvania. Lesquereux, 1880, p. 350. Mesocalamites crookensis Mamay and Read. Pennsylvanian (Spotted Ridge). 40708-09. Crook County, Oregon. Mamay and Read, 1956, p. 215, pi. 35: figs. 4, 5. hesperius (Arnold) Mamay and Read. Pennsylvanian (Spotted Ridge). 40707. Crook County, Oregon. Mamay and Read, 1956, p. 215, pi. 34: fig. 3. species. Pennsylvanian (Spotted Ridge). 40705-06. Crook County, Oregon. Mamay and Read, 1956, p. 216, pi. 34: figs. 1, 2. Microzygia lacunosa Read. Devonian. 41240. Junction City, Ken¬ tucky. Read, 1936, p. 223: fig. 9. Moellerina greenei Ulrich. Devonian. 42079. Falls of the Ohio, Louisville, Kentucky. Ulrich, 1886, p. 34, pi. 3: figs. 8, 8 a-e. Monoletes ovatus Schopf. Pennsylvanian (McLeansboro). 41177-78. Berryville, Illinois. Mamay and Yochel- son, 1962, pi. 33: figs. 1, 2. Monoscalitheca fasciculata Abbott. Pennsylvanian (Allegheny). 40300-01. Kimberly, Ohio. Abbott, 1961, pp. 981— 982, pi. 115: figs. 1,2. N europteridium? species. Permian (Hermit). 38045. Grand Canyon, Arizona. White, 1929, p. 91, pi. 16: fig. 1. 378-770 0 - 70 -4 24 Neuropteris agassizi Lesquereux (counterpart). Pennsylvanian. 10050. Rhode Island. Lesquereux, 1880, p. 117, pi. 17: fig. 1. aspera Lesquereux. Pennsylvanian. 10565, 10704, 10706-07. Cannelton and Pittston, Pennsylvania. Lesquereux, 1884, p. 736, pi. 96: figs. 4-7. auriculata Brongniart. Pennsylvanian (Allegheny). 11352. Cannelton, Pennsylvania. Lesquereux, 1880, p. 85, pi. 6: fig. 11. biformis Lesquereux. Pennsylvanian (Vandever). 41988. Durham, Georgia. Allen and Lester, 1954, pi. 35: fig. 4. blissi Lesquereux. Pennsylvanian (Allegheny). 10065. Mazon Creek, Illinois. Lesquereux, 1884, p. 737, pi. 95: fig. 1. capitata Lesquereux. Pennsylvanian (Allegheny). 11355. Cannelton, Pennsylvania. Lesquereux, 1880, p. 103, pi. 23: fig. 2. capitata Lesquereux. Pennsylvanian (Allegheny). 11344. Cannelton, Pennsylvania. Lesquereux, 1880, p. 103, pi. 23: fig. 3. carceraria White. Pennsylvanian (Cherokee). 10785. Lansing, Kansas. White, 1903, p. 99.—Cridland et al., 1963, pi. 20: fig. 33. carceraria White. Pennsylvanian (Allegheny). 10791, 14831. Mazon Creek, Illinois, and Cannelton, Penn¬ sylvania. White. 1903, p. 99. carri Lesquereux. Pennsylvanian. 11385-87. Kingston, Pennsylvania. Lesquereux, 1884, p. 731, pi. 94: figs. 5-7. caudata White. Pennsylvanian. 41030-38. Belleville, Missouri. White, 1893a, pp. 87-91, pi. 4: figs. 1-9. crenulata Brongniart. Pennsylvanian. 10037. Tremont, Pennsylvania. Lesquereux, 1880, p. 116, pi. 16: fig. 11 . decipiens Lesquereux. Pennsylvanian (Allegheny). 10621-24. Mazon Creek, Illinois. Lesquereux, 1884, p. 733,pi. 94: figs. 1, 2. dilatata (Lindley and Hutton) Lesquereux. Pennsyl¬ vanian (Cherokee). 5658, 5672, 6038. Henry County, Missouri. White, 1899a, p. 137, pi. 41: fig. 1; pi. 42: fig. 1; pi. 43: fig. 1; pi. 44: fig. 2. dluhoschi Stur. Pennsylvanian (Weber). 39161. Evans Peak, Colorado. Read, 1934, p. 83, pi. 17: fig. 5. elrodi Lesquereux. Pennsylvanian. 11839. Alabama. Lesquereux, 1880, p. 107, pi. 13: fig. 4. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY elrodi Lesquereux. Pennsylvanian (Pottsville). 11840— 41. Tracy, Tennessee, and Dade County, Georgia. Lesquereux, 1884, p. 735, pi. 96: figs. 1, 2. elrodi Lesquereux. Mississippian (Stanley). 39406-07. De Queen quadrangle, Arkansas. White, 1936c, p. 61, pi. 10: figs. 18, 19; pi. 11: fig. 8. elrodi Lesquereux. Pennsylvanian (Pottsville). 41232, 41872-73. Gadsden, Alabama. Lesquereux, 1888, p. 86, pi. 29: figs. 1-3. elrodi Lesquereux. Pennsylvanian (Pottsville). 40862. Bloomington quadrangle, Indiana. Jackson, 1917, p. 417, pi. 5: fig. 2. flexuosa Sternberg. Pennsylvanian. 41050-52. Belle¬ ville, Missouri. White, 1893a, pp. 91-93, pi. 5: figs. 1-4. flexuosa Sternberg. Pennsylvanian (Allegheny). 40311. Mazon Creek, Illinois. Read and Mamay, 1964, pi. 9: fig. 3. grifiithi Lesquereux. Pennsylvanian (“Anthracite” Series). 10807-12. Port Griffith, Pennsylvania. Les¬ quereux, 1884, p. 737, pi. 95: figs. 3-8. griffithi occidentals White. Pennsylvanian (McAles- ter). 6508-09. McAlester, Oklahoma. White, 1899b, p. 505. harrisi White. Pennsylvanian. 12667-69. Russellville, Arkansas. White, 1899b, pp. 506-507, pi. 68: figs. 6-9. hastata White. Pennsylvanian (Cherokee). 12072-74, 12076. Lansing and Lawrence, Kansas. White, 1903, p. 97. hastata White. Pennsylvanian (Lawrence). 12071. Lansing, Kansas. Cridland et al., 1963, pi. 19: figs. 25, 26. heterophylla Brongniart. Pennsylvanian (Weber). 39160. Evans Peak, Colorado. Read, 1934, p. 84, pi. 16: fig. 7. jenneyi White. Pennsylvanian. 41022, 41025-26, 41029, 41039-49, 41061. Belleville, Missouri. White, 1893a, pp. 82-84, pi. 1: figs, la-b ; pi. 2: figs. 7-12; pi 3: figs. 1-3, 5-10. lindahli White. Pennsylvanian. 8636, 11621-24. Kansas City, Kansas. White, 1903, p. 96. lindahli White. Pennsylvanian (Dennis). 8636. Kansas City, Kansas. Cridland et al., 1963, pi. 19: fig. 24. lindahli White. Pennsylvanian (Swope). 11622. Kansas City, Missouri. Read and Mamay, 1964, pi. 12: fig. 5. lunata White. Pennsylvanian (Pottsville). 40961, 40964, 40971, 40975, 40986. Lincoln colliery near NUMBER 5 25 Tremont, Pennsylvania. White, 1900, p. 895, pi. 193: figs. 3-7. missouriensis Lesquereux. Pennsylvanian (Cherokee). 30861. Henry County, Missouri. Lesquereux, 1880, p. 104, pi. 7: fig. 6. missouriensis Lesquereux. Pennsylvanian (Cherokee). 5472, 5630-32. Henry County, Missouri. White, 1899a, p. 130, pi. 41: figs. 4, 5; pi. 42: fig. 4; pi. 45: fig. 3. ' oblongifolia Lesquereux. Pennsylvanian (Allegheny). 10070-71. Cannelton, Pennsylvania. Lesquereux, 1884, p. 732, pi. 94: fig. 3; pi. 95: fig. 2. ovata Hofmann. Pennsylvanian (Cabaniss). 10744. Lansing, Kansas. Cridland et al., 1963, pi. 22: fig. 53. ovata Hofmann. Pennsylvanian (Cherokee). 8901. Henry County, Missouri. Read and Mamay, 1964, pi. 9: fig. 2. pocahontas White. Pennsylvanian (Pottsville). 40246. Sewell, West Virginia. Butts, 1941, pi. 135: figs. 6, 8. pocahontas White. Pennsylvanian (Pottsville). 40745, 40751. West Virginia. White, 1900, p. 888, pi. 189: fig. 4; pi. 191: fig. 5. pocahontas White. Pennsylvanian (Vandever). 41983. Durham, Georgia. Allen and Lester, 1954, pi. 34: figs. 5, 6. pocahontas White. Pennsylvanian (Pocahontas coal group). 41213. Angle mine, West Virginia. Read and Mamay, 1964, pi. 4: fig. 2. pocahontas inaequalis White. Pennsylvanian (Potts¬ ville). 40744, 40747-50, 40968, 40985. Pottsville Gap, Rausch Gap, Kalmia colliery, and Tremont, Pennsylvania. White, 1900, p. 890, pi. 188: fig. 5; pi. 190: figs. 7 (?), 8; pi. 191: figs. 1-4. pocahontas pentias White. Pennsylvanian (Pottsville). 40741-43, 40746. Brookside, Tremont, and Kalmia colliery, Pennsylvania. White, 1900, p. 892, pi. 188: figs. 2-4; pi. 189: fig. 5. rarinervis Bunbury. Pennsylvanian. 41054. Belleville, Missouri. White, 1893a, pp. 85—87, pi. 5: fig. 7. rarinervis Bunbury. Pennsylvanian (Cherokee). 10873. Lansing, Kansas. Read and Mamay, 1964, pi. 8: fig. 3. rogersi Lesquereux. Pennsylvanian (Tecumseh). 7737, 8142. 20 miles southeast of Lawrence, Kansas; Twin Mounds, Kansas. Cridland et ah, 1963, pi. 23: figs. 58, 59. scheuchzeri Hofmann. Pennsylvanian (Cherokee). 5633, 6101. Henry County, Missouri. White, 1899a, p. 132, pi. 42: fig. 3; pi. 64: fig. d. scheuchzeri Hofmann. Pennsylvanian (Cabaniss). 11667, 11669. Lansing, Kansas. Cridland etal. 1963, ph 23: figs. 54,56. smithi Lesquereux. Pennsylvanian (Pottsville). 11156. Dade County, Georgia. Lesquereux, 1884, p. 734, pi. 96: fig. 3. smithi Lesquereux. Pennsylvanian (Pottsville). 41233. Gadsden, Alabama. Lesquereux, 1888, p. 86, pi. 29: fig. 4. tennesseeana Lesquereux. Pennsylvanian. 11790. Tracy, Tennessee. Read and Mamay, 1964, pi. 6: fig. 2. tenui folia (Schlotheim) Sternberg. Pennsylvanian (Pottsville). 41219. Sandy Ridge, Center County, Pennsylvania. Read and Mamay, 1964, pi. 7: fig. 4. trichomanoides (Brongniart) Lesquereux. Pennsyl¬ vanian (Allegheny). 10073. Cannelton, Pennsyl¬ vania. Lesquereux, 1880, p. 79, pi. 4: fig. 4. cf. trichomanoides (Brongniart) Lesquereux. Pennsyl¬ vanian. 41053. Belleville, Missouri. White, 1893a, p. 95, pi. 4: fig. 10. species. Mississippian (Wedington). 39484-85. Wins¬ low quadrangle, Arkansas. White, 1936b, p. 20, pi. 4: figs. 26-28. species. Pennsylvanian (Pottsville). 40850, 40854, 40861, 40863, 40894, 40903. Bloomington quad¬ rangle and Clay City quadrangle, Indiana. Jackson, 1917, p. 418, pi. 3: fig. 4; pi. 4: fig. l;pl. 5: figs. 1, 3; pi. 9: fig. 4; pi. 10: fig. 1. species. Pennsylvanian. 41055. Belleville, Missouri. White, 1893a, p. 98, pi. 5: fig. 6. Noeggerathia spatulata Dana. Permian. 41295. New South Wales, Australia. Dana, 1849, p. 715, pi. 12: fig. 9. Noeggerathiopsis hislopi (Bunbury) Feistmantel. Early Permian. 31994- 96, 32009. Santa Catharina, Brazil. White, 1908, p. 549, pi. 9: figs. 4-7. Odontopteris abbreviata Lesquereux. Pennsylvanian. 14827. Old Forge, Pennsylvania. Lesquereux, 1880, p. 138, pi. 21: fig. 7. 26 aequalis Lesquereux. Pennsylvanian (Allegheny). 10323-24. Mazon Creek, Illinois. Lesquereux, 1880, p. 135, pi. 21: fig. 8; 1884, p. 743, pi. 97: fig. 6. affinis Lesquereux. Pennsylvanian (Allegheny). 10290-91. Mazon Creek, Illinois. Lesquereux, 1884, p. 742, pi. 97: fig. 4. bradleyi Lesquereux. Pennsylvanian (Cherokee). 5623. Henry County, Missouri. White, 1899a, p. 125, pi. 42: fig. 2. cornuta Lesquereux. Pennsylvanian (Allegheny). 10345-46, 10348. Cannelton, Pennsylvania. Lesque¬ reux, 1880, p. 128, pi. 22: figs. 7-9. deformata Lesquereux. Pennsylvanian. 11287. Rhode Island. Lesquereux, 1884, p. 743, pi. 97: fig. 5. cf. O. fischeri, Brongniart. Permian (Belle Plains). 41770, 41846. Castle Hollow near Fulda, Texas. Read and Mamay, 1964, pi. 17: figs. 3, 4. monstruosa Lesquereux. Pennsylvanian (Allegheny). 10358, 14831. Cannelton, Pennsylvania. Lesquereux, 1884, p. 741, pi. 97: figs. 2-3. neuropteroides Roemer. Pennsylvanian. 11279. Rhode Island. Lesquereux, 1884, p. 740, pi. 97: fig. 8. newberryi Lesquereux. Pennsylvanian (Pottsville). 40841-42. Bloomington quadrangle, Indiana. Jack- son, 1917, p. 419, pi. 1: fig. 8; pi. 2: fig. 1 a. osmundaeformis (Schlotheim) Zeiller. Pennsylvanian (Scranton). 10313. Osage City, Kansas. Cridland et al., 1963, pi. 22: fig. 52. pachyderma Fontaine and White. Pennsylvanian, 42304. Cassville, West Virginia. Read and Mamay, 1964, pi. 12: fig. 3. papilionacea White. Pennsylvanian (Cherokee). 12086. Lansing, Kansas. White, 1903, p. 95.—Crid¬ land et al., 1963, pi. 22: fig. 51. patens Lesquereux. Pennsylvanian. 11274-76. Rhode Island. Lesquereux, 1884, p. 740, pi. 97: fig. 7. reichiana Gutbier. Pennsylvanian (Chanute). 11265. Thayer, Kansas. Cridland et al., 1963, pi. 22: fig. 48. reichiana Gutbier. Late Pennsylvanian. 11267. Hazel- ton, Pennsylvania. Read and Mamay, 1964, pi. 12: fig. 2. sphenopteroides Lesquereux. Pennsylvanian (Chero¬ kee). 13531-32. Clinton, Missouri, and Mazon Creek, Illinois. Lesquereux, 1880, p. 139, pi. 21: fig. 3, 4. subcuneata Lesquereux. Pennsylvanian (Carbondale). 