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RE hae Lay, eS pra : Ss EMP niatinn! OR eae es ; ; P +¢, Poe ‘ de - ——— "Established by BENJ AMIN | SILLIMAN in 1818. | =k VIB OS | : THE @ 2 <9 JOURNAL OF SCLENCE. Epiror: EDWARD 8. DANA. ASSOCIATE EDITORS " Proressons GHORG 46 rOODALE, JOHN TROWBRIDGE, AND WM. a DAVIS, oF CAMBRIDGE, : p hes A. Ba V- ERRILL, HORACE bl. WELLS, CHARLES SCHUCHERT, iH) GREGORY any LORACH Sta UHLER, or New HAVEN, ‘De 3 oe : PROFESSOR JOSEPH S. AMES, or BapriMonD, | Mr, JS S. DILLER, or Was FOURTH SE | VOL. L—[WHOLE NUMBE | INDEX TO VOLUMES XLI-L. ; NEW HAVEN, CONNECTICUT. : JANUARY, 1921. | . ss ri® TUTTLE, “MOREHOUSE & TAYLOR CO., PRINTERS, 128 TEMPLE STROET. “ite Index oe two dollars per copy. Sent only to those ordering it, oe Gre N Beak A LT INeD xX OF VOLUMES XLEL OF THE FOURTH SERIES (= In the references, heavy=faced type is used for the numbers of the volumes. Note.—The names of minerals are inserted under the head of MINERALS; all obituary notices are referred to under OBITUARY. Under the heads BoTANY and BoTAN. Works, CHEMISTRY and CHEM. WorkKS, GEOLOGY, Rocks, ZOOLOGY, the references to the topics in these departments are grouped together ; in many cases the same references appear also elsewhere. _ Initial capitals are in general used for the titles of books noticed. A ' Abajo Mts., Utah, 48,370: Abo Sandstone, New Mexico, Bose, AG, SI. Academies, National, Hale, 41, 225. Academy of Sciences, French, 45, 242. — National, Meeting at Baltimore, holo, 46,772; Boston, 10916, "42; 506; New Haven, 1919, 48, 402, 478; Philadelphia, 1917, 44, 487; Princeton, 1920, 50, 473; Wash- ington, 1916, 41, 469; 1917, 43, 495; 1918, 45, 479; I919, 47, 308, 451; 1920, 49, 387, 453. Accelerations, direct tion, Galitzin, 48, 304. Accumulator, lead, Féry, 42, 300. Achromatoscope, Williams, AI, IOI. Acoustics, lecture experiments, Kayser, 49, 446. Adelie Land, metamorphic rocks, Stillwell, 47, 388. Adirondack Pre-Cambrian, Alling, 48, 47. Aeronautics, 48, 240. Agar, W. E., Cytology, 50, 77. Agelacrinitid, from the Chazy of New York, Clark, 50, 69. Air Propeller, Bedell, 49, 216. geology, Thorpe, determina- — thermal -conductivity, Hercus aaa Laby, 47,290. Airplane Characteristics, Bedell, 46, 601. Alabama, Cretaceous Hymenza from, Berry 47, 65. — geol. survey, 44, 158. .—Pribilof Alaska, Paleozoic glaciation, Kirk, 46, SII. Is., geological Hanna, 48, 216. Alberta, geology, Stewart, 49, 83. Alcock, F. J., Athabaska Series, 50, notes, 25. Alcohol, Flint, 48, 247. Alexander, J., Colloidal Chemistry, 48, 160. Alexander, P. F., Northwest and Northeast Passages, 41, 471. Alexander, W. B., Prickly Pear, 48, 475. Alge, Pre-Cambrian, hofel, 48, 330. Allan, J. A., titaniferous augite, 43, etc., Twen- 75. Allegheny Observatory. See Ob- servatory. Allen, E. T., composition of bor- nite, 41, 409; determination of dissociation pressures of sul- phides, 43, 175. Allen’s Commercial Organic Analy- sis, Davis, 44, 400. Alling, H. L., Adirondack graphite deposits, 47, 145; Adirondack Pre-Cambrian, 48, 47. Alpha particles, retardation by metals, Vennes, 44, 69. from thorium, Rutherford, 41, 50601. Alsace, potash from, Kestner, 47, 68. 480 : Aluminum, absorption of X-rays, Williams, 46, 766. Amber, Burmese, insects in, Cock- erell, 42, 135. American Journal of Science, 1818- TO18; Danas Ao. American Year Book, 1916, Wick- ware, 43, 496. Ammonoids, Bose, 49, 51. Ampére molecular currents, stein and de Haas, 41, 558. Ein- Anatomy, Mammalian, Davison, 45, | 151. Anderson, W. P., Physics, 47, 220. Anderson Esker, Reeves, 50, 65. Andes of Southern Peru, Bowman, 43, 410. Andrews, E. C., coral reefs in the Fiji Islands, 41, 135; geological history of Australian flowering plants, 42). 174 ;*) errata; 43,174, 339. Andros, S. O., Petroleum Hand- book, 49, 214. Animal Life, Thomson, 49, 220. — Light, Harvey, 50, 474. — Mind, Washburn, 45, 240. — movements, etc., Loeb, 47, 81. — See Zoology. Antarctic Expedition, Brachiopoda, Thomson, 48, 397. Appalachian, Piedmont Barrell, 49, 227, 327, 407. Arber, A., atavism and law of ir- reversibility, 48, 27. Arc lamp, cadmium vapor, Bates, terraces, 49, 378. : Archbold, M. J., Practical Electric- ity, 43, 240. Arctic Expedition, 1898-1902, 50, 160; Holtedahl, 45, 333. — paleogeography, Holtedahl, 49, 1 30G8 = Seas; 7 states. oF schneider, 43, 492. Arctowski, H., pleionian cycle of climatic fluctuations, 42, 27; mean annual temperature variation, 43, 402. Arisaig series, Silurian, Scotia, McLearn, 45, 120. Arithmetic, Klapper, 43, 333. Arizona, Colorado Grand Canyon, fossil footprints, Lull, 45, 337. — — Carboniferous, Schuchert, 45, 347; Catabriamepcnuchert, 45, 362. — watering places, Bryan, 50, 188. Norwegian, geol., report, ice,’ Speen Nova GENERAL INDEX. [2 Arkansas, Morrow group, Mather, 41, 375. — etc., Pottsville formations and faunas, Mather, 43, 133. Arldt, T., Paleogeography, 50, 238. Armitage, F. P., Chemistry, 45, 471. Arnold, J. L., Physics, 42, 436. Artiodactyls, Troxell, 49, 391; new Hertiary:; Tull so.sa Ashley, R. H., Chemical Calcula- tions, 47, 430. Association, American, meeting at Baltimore, 1918, 47, 147; New York, 1016, 42; 507;-"Pittsounem ao ae St. Louis, 1919, 49, Astronomical Society, vol. II, az, 381; vol. T1L1, 46; 76Reee Astronomy, Moulton, 43, Young, 46, 542; 47, 386. Atavism, etc., Arber, 48, 27. Athabaska Series, Alcock, 50, 25. Atmosphere, Gases of, Ramsay, 41, 557- Atomic number and spectral series, Bell 47, 227. 170; _— Weights, see CHEMISTRY. Atoms, see CHEMISTRY. Auditory sense, Marage, 42, 435. Audubon, the Naturalist, Herrick, 45, 150. Aurén, T. E., absorption of X-rays, 48, 72. Australia, dyscrasite from, 49, 278; Great: Barrier Reef, Davis, 44, 330; marine fiber, =49)).an0, Prickly Pear, Alexander, 48, 475; Triassic insects, 47, 3073. Australian flowering plants, geo- logical history, Andrews, 42, 171; 43, 174, 339. Autoclaving, Krauss, 44, 331. Aviation, Carmina, 48, 473. Azeotropism, Lecat, 49, 217. B Bacteriology, Agricultural, Conn, - 45, 424. Bailey, E. H. S., Qualitative Anal- ysis, 43, 167; Sanitary and Ap- plied Chemistry, 44, 78. Bailey, W. S., Mineralogy, 44, 486. Baker, C. L., stratigraphy of East- ern New Mexico, 49, 99. Baltic Provinces, geology of, 42, 437. 