35317. Spring Creek, Vermillion County, Indiana. Lesquereux, 1884, p. 872, pi. 22: fig. 4. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY Oligocarpia missouriensis White. Pennsylvanian (Cherokee). 5694-96, 14467-68. Henry County, Missouri. White, 1899a, p. 66, pi. 20: fig. 1; pi. 21: figs. 1-4. Omphalophloios cyclostigma (Lesquereux) White. Pennsylvanian (Cherokee). 6024-26, 6028-30, 8797, 15502. Henry County, Missouri. White, 1898, pi. 20; pi. 21: figs. 1,3-5; pi. 22: figs. 1,3; 1899a, p. 218, pi. 65; pi. 66: figs. 1-3, 5; pi. 67: figs. 1, 2; pi. 68: figs. 1, 2. Otidophyton hymenophylloides White. Devonian. 36450. Perry, Maine. Smith and White, 1905, p. 47, pi. 2: fig. 3. Ottokaria ovalis White. Early Permian. 31980-81. Rio Grande do Sul, Brazil. White, 1908, p. 532, pi. 7: fig. 7. Ovopteris communis (Lesquereux) Pontonie. Pennsylvanian (Morrow). 41218. Washington County, Arkansas. Read and Mamay, 1964, pi. 6: fig. 1. Padgettia readi Mamay. Permian (Moran). 41165a-b, 42179— 180. 2 miles northwest of Padgett, Texas, Mamay, 1960, pp. 53-57: figs. 1-4. Pagiophyllum dubium White non Fontaine. Permian (Hermit). 38062. Grand Canyon, Arizona. White, 1929, p. Ill, pi. 47: figs. 1,3, 4?, 5. Palaeophycus duplex (Hall) Whitfield. Late Cambrian?. 41129. Pictured Rocks, Lake Superior. Chamberlin, 1883, p. 126. fluctans Ruedemann. Ordovician. 41174. Below Salmon River falls, New York. Ruedemann, 1925, p. 10, fig. 1. NUMBER 5 27 gracilis Lesquereux. Carboniferous. 25023. Vigo County, Indiana. Lesquereux, 1875, p. 137, pi. 1: fig. 5; 1880, p. 11, pi. B: fig. 10. milleri Lesquereux. Carboniferous. 25020-22. Vigo County, Indiana. Lesquereux, 1875, p. 136, pi. 1: figs. 1-3; 1880, p. 10, pi. A: fig. 8. occidentalis Whitfield. Cambrian (Potsdam). 42171. Black Hills, South Dakota. Whitfield, 1880, p. 332, pi. 1: fig. 3. simplex Hall. Ordovician. 41100-01. Middleville, New York. Hall, 1847, p. 63, pi. 22: fig. la-6. striatus Hall. Late Silurian. 41103-05, 41108, 41111. Clinton, New York. Hall, 1852, p. 22, pi. 10: figs. 1 , 2 . tortuosus Hall. Silurian. 41102, 41106-07. Medina, New York. Hall, 1852, p. 6, pi. 3: figs. 2-2 b. species. Ordovician. 41099. Middleville, New York. Hall, 1847, pi. 21: fig. 3. species. Late Silurian. 41109-10. New Hartford, New York. Hall, 1852, p. 22, pi. 8: fig. 3; pi. 10: fig. 3. Palaeostachya andrewsi Baxter. Pennsylvanian (Des Moines). 41293. What Cheer, Iowa. Baxter, 1955, unfigured section of the holotype. species. Devonian. 36466. Perry, Maine. Smith and White, 1905, p. 64, pi. 4: fig. 4. Palaeotaxites praecursor White. Permian (Hermit). 38058. Grand Canyon, Arizona. White, 1929, p. 107, pi. 45: fig. 4; pi. 48: fig. 3; pi. 49: figs. 1, 3; pi. 50: figs. 1, 2, 6. Palmatopteris subgeniculata (Stur) Renier. Mississippian (Stanley). 39401-03. De Queen quadrangle, Arkansas. White, 1936c, p. 62, pi. 11: figs. 13, 20, 29, 30. Parasporites cf. P. maccabei Schopf. Pennsylvanian (McLeans- boro). 41199-41200. Berryville, Illinois. Mamay and Yochelson, 1962, pi. 33: figs. 23, 24. Pecopteris abbreviata? Brongniart. Pennsylvanian (Allegheny). 14237, 14240, 14245. Mazon Creek, Illinois. Lesque¬ reux, 1880, p. 248, pi. 46: figs. 4-6. cf. abbreviata Brongniart. Pennsylvanian (Pottsville). 40900. Clay City quadrangle, Indiana. Jackson, 1917, p. 417, pi. 9: fig. 13. arborescens (Schlotheim) Brongniart. Pennsylvanian (middle Allegheny). 12637. Olyphant, Pennsyl¬ vania. Read and Mamay, 1964, pi. 9: fig. 1. cf. arborescens Brongniart. Pennsylvanian (Cherokee). 14873. Henry County, Missouri. White, 1899a, p. 78, pi. 44: fig. 3. cf. P. arborescens Brongniart. Pennsylvanian (Chero¬ kee). 5595-56, 5686. Henry County, Missouri. White, 1899a, p. 78, pi. 33: fig. 7; pi. 36: fig. 3; pi. 47: fig. 6. cambuhyensis Read. Permian (Tubarao Series). 40607. Parana, Brazil. Read, 1941, p. 75, pi. 3: figs. 8, 9. clintoni Lesquereux. Pennsylvanian (Cherokee). 13172-74, 30857. Henry County, Missouri. Lesque¬ reux, 1880, p. 251, pi. 42: figs. 1, 3, 5. clintoni Lesquereux. Pennsylvanian (Cherokee). 5605-06. Henry County, Missouri. White, 1899a, p. 94, pi. 34: fig. 1; pi. 35: fig. 4. dentata Brongniart. Pennsylvania (Cherokee). 5621, 5641-43, 5655, 5739. Henry County, Missouri. White, 1899a, p. 75, pi. 24: figs. 1, 2; pi. 25: fig. 1; pi. 26: figs. 2-4; pi. 27. erosa Gutbier. Pennsylvanian (Cherokee). 30856. Henry County, Missouri. Lesquereux, 1880, p. 255, pi. 44: fig. 1. fontainei Lesquereux. Pennsylvanian (Allegheny). 14248-49. Mazon Creek, Illinois. Lesley, 1889, p. 606. georgiana Lesquereux. Pennsylvanian (Pottsville). 12420-22. Dade County, Georgia. Lesquereux, 1884, p. 759, pi. 98: fig. 6. halli (Lesquereux) Lesquereux. Pennsylvanian (Alle¬ gheny). 42328. Mazon Creek, Illinois. Lesquereux, 1880, p. 258. hemitelioides Brongniart. Pennsylvanian (Cherokee). 5594. Henry County, Missouri. White, 1899a, p. 79, pi. 35: fig. 5. jenneyi White. Pennsylvanian (Cherokee). 5598-99. Henry County, Missouri. White, 1899a, p. 80, pi. 36: figs. 1, 2. 28 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY lanceolata Lesquereux (counterpart). Pennsylvanian (Allegheny). 12542. Mazon Creek, Illinois. Lesque¬ reux, 1880, p. 227, pi. 39: fig. 9. lesquereuxi White. Pennsylvanian. 41012. Belleville, Missouri. White, 1893a, pp. 65-67, pi. 2: fig. 4. lyratifolia (Goeppert) Lesquereux. Pennsylvanian (Allegheny). 13382. Mazon Creek, Illinois. Lesque¬ reux, 1880, p. 259, pi. 48: fig. 4. miltoni Brongniart. Pennsylvanian (Allegheny). 12847. Shamokin, Pennsylvania. Read and Mamay, 1964, pi. 10: fig. 1. obsoleta Lesquereux. Pennsylvanian (Allegheny). 13377—79. Cannelton, Pennsylvania. Lesquereux, 1884, p. 758, pi. Ill: fig. 29. oregonensis Arnold. Pennsylvanian (Spotted Ridge). 40719-25. Crook County, Oregon. Mamay and Read, 1956, p. 219, pi. 36: figs. 1-7. ornata Lesquereux. Pennsylvanian (Allegheny). 13385-88. Mazon Creek, Illinois. Lesquereux, 1884, p. 760, pi. Ill: figs. 30, 30a. paranaensis Read. Permian (Tubarao Series). 40608- 09, 40620-22. Parana, Brazil. Read, 1941, p. 75, pi. 2: figs. 1-5; pi. 3: figs. 2, 3. pedrasica Read. Permian (Tubarao Series). 40610—12. Parana, Brazil. Read, 1941, p. 73, pi. 2: figs. 6-9. pennaeformis Brongniart. Pennsylvanian (Cherokee). 12772. Henry County, Missouri. Lesquereux, 1880, p. 239, pi. 45: fig. 1. plumosa Artis. Pennsylvanian (Pottsville). 40856, 40858—59. Bloomington quadrangle, Indiana. Jack- son, 1917, p. 416, pi. 4: figs. 3, 5,6. pseudovestita White. Pennsylvanian (Cherokee). 5644-45, 5648, 5725, 5809, 13097, 13174, 13179, 41056. Henry County, Missouri. White, 1899a, p. 85, pi. 28: figs. l-2a; pi. 29; pi. 30: fig. 1; pi. 31: figs. 1-3; pi. 32: figs. 1,2. quadratifolia Lesquereux. Pennsylvanian (Allegheny). 12702. Cannelton, Pennsylvania. Lesquereux, 1884, p. 756, pi. 100: fig. 1. resupinata Lesquereux. Pennsylvanian (Allegheny). 14870-71. Mazon Creek, Illinois. Lesley, 1889, p. 608. richardsoni White. Pennsylvanian (McAlester). 6423, 6426-27. McAlester, Oklahoma. White, 1899b, p. 492, pi. 68: figs. 2-4. robusta Lesquereux. Pennsylvanian. 12523-25. Port Griffith, Pennsylvania. Lesquereux, 1880, p. 229, pL 39: figs. 7, 8. serpillifolia Lesquereux. Pennsylvanian (Allegheny). 13929-31. Mazon Creek, Illinois. Lesquereux, 1880, p. 237, pi. 46: figs. 1-3. serrulata Hartt. Pennsylvanian. 13864, 13867—68. Washington County, Arkansas, and Tracy, Ten¬ nessee. Lesquereux, 1884, p. 757, pi. 101: figs. 4, 6 , 8 squamosa Lesquereux. Pennsylvanian (Cabaniss). 12700. Lansing, Kansas. Cridland et al., 1963, pi. 22: fig. 49. vestita Lesquereux. Pennsylvanian (Cherokee). 13127, 13160. Henry County, Missouri. Lesquereux, 1880, p. 252, pi. 43: figs. 1, 3. vestita Lesquereux. Pennsylvanian (Cherokee). 5646- 47, 5683-84, 5808, 6087. Henry County, Missouri. White, 1899a, p. 91, pi. 26: fig. 1; pi. 33: figs. 2-5; pi. 59: fig. e. vestita Lesquereux. Pennsylvanian (Cherokee). 5745. Henry County, Missouri. Read and Mamay, 1964, pi. 8: fig. 1. vestita minor White. Pennsylvanian (McAlester). 6698, 6702. Krebs, Oklahoma. White, 1899b, p. 495. species. Pennsylvanian. 40877, 40892, 40895, 40904. Clay City quadrangle, Indiana. Jackson, 1917, p. 417, pi. 6: fig. 13; pi. 9: figs. 1, 5; pi. 10: fig. 2. species. Pennsylvanian. 41981. Durham, Georgia. Allen and Lester, 1954, pi. 35: fig. 2. Phyllotheca australis Brongniart. Permian (Tubarao Series). 40615. Parana, Brazil. Read, 1941, p. 89, pi. 6: fig. 4. griesbachi Zeiller. Early Permian. 31915-16. Santa Catharina, Brazil. White, 1908, p. 423, pi. 5: figs. 9, 10. muelleriana White. Early Permian. 31917. Santa Catharina, Brazil. White, 1908, p. 427, pi. 5: fig. 8. paulinensis Mamay and Read. Pennsylvanian (Spotted Ridge). 40710-18. Crook County, Oregon. Mamay and Read, 1956, p. 216, pi. 34: figs. 6-8; pi. 35: figs. 1-6. species. Permian (Tubarao Series). 40613-14. Parana, Brazil. Read, 1941, p. 91, pi. 3: figs. 5, 6. species. Early Permian. 31918-20. Santa Catharina, Brazil. White, 1908, p. 429, pi. 5: figs. 3-5. NUMBER 5 29 Physophycus bilobatus Lesquereux. Late Devonian. 7154. Near Cleveland, Ohio. Lesquereux, 1890, pp. 9-11, pi. 1: figs. 4-8. Phylopsis cellulosa Hall. Middle Ordovician. 41121. Water- town, New York. Hall, 1847, p. 39, pi. 9: fig. Id. tuberosum Hall. Early Silurian. 41084. Near Amster¬ dam, New York. Hall, 1847, p. 38, pi. 8: fig. 1. Pietzschia polyupsilon Read and Campbell. Devonian. 41267. Holy Cross, Kentucky. Read and Campbell, 1939, p. 444, pi. 2: fig. 2. Plicorachis danvillensis Read and Campbell. Devonian. 41254. Junction City, Kentucky. Read and Campbell, 1939, p. 447, pi. 3: fig. 3. Plinthiotheca angularis (Lesquereux) White. Pennsylvanian (“Anthracite” Series). 25255-56. Port Griffith, Pennsylvania. White, 1903, p. 101. Plumalina plumaria Hall. Devonian. 41130. Ithaca, New York. Hall, 1843, p.273, illus. 125. Polysporia mirabilis Newberry. Pennsylvanian (Allegheny). 15985a, 16132a-b, 26051a-b, 40925-26. Mazon Creek, Illinois; Cannelton, Pennsylvania; Talmadge, Ohio. Chaloner, 1958, pp. 199-209, pi. 31: figs. 1,2, 4,5; pi. 32: figs. 1,3,8. Polyxylon elegans Read and Campbell. Devonian. 41241. New Albany, Indiana. Read and Campbell, 1939, p. 442, pi. 2: figs. 1, 5. Prosseria grandis Read. Devonian (late Genesee). 40631. Near Pen Yan, Yates County, New York. Read, 1953, pp. 13-16: figs. 1,2. Protocalamites dorfi Read and Campbell. Devonian. 41277. New Albany, Indiana. Read and Campbell, 1939, p. 444, pi. 4: figs. 3, 4. Protolepidodendron microphyllum Read and Campbell. Devonian. 41276. New Albany, Indiana. Read and Campbell, 1939, p. 443, pi. 3: figs. 1, 2. Prototaxites ortoni Read and Campbell. Devonian. 41275. Roaring Fork Valley, Kentucky. Read and Campbell, 1939, p. 442, pi. 5: fig. 4. Pseudobornia ursina Nathorst. Devonian. 41850-53. Alaska. Mamay, 1962, pp. 19-22, pi. 1: figs. 2-7. Pseudopecopteris anceps Lesquereux. Pennsylvanian (Allegheny). 13401. Cannelton, Pennsylvania. Lesquereux, 1880, p. 207, pi. 38: fig. 3. decipiens Lesquereux. Pennsylvanian (Pottsville). 