3 Bancroft, G. R., esters from substi- tuted aliphatic alcohols, 44, 271. Barbour, E. H., Ligamentum teres in Nebraska Proboscidea, 41, 251; new mastodon from Nebraska, 41, 522; alkali resources of Ne- braska, 43, 491; Nebraska pumi- cite, 44, 83. Barker, E. H., Trigonometry, 45, ZS. Barnett, E. DeB., Preparation of Organic Compounds, 49, 300. Barrell, J., geologic past of Central Connecticut, 41, 148; growth of knowledge of earth structure, 46, ne3° 4 mature “atrd bearings of isostasy, 48, 281; status of theory of isostasy, 48, 291; Piedmont terraces of the Northern Appa- lachians, 49, 227, 327, 407. — obituary notice, Schuchert; 48, eae Bartlett, H. H., coniferous woods of the Potomac formation, 41, 276. Barton, E. H., Mechanics of Fluids, 41, 146. - Barus, C., interference of reversed spectra, 4I, 414; rotation of in- terference fringes, 42, 63; trum interferometry, 42, 402; 43, nas. Bascom, F., correction of rock analysis, 41, 300. Bassler, H., Cycadophyte from North American Coal Measures, AQ BT... Bassler, R. S., Index of Ordovician and Silurian Fossils, 41, ssCambriam, -and Ordovician, Maryland, 50, 237. Bean, fossil sea, Venezuela, Berry, 50, 310. Bechhold, H., Colloids in Biology, 48, 248. Becker, G. F., obituary notice, Day, 48, 242. Bedell, F., Airplane Characteristics, 46, 6901; Air Propeller, 49, 216. Beecher’s bites, Raymond, 43, 106. Beekeeping, Phillips, 41, 151. Beetles, fossil, Illinois, Wickham, 137; Florida, Wickham, 47, = of ~ Benson, W. N., origin of serpen- | tine, 46, 693. Berea formation of Ohio, Verwiebe, 42, 43. Cre: VOLUMES XLI-L. spec- ; 148; | classification of trilo-| 481 Berger, W. R., Hogshooter gas sand, 48, 180. Berry, E. W., palm from New Jer- sey Cretaceous, 41, 193; Upper Cretaceous floras, 42, 81; fossil nitmes rom’ Texas) '42,) 241; middle Eocene members of the Sea-Drift, 43, 2908; sail fish from the Virginia Miocene, 43, 461; obitiamy notice of W..B. .Clark, 44, 247; fossil- plants from Bo- livia, 45, 78; restoration of Neo- calamites, 45, 445; Cretaceous Hymenza, from Alabama, 47, 65; age of Brandon lignite and flora, 47, 211; present tendencies in paleontology, 48, 1; evolution of plants and animals, 49, 207; lower Cretaceous of Maryland, 50, 48; floras, upper Cretaceous of Tennessee, etc., 50, 240; fossil sea bean from Venezuela, 50, 310; age of Dakota flora, 50, 387. Best, H., The Blind, 48, 248. Beta-rays from radium, 41, 145. Beverages and Adulterations, Wiley, 47, 297. Binary, system akermanite-gehlen- ite, Ferguson and Buddington, 50; 13%: Biology, Gruenberg, 48, 477; 49, A. — Animal, Holmes, 47, 309; Shull, Larue and Ruthven, 50, 76. — Civic, Hodge and Dawson, 47, 230. — Colloids in, Bullowa, 48, 248. Birds of North America, Ridgway, 42. 86; 48, 402. |Bishop Museum, Hawaii, Memoirs, 49, 156. |Black Hills, bibliography of geol- ogy, etc., O’Harra, 44, 158. Blackwelder, E., geologic role of phosphorus, 42, 285. Blake, G. R., perchlorate method for determination of alkali metals, 44, 381. | Blake, J. M., plotting crystal zones on paper, 42, 486; plotting crystal Zonecm om. tie - sphere, este 237, crystal drawing and modeling, 43, 397; solving crystal problems, 460571. — obituary notice, 50, 316. Blaney, D., Pleistocene locality on Mt. Desert Island, 42, 390. Blichfeldt, H. F., Finite Collinea- tion Groups, 43, 487. 482 GENERAL INDEX. [4 Blind, Social Survey of, Best, 48,| BOTANY AND BOT. WORKS. 248. Block Island, Miocene bowlders, | 41, 255. Boltwood, B. B., relative activity of radium and uranium, 50, I. Bone, W. A., Coal, 47, 135. Book Rewien Index, Technical, 409, 2206. Bose, E., ammonoids from New Mexico, 49, 20. Boston basin, fossil shells in bowlder clay, Morse, 49, 157. Oil Fields, 49, 450. Agricultural Bacteriology, Conn, RASRAeH he. s Australia, Prickly ander, 48, 475. Australian flowering plants, geol- ogy, Andrews, 42, 171; 43, 174: 339. Botanical Abstracts, 47, 82. Pear, — research in eat Britain dur-- ing the war, Bower, 47, 117. Bormann Densmore, 50, 78; Crop ‘Plants; Robbins, 45, 242; development since 1818, Good- aig aGasoo: Fossil, Gupaysaa ‘Bowie, W., Bosworth, T. O., Mid-Continent. Bowman, I., BOTANY AND BOT. WORKS. Alex- of. — geology, Branner, 41, Prickly Pear in Australia, Alex- ander, 48, 475. Soil. Conditions {Sand Growth, Russell, 44, 423. See also GEOLOGY. Bowen, N. L., sodium-potassium nephelites, 43, 115; birefringence of torbernite, 48, 195; cacoclasite, Wakefield, Quebec, 48, 440. Bower, F. O., botanical research during the war, 47, I17. gravity and isostasy. 43, 249; distribution of isostatic compensation, 43, 471. Andes of Southern Peru, 43, 416. Bradley, W. M., hydrozincite, 42, 59; margarosanite, 42, 159. Brandon lignite, age, Berry, 47, 211. Branner, J. C., Geolosy of Beaca Ai 302; AO, a5 Branson, E. B., Geology of Mis- souri, 47, 78; seologic section in Missouri, 49, 267. Brazil, favas from, Farrington, 41, 355: Plant 302; 49, - I5I. Bridgman, P. W., failure of cavities in crystals and rocks under pres- stress-strain rela- 372; Fundamentals, Gager, 44,, SUT, 45, 243; SI 8s: General, Gager, 44, gs: tions in crystalline cylinders, 45, Problems in, Eikenberry, 50,'_ 269. be A 78. | British Columbia, Cyprinid fish Cactaceze, Britton and Rose, 49, Beet the Miocene, Hussakof, 42, Care Gros and Bevan British Museum of Natural His- a0 3 7) tory catalogues, 42, 87; publica- Crop Production, Higher, Rus- oe 44, 160, 408; 49, 368; 50, sell, 44, 86. A Britton, N. L., Cactacez, 49, 222. Cyperacee, studies, Holm, no.| Broderick, T. M., organic remains XXVIT, 48, 17; XXVIII, 49.) in iron-bearing Huronian rocks 195; XXIX, 49, 420. in Minnesota, 48, 190. Horticulture, Manual, Hood, 41,/ Brooklyn Institute, bulletin, 42, 381. 87; 43, 342. Plant Anatomy, Stevens, 42, 284;| Brown, G. V., selensulphur from Culture, Goff, 42, 284; Genetics, Hawaii, ae 132. Coulter, 47, 239; Histology,| Brown, J. C., History of Chemistry, Chamberlain, 41, 380; Pathol-| 50 463. ogy, Harshberger, 45, 335;| Brown, W. G., apparatus for deter- Products, Chemistry, Haas and mining freezing-point lowering, Hill, 45, 242. 43, 110; tri-iedide and) ire Plants, Anatomy of Woody, Jef- bromide equilibria, 44, 105; frey, 45, 152. ionization of cadmium iodide see GEOLOGY. Read and — fossil, Posidonia australis, Smith, 49, 310. solutions, 44, 453. Browning, P. E., gallium-indium alloy, 41, 351; detection and sep- 5 aration of tellurium, arsenic, etc., 42, 106; separation of cesium, etc., 42, 279; electrolysis, etc., of gallium, 42, 389; separation of gallium, 44, 221; detection of germanium, 44, 313; separation of germanium, 46, 663. Bryan, K., rock tanks and charcos, 50, 188. Buchanan, J. Y., Observation and Reasoning, 47, 1390; Oceanog- raphy, etc.,:49, 217. Bucher, W. H., ripples and related sedimentary surface forms, 47, 149, 241. Buckman, S. S., Brachiopoda of Hiema, 50, 74. . Buddington, A. F., binary system, akermanite-gehlenite, 50, 131. Bullowa, J. G. M., Colloids in Biol- ogy, 48, 248. Bureau of Mines, see Mines. Burling, L. D., Albertella fauna, 42, 469; Protichnites and Climac- tichnites, 44, 387. Burlington limestone, origin of Guemi, larry, 455 140. Burton, E. F., Physical Properties | of Colloidal Solutions, 42, 70. Butler salt dome, Powers, 49, 120. Butts, C., geologic section of Penn- sylvania, 46, 523. Cc Cadmium vapor arc lamp, Bates, 49, 378. Cady, H. P., Qualitative Analysis, 43, 167; Chemistry, 43, 247. Cesium chloride, double Jamieson, 43, 67. Calcite group, crystal structures, Wyckoff, 50, 317. Calcium carbonate, various forms of, Johnston, Merwin and Wil- liamson, 41, 473. — phosphate in meteoric stones, Merrill, 43, 322. — see CHEMISTRY. ! California, Tejon Eocene, Dicker- son, 42, 8o. Calorimeter, new form, MacInnes and Braham, 45, 72. Calorimetry, see Heat. Cambrian, see GEOLOGY. Camel, Oligocene, Troxell, 43, 381. salts, VOLUMES XLI-L. 433 Canada, Dept. of Mines, see Mines. — geol. survey, see Geological Re- ports. Cape Town, calcium dome, Maury, 44, 360. Carmina, B. F., Aviation, 48, 473. Carnegie Foundation, annual re- ports, tenth, 42, 88; eleventh, 44, 407; twelfth, 45, 483; thirteenth, 48, 400; fourteenth, 49, 386; Bul- carbonate letintsye mon &, 142. SS. 110, *O) 42, LOO On tO, 44, AO7>) Noe 11; 46; 77 2eOn 12, AT, O33) NOW mS, 48, AOO. ST eport Off Preparation OL teachers, 50,, 171. Carnegie Institution of Washing- ton, publications, 41, 305; 42, 508; 43, 341; 44, 408; 45, 483; 47, 80, 83; 48, 163, 401; 49, 224, 387; 50, 473. > — Year Book, no: 14; 1015, 41, 377; MO. 15, 1906, 43, 340; no. -16, IOUZMAR eos, MO.) 17, TO1S, (47, 450; no. 18, 1919, 49, 454. Carnotite, 41, 214. 3 Carrizo Mountain, Arizona, igneous geology, Emery, 42, 340. Carroll, R. S., Mastery of Nervous- ness, 45, 241. Case, E. C., Permo-Carboniferous red beds of No. America, 41, 210; amphibian fauna at Linton, Ohio, 44, 124; Stylemys nebracensis, 47, 435. Catalysis, Jobling, 41, 368. Cavities in crystals and _ rocks, under pressure, Bridgman, 45, 243. Cellulose, Cross and Bevan, 47, 239. Century of Science, 1818-1918, 46, I ét seq. Ceramic Society, Journal, 46, 610. Chamberlain, C. J.,. Plant Histol- ogy, 41, 380; Living Cycads, 47, A449. Chamberlain, J. S., Organic Agri- cultural Chemistry, 42, 165. Chamberlin, T. C., Origin of the Earth, 42, 167, 371; mathematics of isostasy, 49, 311. Chandler, C. F., Reminiscences, 43, 245. Charnockite series of igneous rocks, Washington, 41, 323. Chemical Society, Amer., Priestley Memorial, 44, 332. 484 CHEMICAL WORKS. Allen’s Commercial Analysis, 44, 400. Analysis, Qualitative, Bailey and Cady, 48s. 1075.) Fay, 475: 225, Test and McLaughlin, 48, 469. ——| Quantitative, Gooch, 41, 204% Mahin, 47, 440; Smith, 48, 468. — Volumetric, Knecht and Hib- bert, 47, 2206. Catalysis and Applications, Job- ling, 41, 368. Organic Catalytic Hydrogenation, Max- ted) 47, 441, Chemical Analysis, Rockwood, 4l, 144. — Zz of Rocks, Washington, 48, 161. — — Qualitative, Scott, 48, 7o. — — of Special Steels, Johnson, 47, 207. — eaqcueuen Tables, Wells, 48, 161. — Calculations, Ashley, 47, 4309. — Combinations among Metals, Giua and Robinson, 46, 680. — French, Dolt, 50, 463. — Physiology, Cramer, 46, 540. — Reactions, Falk, 50, 464. Chemie, Histoire, Delacre, 49, 443. Chemistry, Agricultural, Cham- berlain, 42, 165; Fraps, 44, 150; Hedges and Bryant, 44, 85. — Analytical, Muter, «44, 400; Greadwelltsand Hall, “aaa. Villavecchia (Pope), 45, 320: 46, 765. — College, Noyes, 49, 444. — Elementary, McPherson and Henderson, 45, 233. — Engineering, Stillman, 43, 166. — First Stage, Armitage, 45, 471. — of Foods, Sherman, 46, 548. — General, Cady, 43, 247; Hale, 44, 399. — History of, Brown, 50, 463. — Industrial, Thorpe, 46, 615, 680; Aar igs es2: Thorp and Lewis, 42, 165. — Inorganic, Holleman and Cooper aay ces seMellor “76; 541; Molinanie 50, 73. — in the Home, Weed, 45, 471. — of Metabolism, Problems, von Furth and Smith, 42, 442. — am Old Philadelphia, Smith, 47, 303. GENERAL INDEX. [6 CHEMICAL WORKS. Chemistry, Organic, Cohen, 45, 233; Noyes, 43, 81; Stoddard 47, 135; von Richter and Spiel- mann, 41, 368; 48, 460. — Physical, Lewis, 42, 75; 160; van Klooster, 49, 147. — Physiological, Hawk, 42, 76; 48, 47, 148. — Practical, Neville and New- man, 49, 376. — Progress for 1915, Annual Reports, 42, 166. — progress of, 1818-1918, Wells and Foote, 46, 259. — of Proteins, Robertson, 548. — Sanitary and Applied, Bailey, 44, 78. — Theoretical, Getman, 46, 765; Nernst and Tizard, 43, 486. Chemists’ Handbook, Liddell, 41, 558. — — Gas, 43, 4II. — Manual, Meade, 45, 416. Coal and its Uses, Bone, 47, 135. Colloidal Chemistry, Alexander, 48, 160; Ostwald and Fischer, 41, 205; 47, 226. — Solutions, Burton, 42, 79. Colloids, in Biology, Bechhold and Bullowa, 48, 248; Physics and Chemistry, Hatschek am 368; 48, 160; 59, 73- Electro-Analysis, Smith, 46, 766. Electrochemical | 2qudapate mess Hering and Getman, 44, 390. Electrolysis in Chemical Indus- try, Hale, 47.35. Food Analysis, Winton, 44, 77. Hydrogen, Chemistry and Manu- facture, ‘Deeds 48,476; Laboratory Manual, Blanchard and Wade; 46, 542; MePher son and Henderson, 41, 144. Organic Coloring Matters, Nat- ural, Perkin and Everest, 47, 382. — Compounds, Barnett, 49, 300; 46, Identification of Pure, Myiulli- ken, 42, 166; Solubilities of, Seidell, 49, 78. Reagents and Reactions, Tog- noli, 45, 328. Stoichiometry, Young, 46, 680. Woodhouse, James, Chemist, 1770-1809, 46, 541. Zine Industry, Smith, 46, 680. 7] VOLUMES XLI-L. 485 CHEMISTRY. CHEMISTRY. Acetates, tests for, Curtman and Carbon, activation, Chaney, 49, WArrIS: Adqss 3 32: 212; atomic weight, Batuecas, Acetylene, colorimetric determi- nation, Weaver, 41, 463. Acidimetry of colored solutions, Tingle, 47, 60. Alkalimetry, yellow mercuric oxide as standard, Incze, 44, A479. : Alloys, reactive, Ashcroft, 49, 209. spies Aluminium, determination, Blum, 42, 432. Ammonia, new method for esti- mating, Foxwell, 42, 74. Ammonium chloride as food for yeast, Lotiman, 43, 246. Aqua regia, action on gold-silver alloys, 50, 315. Argon, atomic weight, Leduc, 47, 139A. Arsenate, lead-chlor, McDonnell and Smith, 42, 130. Arsenic and Antimony, com- pounds of, Morgan, 46, 615. — in organic compounds, esti- mation, Ewins, 45, 72. — Pearson’s method, modifica- tions of, 48, 301. Atomic weights, report of Inter- national Committee, 49, 78; as integers when O = 16, 49, 212. micoilis, complex... Harkins, .| 45, 141; intermolecular transposi- tions, von Hevesy and Zech- meister, 50, 314; and molecules, electrons in, Langmuir, 48, 60. Barium from brines, Skinner and Baughman, 43, 246. — and _ strontium, separation, Gooch and Soderman, 46, 538. Bismuth oxychloride, solubility, Noyes, Elall, and: Beattie, 45, ly. Boric acid in determination of ammonia, Scales and Harrison, 49, 443. Cadmium iodide solutions, ioniza- tion, Van Name and Brown, 44, 453. Czsium chloride salts, Jamieson, 43, 97. — etc., separation, Browning and Spencer, 42, 279. Calcium tartrate, crystallization, Chattaway, 42, 497. Carbohydrates and the _ gluco- sides, Armstrong, 50, 464. 