15008, 41166. Helena, Alabama. Lesquereux, 1880, p. 214, pi. 52: figs. 9, 10. dimorpha Lesquereux. Pennsylvanian (“Anthracite” Series). 13565-66. Plymouth, Pennsylvania. Lesque¬ reux, 1884, p. 750, pi. 98: fig. 4. cf. dimorpha Lesquereux. Pennsylvanian (Pottsville). 40845. Bloomington quadrangle, Indiana. Jackson, 1917, p. 416, pi. 2: fig. 5. hispida Lesquereux. Pennsylvanian (Allegheny). 13737. Cannelton, Pennsylvania. Lesquereux, 1884, p. 755, pi. 98: fig. 3. irregularis (Sternberg) Lesquereux. Pennsylvanian (Cherokee). 13639. Henry County, Missouri. Les¬ quereux, 1880, p. 211, pi. 52: figs. 1, 2; 1884, p. 754, pi. 98: fig. 2. 30 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY macilenta (Lindley and Hutton) Lesquereux. Penn¬ sylvanian (Allegheny). 14807. Cannelton, Pennsyl¬ vania. Lesquereux, 1880, p. 754, pi. 98: fig. 2. macilenta (Lindley and Hutton) Lesquereux. Penn¬ sylvanian (McAlester). 6433-34. McAlester, Okla¬ homa. White, 1899b, p. 472, pi. 67: figs. 10, 11. cf. macilenta Lindley and Hutton. Pennsylvanian (Pottsville). 40842, 40844. Bloomington quadrangle, Indiana. Jackson, 1917, p. 416, pi. 2: figs. 1 b, 4. mazoniana Lesquereux. Pennsylvanian (Allegheny). 13902. Mazon Creek, Illinois Lesquereux, 1880, p. 190, pi. 32: fig. 1. nummularia Gutbier. Pennsylvanian (Cherokee). 14886, 14891. Henry County, Missouri. Lesquereux, 1884, p. 752, pi. 103: figs. 1,2. obtusiloba (Brongniart) Lesquereux. Pennsylvanian (Cherokee). 5627, 5635, 5717-18. Henry County, Missouri. White, 1899a, p. 24, pi. 7: figs. 1-3; pi. 8: fig. 1. obtusiloba (Brongniart) Lesquereux. Pennsylvanian (Pottsville). 40896. Clay City quadrangle, Indiana. Jackson, 1917, p. 416, pi. 9: fig. 7. pluckneti (Schlotheim) Lesquereux. Pennsylvanian (Allegheny). 13547. Cannelton, Pennsylvania. Les¬ quereux, 1880, p. 199, pi. 35: fig. 7. sillimanni (Brongniart) Lesquereux. Pennsylvanian (Allegheny). 13508. Cannelton, Pennsylvania. Les¬ quereux, 1880, p. 206, pi. 37: fig. 3. speciosa Lesquereux. Pennsylvanian (Pottsville). 41170. Helena, Alabama. Lesquereux, 1880, p. 216, pi. 51: fig. 1. species. Pennsylvanian (Cherokee). 5618, 5667. Henry County, Missouri. White, 1899a, p. 29, pi. 7: figs. 4, 5. Psilophyton alcicorne White. Devonian. 36474-75. Perry, Maine. Smith and White, 1905, p. 64, pi. 5: figs. 1, 2. grandis Penhallow. Devonian (Hamilton). 5402-03, 5408. West Hurley, New York. Penhallow, 1893, p. Ill, pi. 12: fig. 12a; pi. 13: fig. 126; pi. 14: fig. 12c. cf. P. princeps Dawson. Devonian. 36475-80, 36485- 86. Perry, Maine. Smith and White, 1905, p. 58, pi. 5: figs. 3-7; pi. 6: figs. 7, 8. Psygmophyllum? species. Permian (Hermit). 38050. Grand Canyon, Arizona. White, 1929, p. 95, pi. 44: fig. 7. Ptilophyton lineare (Lesquereux) Dawson. Mississippian. 19281— 82. Rushville, Ohio. Dawson, 1882, p. 123, fig. V ( 2 ). Rachiopteris squamosa Lesquereux. Pennsylvanian (Allegheny). 19608-10. Cannelton, Pennsylvania. Lesquereux, 1884, p. 838. Reimanniopsis indianensis (Read and Campbell) Hoskins and Cross. Early Mississippian. 41239. New Albany, Indiana. Hoskins and Cross, 1951, p. 609: fig. 2. Reinschia australis brasiliensis White. Early Permian. 31909. Bahia, Brazil. White, 1908, p. 407, pi. 11: figs. 11, 12 . Rhabdocarpos abnormalis Lesquereux. Pennsylvanian (Allegheny). 26370. Cannelton, Pennsylvania. Lesquereux, 1884, p. 818, pi. 110: figs. 48,49. amygdalaeformis Goeppert and Berger. Pennsylvanian (Pottsville). 26630. Pittston, Pennsylvania. Lesque¬ reux, 1880, p. 581, pi. 85: fig. 27. apiculatus Lesquereux. Pennsylvanian (“Anthracite” Series). 26756. Wilkes-Barre, Pennsylvania. Lesque¬ reux, 1884, p. 819, pi. 110: fig. 50. arcuatus Lesquereux. Pennsylvanian (Allegheny). 26368. Cannelton, Pennsylvania. Lesquereux, 1880, p. 583. clavatus (Sternberg) Geinitz. Pennsylvanian. 26268, 41069. Mazon Creek, Illinois, and Helena, Alabama. Lesquereux, 1870, p. 461, pi. 31: fig. 11; 1880, p. 581, pi. 85: figs. 14, 20. coronatus White. Pennsylvanian (LeRoy). 26568. Ottawa, Kansas. White, 1903, p. 109. NUMBER 5 31 costatulus White. Mississippian (Jackfork). 39416-17. Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 65, pi. 12: figs. 9,10. inflatus Lesquereux. Pennsylvanian (Allegheny). 26116-17. Cannelton, Pennsylvania. Lesquereux, 1884, p. 815, pi. 110: fig. 36. insignis Lesquereux. Pennsylvanian. 41068. Pittston, Pennsylvania. Lesquereux, 1880, p. 575, pi. 85: fig. 26. jacksonianium Lesquereux. Pennsylvanian. 26177-78. Dolomite, Alabama. Lesley, 1889, p. 867. late-costatus Lesquereux. Pennsylvanian (Pottsville). 25830-32. Pittston, Pennsylvania. Lesquereux, 1884, p. 815, pi. 110: figs. 34, 35. mamillatus Lesquereux. Pennsylvanian. 26762-65. Stark County, Illinois. Lesquereux, 1884, p. 815, pi. 110: figs. 39-42. mansfieldi Lesquereux. Pennsylvanian (Allegheny). 25977. Cannelton, Pennsylvania. Lesquereux, 1880, p. 537, pi. 85: fig. 21. multistriatus Presl. Pennsylvanian. 26122. Rock Island, Illinois. Lesquereux, 1880, p. 578, pi. 85: fig. 23. pachytesta Lesquereux. Pennsylvanian (Allegheny). 26796-97. Mazon Creek, Illinois. Lesquereux, 1884, p. 816, pi. 110: fig. 37. russelli Lesquereux. Pennsylvanian. 41234. Gadsden, Alabama. Lesquereux, 1888, p. 86, pi. 29: fig. 10. secalicus White. Mississippian (Stanley). 39413-14. De Queen quadrangle, Arkansas. White, 1936c, p. 65, pi. 12: figs. 4-6. subglobosus Lesquereux. Pennsylvanian. 26330-32. Cannelton and Pittston, Pennsylvania. Lesquereux, 1884, p. 817, pi. 110: figs. 43, 44, 62. tenax Lesquereux. Pennsylvanian (Allegheny). 26458- 59. Cannelton, Pennsylvania. Lesquereux, 1884, p. 818,pi. Ill: figs. 25, 26. species. Pennsylvanian. 26362-65. Pratt mines, Ala¬ bama. Lesley, 1889, p. 869, figs. a-d. species. Pennsylvanian (Pottsville). 40873. Blooming¬ ton quadrangle, Indiana. Jackson, 1917, p. 426, pi. 6: fig. 3. Rhachiopteris pinnata Dawson var. angustipinna White. Devonian. 36463-65. Perry, Maine. Smith and White, 1905, p. 50, pi. 4: figs. 1-3. Rhacophyllum adnascens Lindley and Hutton. Pennsylvanian. 40951. Colchester, Illinois. Lesquereux, 1880, p. 321, pi. 57: fig. 10. corrallum Lesquereux. Pennsylvanian (Allegheny). 19469. Mazon Creek, Illinois. Lesquereux, 1880, p. 317, pi. 57: fig. 4. expansum Lesquereux. Pennsylvanian (“Anthracite” Series). 19435. Olyphant, Pennsylvania. Lesquereux, 1880, p. 323, pi. 57: fig. 6. fucoideum Lesquereux. Pennsylvanian (Allegheny). 19442-43. Mazon Creek, Illinois. Lesquereux, 1880, p. 325, pi. 58: figs. 6, 7. hamulosum Lesquereux. Pennsylvanian (Cherokee). 19445. Henry County, Missouri. Lesquereux, 1880, p.321, pi. 58: fig. 3. inflatum Lesquereux. Pennsylvanian. 41072. Du Quoin, Illinois. Lesquereux, 1880, p. 323, pi. 57: figs. 7, 8. membranaceum Lesquereux. Pennsylvanian (Chero¬ kee). 19465-66. Henry County, Missouri. Lesque¬ reux, 1880, p. 312, pi. 58: figs. 1, 2. molle (Lesquereux) Lesquereux. Pennsylvanian (Alle¬ gheny) . 40948, 40952, 40954. Mazon Creek, Illinois. Lesquereux, 1880, p. 326. spinosum Lesquereux. Pennsylvanian (Cherokee). 19436. Henry County, Missouri. Lesquereux, 1880, p. 320, pi. 58: fig. 4. strongi Lesquereux. Pennsylvanian (Allegheny). 19431. Mazon Creek, Illinois. Lesquereux, 1880, p. 325. thalliforme (Lesquereux) Lesquereux. Pennsylvanian. 40949-50. Mazon Creek and Colchester, Illinois. Lesquereux, 1880, p. 324. trichoideum Lesquereux. Pennsylvanian (“Anthracite” Series). 19453-54. Wilkes-Barre, Pennsylvania. Lesquereux, 1880, p. 322. truncatum Lesquereux. Devonian (Catskill). 19414. Coxton Narrows, Pennsylvania. Lesquereux, 1880, p. 311, pi. 50: fig. 7. Rhacopteris latifolia (Arnold) Read. Mississippian (Pocono). 40666-68. Altoona, Pennsylvania. Read, 1955, p. 16, pi. 16: fig. 5; pi. 18: figs. 2, 3.—Read and Mamay, 1964, pi. 1: fig. 2. ovata (McCoy) Walkom. Mississippian. 41008. Para- cas Peninsula, Peru. Read, 1938a, p. 401, fig. 1. 32 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY Rhacopteris sp. cf. R. cuneata Walkom. Mississippian. 41006. Para- cas Peninsula, Peru. Read, 1938a, p. 401: fig. 5. species. Mississippian (Wedington). 39486. Winslow quadrangle, Arkansas. White, 1936b, p. 20, pi. 4: figs. 1, 6. Rhizomorpha sigillariae Lesquereux. Pennsylvanian (Allegheny). 25016. Cannelton, Pennsylvania. Lesquereux, 1878, p. 174, pi. 1: fig. 9; 1880, p. 3, pi. B: fig. 11. Rhodea alleghanensis Read. Mississippian (Pocono). 40691. Tionesta, Pennsylvania. Read, 1955, p. 18, pi. 16: fig. 4. blackburgensis Read. Mississippian (Pocono). 40656. Vicker, Virginia. Read, 1955, p. 22, pi. 3: figs. 1, 2. goepperti (Ettinghausen) Stur. Mississippian (Stan¬ ley) . 39384-91. De Queen, Arkansas. White, 1936c, p. 63, pi. 10: figs. 6-9, 12, 15, 16; pi. 11: figs. 7, 25, 26. cf. R. moravica (Ettinghausen) Stur. Mississippian (Wedington). 39488. Winslow quadrangle, Arkan¬ sas. White, 1936b, p. 21, pi. 4: figs. 19, 24, 25. cf. R. subpetiolata (Potonie) Nemejc. Mississippian (Wedington). 39487. Winslow quadrangle, Arkan¬ sas. White, 1936b, p. 21, pi. 4: figs. 2, 3. cf. R. tenuis Gothan. Mississippian (Stanley). 39392. De Queen quadrangle, Arkansas. White, 1936c, p. 62, pi. 11: figs. 5, 12. tionestana Read. Mississippian (Pocono). 40658. Tionesta, Pennsylvania. Read, 1955, p. 18, pi. 18: fig. 1. vespertina Read. Mississippian (Price). 19923, 40638- 39, 40657. Vicker, Virginia. Read, 1955, p. 22, pi. 3: figs. 3, 4; pi. 4: figs. 1-4; pi. 16: fig. 6.—Read and Mamay, 1964, pi. 2: fig. 3. Rhynchogonium choctavense White. Mississippian (Jackfork). 39409- 11. Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 65, pi. 12: figs. 2, 3, 8. fayettevillense White. Mississippian (Wedington). 39504-12. Winslow quadrangle, Arkansas. White, 1936b, p. 25, pi. 8: figs. 1-5, 7, 8, 12-14, 22. Rivularites permiensis White. Permian (Hermit). 38024. Grand Canyon, Arizona. White, 1929, p. 41, pi. 6; pi. 7: figs. 1-3; pi. 8: figs. 1, 4. Root of a marine plant. Late Silurian. 41122. New Hartford, New York. Hall, 1852, p. 21, pi. 10: fig. 4. Rosellinites gangamopteridis White. Early Permian. 31911. Santa Catharina, Brazil. White, 1908, p. 413, pi. 5: fig. 1. Rusophycus clavatus Hall. Late Silurian. 41114, 41116. New Hart¬ ford, New York. Hall, 1852, p. 23, pi. 8: figs, la, lb. pudicus Hall. Late Silurian. 41113, 41115. New Hart¬ ford, New York, Hall, 1852, p. 24, pi. 8: figs. 6a, 6b. subangulatus Hall. Late Silurian. 41112. New Hart¬ ford, New York. Hall, 1852, p. 23, pi. 8: fig. 2b. Samaropsis longi Schopf. Permian. 41996-97. Mt. Glossopteris, Antarctica. Schopf, 1962, p. 33, pi. 11: figs. 3-5, 4 d, \e. Schizoneura? Devonian (Genesee). 8327. Yates County, New York Penhallow, 1893, p. 107, pi. 9: fig. 3. species. Early Permian. 31914. Santa Catharina, Brazil. White, 1908, p. 435, pi. 5«: fig. 6. Schizopodium mummi Read. Devonian (Hamilton). 41287. Can¬ andaigua Lake, New York. Read, 1938c, p. 600, pi. 30: figs. 1-3. cf. Schizopteris trichomanoides Goeppert. Pennsylvanian (Spotted Ridge). 40726. Crook County, Oregon. Mamay and Read, 1956, p. 221, pi. 36: figs. 8, 9. NUMBER 5 33 Schutzia bracteata Lesquereux. Pennsylvanian (Allegheny). 41070. Mazon Creek, Illinois. Lesquereux, 1870, p. 427, pi. 21: fig. 6. Sclerocelyphus oviformis Mamay. Pennsylvanian (Cherokee). 41289. West Mineral, Kansas. Mamay, 1954c, pi. 21: figs. 1 - 12 . cf. Scolecopteris minor Hoskins. Pennsylvanian (McLeansboro). 41209-41212. Berryville, Illinois. Mamay 'and Yochelson, 1962, pi. 33: figs. 33-36. Siderella scotti Read. Devonian. 41265-66. Junction City, Ken¬ tucky. Read, 1936, p. 226, figs. 12,16. Sigillaria australis White. Early Permian. 31929. Santa Catha- rina, Brazil. White, 1908, p. 465, pi. 6: fig. 11. brardi Brongniart. Early Permian. 31928, 31928^2- Rio Grande do Sul, Brazil. White, 1908, p. 459, pi. 5: figs. 12, 12a. brardi Brongniart. Pennsylvanian (Stranger). 8673. Blue Mounds, Kansas. Cridland et al., 1963, pi. 17: fig. 8. brardi coriacea White. Pennsylvanian (LeRoy). 16604-08. Lawrence, Kansas. White, 1903, p. 105. brardi var. coriacea White. Pennsylvanian (Law¬ rence) . 16606. Lawrence, Kansas. Cridland et al., 1963, pi. 17: fig. 5. camptotaenia Wood. Pennsylvanian (Cherokee). 6060a, 6063-64, 6094, 6106, 6112. Henry County, Missouri. White, 1899a, p. 230, pi. 61: fig. lg; pi. 62: fig. 1 ; pi. 70: figs. 1, 3,4. chemungense Hall. Devonian. 41128. Elmira, New York. Hall, 1843, p. 274, illustr. 127, fig. 2. elegans? Sternberg. Pennsylvanian (Pottsville). 40882, 40890. Clay City quadrangle, Indiana. Jackson, 1917, p. 413, pi. 7: fig. 8; pi. 8: fig. 7. grand’euryi Lesquereux. Pennsylvanian (Allegheny). 16399-400. Cannelton, Pennsylvania. Lesquereux, 1884, p. 795. ichthyolepis Sternberg. Pennsylvanian (Merom). 35319. Newport, Indiana. Lesquereux, 1880, p. 482, pi. 73: fig. 7. lacoei Lesquereux. Pennsylvanian (“Anthracite” Series). 16806-12. Plymouth, Pennsylvania. Lesque¬ reux, 1880, p. 499, pi. 72: fig. 12. laurenciana White. Pennsylvanian (LeRoy). 16570- 71. Lawrence, Kansas. White, 1903, p. 106. laurenciana White. Pennsylvanian (Lawrence). 16571. Lawrence, Kansas. Cridland et al., 1963, pi. 17: fig. 7. leptoderma Lesquereux. Pennsylvanian (“Anthracite” Series). 16779-83. Plymouth, Pennsylvania. Lesque¬ reux, 1880, p. 489, pi. 72: fig. 10. leveretti Lesquereux. Pennsylvanian (Des Moines). 16445-46. Des Moines County, Iowa. Lesquereux, 1884, p. 800, pi. 108: figs. 4,5. mamillaris Brongniart. Pennsylvanian. 16520, 16532, 16540. Cannelton and Plymouth, Pennsylvania. Lesquereux, 1880, p. 483, pi. 72: fig. 5; 1884, p. 799, pi. 108: fig. 6. marginata Lesquereux. Pennsylvanian. 16798-99. Plymouth, Pennsylvania. Lesquereux, 1880, p. 498, pi. 71: fig. 5. monostigma Lesquereux. Pennsylvanian (Allegheny). 16415-18. Cannelton, Pennsylvania. Lesquereux, 1880, p.468, pi. 73: figs. 3-6. ?muralis White. Early Permian. 32044a-b. Rio Grande do Sul, Brazil. White, 1908, p. 467, pi. 12: figs. 1-4. ovalis Lesquereux. Pennsylvanian (“Anthracite” Series). 16553. Plymouth, Pennsylvania. Lesquereux, 1880, p.495, pi. 71: fig. 7. pittstoniana Lesquereux. Pennsylvanian (“Anthracite” Series). 16709-14. Plymouth, Pennsylvania. Lesque¬ reux, 1880, p. 493, pi. 71: fig. 4. rectostriata Lesquereux MS. Pennsylvanian (Cha- nute). 16576. Thayer, Kansas. Cridland et al., 1963, pi. 17: fig. 9. sigillarioides (Lesquereux) White. Pennsylvanian (Cherokee). 16659. Henry County, Missouri. White, 1899a, p.239, pi. 70: fig. 2. suspecta White. Pennsylvanian (LeRoy). 16650, 19732. Lawrence, Kansas. White, 1903, p. 106. suspecta White. Pennsylvanian (Lawrence). 16650. Lawrence, Kansas. Cridland et al., 1963, pi. 17: fig. 12. voltzi Brongniart Pennsylvanian (“Anthracite” Series). 16778. Plymouth, Pennsylvania. Lesquereux, 1880, p. 492, pi. 72: fig. 11. 34 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY williamsi Lesquereux. Pennsylvanian (“Anthracite” Series). 16745-46. Olyphant, Pennsylvanian. Les¬ quereux, 1884, p. 801, pi. 107: fig. 15. species. Early Permian. 31930-31. Santa Catharina, Brazil. White, 1908, pp. 471, 473, pi. 5: fig. 13; pi. 6: fig. 10. species. Pennsylvanian (Vandever). 41990. Durham, Georgia. Allen and Lester, 1954, pi. 36: fig. 4. Sigillarioid leaves. Pennsylvanian (Cherokee). 6102. Henry County, Missouri. White, 1899a, p. 230, pi. 64: fig. e. Sigillariostrobus quadrangularis (Lesquereux) White. Pennsylvanian. 25274, 25277. Port Griffith, Pennsylvania. Wood, 1957, pp. 141-154: figs. 9, 10. Sorocladus dispensus Lesquereux. Permian (Dunkard). 19612. Cassville, West Virginia. Lesley, 1890, p. 973. ophioglossoides Lesquereux. Pennsylvanian (Chero¬ kee). 14270. Henry County, Missouri. Lesquereux, 1880, p. 329, pi. 48: fig. 11. sagittatus Lesquereux. Pennsylvanian (Allegheny). 14274-77. Mazon Creek, Illinois. Lesquereux, 1884, p. 760, pi. 100: figs. 4,5. Spencer isporites species. Pennsylvanian (McLeansboro). 41187-41190. Berryville, Illinois. Mamay and Yochelson, 1962, pi. 33: figs. 11-14. Sphenophyllum angustifolium Germar. Pennsylvanian (Monogahela). 18710. Hocking Valley, Ohio. Lesquereux, 1884, p. 726, pi. 93: fig. 8. arkansanum White. Mississippian (Stanley). 39441- 44. De Queen quadrangle, Arkansas. White, 1936c, p. 55, pi. 14: figs. 10, 12, 14, 15, 19, 20. bifurcatum Lesquereux. Pennsylvanian (Pottsville). 18629. Washington County, Arkansas. Lesquereux, 1860, p. 309, pi. 1: fig. 2; 1880, p. 55, pi. 2: fig. 10. cuneifolium (Sternberg) Zeiller. Pennsylvanian (Pottsville). 40836-37, 40840. Bloomington quad¬ rangle, Indiana. Jackson, 1917, p. 411, pi. 1: figs. 2, 3, 6. emarginatum Brongniart. Pennsylvanian (Cherokee). 6068. Henry County, Missouri. White, 1899a, p. 177, pi. 59: fig. 1 d. emarginatum Brongniart. Pennsylvanian. 18550. Avoca, Pennsylvania. Abbott, 1958, p. 339, pi. 38: fig. 29. fasciculatum (Lesquereux) White. Pennsylvanian (Cherokee). 5637, 5639, 18295-96. Henry County, Missouri. White, 1899a, p. 183, pi. 50: figs. 1-4. fasciculatum (Lesquereux) White. Pennsylvanian (Cherokee). 18292. Henry County, Missouri. Abbott, 1958, p. 342, pi. 48: fig. 84. gilmorei White. Permian (Hermit). 38025. Grand Canyon, Arizona. White, 1929, p. 44, pi. 3; pi. 9: figs. 1, 2, 4; pi. 10: figs. 1, 3-6; pi. 21: fig. 5.—Read and Mamay, 1964, pi. 15: fig. 2. lescurianum White. Pennsylvanian (Cherokee). 12386, 18711. Henry County, Missouri. White, 1899a, p. 182, pi. 24: fig. 3 c; pi. 50: fig. 6b; pi. 51: fig. b. majus Brongniart. Pennsylvanian (Cherokee). 5679- 80, 18711. Henry County, Missouri. White, 1899a, p. 180, pi. 50, figs. 5, 6a; pi. 51: fig. a; pi. 73: fig. 3. oblongifolium (Germar and Kalfuss) Unger. Permian (Tubarao Series). 40616. Parana, Brazil. Read, 1941, p. 91, pi. 6: figs. 1,2. suspectum White. Pennsylvanian (McAlester). 6431, 6747. McAlester, Oklahoma. White, 1899b, p. 522, pi. 68: figs. 11, 12. tenerrimum Ettinghausen. Pennsylvanian (Pottsville). 18461, 18463. Rushville, Ohio. Lesquereux, 1884, p. 728, pi. 92: figs. 9, 10.—Abbott, 1958, p. 357, pi. 48: fig. 82. tenerrimum elongatum White. Pennsylvanian (Potts¬ ville). 40969, 40981. New Lincoln colliery, Pennsyl¬ vania. White, 1900, p. 898, pi. 193: figs. 8, 9. tenue White. Pennsylvanian (Pottsville). 18501-02 40966. Pocahontas quadrangle, West Virginia, and Warrior, Alabama. White, 1900, p. 901, pi. 191: figs. 6, 7. tenue White. Pennsylvanian (Pottsville). 40835- Bloomington quadrangle, Indiana. Jackson, 1917, p. 410, pi. 1: fig. 1. species. Mississippian (Wedington). 39476. Winslow quadrangle, Arkansas. White, 1936b, p. 40, pi. 8: fig. 16. NUMBER 5 35 Sphenopteridium brooksi Read. Mississippian (Pocono). 40654-55. Beech Fork, West Virginia. Read, 1955, p. 28, pi. 1: figs. 10, 11, 14.—Read and Mamay, 1964, pi. 2: fig. 4. dawsoni (Stur) Potonie. Mississippian (Stanley). 39377. De Queen quadrangle, Arkansas. White, 1936c, p. 63, pi. 11: fig. 11. girtya Read. Mississippian (Pocono). 40675-79. Beech Fork, West Virginia. Read, 1955, p. 28, pi. 1: figs. 1 - 6 . virginianum Read. Mississippian (Pocono). 40636- 37. Whitaker Falls, Virginia. Read, 1955, p. 27, pi. 1: figs. 7-9. Sphenopteris brittsi Lesquereux. Pennsylvanian (Cherokee). 14953. Henry County, Missouri. Lesquereux, 1880, p. 277, pi. 55: fig. 2. brittsi Lesquereux. Pennsylvanian (Allegheny?). 14954—55. Nelsonville, Ohio. Lesquereux, 1884, p. 764, pi. 102: figs. 3,4. brittsi Lesquereux. Pennsylvanian (Cherokee). 5626, 5668-69, 5703, 5705-06. Henry County, Missouri. White, 1899a, p. 53 pi. 15: fig. 1; pi. 16; pi. 17; pi. 18, figs. 1,2; pi. 19: fig. 3. broadheadi White. Pennsylvanian (Cherokee). 5619-20. Henry County, Missouri. White, 1899a, p. 41, pi. 13: figs. 1, 2. canneltonensis White. Pennsylvanian (Allegheny). 5569, 14672. Cannelton, Pennsylvania, and Henry County, Missouri. White, 1899a, p. 55, pi. 15: fig. 2. capitata White. Pennsylvanian (Cherokee). 5662. Henry County, Missouri. White, 1899a, p. 57, pi. 15: fig. 3. cheathami (Lesquereux) Read. Pennsylvanian (Weber). 39154, 39158. Evans Peak, Colorado. Read, 1934, p. 86, pi. 17: figs. 1-4. communis Lesquereux. Pennsylvanian (coal-bearing shale). 14340. Washington County, Arkansas. Lesquereux, 1884, p. 762, pi. 104: fig. 1. communis Lesquereux. Pennsylvanian (Pottsville). 40838. Bloomington quadrangle, Indiana. Jackson, 1917, p. 414, pi. 1: fig. 4. cf. S'. communis Lesquereux. Mississippian (Weding- ton). 39490. Winslow quadrangle, Arkansas. White, 1936b, p. 21, pi. 4: fig. 9. cf. communis Lesquereux. Pennsylvanian (Potts¬ ville) . 40839. Bloomington quadrangle, Indiana. Jackson, 1917, p. 414, pi. 1: fig. 5. cristata Sternberg. Pennsylvanian. 14644. Rhode Island. Lesquereux, 1884, p. 761, pi. 102: fig. 1. erectiloba White. Mississippian (Wedington). 39491. Winslow quadrangle, Arkansas. White, 1936b, p. 21, pi. 4: figs. 10,16. cf. S. gravenhorsti Brongniart. Pennsylvanian (Chero¬ kee). 5720. Henry County, Missouri. White, 1899a, p. 50, pi. 19: fig. 2. gravenhorsti var. B Brongniart. Pennsylvanian (Potts¬ ville). 14397. Dade County, Georgia. Lesquereux, 1884, p. 763, pi. 101: fig. 1. harveyi Lesquereux. Pennsylvanian (coal-bearing shale). 14386. Washington County, Arkansas. Lesquereux, 1884, p. 766, pi. 103: fig. 7. harveyi Lesquereux. Pennsylvanian (Pottsville). 41229, 41231. Gadsden, Alabama. Lesquereux, 1888, p. 84, pi. 29: figs. 5, 6, 9. harveyi robusta Lesquereux. Pennsylvanian (Potts¬ ville). 41235. Gadsden, Alabama. Lesquereux, 1888, p. 85, pi. 29: fig. 8. hastata McCoy. Early Permian. 31935. Santa Catharina, Brazil. White, 1908, p. 475, pi. 6: fig. 1. hitchcockana Dawson. Devonian. 41117. Perry, Maine. Dawson, 1862, p. 311, pi. 16: fig. 51. hymenophylloides Brongniart. Pennsylvanian (Alle¬ gheny). 14672. Cannelton, Pennsylvania. Lesque¬ reux, 1884, p. 764, pi. 102: fig. 2. illinoisensis White. Pennsylvanian (Cherokee). 5661, 5697. Henry County, Missouri. White, 1899a, p. 58, pi. 44: fig. 1; pi. 19: fig. 4. inequilateralis Lesquereux. Pennsylvanian (Potts¬ ville). 41164. Washington County, Arkansas. Lesquereux, 1884, p. 765, pi. 103: fig. 4. inequilateralis Lesquereux. Pennsylvanian (Potts¬ ville). 40846. Bloomington quadrangle, Indiana. Jackson, 1917, p. 414, pi. 2: fig. 6. lacoei White. Pennsylvanian (Cherokee). 5802. Henry County, Missouri. White, 1899a, p. 38, pi. 12: fig. 3. lacoei White. Pennsylvanian. 