47, 69; detection, Mueller, 45, 73; Penfield test, Mixter and Haigh, 43, 327. — monoxide, free, in kelp, Lang- don, 43, 165. Carbonates, alkali determination, Dubrisay, Tripier, and Toquet, 47, 206. ; Cerium, determination, Lenher and Meloche, 41, 217. Chlorides in presence of thiocya- nates, 42, 408. Chlorine, free, new reagent, Li Roy, 43, 80. Cobalt, new volumetric method, Engle and Gustavson, 42, 431; 43, 328. Colloidal, Colloids. See CHEM. WORKS. Copper and iron, determination, Edgar, 41, 462; Ley, 45, 470. Copper sulphate, basic, Young and Stearn, 42, 497. — test ton Wyle. (Curtman, and Marshall, 41, 463. Cupferron in analysis, and Knowles, 49, 376. Cyanamide, preparation, Werner, 44, 478. Dialkylphosphoric and benzene- disulphonic acids, preparation, Drushel and Felty, 43, 57. Electrolytic analysis, Gooch and Kobayashi, 43, 301. Esters from substituted aliphatic Lundell alcohols, Drushel and Ban- ChOle AA S71: Fluorine, Gautier and Claus- mann, 42, 304% determination, Gooch and Kobayashi, 45, 370; in soluble fluorides, Dinwiddie, 42, 464. Gallium, electrolysis, etc., Brown- ing and Uhler, 42, 389; Uhler, 43, 81; separation, Browning amdart OLter, 44, 220, saqenens: from U. S. spelter, Hillebrand and Scherer, 41, 367. Gallium-indium alloy, Browning aac Willer, ar, 351. Gases, see Gases. Gasoline, etc., manufacture, Ritt- man, Dutton and Dean, 41, 462. Germanium, detection, Brown- ing and Scott, 44, 313; 46, 663; 486 GENERAL INDEX. [8 CHEMISTRY. CHEMISTRY. in zinc materials, Buchanan, Bender, 41, 2905; determination, 42, 430. Glucosane, Pictet and Castan, 50, 392. Glycerine, new source, 47, 225; preparation by fermentation, Schweiser, 47, 381. Helium, see Helium. Hydrocarbons, . liquid, tion,, Fischer, fae 7557. Hydrofluoric and fluosilicic acids, Dinwiddie, 42, 421. Hydrogen, desulphurizing action On | cokes Powell, -50,)\ 464; ionization, Dempster, 42, 76. — peroxide, determination, Ja- mieson, 44, 150. Hydrogenation, catalytic, ted, 47, 441. Hydrolysis of hypophosphoric acid solutions, Van Name and Ente “45-103: Hypophosphates, preparation, Van Name and Huff, 46, 587. Indicator for bases and acids, Chauvierre, 49, 200. Todides, detection, Curtman and Kaufman, 46, 614. Todine, action of light upon, Bor- dier, 42, 4096. Iron, estimation of, Edgar and Kemp, 45, 470; rotating re- ductors in the determination, Scott, 49, 77; spectrum, Hem- salech, 43, 413; as thiocyanate, estimation, Willstatter, 50, 392. Isotopes, see Isotopes. Lead, atomic weight, Richards and Wadsworth, 43, 166; den- sity of, from radioactive min- erals, 41, 203. — isotopes, melting points, Rich- ards and Hall, 50, 314; isotopic, ClarkeaaaG.e97045 . forms “tof separation, Richards and Hall, 43, 409. — supposed allotropic Thiel, 50,9362. Lithium, separation from potas- sium, etc., Palkin, 42, 4096. Manganese, colorimetric deter- mination, Willard and Great- house, 44, 478; in soils, John- son, 43, 410; electrolytic de- produc- Max- form, termination of, Gooch and Kobayashi, 44, 53. Mercury, critical temperature, Jamieson, 47, 438. Metals, common, qualitative sep- aration, Clarens, 42, 364; solu- tion in ferric salts, Van Name and Hill, 42, 301; specific heats at low temperatures, Eastman and Rodebush, 45, 327. Molecular frequency, Allen, 46, 544; volumes, 41, 204; weights, apparatus for determining, Chapin, 46, 613. Molybdenum, determination, Ja- mieson, 43, 320. Neon, thermal conductivity, Ban- nawitz, 41, 2006. Nitrite, determination, Dienert, 47, 60; disodium, Maxted, 45, 142. Nitrogen, fixation, 43, 320; modi- fication, Strutt, 42, 368. Nitrous acid, © determination, Laird and Simpson, 47, 382. Osmium, new reaction, Tschu- gaeff, 46, 680. Paper pulp as a filter, Jodidi and Kellogg, 41, 557. Paraffine, oxidation, Kelber, 50, W292. Perchlorate method, Gooch and Blake, 44, 381. Periodic table, Hackh, 46, 481. Permanganate solution, Halver- son and Bergeim, 45, 232. Phosphorous, etc. acids, estima- tion, Van Name and Huff, 45, OI. Photographic phenomenon, Mc- Arthur and Stewart, 49, 146. Platinum wire in bead and flame tests, Kiplinger, 49, 440. Potash in Alsace, Kestner, 47, 68; cobalti-nitrite method for the determination of, Haff and Schwartz, 45, 71; from cement mills, Merz,” 45, 232) sieroms feldspar, 41, 143; from green- sand, Chariton, 45, 142; trem kelp, Higgins, 46, 764; from sea water, Hildebrand, 45, 2313 salts in the United States, Ruhm, 50, 315; volatilization from cement, Anderson and Nestell, 43, 329. Potassium, recovery from min- eral silicates, “Frazer, ete, a4, 3908; volumetric method, Ajon, AI, 142; iodate titrations, Ja- 9 CHEMISTRY. mieson, 45, 410; Holstein, 49, 208. Radium. See Radium. — sulphate, solubility, Underwood, etc., 45, 327. Rare Earths, Spencer, 49, 78. Rubidium and cesium, deter- mination, Robinson, 45, 142. Silicon, thermo-chemistry, HEL, A2, E25. Silver, rate of solution in chromic nitrate, Chile, Lind, acid, Van Namegand Ell; 4s, | separation from mercury, Att 2052 evolu- 54; | Zweigberek, metric method, new, Schneider, | 45, 416. Sodium :peroxide, use in combus- tion calorimetry, Mixter, 43, 27. Soils, organic matter in, Rather, 46, 688. Solmds, “ditiusion “ot, ? Van “Or- strand and Dewey, 4I, 216. Stannous and lead halogen salts, Rimbach and Fleck, 41, 556. Stceimc aciditas a -standard, Peters and Sauchelli, 41, 244. Sucrose in acid vegetable juices, Colin, 50, 393. Sulphur, sulphide, estimation, Drushel and Elston, 42, 155; liquid, Kellas, 47, 2097. Sulphurous acid, preparation, Se Elare, 435 411. Tellurium, arsenic, etc., detec- tion and separation, Browning. et al., 42, 100. Thorium, emanation method for determination, Cartledge, 47, 134; oxidimetric determina- tion, Gooch and Kobayashi, 45, 227; separation from iron, Thornton, 42, 151. Tin, arsenic and antimony, sep- aration, Welch and Weber, 42, 74; hydride, Peneth and Furth, 49, 208; and tungsten, new method of separation, Travers, 44, 479. Tri-iodide and tri-bromide equi- libria, Van Name and Brown, 44, 105. Tungsten, occurrence, merands Hartmann, 475° 225% Uranium, Chemistry, Pierlé, 49, Runner 146. — dioxide, preparation, Parsons, 43, 485. aga Vanadic acid, determination, VOLUMES XLI-L. Mix- | 487 CHEMISTRY. Gooeh and Scott, 46; 427; Ed- gar, 42, 365. Vanadium, determination, Tur- ner, 41, 330; 42, 100; in sedi- mentary -rocks, Phillips, 46, 473. Vapors in gases, estimation of, H. S. and M. D. Davis, 46, 688. Weighing, analytical, Wells, 4o, 375; deflection method of, Brinton, 48, 390. Viittsnes> separation, » Bonardi and James, 4I, 142. Zinc, determination, Jamieson, 46, 614; Howden, 47, 70. Zirconium, determination, Lun- dell and Knowles, 48, 67; Smith and James, 50, 303. Chert,ortein; Parr, 44; 400: 4s, 149; Van Tuyl, 45, 449. — California, Davis, 47, 234; Kan- sas, Twenhofel, 47, 407; Mis-: souri, formation, Dean, 45, 411. Cincinnati, geology, Fenneman, 43, 172: Clark A. H., Existing Crinoids, 41, Clark, B. M., Introduction to Sci- ence, AS: 420; Laboratory Manual, 45, 4 Clark. T, H., Agelacrinitid, from Chazy of New York, 50, 69. Clarke, F. W., Data of Geochemis- try, 41, 376; constitution of meli- lite and gehlenite, 43, 476. Clay, dolomitic, Ries, 44, 316. Cleland, H. F., Geology, a2, 282. Climatic Control, Humphreys, ao, 305; fluctuations, pleionian cy- cle“omewretowski, 42, 27. Coal beds in West Virginia, Hen- nen, 46, 770. —ii€oal Vindustry, 42, .503siand Uses, Bone, 47, 135; water con- tent, genesis and nature, Mack and Hulett, 43, 80; and Smyth, 45, 174; origin of brown, Steven- Som, 4S) 2EL. Coast Survey, United States, an- nual report, I915, 41, 305; 1016, 422567) 101S, 47, 3007 e1919%) 40, 309. — — Centennial 505. — — Magnetic chart, 41, 466. —— degree awarded to Wm. Bowie, 48, 240. Cockerell, T. D. A., insects in Bur- celebration. 