41017. Belleville, Mis¬ souri. White, 1893a, pp. 56-58, pi. 2: fig. 5. lobifolia Morris (counterpart). Pennsylvanian. 1360. Newcastle, New South Wales, Australia. Dana, 1849, pi. 12: fig. 12. macilenta Lindley and Hutton. Pennsylvanian. 41015— 16. Belleville, Missouri. White, 1893a, pp. 55, 56, pi. 1: figs. 4, 4 a. 36 cf. S. microcarpa Lesquereux. Pennsylvanian (Weber). 39154. Evans Peak, Colorado. Read, 1934, p. 85, pi. 17: figs. 6, 7. mississippiana White. Mississippian (Wedington). 39492-500. Winslow quadrangle, Arkansas. White, 1936b, p. 22, pi. 4: figs. 4,5, 11, 13-15, 17, 18, 20-23, 30, 36, 39. cf. S. mississippiana White. Mississippian (Stanley). 39372. De Queen quadrangle, Arkansas. White, 1936c, p. 63, pi. 11: figs. 17, 18. missouriensis White. Pennsylvanian (Cherokee). 5663-64. Henry County, Missouri. White, 1899a, p. 43, pi. 14: figs. 1, 2. mixta Schimper. Pennsylvanian (Cherokee). 5687, 5692, 5712-14. Henry County, Missouri. White, 1899a, p. 35, pi. 11: fig. 3; pi. 12: figs. 1, 2; pi. 13: figs. 4, 5. obovata Lindley and Hutton. Pennsylvanian. 14390. Washington County, Arkansas. Lesquereux, 1884, pp. 769-770, pi. 103: fig. 6. cf. S. obtusiloba Brongniart. Mississippian (Weding¬ ton). 39501. Winslow quadrangle, Arkansas. White, 1936b, p. 23, pi. 4: fig. 12. ophioglossoides (Lesquereux) White. Pennsylvanian (Cherokee). 5698. Henry County, Missouri. White, 1899a, p. 60, pi. 20: figs. 3, 4. parasica Gothan. Mississippian. 41007. Paracas Penin¬ sula, Peru. Read, 1938a, p. 399, fig. 2. patentissima (Ettinghausen) Schimper. Pennsylvanian (Pottsville). 40965. ?Lincoln colliery near Tremont, Pennsylvania. White, 1900, p. 880, pi. 188: fig. 1. pinnatifida (Lesquereux) White. Pennsylvanian (Cherokee). 5803, 5807, 14304. Henry County, Missouri. White, 1899a, p. 45, pi. 18: figs. 3, 4; pi. 19: fig. 1. plicata Lesquereux. Pennsylvanian (Allegheny). 14663-64. Mazon Creek, Illinois. Lesquereux, 1884, p. 763, pi. Ill: fig. 28. royi Lesquereux. Pennsylvanian. 19851-54. Rockwood, Tennessee, and Washington County, Arkansas. Lesquereux, 1884, p. 768, pi. 104: figs. 7-10. cf. S. schimperiana Goeppert. Mississippian (Weding¬ ton). 39502. Winslow quadrangle, Arkansas. White, 1936b, p. 24, pi. 4: figs. 7, 8. solida Lesquereux. Pennsylvanian (Allegheny). 14213- 14. Mazon Creek, Illinois. Lesquereux, 1884, p. 769, pi. 101: fig. 3. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY suspecta White. Pennsylvanian (Cherokee). 5649-50, 5652. Henry County, Missouri. White, 1899a, p. 51, pi. 35: figs. 1-3. taffi White. Pennsylvanian (McAlester). 6429-30, 6742. McAlester, Oklahoma. White, 1899b, p. 485, pi. 67: fig. 7; pi. 68: figs 1, 19. tracyana Lesquereux. Pennsylvanian (Pottsville). 14132. Tracy, Tennessee. Lesquereux, 1884, p. 766, pi. 101: fig. 2. tridactylites Brongniart. Pennsylvanian (Cherokee). 14304. Henry County, Missouri. Lesquereux, 1880, p. 284, pi. 55: fig. 9. van ingeni White. Pennsylvanian (Cherokee). 5616. Henry County, Missouri. White, 1899a, p. 47, pi. 13: fig. 3. wardiana White. Pennsylvanian (Cherokee). 5615, 5617. Henry County, Missouri. White, 1899a, p. 39, pi. 11: figs. 1,2. species. Mississippian (Stanley). 39370-71. De Queen quadrangle, Arkansas. White, 1936c, p. 64, pi. 10: figs. 1,2, 4,5. species. Permian (Tubarao Series). 40617. Parana, Brazil. Read, 1941, p. 73, pi. 3: fig. 7. species. Early Permian. 31936. Santa Catharina, Brazil. White, 1908, p. 477, pi. 6: fig. 2. species. Pennsylvanian (Cherokee). 5654, 5815. Henry County, Missouri. White, 1899a, p. 66, pi. 35: fig. 6; pi. 45: fig. 2. species. Pennsylvanian. 41018. Belleville, Missouri. White, 1893a, pp. 59-60, pi. 1: fig. 3. Sphenothallus latifolius Hall. Ordovician. 41118. Schoharie County, New York. Hall, 1847, p. 262, pi. 68: fig. 2d. Spirophyton cauda-galli (Vanuxem) Hall. Devonian. 41132. New York. Hall, 1863, p. 79, fig. 1. Sporocystis planus Lesquereux. Pennsylvanian (Pottsville). 25196-99. Pittston, Pennsylvania. Lesquereux, 1880, p. 458, pi. 69: fig. 15. species. Pennsylvanian (Allegheny). 26052-53. Can- nelton, Pennsylvania. Lesquereux, 1880, p. 458, pi. 69: figs. 11,12. NUMBER 5 37 Steloxylon irvingense Read and Campbell. Devonian. 41270. Irving, Kentucky. Read and Campbell, 1939, p. 445, pi. 1: fig. 1. santae-crucis Read and Campbell. Devonian. 41271. Boston, Kentucky. Read and Campbell, 1939, p. 446, pi. 1: figs. 2,4,5. Stemmatopteris anceps Lesquereux. Pennsylvanian (Allegheny). 17139-40. Cannelton, Pennsylvania. Lesquereux, 1884, p. 838. angustata Lesquereux. Pennsylvanian (Allegheny). 17078. Cannelton, Pennsylvania. Lesquereux, 1880, p. 339, pi. 59: fig. 5. cyclostigma Lesquereux. Pennsylvanian (“Anthracite Series”). 11050, 17088-89. Olyphant, Pennsylvania. Lesquereux, 1880, p. 341. emarginata Lesquereux. Pennsylvanian (Allegheny). 17142. Cannelton, Pennsylvania. Lesquereux, 1880, p. 337. hirsuta Lesquereux. Pennsylvanian. 17070. Olyphant, Pennsylvania. Lesquereux, 1880, p. 337. microstigma Lesquereux. Pennsylvanian (Alle¬ gheny) . 17134—37. Cannelton, Pennyslvania. Lesque¬ reux, 1884, p. 838. mimica Lesquereux. Pennsylvanian (Allegheny). 17141. Cannelton, Pennsylvania. Lesquereux, 1880, p. 341, pi. 59: fig. 4. polita Lesquereux. Pennsylvanian (Allegheny). 17096. Cannelton, Pennsylvania. Lesquereux, 1880, p. 342, pi. 59: fig. 6. squamosa Lesquereux. Pennsylvanian (Allegheny). 17073. Cannelton, Pennsylvania. Lesquereux, 1880, p. 339, pi. 59: fig. 2. Stenokoleos setchelli (Read) Hoskins and Cross. Mississippian. 41272-74. New Albany, Indiana. Hoskins and Cross, 1951, p. 702, figs. 21, 25,26. simplex (Read) Beck. Devonian. 41268. New Albany, Indiana. Beck, 1960, figs. 9, 17c. Stenomyelon muratum Read. Devonian. 41249. Junction City, Kentucky. Read, 1937, p. 84, pi. 20: figs. 1, 3; pi. 21: fig. 2; pi. 22: figs. 1-3; pi. 23: figs. 4, 5; pi. 26: figs. 1, 3, 6. Stigmaria arkansana White. Mississippian (Wedington). 39538-39. Winslow quadrangle, Arkansas. White, 1936b, p. 32, pi. 5: fig. 6; pi. 9: fig. 8. russelli Lesquereux. Pennsylvanian (Pottsville). 41230. Gadsden, Alabama. Lesquereux, 1888, p. 87, pi. 29: fig. 11. wedingtonensis White. Mississippian (Wedington). 39540-41. Winslow quadrangle, Arkansas. White, 1936b, p. 32, pi. 5: fig. 7; pi. 9: fig. 3. cf. sigillaria camptotaenia Wood. Pennsylvanian (Cherokee). 6067. Henry County, Missouri. White, 1899a, p. 246, pi. 70: fig. 5. species. Mississippian (Stanley). 39451. De Queen quadrangle, Arkansas. White, 1936c, p. 58, pi. 14: fig. 18. Supaia anomala White. Permian (Hermit). 38035. Grand Canyon, Arizona. White, 1929, p. 71, pi. 20: figs. 1-3; pi. 21: figs. 1-4; pi. 22; pi. 24: fig. 4. breviloba White. Permian (Hermit). 38037. Grand Canyon, Arizona. White, 1929, p. 74, pi. 33: fig. 1. compacta White. Permian (Hermit). 38034. Grand Canyon, Arizona. White, 1929, p. 69, pi. 15: fig. 4; pi. 16: fig. 4; pi. 26: fig. 3; pi. 32: fig. 1; pi. 35: fig. 3.—Read and Mamay, 1964, pi. 14: fig. 2. linearifolia White. Permian (Hermit). 38036. Grand Canyon, Arizona. White, 1929, p. 72, fig. 1, pi. 23: fig. 1; pi. 36: fig. 4. merriami White. Permian (Hermit). 38033. Grand Canyon, Arizona. White, 1929, p. 67, pi. 19.—Read and Mamay, 1964, pi. 15: fig. 1. rigida White. Permian (Hermit). 38031. Grand Canyon, Arizona. White, 1929, p. 64, pi. 17: figs. 1-3. sturdevanti White. Permian (Hermit). 38032. Grand Canyon, Arizona. White, 1929, p. 65, pi. 18: figs. 1, 2. sturdevanti White. Permian (Hermit). 38040. Grand Canyon, Arizona. Read and Mamay, 1964, pi. 14: fig. 1. subgoepperti White. Permian (Hermit). 38038. Grand Canyon, Arizona. White, 1929, p. 75, pi. 25. 38 thinnfeldioides White. Permian (Hermit). 38030. Grand Canyon, Arizona. White, 1929, p. 62, pi. 14; pi. 15: figs.,2, 3, 5; pi. 16: figs. 2, 3. species. Permian (Hermit). 38039. Grand Canyon, Arizona. White, 1929, p. 77, pi. 34. species indeterminate. Permian (Hermit). 38040. Grand Canyon, Arizona. White, 1929, p. 78, pi. 32: fig. 2; pi. 33: figs. 2, 3. species. Permian (Hermit). 38041. Grand Canyon, Arizona. White, 1929, p. 78, pi. 24: fig. 1. Syringodendron gracile Dawson. Early Mississippian. 41119. Akron, Ohio. Dawson, 1862, p. 308, pi. 13: fig. 14. T aeniocrada chrondriformis (Penhallow) White. Devonian (Che¬ mung) . 5405. Lanesboro, Pennsylvania. White, 1901, p. 604. lesquereuxi White. Devonian (Chemung). 5409. Lanesboro, Pennsylvania. White, 1901, p. 604. palmata White. Devonian. 36457. Gleason’s Cove, Maine. Smith and White, 1905, p. 37, pi. 2: fig. 10. T aeniophyllum brevifolium Lesquereux. Pennsylvanian (Allegheny). 19276-77. Cannelton, Pennsylvania. Lesquereux, 1884, p. 788, pi. 108: fig. 3. contextum Lesquereux. Pennsylvanian (Allegheny). 19270. Cannelton, Pennsylvania. Lesquereux, 1878, p. 332; 1880, p.465, pi. 82: fig. 2. decurrens Lesquereux. Pennsylvanian (Allegheny). 19256. Cannelton, Pennsylvania. Lesquereux, 1878, p. 331; 1880, p. 464, pi. 81: fig. 1. deflexum Lesquereux. Pennsylvanian (Allegheny). 19252. Cannelton, Pennsylvania. Lesquereux, 1878, p. 331; 1880, p.465,pi. 83: fig. 4. latifolium White. Pennsylvanian (Cherokee). 6068, 6070. Henry County, Missouri. White, 1899a, p. 247, pi. 63: fig. 4; pi. 71: fig. 1. T aeniophyllum? species. Pennsylvanian. 2205. Warrior Creek, Alabama. Lesquereux, 1887, p. 29. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY T aeniopteris angelica White. Permian (Hermit). 38048. Grand Canyon, Arizona. White, 1929, p. 93, pi. 31: fig. 3; pi. 36: fig. 2; pi. 38: fig. 2. coriacea Goeppert. Permian (Hermit). 38049. Grand Canyon, Arizona. White, 1929, p. 94, pi. 36: fig. 1; pi. 37: fig. 3; pi. 38: fig. 3. coriacea Goeppert. Permian. 7744. Dickinson County, Kansas. Sellards, 1901, p. 2, pi. 4: fig. 1. coriacea Goeppert (counterpart). Permian. 8092-93. Dickinson County, Kansas. Sellards, 1901, p. 2, pi. 2: figs. 1, 2. cf. eckhardti Kurtze. Permian. 38046-47. Grand Canyon, Arizona. White, 1929, p. 92, pi. 37: figs. 1, 2; pi. 38: figs. 1,4. missouriensis White. Pennsylvanian (Cherokee). 5556-58, 5560. Henry County, Missouri. White, 1893b, pp. 119-131, pi. 1: figs. 1-6; 1899a, p. 140, pi. 40: figs. 1-6. newberriana Fontaine and White (counterpart). Permian (Wellington). 8087. 3 miles south of Banner City, Kansas. Sellards, 1901, p. 4, pi. 4: fig. 4.—Read and Mamay, 1964, pi. 16: fig. 1. truncata Lesquereux. Pennsylvanian. 11699. Pittston, Pennsylvania. Lesquereux, 1884, p. 743, pi. 94: fig- 8 - species. Pennsylvanian (Pottsville). 40893. Clay City quadrangle, Indiana. Jackson, 1917, pi. 9: fig. 3. Taonurus colletti Lesquereux. Carboniferous. 25056. Missouri. Lesquereux, 1880, p. 7, pi. A: fig. 7. T axites? species. Permian (Hermit). 38059. Grand Canyon, Arizona. White, 1929, p. 109, pi. 49: fig. 6. T elangium? species. Mississippian (Wedington). 39503. Winslow quadrangle, Arkansas. White, 1936b, p. 24, pi. 5: fig. 2. ?Tingia species. Permian (Belle Plains). 41773. Emily Irish Grant, Baylor County, Texas. Read and Mamay, 1964, pi. 18: fig. 3. NUMBER 5 39 Titanophyllum brittsi White. Pennsylvanian (Cherokee). 6168. Henry County, Missouri. White, 1899a, p. 271. T richopitys whitei Read. Pennsylvanian (Weber). 39156. Evans Peak, Colorado. Read, 1933, pp. 461-463, fig. 1; 1934, p. 89, pi. 18: figs. 4,5. T rigonocarpus adamsi Lesquereux. Pennsylvanian. 26727-33. Stark County, Illinois, and Cannelton, Pennsylvania. Lesquereux, 1884, p. 820, pi. 110: figs. 51, 52, 54-57. ampullaeformis Lesquereux. Pennsylvanian. 26536-38. Washington County, Arkansas, and Tracy, Ten¬ nessee. Lesquereux, 1884, p. 823, pi. 109: figs. 18, 19,21. ampullaeforme spectabile White. Pennsylvanian (Pottsville). 40970. Lincoln colliery, Pennsylvania. White, 1900, p. 909, pi. 191: fig. 8. dawesi Lindley and Hutton. Pennsylvanian (Alle¬ gheny). 26137. Cannelton, Pennsylvania. Lesque¬ reux, 1880, p. 586, pi. 85: fig. 25. dawesi Lindley and Hutton. Pennsylvanian. 26138-40. Stark County, Illinois. Lesquereux, 1884, p. 821, pi. Ill: figs. 4-6. giffordi Lesquereux. Pennsylvanian. 26755. Alta, Peoria County, Illinois. Lesquereux, 1880, pp. 592- 593, pi. 85: figs. 5,6. gillhami White. Mississippian (Stanley). 39418-22. De Queen quadrangle, Arkansas. White, 1936c, p. 66, pi. 12: fig. 12; pi. 14: figs. 5-8. grandis Lesquereux. Pennsylvanian. 26018-20. Stark County, Illinois, and Cannelton, Pennsylvania. Lesquereux, 1884, p. 819, pi. Ill: figs. 1-3. helenae White. Pennsylvanian (Pottsville). 26268. Helena mines, Alabama. White, 1900, p. 909. hexacostatum Jackson. Pennsylvanian (Pottsville?). 40874. Bloomington quadrangle, Indiana. Jackson, 1917, p.420, pi. 6: fig. 4. hexagonale Jackson. Pennsylvanian (Pottsville?). 40875. Cincinnati, Bloomington quadrangle, In¬ diana. Jackson, 1917, p. 420, pi. 6: fig. 5. kansasianus Lesquereux. Pennsylvanian (Missourian). 26999-27002. Osage City, Kansas. Lesquereux, 1884, p. 822. perpusillus Lesquereux. Pennsylvanian. 26982-83, 26985. Stark County, Illinois. Lesquereux, 1884, p. 820, pi. 110: figs. 58-60. schultzianus Goeppert and Berger. Pennsylvanian. 26006-08. Stark County, Illinois. Lesquereux, 1884, p. 819, pi. 110: figs. 63-65. cf. schultzianum Goeppert and Berger. Pennsylvanian (Pottsville). 40876. Bloomington quadrangle, In¬ diana. Jackson, 1917, p. 420, pi. 6: fig. 7. starkianus Lesquereux. Pennsylvanian. 26865-71. Stark County, Illinois. Lesquereux, 1884, p. 822, pi. Ill: figs. 7-13. vallisjohanni White. Mississippian (Stanley and Jackfork). 39423-25. De Queen quadrangle, Arkansas, and Tuskahoma quadrangle, Oklahoma. White, 1936c, p. 66, pi. 14: figs. 2-4. T riletes auritus var. grandis Zerndt. Pennsylvanian (McLeansboro). 41191-93. Berryville, Illinois. Mamay and Yochelson, 1962, pi. 33: figs. 15-17. glabratus Zerndt. Pennsylvanian (McLeansboro). 41179-80. Berryville, Illinois. Mamay and Yochelson, 1962, pi. 33: figs. 3, 4. cf. T. rugosus (Loose) Schopf. Pennsylvanian (Secor coal). 41194-95. McAlester, Oklahoma, Mamay and Yochelson, 1962, pi. 33: figs. 18, 19. cf. T. superbus Bartlett. Pennsylvanian (Cherokee). 41181-86, 41203-06. West Mineral, Kansas. Mamay and Yochelson, 1962, pi. 33, figs. 5-10, 27-30. triangulatus Zerndt. Pennsylvanian. 41197-98. Oskaloosa, Iowa. Mamay and Yochelson, 1962, pi. 33: figs. 21, 22. T riphyllopteris alleghanensis (Meek) Read. Mississippian (Pocono). 40689. Lewis tunnel, Virginia. Read, 1955, p. 25, pi. 9: figs. 3-5. latilobata Read. Mississippian (Pocono). 40693-95. ?Virginia. Read, 1955, p. 24, pi. 8: figs. 1-3; pi. 10: fig. 5. lescuriana (Meek) Lesquereux. Mississippian (Pocono). 1447. Lewis tunnel, Virginia. Lesque- reaux, 1880. p. 297, pi. 50: fig. 6.—Butts, 1941, pi. 133: fig. 1. 40 lescuriana (Meek) Lesquereux. Mississippian (Pocono). 1467, 2190, 19956, 40644, 40704. Various Virginia localities. Read, 1955, p. 24, pi. 5: figs. 3, 4; pi. 6: figs. 1-3; pi. 11: fig- 3. lescuriana (Meek) Lesquereux. Mississippian (Price). 19929. iy 2 miles north of Vicker, Virginia. Read and Mamay, 1964, pi. 1: fig. 3. rarinervis Read. Mississippian (Price). 19934, 19974, 40641. Montgomery County, Virginia. Read and Mamay, 1964, pi. 2: fig. 1.—Read, 1955, p. 25, pi. 7: figs. 1, 2; pi. 12: figs. 3,4; pi. 13: fig. 3. T rochiliscus devonica (Wieland) Peck. Devonian. 39151. Falls of the Ohio, Louisville, Kentucky. Peck, 1934, p. 108, pi. 12: figs. 16, 19-20. greenei (Ulrich) Brown. Devonian. 42079. Falls of the Ohio, Louisville, Kentucky. Brown, 1946, p. 344. lemoni (Knowlton) Karpinsky. Devonian. 3664. Falls of the Ohio, Louisville, Kentucky. Peck, 1934, p. 105, pi. 9: figs. 6 a, 6c. T rochophyllum clavatum Lesquereux. Pennsylvanian. 16643. Pittsburgh, Pennsylvania. Lesquereux, 1880, pi. 3: fig. 21. Tubicaulis scandens Mamay. Pennsylvanian (McLeansboro). 41291. Berryville, Illinois. Mamay, 1952, unfigured sections of holotype. T yliosperma orbiculatum Mamay. Pennsylvanian (Des Moines;. 41290. West Mineral, Kansas. Mamay, 1954c, figs. 2a-2l ; pi. 22: figs. 1-9; pi. 23: figs. 1-8. Ullmannia frumentaria (Schlotheim) Goeppert. Permian (Her¬ mit). 38055. Grand Canyon, Arizona. White, 1929, p. 102, pi. 46: figs. 1-6; pi. 48: fig. 1; pi, 51: fig. 7. SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY Ulodendron ellipticum Presl. Pennsylvanian (Allegheny). 15823. Morris, Illinois. Lesquereux, 1870, p. 436, pi. 23: fig. 1; 1880, p. 404, pi. 65: fig. 2. Undetermined roots. Pennsylvanian (Spotted Ridge). 40731-32. Crook County, Oregon. Mamay and Read, 1956, p. 221, pi. 37: figs. 1, 2. Volkmannia crassa Lesquereux. Pennsylvanian (Pottsville). 18091. Dade County, Georgia. Lesquereux, 1884, pp. 719— 720, pi. 90: fig. 1. fertilis Lesquereux. Pennsylvanian. 17772-75. Arch¬ bald, Pennsylvania, and Stark County, Illinois. Lesquereux, 1884, p. 720, pi. 90: fig. 4. praelonga Lesquereux. Pennsylvanian (“Anthracite Series”). 18425. Pittston, Pennsylvania. Lesque¬ reux, 1884, p. 720, pi. 90: fig. 2. Voltzia dentiloba White. Permian (Hermit). 38056. Grand Canyon, Arizona. White, 1929, p. 105, pi. 51: fig. 5. species. Permian (Hermit). 38057. Grand Canyon, Arizona. White, 1929, p. 106, pi. 50: fig. 5. Voltzia? species. Early Permian. 32024, 32026-27. Santa Catha- rina, Brazil. White, 1908, p. 569, pi. 8: figs. 11-13. Walchia dawsoni White. Permiah (Hermit). 38052. Grand Canyon, Arizona. White, 1929, p. 99, pi. 42: fig. 6; pi. 44: figs. 1, 4. gracillima White. Permian (Hermit). 38053. Grand Canyon, Arizona. White, 1929, p. 100, pi. 44: figs. 2, 3, 5, 6. hypnoides Brongniart. Permian (Hermit). 38054. Grand Canyon, Arizona. White, 1929, p. 102, pi. 49: fig. 5. piniformis (Schlotheim) Sternberg. Permian (Her¬ mit). 38051. Grand Canyon, Arizona. White, 1929, p. 96, pi. 41: figs. 1-3, 5; pi. 42: figs. 1-5. NUMBER 5 41 piniformis (Schlotheim) Sternberg. Permian (Abo). 41222. Spanish Queen mine, 6 miles southwest of Jemez, New Mexico. Read and Mamay, 1964, pi. 13: fig. 2. cf. Walchia stricta Florin. Early Permian. 41158. Cotton County, Oklahoma. Florin, 1939, pis. 135/136: figs. 13, 14. Walchiostrobus species. Early Permian. 41157. La Cuava, New Mexico. Florin, 1939, pis. 95/96: fig. 18. Walkomiella australis (Feistmantel) Florin. Early Permian. 3729. Bowenfel, Australia. Florin, 1940, fig. 3, pi. 1: figs. 1-8; pi. 2: figs. 2-8; pi. 3: figs. 1-3. Wardia suspecta White. Mississippian (Stanley). 39399-400. DeQueen quadrangle, Arkansas. White, 1936c, p. 64, pi. 11: figs. 1-3. Whittlesey a campbelli White. Pennsylvanian (Pottsville). 40976, 40983-84. Pottsville Gap and Lincoln colliery near Tremont, Pennsylvania. White, 1900, p. 905, pi. 190: figs. 9-11. elegans Newberry. Pennsylvanian. 41067. Talmadge, Ohio. Read, 1946, p. 20, pi. 2: fig. 10. microphylla Lesquereux. Pennsylvanian. 18880-82, 18888. Washington County, Arkansas. Lesquereux, 1884, p. 843.—Lesley, 1890, p. 1256. undulata Lesquereux. Pennsylvanian (Late Pottsville). 42181. Pratt mines, Alabama, White, 1901b, p. 107, pi. 7: fig. 6. Yakia heterophylla White. Permian (Hermit). 38044. Grand Canyon, Arizona. White, 1929, p. 86, pi. 39: figs. 1-7. Zeilleria oliverirai Read. Permian (Tubarao Series). 40618. Parana, Brazil. Read, 1941, p. 71, pi. 1: figs. 1-5. species. Pennsylvanian (Pottsville). 40839. Blooming¬ ton quadrangle, Indiana. Jackson, 1917, p. 414, pi. 1: fig. 5. 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Index to Species abbensis, Cardiopteris, 9 abbreviata, Odontopteris, 25 Pecopteris, 27 abnormalis, Rhabdocarpos, 30 acadica, Cyclopteris, 12 aculeatum, Lepidodendron, 18 acuminatum, Aphlebia, 3 Cardiocarpon, 8 Lepidophyllum, 20 adamsi, Trigonocarpus, 39 adnascens, Hymenophyllites, 17 Rhacophyllum, 31 adzvensis, Callipteris, 7 aequalis, Odontopteris, 26 affine, Lepidophyllum, 24 affinis, Odontopteris, 26 agassizi, Neuropteris, 24 akroni, Cardiocarpon, 8 alatus, Hymenophyllites, 17 alcicorne, Psilophyton, 30 aldrichi, Callipteridium, 7 Diplothmema, 13 aliena, Brongniartites, 6 alleghanensis, Rhodea, 32 Triphyllopteris, 39 allegheniensis, Archaeopteris, 4 Cyclopteris, 12 altoonensis, Alcicornopteris, 2 ambigua, Alethopteris, 2 americana, Annularia, 3 Calamopitys, 7 Gigantopteris, 16 Lebachia, 18 ampla, Glossopteris, 16 ampullaeforme, Trigonocarpus, 39 ampullaeformis, Trigonocarpus, 39 amygdalaeformis, Rhabdocarpos, 30 anceps, Pseudopecopteris, 29 Stemmatopteris, 37 andrewsi, Lepidodendron, 18 Palaeostachya, 27 angelica, Taeniopteris, 38 angularis, Lepidocystis, 18 Plinthiotheca, 29 angustata, Stemmatopteris, 37 angustifolium, Sphenophyllum, 34 annularis, Cardiocarpon, 8 annulatum, Cardiocarpon, 8 anomala, Supaia, 37 anomalum, Lepidoxylon, 21 antecedens, Cardiopteris, 9 aperta, Macrostachya, 22 apiculatus, Cordaicarpon, 11 Rhabdocarpos, 30 approximatum, Bornia, 5 arborescens, Lycopodites, 21 Pecopteris, 27 arcuatus, Rhabdocarpos, 30 arizonae, Callipteris, 7 arizonicum, Brachyphyllum, 6 arkansana, Alloiopteris, 2 Stigmaria, 37 arkansanum, Sphenophyllum, 34 arkansanus, Asterophyllites, 5 artemisiaefolia, Eremopteris, 15 aspera, Neuropteris, 24 asteris, Annularia, 3 auriculata, Kalymma, 17 Neuropteris, 24 aurita, Derbyella, 13 auritus, Triletes, 39 australe, Brachyphyllum, 6 australis, Aphlebia, 3 Clasteria, 10 Phyllotheca, 28 Reinschia, 30 Sigillaria, 33 Walkomiella, 41 barcellosum, Cardiocarpon, 8 bassleri, Adiantites, 1 Cryptozoon, 12 bertrandi, Clepsydropsis, 10 bicuspidatum, Cardiocarpon, 8 bifidus, Gomphostrobus, 16 biformis, Neuropteris, 24 bifurcatum, Sphenophyllum, 34 bilobata, Eremopteris, 15 bilobatus, Physophycus, 29 blackburgensis, Rhodea, 32 blissi, Neuropteris, 24 boylensis, Lepidodendron, 18 bracteata, Schutzia, 33 bradleyi, Odontopteris, 26 branneri, Cardiocarpon, 8 brardi, Sigillaria, 33 brasilensis, Hysterites, 17 brevifolia, Calamostachys, 7 brevifolium, Lepidophyllum, 20 Taeniophyllum, 38 breviloba, Supaia, 37 brittsi, Calamites, 6 Lepidodendron, 18 Sphenopteris, 35 Titanophyllum, 39 46 NUMBER 5 47 broadheadi, Gonostichus, 11 Sphenopteris, 35 brooksi, Sphenopteridium, 35 browniana, Glossopteris, 16 bursiformis, Eltovaria, 14 butleri, Lepidostrobus, 20 butlerianus, Carpolithes, 10 calamitinoides, Equisetites, 14 callicyrta, Lycopogenia, 22 cambuhyensis, Pecopteris, 27 campbelli, Clepsydropsis, 10 Whittleseya, 41 campbellianum, Lepidophyllum, 20 