42, 483 mese amber, 42, 135; 44, 360; fossil parasitic hymenoptera, 47, 376. Coe, W. R., a century of zoology in America, 46; 355; noticesot i: Rathbun, 46, 757. Cohen, J. B., Organic Chemistry, | 45, 233. Coleman, A. P., wave work as a measure of time, 44, 351, 487. Collineation Groups, Finite, Blich- feldt, 43, 487. Colloidal, Collcids. See CHEM. | WORKS. Color Vision, theory, Houstoun, 42, 433. Colorado age of Scranton Richardson, 43, 243. — fossil footprints from the Grand Canyon, all, as, 337;.>Carbon= iferous, Schuchert, 45, 347; Cam- brian; 45, 302. — Geology of the Raton Mesa, Lee and Knowlton, 47, 74, 142. — mineral springs, radioactive properties, Lester, 46, 621. — Raton Mesa, geology, Lee and Knowlton, 47, 74, 142. Coloring Matters, Natural Organic, Perkin and Everest, 47, 382. Comstock, D. F., Matter and Elec- thicity,) 43, 414. Congress, Library of. See Library. Coniferous woods, Potomac, for- mation, Sinnott and Bartlett, 41, 276. Conn, H. W., Agricultural Bac- teriology, 45, 424. Connecticut, central, in the geo- logic past, Barrell, 41, 148. — geol. survey. See GEOL. RE- PORTS. — insects of, Viereck, etc., 44, 83; marine terraces, Hatch, 44, 319; Valley, Triassic life, Lull, 41, 147. Continental fracturing, Oceanica, Schuchert, 42, QT. Coral reef problem and Funafuti borings, Skeats, 45, 81; coal, 185; and isostasy, Molengraaff, 44, 153. — see Davis, W. M. — — zone and the glacial period, Daly,,.48, ,130) — reefs, in the Fijis, Andrews, 41, 135. — and coral islands, Murray Is., 47, 80. GENERAL INDEX. the for- | mation of dolomite, Skeats, 45, | [10 Corona, influence of a series spark on, Crooker, 45, 281. Cosmogony, Jeans, 49, 150. Cotton, C. A., block mountains in New Zealand, 44, 240; 45, 140. Coulter, J. M., and M. C., Plant Genetics, 44, 230. Cramer, W., Chemical Physiology, 46, 540. Crehore, A. C., Matter and Energy, 45, 76. Cretaceous, lower, in Maryland, Berry, 50, 48. Crew, H., Physics, 42, 50. Crooker, S. J., influence of a series spark on... the. direct) veugrent COLOna, 45.4 20k Crooks, H. F., Early Silurian rocks of No. Michigan, 45, 50. Crops, Manuring for, Russell, 44, 86 Cross, C. F., Cellulose, 47, 230. Cross, W., obituary notice of Louis V7... Patssonm: -50,2% 738 | Crowther, J. A., Life of Faraday, 47, 230; Molecular Physics, 48, 473; ~lons,- Electrons; sete; 449, 281. PAUSEACeSs Paleozoic, Vogdes, 44, 330. Crystal drawing and modeling. Blake, 43, 397; optics) suse of graduated sphere, Warren, 42, 493; problems, Blake, 46, 651; structure, Whitlock, 49, 259; of calcite group, Wyckoff, 50, 317; zones, plotting, Blake, 42, 486; 43, 237. Crystallography and Mineralogy, new journal, Goldschmidt, 50, 308. Crystalline cylinders, stress-strain relations in, Bridgman, 45, 260. Crystals, growth under external pressure, Taber, 41, 532; method of growing large, Moore, 48, 391; salt, formation, Long, 43, 280. Cunningham, E., Relativity and the Electron Theory, 41, 297. Cushny, A. R., Secretion of Urine, 44, 159. Cutbush, James, Amer. 1788-1823, Smith, 49, 79. Cuttingsville, Vt., eruptive rocks, Eggleston, 45, 377. Cuzco, Peru, geology, Gregory, 41, | 3;-Indians of, Ferris, 43, 330. |Cycadophyte, classification, Wie- - Jand, -47,:'391; - from, No, .Auner Coal Measures, Bassler, 42, 21. Chemist, 11] Cycads, Amer. Fossil, Wieland, 43, a53; (40, 045; 47, 391. — Living, Chamberlain, 47, 440. Cylinders of scoriaceous diabase, emerson Al, 321. Cyperacee, studies, No. XXVII, ELolm, 48, 17; no. XXVIII. 40, Hoag ho. XK ITX,” 4907420 «no. XXX, 50, 150. — see BOTANY. Cytology, Agar, 50, 77. D Dakota flora, age, Berry, 50, 387. Dale, T. N., Algonkian Cambrian boundary in Vermont, 42, 120; unconformity of Berkshire schist and Stockbridge limestone, 4g, 360. Dall, W. H., Bivalve Mollusks of the west coast of America, 42, 439. Daly, R. A., problems of the Pacific listands, 4i; 153: «geology. of Pigeon Point, Minnesota, 43, 423; coral-reef zone and glacial period, 48, 136. Dana, E. S., American Journal of Science, 1818-1918, 46, I. Darton, N. H., geology of Luna County, New Mexico, 42, 82; Grand Canyon, 44, 158. Daugherty, L. S. and M. C., Eco- nomic Zoology, 45, 335. Davies, A. M., Paleontology, 50, 467. Davis, M. M., Jr., 771. Davis, W. A., Allen’s Commercial Organic Analysis, 44, 400. Davis, W. M., Great Barrier Reef of Australia, 44, 339; Geological Handbook of Northern France, 45, 479; Cedar Mt. trap ridge near Hartford, 46, 476; notice of, G. K. Gilbert, 46, 669; frame- work of the earth, 48, 225. Davison, A., Mammalian Anatomy, 45, 151. Day, A. L., obituary notice of G. F. Becker, 48, 242. Dayton, Ohio, geology, Foerste, 41, 302. Dean, R. S., formation of Missouri cherts, 45,411; electron theory Gi passivity) 47; 1233. Physical Chemistry of Metals, 49, 147. Dispensaries, 46, VOLUMES XLI-L. | | | | Diatoms, fossil, 489 Delacre, M., Histoire de la Chemie, 49, 443. De Moraes, L. F., ferrazite, 48, 353. Density of solids, Le Chatelier and Bossted, -43..70; ‘balance — for solids, Gasnault, 47, 72. Densmore, H. D., Botany, 50, 78. Devonian of Central Missouri, Greger, 50, 20. Diamond, dispersion, 47, 441. Diamonds, in I91Q, 50, 472. Diastrophism in the Atlantic-Arctic Silberstein, restone taloltedalil," ag. 1: ™ in Northeastern America, Schu- Cheriagesa-. 300; sin (Oceanica. Schuchert, 42, of. from Pribilof Is- lands, Hanna, 48, 216. Diffusion and rhythmic precipita- tion, Stansfield, 43, 1. Ye conglomerate, Perkins, pie. at S., notice of Arnold Hague, 44, 73. Dinosaurs, functions of the “sacral” braid gaye Ionll, 44, 47F1. — See GEOLOGY. Dinwiddie, J. G., hydrofluoric and fluosilicic acids, 42, 421; fluorine in soluble fluorides, 42, 464. Dispensaries, Davis and Warner, 46, 771. Dissociation pressures, determina- tion, Allen and Lombard, 43, 175. Dolomite formation and the coral reef problem, Skeats, 45, 81, 185; origin, VanTuyl, 42, 240. Dolt, M. L., Chemical French, AL7;, 50, 403: Downing, E. R., Biological Nature Study, 48, 162. Drops and vortices, forms assumed by; blatsebek, 47, 383. Drushel, W. A., sulphide sulphur, 42, 155; dialkylphosphoric acids, ete, 43,57; ‘esters from™Stubsti- tuted eupe atic alcoholste4a37 1. Dryer, C. R., Economic Geography, 45, 484. Diclesett W. L. H., Morphology and Anthropolog y; "At, 564. Duclaux, E.,-Pasteur, 50, 80. Duff, tet W., Physics, 42, 437. 45; Dunbar, C. O., Rensselzrina, 43, 467; Devonian of West Tennes- Ssce,u40; 732: Duparc, L., Russian studies, 49, 451. Dustfall of March 9, 1918, Winchell and Miller, 46, 5090; 47, 133. 490 E Earth, Evolution of, Barrell, Schu- chert; ete, 40,.770;. [he Bacezor Suess, 47, 235; framework of, Davis, 48, 225; Origin, Chamber- jin, 42* 167,. 37a. Earthquake, of 1918 in Porto Rico, | 50,2240. — investigation Committee, Japa-| nese, 42, 84. East, E. M., Inbreeding and Out- breeding, 49, 385. GENERAL INDEX. | | | | [12 Electroscopes, 44, 225. emanation, Lester, _Electro-titration, Robbins, 41, 246. Elston, C. M., 42, 155. sulphide sulphur, _Embryological Essays, Assheton, 43, 421. Embryology, Lillie and Moore, 49, 222; Human, McMutrrich, q1, 225. Emerald deposits of Muzo, Colom- bia, Pogue, 42, 85. | Emerson, B. K., cylinders of scori- Eaton, G. F., Osteological Material | from Machu Picchu, 42, 86, 281. Edinburgh, Mathematical Tracts, Whittaker, 41, 226, 208. Education Board, General, report, 42, 8o. — Public, in Maryland, 42, 88. Eggleston, J. W., Eruptive rocks at Cuttingsville, Vermont, 45, 377. Ehlers, G. M., Heterolasma foerstei from Michigan Niagaran, 48, 461. Eikenberry, W. L., Botany, 50, 78. Einstein, A., Relativity, 50, 465 — displacement of solar lines, Grebe and Bachem, 50, 394. Electric and Magnetic Measure- ments, Smith, 43, 415. — discharges in gases. 234. — Oscillations and Electric Waves, Pierce, 49, 303. — resolution of helium lines, Mer- ton; 47,365, Electricity, Pidduck, 42, 70. — Emission from Hot Richardson, 42, 360. — Practical, Archbold, 43, 240. Electro-Analysis, Smith, 46, 766. Electrochemical equivalents, Her- ing and Getman, 44, 390. Electrodes, perforated, experiments with, Aston, 49, 301. Electrolysis in Chemical Industry, Hale, 47s Electrolytic Analysis, Kobayashi, 43, 391. Electromagnetism, Oersted’s covery, 1820, Larsen, 50, 466. Electron, Millikan, 44, 333. — theory of passivity, Dean, 47, 123; and relativity, Cunningham, 41, 207. Electrons, in atoms and molecules, Lanomuir,')) 4BGos through gases, Wellisch, Strutt, 45, Bodies, Gooch and dis- 44, I motion | aceous diabase, 41, 321; minera- logical notes, 42, 233. Emery, W. B., igneous geology of Carrizo Mountain, Arizona, 42, 349; Green River desert section, Utah, 46, 551. Energy, Theories of, Perry, 45, 4109. Engineering Education, Mann, 46, 772. Engineers Tables, Ferris, 43, 342. Entelodonts of Marsh Collection. Troxell; 50, 243° 36177 Entomolagy, Lochhead, 47, 453. Epsomite, spotted lakes of, Jen- kins, 46, 638. Equide of North America, Osborn, 46, 770. Equilibrium and Vertigo, 48, 70. Errors and Least Squares, Theory of, Weld, 41, 562. Erwin, M., Universe and the Atom, 41, 360. Etchings, beryl, Honess, 43, calcite, etc., Honess, 45, 201. Ethnology, Amer. Bureau, 47, 452. Europe, submergence, Schuchert, 43, 35. Evolution, Cosmical, McLennan, 43, 169; of earth, Barrell, Schuchert, etc., 46, 770; of Life, Osborn, 45, 77; Meaning, Schmucker, 4j1, I51; in medicine, Adami, 46, 691; of plants and animals, Berry, 49, 207; Theory, Scott, 44, 84. Jones, ZAS\5 F Fabry, Ch., note on paper by, Uhler, 49, 143, 148. Falk, K. G., Chemical Reactions, 50, 464. Faraday, Michael, Life of, Crow- ther, 47, 230. Farlow, W. G,, Thaxter, 49, 87. Farrington, O. C., obituary notice. Brazilian favas, 13] Ais 355; Characters of Meteor- ites, 41, 376; Catalogue of North American pieteatites, ATi: 223: goyazite, 43, 42 Fauna. See GEOLOGY. Favas, Brazilian, Farrington, 41, 355. Fay, H., Quantitative Analysis, 47, 225. Felidz, Oligocene, Thorpe, 50, 207. Felty, A. R., dialkylphosphoric acids. etc., 43, 57. Fenton, C. L., Devonian of lowa, 48, 355. Ferguson, H. G., tin deposits, Irish Creek, Virginia, 45, 477. Ferguson, J. B., melting points of cristobalite and tridymite, 417; ternary system, CaO-MgO- SiOz, 48, 81; wollastonite and the | ternary system, 48, 165; binary system akermanite-gehlenite, 50, maT Ferric oxides, hydrated, Posnjak and Merwin, 47, 311. Ferris, C. E., Tables for Engineers, 47, 309. Ferris, H. B., Cuzco Indians, 339. Ferry, E. S., Physics Measure- ments, 47, 138. Fertilization, Lillie, 48, 162. Field, R. M., Middie Ordovician of Pennsylvania, 48, 403. Field Museum of Natural History, | 1915, 43, 88; 1916, 44, 160; 46, 479; 1918, 47, 451. Fiji Islands, coral reefs, Andrews, | 41, 135; Geology, Foye, 43, 343; 47; 387. Filters, paper pulp for, 41, 557. Finch, J. K., Topographic maps, 50, 2306. Finkelstein, L., radioactivity of meteorites, 44, 237. Finmarken, Paleozoic formations, Holtedahl, 47, 79, 85. Fish, Sail, from the Miocene, Berry, 43, 461. Flame tests, Kiplinger, 49, 442. Flames, Colored, of high lumin- osity, Hemsalech, 44, 482. Flint, G. E., Whole Truth About Alcohol, 48, 247. Flora. See GEOLOGY. Florida, Comanchean Sellards) So te; » Vero, fossil beetles, Wickham, 47, 355; dis- covery of fossil human remains, Virginia formation, VOLUMES XLI-L. 46, | 43; | IQ17, | 49] les2Sellardcwea2: «ns 47,3583" geol. | survey, 43, 85; phosphate de- posits, Sellards, 41, 2909; Matson, 4I, 300. Florissant beds, Coleoptera from, Wickham, 42, 81 Ree mechanics of, Barton, 41, 146. Fluorescent screens for radioscopic purposes, Roubertie and Nemi- rovsky, 48, 392. Foerste, A. F., American Ordovi- cian Lichadide, 49, 26. Food Analysis, Winton, 44, 77. '— and Drug Laboratories, Meth- ods in, Schneider, 41, 381. Foods, Microbiology, Schneider, 50, 172; Poisoning, Jordan, 44, 158. Foote, H. W., progress of chemis- try, 1818-1918, 46, 259. Footprints, Grand Canyon, Ari- | ‘zona uh an’ 337 Massachm- '- séttgeGagnpontierous, - Lull, se: 234; Pennsylvanian of Okla- homa, Jillson, 44, 56; Glen Rose limestone, Texas, Shuler, 44, 204. Ford, W. E., hydrozincite, 42, 50; | Margarosanite, 42, 159; apatite | fronwserubtrn,: Me... 44." 2455 | growth of mineralogy, 1818-1918, | "40S 240. — new mineral names, 42, 504; 43, 493; 44, 485; 45, 477; 47, 446. -Formkohle, origin, Stevenson, 43, 21k Fort, C., Book of the Damned, 4o, 304. Foshag, W. F., sulphohalite, 40, | 76; apthitalite (glaserite), Cali- |< PoriaasaQe.367: | Fossil. See GEOLOGY. Fossilium Catalogus, 4I, |Foye, W. G., geology of the Lau Islands, Fiji, 43, 343; 47, 387. ‘France, Science and Learning, 44, 488. Praseien W. S., Physics, 43, 168. 'Fraps, G. S., Agricultural Chem- | AStRye aaL 150. |Freezing-point lowering, determin- ation, Van Name and Brown, 43, 222, 223. IIO. French, Chemical, Dolt, 45, 417. Fringes, interference, rotation, Barus, 42, 63. Funafuti borings, Skeats, 45, 81.. Fundy, Bay of, marine faunas, Kindle, 41, 440. 