camptotaenia, Sigillaria, 33 canneltonensis, Sphenopteris, 35 capitata, Mariopteris, 22 Neuropteris, 24 Sphenopteris, 35 carceraria, Neuropteris, 24 cardiopterioides, Adiantites, 1 Aneimites, 2 carri, Neuropteris, 24 cauda-galli, Fucoides, 15 Spirophyton, 36 caudata, Neuropteris, 24 cellulosa, Phytopsis, 29 cerasiformis, Carpolithes, 10 chaneyi, Clepsydropsis, 10 charaeformis, Asterophyllites, 5 cheathami, Diplothmema, 13,14 Eremopteris, 15 Sphenopteris, 35 cheilanthoides, Mariopteris, 22 chemungense, Knorria, 17 Lepidodendron, 18 Sigillaria, 33 chesterensis, Lepidocystis, 18 chesterianus, Chlamidostachys, 10 choctavense, Lepidodendron, 18 Rhychogonium, 32 chondriformis, Haliserites, 16 Taeniocrada, 38 cinctus, Cordaicarpon, 11 circularis, Cardiocarpon, 8 clarki, Hymenophyllites, 17 clavatum, Trochophyllum, 40 clavatus, Rhabdocarpos, 30 Rusophycus, 32 clintoni, Pecopteris, 27 clypeatum, Lepidodendron, 18 colletti, Taonurus, 38 commune, Cardiocarpon, 8 communis, Cordaites, 11 Macrostachya, 22 Ovopteris, 26 Sphenopteris, 35 compacta, Knorria, 17 Supaia, 37 composita, Diplothmema, 14 conferta, Callipteris, 7 confinis, Carpolithes, 10 conglobatus, Cardiocarpon, 8 conicus, Carpolithes, 10 contextum, Taeniophyllum, 38 coralloides, Archaeocalamites, 4 cordaites, Hysterites, 17 cordata-ovata, Mariopteris, 22 cordatum, Cardiocarpon, 8 coriacea, Taeniopteris, 38 coriaceum, Lepidophyllum, 20 cornuta, Odontopteris, 26 cornu turn, Cardiocarpon, 8 coronatus, Rhabdocarpos, 30 corrallum, Rhacophyllum, 31 corrugatum, Lepidodendron, 18 costatulus, Rhabdocarpos, 31 costatus Cordaianthus, 11 Cordaites, 11 coxi, Asterophycus, 5 crassa, Alethopteris, 2 Volkmannia, 40 crassus, Cardiocarpon, 8 crenulata, Eremopteris, 15 Neuropteris, 24 cristata, Sphenopteris, 35 crookensis, Mesocalamites, 23 cruciatus, Calamites, 6 cultriforme, Lepidophyllum, 20 cultriformis, Cantheliophorus, 8 cuneata, Rhacopteris, 32 cuneatum, Cardiocarpon, 8 cuneifolium, Sphenophyllum, 34 cuspidata, Annularia, 3 cuspidatum, Lepidodendron, 18 cyclopteroides, Adiantites, 1 cyclostigma, Lepidodendron, 18 Omphalophloios, 26 Stemmatopteris, 37 danvillensis, Plicorachis, 29 dawesi, Trigonocarpus, 39 dawsoni, Cladoxylon, 10 Sphenopteridium, 35 Walchia, 40 dechenianus, Haliserites, 16 decipiens, Mariopteris, 22 Neuropteris, 24 Pseudopecopteris, 29 decurrens, Taeniophyllum, 38 deflexum, Taeniophyllum, 38 deformata, Odontopteris, 26 dentata, Megalopteris, 23 Pecopteris, 27 denticulata, Archaeopteris, 4 dentiloba, Voltzia, 40 derbyi, Lycopodiopsis, 21 devonica, Trochiliscus, 40 dichotomum, Dicranophyllum, 13 dichotomus, Cordaianthus, 11 dilatata, Neuropteris, 24 dilatatus, Cardiocarpon, 8 Lepidophloios, 19 48 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY diminutivus, Cardiocarpon, 8 dimorpha, Pseudopecopteris, 29 dimorphum, Dicranophyllum, 13 diplotesta, Cardiocarpon, 8 dspensus, Sorocladus, 34 divergens, Cardiocarpon, 8 dluhoschi, Neuropteris, 24 dorfi, Protocalamites, 29 dubium, Pagiophyllum, 26 duplex, Fucoides, 15 Palaeophycus, 26 eastmanni, Archaeopitys, 4 ebracteatus, Cordaianthus, 11 eckhardti, Taeniopteris, 38 elegans, Eremopteris, 15 Lepidophyllum, 20 Polyxylon, 29 Sigillaria, 33 Whittleseya, 41 ellipticum, Ulodendron, 40 ellipticus, Cardiocarpon, 9 elongatum, Megaphyton, 23 elongatus, Cardiocarpon, 9 elrodi, Neuropteris, 24 emarginata, Stemmatopteris, 37 emarginatum, Sphenophyllum, 34 emersoni, Annularia, 3 Danaeites, 12, 13 equisetiformis, Asterophyllites, 5 erectiloba, Diplothmema, 14 Sphenopteris, 35 eremopteroides, Mariopteris, 22 erosa, Alloiopteris, 2 Pecopteris, 27 evansi, Alethopteris, 2 expansum, Rhacophyllum, 31 fallax, Lepidophyllum, 20 fasciculata, Megalopteris, 23 Monoscalitheca, 23 fasciculatum, Asterophyllites, 5 Sphenophyllum, 34 fasciolus, Dictyotites, 13 fayettevillense, Rhychogonium, 32 fayettevillensis, Archaeocalamites, 4 fertilis, Aneimites, 2 Volkmannia, 40 filiciforme, Ernestiodendron, 15 fischeri, Odontopteris, 26 flabellifera, Callipteris, 7 flexuosa, Buthotrephis, 6 Neuropteris, 24 flexuosus Cordaianthus, 11 fluctans Palaeophycus, 26 foerstei, Calamopitys, 7 fontainei, Pecopteris, 27 fraxiniformis, Lepidocystis, 18 frumentaria, Ullmannia, 40 fruticosa, Callithamopsis, 8 fucoideum, Rhacophyllum, 31 gangamopteroides, Rosellinites, 32 garnettensis, Lebachia, 18 gaspeanum, Lepidodendron, 19 geniculatum, Diplothmema, 14 georgiana, Pecopteris, 27 germari, Aphlebia, 3 giffordi, Trigonocarpus, 39 gilkersonensis, Linopteris, 21 gillhami, Trigonocarpus, 39 gilmorei, Sphenophyllum, 34 girtyi, Cardiocarpon, 9 Sphenopteridium, 35 glabra, Ankyropteris, 3 glabratus, Triletes, 39 glenni, Diplothmema, 14 globosus, Lepidostrobus, 20 goepperti, Rhodea, 32 goeppertiana, Lebachia, 18 goldenbergi, Megaphyton, 23 gracile, Cardiocarpon, 9 Desmiophyllum, 13 Lepidophyllum, 20 Syringodendron, 38 gracilentus, Archeocalamites, 4 gracilis, Asterophyllites, 5 Buthotrephis, 6 Cordaites, 12 Equisetites, 14 Eremopteris, 15 Paleophycus, 27 gracillima, Walchia, 40 grand’euryi, Cordaistrobus, 11 Megaphyton, 23 Sigillaria, 33 grandifolia, Alethopteris, 2 grandifolius, Cordaites, 12 grandini, Alethopteris, 2 grandis, Medullosa, 23 Prosseria, 29 Psilophyton, 30 Trigonocarpos, 39 granularis, Carpolithes, 10 gravenhorsti, Sphenopteris, 35 greenei, Moellerina, 23 Trochiliscus, 40 griesbachi, Phyllotheca, 28 griffithi, Neuropteris, 24 gutbieri, Cordaicarpon, 11 halberstadti, Diplothmema, 14 halli, Alethopteris, 2 Peopteris, 27 halliana, Archaeopteris, 4 Cyclopteris, 12 hamulosum, Rhacophyllum, 31 harrisi, Neuropteris, 24 harveyi, Cardiocarpon, 9 Sphenopteris, 35 hastata, Neuropteris, 24 Sphenopteris, 35 hastatus, Lepidostrobus, 20 helenae, Trigonocarpus, 39 NUMBER 5 49 hemitilioides, Pecopteris, 27 henbesti, Lepidodendron, 19 hendricksi, Ankyropteris, 3 hesperius, Mesocalamites, 23 heterophylla, Neuropteris, 24 Yakia, 41 hexacostatum, Trigonocarpus, 39 hexagonale, Trigonocarpus, 39 hirsuta, Stemmatopteris, 37 hirta, Cardiopteris, 9 hislopi, Noeggerathiopsis, 25 hispida, Pseudopecopteris, 29 hitchcockana, Sphenopteris, 35 hitchcocki, Archaeopteris, 4 hybemica, Archaeopteris, 4 hymenophylloides, Otidophyton, 26 Sphenopteris, 35 hypnoides, Walchia, 40 ichthyoderma, Lepidophloios, 19 ichthyolepis, Sigillaria, 33 illinoisensis, Sphenopteris, 35 inaequale, Callipteridium, 7 inaequilateralis, Alloiopteris, 2 Sphenopteris, 35 incerta, Dimeripteris, 13 indianensis, Reimanniopsis, 30 indica, Glossopteris, 16 inflata, Mariopteris, 22 inflatum, Rhacophyllum, 31 inflatus, Hymenophyllites, 17 Rhabdocarpos, 31 infundibuliformis, Macrostachya, 22 ingens, Cardiocarpon, 9 inopinatus, Calamites, 6 inosculata, Buthotrephis, 6 inquirenda, Carpolithes, 10 inquisitus, Lepidocystis, 18 insignis, Rhabdocarpos, 31 iowensis, Litostrobus, 21 irregulare, Cardiocarpon, 9 irregularis, Cardiopteris, 9 Pseudopecopteris, 29 irvingense, Steloxylon, 37 jacksoni, Archaeopteris, 4 jacksonianum, Rhabdocarpos, 31 jeffreyi, Hierogamma, 17 jenneyi, Lepidocystis, 18 Lepidophyllum, 20 Neuropteris, 24 Pecopteris, 27 johnsoni, Dactyophyllum, 12 kansasianus, Trigonocarpus, 39 kentuckiensis, Diichnia, 13 kiltorkense, Bothrodendron, 5 kopfi, Arachnoxylon, 4 lacoei Alethopteris, 2 Caulopteris, 10 Cordaites, 12 Dictyo-cordaites, 13 Lycopodites, 21 Sigillaria, 33 Sphenopteris, 35 lacunosa, Microzygia, 23 lanceolata, Calamostachys, 7 Macrostachya, 22 Pecopteris, 28 lanceolatum, Lepidodendron, 19 late-alatus, Cardiocarpon, 9 late-costatus, Rhabdocarpos, 31 latifolia, Archaeopteris, 4 Rhacopteris, 31 latifolium, Taeniophyllum, 38 latifolius, Sphenothallus, 36 latilobata, Triphyllopteris, 39 latior, Carpolithes, 10 Cardiocarpon, 9 latus, Lepidostrobus, 20 laurencianum, Sigillaria, 33 lemoni, Calcisphaera, 7 Trochiliscus, 40 leptoderma, Sigillaria, 33 lescuriana, Cyclopteris, 12 Triphyllopteris, 39, 40 lescurianum, Sphenophyllum, 34 lesquereuxi, Pecopteris, 28 Taeniocrada, 38 leveretti, Sigillaria, 33 lincolniana, Eremopteris, 15 lindahli, Neuropteris, 24 lineare, Ptilophyton, 30 linearifolia, Supaia, 37 linearifolium, Lepidophyllum, 20 linearifolius, Cantheliophorus, 8 lineata, Glenopteris, 16 lineatus, Cordaicarpon, 11 Haliserites, 17 Lepidocystis, 18 lirata, Kalymma, 17 lobata, Mariopteris, 22 lobifolia, Sphenopteris, 35 lonchitica, Alethopteris, 2 longi, Samaropsis, 32 longibracteatus, Cordaianthus, 11 longicollis, Cardiocarpon, 9 longifolia, Annularia, 3 longifolius, Asterophyllites, 5 lunata, Neuropteris, 24 lyratifolia, Callipteris, 7 Pecopteris, 28 maccabei, Parasporites, 27 macilenta, Archaeopteris, 4 Pseudopecopteris, 30 Sphenopteris, 35 macrophyllus, Danaeites, 13 majus, Sphenophyllum, 34 mamillaris, Sigillaria, 33 mamillatus, Rhabdocarpos, 31 mansfieldi, Callipteridium, 7 Caulopteris, 10 Cordaicarpon, 11 50 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY man sfie ldi—C ontinued Cordaites, 12 Halonia, 17 Lepidophyllum, 20 Rhabdocarpos, 31 marginata, Megalopteris, 23 Sigillaria, 33 marginatum, Lepidodendron, 19 maximus, Dictyotites, 13 mazoniana, Pseudopecopteris, 30 membranaceum, Callipteridium, 7 Rhacophyllum, 31 menae, Calamites, 6 mendenhalli, Diplothmema, 14 meridionale, Dadoxylon, 12 merriami, Supaia, 37 microcarpa, Sphenopteris, 36 microphylla, Diplothmema, 14 Eremopteris, 15 Guycampbellia, 16 Lesleya, 21 Whittleseya, 41 microphyllum, Protolepidodendron, 29 microstigma, Stemmatopteris, 37 milleri, Palaeophycus, 27 miltoni, Pecopteris, 28 mimica, Stemmatopteris, 37 minasica, Arberia, 4 minima, Adiantites, 1 minimus, Carpolithes, 10 minor, Archaeopteris, 4 Diplothmema, 14 Macrostachya, 22 Scolecopteris, 33 minuta Annularia, 3 Amoldella, 5 minutum, Lepidophyllum, 20 mirabilis, Polysporia, 29 miseri, Calamites, 6 mississippiana, Sphenopteris, 36 missouriense, Lepidophyllum, 20 missouriensis, Eremopteris, 15 Lepidocystis, 18 Lepidostrobus, 20, 21 Neuropteris, 25 Oligocarpia, 26 Sphenopteris, 36 Taeniopteris, 38 mixta, Sphenopteris, 36 molle, Rhacophyllum, 31 mollis, Hymenophyllites, 17 monostigma, Sigillaria, 33 monstruosa, Odontopteris, 26 moorei, Bowmanites, 5 Dichophyllum, 13 moori, Lescuropteris, 21 moravica, Rhodea, 32 moreiranum, Cardiocarpon, 9 morrisianum, Lepidophyllum, 20 morrowensis, Diplothmema, 14 muelleriana, Phyllotheca, 28 multistriatus, Rhabdocarpos, 31 mummi, Schizopodium, 32 muralis, Sigillaria, 33 muratum, Stenomyelon, 37 muricata, Mariopteris, 22 musata, Biscalitheca, 5 neffi, Eremopteris, 15 neuropteroides, Callipteridium, 7 Odontopteris, 26 newberriana, Taeniopteris, 38 newberryi, Odontopteris, 26 newlini, Buthotrephis, 6 novalbaniense, Lepidodendron, 19 nummularia, Pseudopecopteris, 30 nummularium, Dadoxylon, 12 oblongifolia, Neuropteris, 25 oblongifolium, Sphenophyllum, 34 obovata, Gangamopteris, 15 Sphenopteris, 36 obovatum, Lepidodendron, 19 obsoleta, Pecopteris, 28 obtusa, Archaeopteris, 4 obtusiloba, Diplothmema, 14 Pseudopecopteris, 30 Sphenopteris, 36 obtusum, Cardiocarpon, 9 obtusus, Lepidocystis, 18 occidentale, Lepidodendron, 19 occidentalis, Equisetites, 14 Glossopteris, 16 Mariopteris, 22 Lepidostrobus, 20 Palaeophycus, 27 oklahomense, Litostroma, 21 oliveiranum, Cardiocarpon, 9 oliverirai, Zeilleria, 41 ophioglossioides, Sorocladus, 34 Sphenopteris, 36 orbiculatum, Tyliosperma, 40 oregonensis, Pecopteris, 28 ornata, Pecopteris, 28 ortoni, Prototaxites, 29 osmundaeformis, Odontopteris, 26 ovalis, Asterophyllites, 5 Calamostachys, 7 Cardiocarpon, 9 Ottokaria, 26 Sigillaria, 33 ovaloidum, Cardiocarpon, 9 ovata, Neuropteris, 25 Rhacopteris, 31 ovatus, Cordaicarpon, 11 Cordaianthus, 11 Monoletes, 23 oviformis, Sclerocelyphus, 33 pachyderma, Odontopteris, 26 pachytesta, Cardiocarpon, 9 Rhabdocarpos, 31 paddocki, Mariopteris, 22 NUMBER 5 51 palmata, Buthotrephis, 6 Taeniocrada, 38 papilionacea, Odontopteris, 26 paranaensis, Pecopteris, 28 parasica, Sphenopteris, 36 parksi, Aphlebia, 3 parvafolia, Lebachia, 18 patens, Cardiocarpon, 9 Odontopteris, 26 patentissima, Diplothmema, 14 Sphenopteris, 36 pateraeformis, Daubreeia, 13 paulinensis, Phyllotheca, 28 pectinatus, Lepidocystis, 18 pedrasica, Pecopteris, 28 pedroanum, Lepidodendron, 19 pendulata, Acrangiophyllum, 1 peniculus, Lepidostrobus, 20 pennaeformis, Pecopteris, 28 pennsylvanica, Dolerophyllum, 14 Doleropteris, 14 Girtya, 16 permiensis, Rivularites, 32 perpusillus, Carpolithes, 10 Trigonocarpus, 39 perriana, Barrandeina, 5 perrianum, Barinophyton, 5 peruianus, Adiantites, 1 peruvianum, Lepidodendron, 19 phillipsi, Cardiocarpon, 9 Mariopteris, 22 piniformis, Walchia, 40, 41 pinnata, Rhachiopteris, 31 pinnatifida, Sphenopteris, 36 pittstoniana, Sigillaria, 33 planus, Sporocystis, 36 plicata, Sphenopteris, 36 pluckneti, Pseudopecopteris, 30 plumaria, Plumalina, 29 plumosa, Pecopteris, 28 plumula, Chaetocladus, 10 pocahontas, Neuropteris, 25 polita, Stemmatopteris, 37 polymorphus, Aneimites, 3 polyupsilon, Pietzshia, 29 pottsvillea, Mariopteris, 22 pottsvillensis, Aneimites, 3 praecursor, Palaeotaxites, 27 praelonga, Volkmannia, 40 praelongus, Lepidostrobus, 20 prima, Chaetomorpha, 10 princeps, Lepidostrobus, 20 Psilophyton, 30 problematica, Brittsia, 6 prolifer, Conostichus, 11 proliferum, Cryptozoon, 12 pseudopecopteris, Aneimites, 3 pseudovestita, Pecopteris, 28 pudica, Diplothmema, 14 pudicus, Rusophycus, 32 pugiatus, Cantheliophorus, 8 purduei, Lepidodendron, 19 pusillus, Cardiocarpon, 9 pygmaea, Mariopteris, 22 pygmaeoides, Diplothmema, 14 quadrangularis, Sigillariostrobus, 34 quadratifolia, Pecopteris, 28 radiata, Bomia, 5 radiatus, Cordaites, 12 ramifer, Calamites, 6 ramosus, Calamites, 6 rarinervis, Neuropteris, 25 Triphyllopteris, 40 raymondi, Callipteris, 8 readi, Crocalophyton, 12 Padgettia, 26 rectostriata, Sigillaria, 33 recurva, Dimeripteris, 13 reichiana, Odontopteris, 26 reniformis, Diplothmema, 14 resinosa, Kalymma, 17 resupinata, Pecopteris, 28 rhombicum, Leptophloem, 21 richardsoni, Barinophyton, 5 Pecopteris, 28 rigida, Supaia, 37 rigidum, Callipteridium, 7 Dicranophyllum, 13 Lepidodendron, 19 rimosum, Lepidodendron, 19 robbi, Cordaites, 12 robusta, Alethopteris, 2 Pecopteris, 28 rockymontanus, Adiantites, 1 rogersi, Archaeopteris, 4 Neuropteris, 25 rotundifolius, Idiophyllum, 17 royi, Sphenopteris, 36 rugosum, Alethopteris, 2 Cardiocarpon, 9 rugosus, Cordaianthus, 11 Triletes, 39 russelli, Rhabdocarpos, 31 Stigmaria, 37 sagittatum, Lepidophyllum, 20 sagittatus, Sorocladus, 34 salisburyi, Lepidostrobus, 21 santae-crucis, Steloxylon, 37 scandens, Tubicaulis, 40 scheuchzeri, Neuropteris, 25 schimperiana, Sphenopteris, 36 schultzianus, Trigonocarpus, 39 scobiniforme, Lepidodendron, 19 scobiniformis, Lepidodendron, 19 Lepidodendropsis, 19 scotti, Siderella, 33 scutatum, Lepidodendron, 19 secalicus, Rhabdocarpos, 31 seixasi, Cardiocarpon, 9 seriata, Lacoea, 18 52 SMITHSONIAN CONTRIBUTIONS TO PALEOBIOLOGY serli, Alethopteris, 2 serpens, Cordaites, 12 serpillifolia, Pecopteris, 28 serrata, Megalop tens, 23 serrulata, Pecopteris, 28 setchelli, Stenokoleos, 37 sigillariae, Rhizomorpha, 32 sigillarioides, Lepidodendropsis, 19 Lepidophloios, 20 Sigillaria, 33 sillimanni, Pseudopecopteris, 30 simplex, Asterophycus, 5 Gordaianthus, 11 Glenopteris, 16 Lycopodites, 21 Palaeophycus, 27 Stenokoleos, 37 sinuatum, Callipteridium, 7 smithi, Neuropteris, 25 solida, Eremopteris, 15 Sphenopteris, 36 southwelli, Megalopteris, 23 spatulata, Noeggerathia, 25 speciosa, Pseudopecopteris, 30 speciosus, Cardiocarpon, 9 spectabilis, Adiantites, 12 Diplothmema, 14 Lepidostrobus, 21 sphenophyllifolia, Archaeopteris, 4 sphenophylloides, Annularia, 3 sphenopteroides, Mariopteris, 23 Odontopteris, 26 spicatus, Cordaianthus, 11 spinosum, Rhacophyllum, 31 splendens, Glenopteris, 16 squamosa, Pecopteris, 28 Rachiopteris, 30 Stemmatopteris, 37 stanleyanus, Adiantites, 2 stanleyensis, Archaeocalamites, 4 stantoni, Lepidophyllum, 20 starkianus, Trigonocarpus, 39 stellata, Annularia, 3 sternbergi, Lepidodendron, 19 stocki, Lycopodites, 21 striata, Dechenia, 13 striatus, Cylindrites, 12 Palaeophycus, 27 stricta, Walchia, 41 strigosa, Eremopteris, 15 strongi, Hymenophyllites, 17 Rhacophyllum, 31 sturdevanti, Supaia, 37 subangulatus, Rusophycus, 32 subcirculare, Cardiocarpon, 9 subclypeatum, Lepidodendron, 19 subcuneata, Odontopteris, 26 subdecipiens, Diplothmema, 14 subelegans, Eremopteris, 15 subgeniculata, Palmatopteris, 27 subglobosus, Rhabdocarpos, 31 subgoepperti, Supaia, 37 subgoldenbergi, Aphlebia, 3 subnodosa, Buthotrephis, 6 subpetiolata, Rhodea, 32 subulatus, Cantheliophorus, 8 succulens, Buthotrephis, 6 suckowi, Calamites, 6 sullivanti, Callipteridium, 7 superbus, Triletes, 39 suspecta, Sigillaria, 33 Sphenopteris, 36 Wardia, 41 suspectum, Sphenophyllum, 34 taffi, Sphenopteris, 36 tenax, Rhabdocarpos, 31 tenerrimum, Sphenophyllum, 34 tennesseeana, Mariopteris, 23 Neuropteris, 25 tenue, Brachyphyllum, 6 Sphenophyllum, 34 tenuifolia, Neuropteris, 25 tenuifolius, Aneimites, 3 tenuis, Rhodea, 32 thalliforme, Rhacophyllum, 31 thalliformis, Hymenophyllites, 17 thinnfeldioides, Supaia, 38 tionestana, Rhodea, 32 titan, Clepsydropsis, 10 tortuosa, Halonia, 17 Palaeophycus, 27 tracyana, Sphenopteris, 36 transsectus, Carpolithes, 10 trappensis, Eremopteris, 15 triangulatus, Triletes, 39 trichoideum, Rhacophyllum, 31 trichomanoides, Neuropteris, 25 Schizopteris, 32 tridactylites, Sphenopteris, 36 tridactylus, Ichnophycus, 17 trifoliolata, Diplothmema, 14 truncata, Taeniopteris, 38 truncatum, Lepidophyllum, 20 Rhacophyllum, 31 truncatus, Lepidostrobus, 21 tuberculata, Annularia, 3 tuberosum, Phytopsis, 29 tumidum, Lepidophyllum, 20 umbralis, Archaeocalamites, 4 undulata, Whittleseya, 41 ungeri, Adiantites, 2 ursina, Pseudobornia, 29 vallisjohnni, Trigonocarpus, 39 vandergrachti, Lepidodendropsis, 19 van ingeni, Lepidophloios, 20 Sphenopteris, 36 venuxemi, Lycopodites, 22 variabilis, Lepidostrobus, 21 varius, Cystosporites, 12 veltheimianum, Lepidodendron, 19 NUMBER 5 53 vesicularis, Lepidocystis, 18 vespertina, Rhodea, 32 vestita, Pecopteris, 28 virginiana, Aneimites, 3 Cyclopteris, 12 virginianum, Sphenopteridium, 35 voltzi, Sigillaria, 33 wardiana, Sphenopteris, 36 weberensis, Lepidostrobus, 21 wedingtonense, Lepidodendron, 19 wedingtonensis, Archaeocalamites, 4 Stigmaria, 37 whitei, TrichopitySj 39 williamsi, Sigillaria, 34 winslovi, Alloiopteris, 2 yakiensis, Brongniartites, 6 yohoense, Lepidodendron, 19 zonulatus, Cardiocarpon, 9 U.S. GOVERNMENT PRINTING OFFICE: 1970 O—378-770 Publication in Smithsonian Contributions to Paleobiology Manuscripts for serial publications are accepted by the Smithsonian Institution Press, subject to substantive review, only through departments of the various Smithsonian museums. 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Taxonomic titles will carry a final line indicating the higher categories to which the taxon is referable: “(Ammonoides: Goniatitidae).” Include an abstract as an introductory part of the text. Identify the author on the first page of text with an unnumbered footnote that includes his professional mailing address. A table of contents is optional. An index, if required, may be supplied by the author when he returns page proof. Two headings are used: (1) text heads (boldface in print) for major sections and chapters and (2) paragraph sideheads (caps and small caps in print) for subdivisions. Further headings may be worked out with the editor. In taxonomic keys, number only the first item of each couplet; if there is only one couplet, omit the number. For easy reference, number also the taxa and their corresponding headings throughout the text; do not incorporate page references in the key. In synonymy, use the short form (taxon, author, date, page) with a full reference at the end of the paper under “Literature Cited.” Begin each taxon at the left margin with subsequent lines indented about three spaces. Within a taxon, use a period-dash (.—) to separate each reference. Enclose with square brackets any annotation in or at the end of the taxon. For references within the text, use the author-date system: “(Jones, 1910)” or “Jones (1910).” If the reference is expanded, abbreviate the data: “Jones (1910, p. 122, pi. 20: fig. 1).” Simple tabulations in the text (e.g., columns of data) may carry headings or not, but they should not contain rules. Formal tables must be submitted as pages separate from the text, and each table, no matter how large, should be pasted up as a single sheet of copy. For measurements and weights, use the metric system instead of (or in addition to) the English system. Illustrations (line drawings, maps, photographs, shaded drawings) can be intermixed throughout the printed text. They will be termed Figures and should be numbered consecutively; however, if a group of figures is treated as a single figure, the individual components should be indicated by lowercase italic letters on the illustration, in the legend, and in text references: “Figure 96.” If illustrations (usually tone photographs) are printed separately from the text as full pages on a different stock of paper, they will be termed Plates, and individual components should be lettered (Plate 96) but may be numbered (Plate 9: figure 2). Never combine the numbering system of text illustrations with that of plate illustrations. Submit all legends on pages separate from the text and not attached to the artwork. In the bibliography (usually called “Literature Cited”), spell out book, journal, and article titles, using initial caps with all words except minor terms such as “and, of, the.” (For capitaliza¬ tion of titles in foreign languages, follow the national practice of each language.) Underscore (for italics) book and journal titles. Use the colon-parentheses system for volume, number, and page citations: “10(2) :5-9.” Spell out such words as “figures” and “plates” (or “pages” when used alone). For free copies of his own paper, a Smithsonian author should indicate his requirements on “Form 36” (submitted to the Press with the manuscript). A non-Smithsonian author will receive 50 free copies; order forms for quantities above this amount with instructions for payment will be supplied when page proof is forwarded.