492 : G Gager, C. S., Botany, 44, 85. Gale, H. G., Physics, 50, 394. Gallium. See CHEMISTRY. Galloway, J. J., rounding of sand by solution, 47, 270. Gas Chemists’ Handbook, 43, 411. — field, Hogshooter, Berger, 48, 180. — molecules, condensation, Wood, AB, Ol. Gases, of Atmosphere, Ramsay, 41, 557; diffusion of light by, Fabry, 47, 70; magnetic susceptibilities, Honda and Okubo, 49, 377; po- larization: sthutt, .47,: 1375. ame vapors, electric discharges, Strutt, 45, 234- Gaskell, W. H., Involuntary Nerv- ous System, 42, 87. Gems, Kunz, 47, 238; Schaller, 47, 1452 eStetrett) Az, 223. Genetics, Pearl, 41, 370. Geochemistry, Data of, Clarke, 41, | 376. Geodes of the Keokuk beds, Tuyl, 42, 34. Geografiska Annaler, 49, 86. Van Geographical Society, Transcontt- | nental Excursion of 1912, 41, 304. | 45, Geography, Economic, Dryer, 484. | Geologic instruction, 281; Map of Ohio, Bownocker, 50, 239; France, Davis, 45, 479. GEOLOGICAL REPORTS. Alabama, 44, 158. Canada, annual report, 19014, 41, 467; 1915, 42, 84; 1916, 46, 477; publications, 44, 81; 46, 477, 547 Connecticut, bulletin, no. 22, 44, 83; 8th biennial report, 47, 390. Florida, 8th annual report, 43, 85. | Illinois, bulletins, no. 33, 43, 490; NO. 37; 49; 1383.0n0: ‘30; 483/78; no. 40, 49, 383; Year-book, 1910, 41, 564 Iowa, annual report, 109014, 43, 251% TOMS 64 5er; wpulletin, mo; 6,48, 77 Kentucky) aiesgan 8 a7, 1232. Maryland, 46, 768; 50, 237. Minnesota, 49, 383. Mississippi, 41, 375. Missouri, Branson, 47, 78. Nebraska, 43, 491. Gregory, 47, | Handbook of Northern | GENERAL INDEX. [14 GEOLOGICAL REPORTS. New Zealand, annual reports, roth, 43,335; Tit) tapes: bulletins, no. 17; Ar 655 me. 17, 41, 565;- no. 18, 45, 1467 aos 22, 50, 76; paleontological bul- letin no. 445, 77. North Carolina, 48, 78. South Africa, 41; 564: 45 same South Australia, annual report, 1915, 43, 402; .1916,/ 45, 22s bulletins, no.°6,545, G47; mom, 49, 384. (exas, ai. i373 United States, 36th amnualre= port, 41, 371; list of publica- tions, 41, 371; 42, 440. — — 37th annual report, 43, 488; lists of publications, 43, 418, 480; 44, 405. — — 38th annual report, 45, 421; lists of publications, 45, 475. — — 30th annual report, 47, 140; lists of publications, 47, I41; 48, 75, 161, 476. — — 4oth annual report, 49, 448; list of publications, 49, 448; 50, 469. Vermont, 43, 4090. Virginia, biennial report, I914- 1915, 42, 82; bulletin no: 44; 45, 476; no. 15a,~45, 477; no. 17; 49, 153; 10.18, 4G, em 19, 49, 153. _ aie Virginia County reports, » 373; 42, 503; 43, 419; 45, 70. 46, 7690; 49, 153. Western Australia, annual re- port, IQI5, 43, 252; 1918, 50, 760; bulletins, nos. 58, 62, 64; 65, 41, 566; no. 63, 43; 336; nos. 71, 73-76, 48, 474; no. 77, 50, 76. : Wisconsin, bulletins, no. 42, 41, nos. 28-32, 37-40, no. 35, no. 36, 42, 83; 374; no. 40, 41, 467; no. 47, 48, 78. Geological Society of London, 45, 478. — Surveys, History of ) Samer, State,- Merrill, .50;:'3053. 4eeeeto: Government, 1818-1918, Smith, 46, 171. Geologie, Handbuch der Regiona- lén, -41,° 302350; 1306. Geology, Economic, Ries, 43, 252, 236° Field, Lahee, 43,1723) dsis- torical, Miller, 43, 87. — history, 1818- 1918, Schuchert, 15] 46, 45; Gregory, 46, 104; Barrell, 46.133; Lull} 46, 193g. Geology, Physical, Cleland, 42, 282; Pirsson, 50, 460. — Review of, 48, 247. GEOLOGY. Abo sandstone, New Mexico, ammonoids, Bose, 49, 26. Agelacrinitid, from New York, Chiazy, Clark, 50,60: Albertella fauna, Burlins, 42, A469. Aletomeryx, Lull, 50, 83. Algal deposits. Pre-Cambrian, etc., Twenhofel, 48, 339. Algonkian Cambrian boundary in Vermont, Dale, 42, 120. Ammonites, Reeside, 50, 240. = hype, Buckman and. Lutcher, 50, 468. Ammonoids from New Mexico, Bose, 49, 26; Lee, 49, 323; of Miexas. Ose), 47, 305: Amphibia, Coal Measures of | North America, Moodie, 42, | 502. | Amphibian, Eocene, Loomis, 47, | 2A Arcas, Atlantic Slope, Sheldon, 43, 251. American Jurassic. | VOLUMES XLI-L. Arthropods in Burmese amber, Cockerell, 44, 360. Artiddactyl, Oligocene, Troxell, AGe 200s). Lertiary, all, 50,83. Athabaska Series. Alcock, 50, 25. Barrier Reef of Australia, Davis, | 44, 339. Beatricea, fossil hydroid, Schu- | ehert,: 47,203: Berea formation of Verwiebe, 42, 43. Berkshire schist and Stockbridge limestone, unconformity, Dale, 49, 369. Botany, fossil, World, Guppy, 49, 372. Brachiopod shales, Troedsson, 48, 78. Ohio, Brachiopoda of Antarctic Expe- | dition, Thomson, 48, 397; of Burma, Buckman, 50; 74; of the Girvan District, Reed, 43, 492; Permian, of Armenia, Stoyanow, 42,2 43055) recent, | U. S. Nat. Museum, Dall, 50,| D/O. ela, in the Western | Norway, : _ Coral-reef. 493 GEOLOGY. Bryozoa, early Tertiary, Canu and Bassler, 50, 241; fossil, West Indies, Canu and Bass- ler, 49, 83.. Burlington limestone, cher (hatr? 44, 400: Butler salt dome, Texas, Powers, origin of 49, 127: Cambrian, Algz and Spongiz, Walcoms’ 50, 230) - seologsy, Walcott, 42, 439; of the Grand Canyon, Schuchert,* 45; 362; and Ordovician of Maryland, Bassterts 50, 237°. “and Pre= Cambrian formations, Mon- taney VValcott, 42, 372: “trails, critical study, Burling, 44, 387; Trilobites, Walcott, 41, 301. Carboniferous footprints, «Mass., Lull som2e4-: ot the (Grand Canyon, Schuchert, 45, 347. Cedar Mt. trap ridge near Hart- ford,’ Damis, 46; 476. Champlain submergence on Maine coast, Meserve, 48, 207. Chapman sandstone of Maine, fauna, Williams, 42, 160. Cheilostome Bryozoa, Canu and Bassler, 43, 410. pa revision, Barton, 41, 503. Cherts, California, Davis, 47, 234; Kansas, Twenhofel, 47, 407; Missouri, formation of, Dean, 45, 411; origin, Tarr, 44, 400; 45; 40a Van Tuyl, 45, 4405 radiolarian, in Oregon, Smith, 42, 209, 504. Chester series, Kentucky, 47, 232. Chilopods and trilobites, ances- ify, both!) 42,37 3: Cincinnatian fossils, Foerste, 43, A493. Coleoptera, new, from the Floris- sant beds, Wickham, 42, 81. Comanchean of Florida, Sellards, 48, 13; Kansas, Twenhofel, 49, 281; Texas, Adkins and Min- ton, 50, 241. Be ae origin, Field, 5 Continental fracturing in Ocean- ica, Schuchert, 42, O1. Cooper limestone, Greger, 50, 20. See Coral Reef. Crab, fossil, Mary J. Rathbun, 41, 344. 43, 494 GEOLOGY. Cretaceous age of the “Miocene | flora” of Sakhalin, Kryshtofo- vich, 46, 502. — faunas. of Woods, 45, 78. New Zealand, — limestones underlying Flor- ida: Cushman 47, 307. — lower, Federal Hill, Mary- land, Berry, 50, 48. --) Lertiany, » pomadary .iiny oO America, Windhausen, 45, I. — upper, floras of Tennessee, ete. >) Beaty, - 50;)-240; (ole tite world, Berry, 42, 81; Fulgur, Wade,. 43, 293. Crustacea, Paleozoic, Vogdes, 44, 336. Crustaceans, decapod, from Pan- aiga. Ratabun, 47, 234: Cycadophyta, Wieland, 47, 391. Cycadophyte from North Ameri- can Coal: Measures, Bassler, 42, 21. Cycads. See Cycads. Cyprinid fish, British Columbia, Hussakof, 42, 18. Dakota flora, age, Berry, 50, 387. Devonian faunas of MacKenzie River Valley, Kindle, 42, 246. — shales of Ohio and Pennsyl- vania, correlation, Verwiebe, 44, 33- : — of Central Missouri, Greger, 49, 205; Illinois, Savage, 409, 169; Iowa, Hackberry stage, Fenton, 48, 355; Missouri, Greger, 50, 20; Montana, fauna, Haynes, 41, 375; South- west Ontario, Stauffer, 41, 221; West Tennessee, Dunbar, 46, 732; 49, 307. Diceratheres, American, Peter- son, 50, 390. Dighton conglomerate, Perkins, 49, OI. Dinosaur, Sauropodous, diseased vertebre, Moodie, 41, 520. — tracks at Glen Rose, Texas, Shuler, 44, 294; see Footprints. Dinosauria, Armored, of U. S., Nat. Museum, Gilmore, 47, 236. Dinosaurs, functions of “sacral” brain, Lull, 44, 471. — see Marsh Collections. Echinodetmatam or the U. 'S;; Clark and Twitchell, 41, 221. Echinoidea of the Buda lime- stone, Whitney, 42, 440; Cre- GENERAL INDEX. [16 /GEOLOGY. taceous and Cenozoic, of the Pacific Coast, Kew, 50, 468. Edgewood limestone of Pike Co., Missouri, Rowley, 41, 317. Entelodonts, Troxell, 50, 301, 431. ‘ ocene insects from the Rocky Mts., Cockerell, 50, 169. — Lower, floras of southeastern North America, Berry, 42, 438. — of the Mississippi embayment, Berty,- 41, 222. — Tejon, of California, Dicker- son, 42, 8o. Equidz, Osborn, 46, 770. Esker, Anderson, Reeves, 50, 65. Eusthenopteron, Bryant, 50, 240. Exogyra in the Texas Cretace- ous, Bose, 49, 84. ‘ Fauna, amphibian, at Linton, Ohio, Case, 44; 124; of Chap man sandstone, Williams, 42, 169; Lower Cambrian, Holmia, Norway, Kier, 44, 336; Terti- ary, of Pacific const, ae 332 Fish, Cyprinid from Miocene of . British Columbia, Hussakof, 42, 18; Palzoniscid from So. Dakota, Hussakoff, 41, 347. 243, Fish-remains, Cretaceous and Tertiary, New Zealand, 48, 475. Flora, Liassic, of the. Mixteca Alta, Wieland, 42, 370; of the Morrison formation, Knowl- ton, 49, 189. Floras, Upper Cretaceous, of the World, Berry, 42, 81. Fossil bean, Venezuela, 50, 310. Berry, — Floras of middle Eocene, Georgia, Berry, 43, 208. — footprints from the Grand Canyon, Lull, 45, 337. — fuels, interrelations, Steven- son, 42, 439. — human remains, discovery in Florida, Sellards, 42, 1; 47, 358. — hydrozoan, from Japan, Haya- saka, 445,330: — shells in Boston basin, Morse, 49, 157. Fossils, American, Bassler, 41, 148. —=from Miu; yama, 50, 241. Fulgur, Upper Cretaceous, Wade, 43, 203. Index to, Japan, Yoko- 17] GEOLOGY. Gastropoda, Tennessee, Wade, 45, 78, 334. _ Geologic section of Pennsylva- nia, Butts, 46, 523. Glaciation. See Glaciation. Glaciers. See Glaciers. Green River desert section, Wiaho Pimery, 46,557: Hackberry stage of the Devonian of lowa, Fenton, 48, 355. Headwaters divide of Right Middle Creek, Kentucky, Jill- son, 47, 60. Heterolasma foersti from Michi- gan, Ehlers, 48, 461. Hillsboro sandstone, strati- graphic position, Prosser, 41, 435. Homalonotus, Reed, 46, 771. Hymenza, Cretaceous from Ala- pama, Berty, 47, 65. Hymenoptera, fossil parasitic, Cockerell, 47, 376. Eiypisodts .alacer,, Iroxell;) 40, One eS ancestry of, Tothill, 42, 373: in ‘Burmese! amber, Cock- erell, 42, 135, 44, 360; from Coal Measures of France, Bolton, 45, 78: Eocene, Cockerell, 50, 169. == @tiassic, o1 Australia, 47; 307. feopod, fossil, Chilton, a7, 307. Isostasy. See Isostasy. Jurassic, American, ammonites, Reeside, 50, 240; Fauna, Cuba, Roig, 50, 237. Keokuk beds, geodes of, Van Tuyl, 42, 34. Labyrinthodont, new, weennsy!- Vania Lriassic, Sinclair; 43, 319. | iGavd. oce lava. Lichads, Amer. Ordovician, gen- eric relations, Foerste, 49, 26. | Ligamentum teres in Nebraska Proboscidea, Barbour, 41, 251. Lignite, age of Brandon, Berry, ag. Zit. Limestone, Niagara, Rochester, brecciation in, Giles, 47, 340. Lopolith, Grout, 46, 516. Manzano group, New Mexico, | Mee, 49, 323. Marine faunas, bottom control, Kindle, 41, 449; invertebrates, analysis, Clarke and Wheeler, 43, 419. Mastodon, So. Carolina, Loomis, 45, 438. VOLUMES XLI-L. 495 GEOLOGY. Mesozoic physiography of Rocky Mts., Lee, 47, 78. Miocene bowlders, fossiliferous, Blockwlsiand, Shimer, qr)! 255. Mississippian of Kentucky, Butts, 47, 232708 Ohio;etce., correla- tion of, Verwiebe; 43, 301. Mollusks, Bivalve, of the North- west-Coast of America, Dall, 42, 430. Morrison formation, Mook, 43, 85; Colorado, Knowlton, 49, 189; Lee, 49, 183. Morrow” croup” of Arkansas fauna, Mather, 41, 375. Mountains, block, in New Zea- land, Cotton, 44, 249; 45, 140. Mysticocrinus, Springer, 46, 666. Naiades of Pennsylvania, Ort- mann, 50,242: e Neocalamites, Berry, 45, 445. Neocomian of Argentina, Wind- hausen, 47, 303. Neogene deposits in Venetia, Stefanini, 44, 209. Nutmeg, fossil, from Texas, Berry, 423-242. Oligocene: camel, Troxell)” 43; 381; of Chehalis Valley, pale- ontology, Van Winkle, 45, 334; Felidz, Thorpe, 50, 207. Onaping map area, Collins, 46, 547. Ordovician, Indiana, McEwan, Jo Was tsy — lLichads,\ generic relations, Foerste, 49, 206. — Middle of Pennsylvania, - Field, 48, 403. = othataauereopmie. Baltic basi: Raymond, 42, 437. — Upper, formations in Canada, Foerste, 42, 438. — and Silurian brachiopods, Gir- vyanewaistmacet, . Reed, 435; 34035 Fossils, Index to American, Bassler, 41, 148. Organic remains in iron-bearing Huronian rocks in Minnesota, Grout and Broderick, 48, I90.- Orthophragmina, etc., American species, Cushman, 50, 468. Osteological material from Machu Picchu, Eaton, 42, 86. Paleogeography, Paleozoic, in the Arctic, Holtedahl, qo, 1, 308. 496 GEOLOGY. Paleontologic Contributions, Ruedemann, 43, 337. Paleontology, present tendencies, BerryegAes t- Paleozoic crustal instability in No. Amer., Schuchert, 50, 399. ——tertations, ,of _ Fanniagken; Holtedahl, 47, 70, 85. — of Lake Timiskaming, 50, 203. Palm, from Cretaceous of New Jersey, Berry, 41, 193. Parasuchian from the Triassic of Pennsylvania, Sinclair, 45, 457. Pebbles, unusual method of rounding, in West Australia, Jutson, 48, 420. Pectinide of Texas, Kniker, 47, 234. Pelecypoda, Harris, 48, 308. Pelecypods, new, Cretaceous, No. Alberta, McLearn, ag, 83. Pennsylvanian of Kansas, granite bowlders in, Twenhofel, 43, 363; series in Missouri, Hinds and Greene, 41, 222. Hume, Perisphinctine, orthogenetic de- velopment of the costz, O’Con- nell, 48, 450. Permian in Trans-Pecos, Texas, 47, 79. Permo-Carboniferous red beds of No. America, Case, 41, 219. Phosphates, Florida, Sellards, 41, 299; Matson, 41, 300. ; Plants, fossil, see Plants. Pleistocene deposits, age of, Hay, 47, 361. — MeaeDesert” Island, “Blaney and Loomis, 42, 390. — period, life of, Baker, 50, 170. — submergence in New York, Fairchild, 50, 238. Pliocene history of Mississippi, Shaw, 46, 547. Pliohippus lullianus, Troxell, 42, 335: Portage fauna in the Mackenzie River Valley, Kindle, 49, 84. Potomac formation, coniferous woods, Sinnott and Bartlett, 41, 276. Pottsville formations and faunas of Arkansas, etc., Mather, 43, baa: Pre-Cambrian, Adirondack, AlI- ling, 48, 47. — nomenclature, GENERAL INDEX. [18 GEOLOGY. Pre-Cambrian era, Lawson’s cor- relation, Lane, 43, 42. Schuchert, 42, 75: — and Carboniferous algal de- posits, Twenhofel, 48, 3309. Protichnites and Climactichnites, Burling, 44, 387. Pseudorthoceras knoxense, Girty, 42, 387. Quaternary geology of Wiscon- sin, Alden, 47, 143. Rensselerina, new genus, Dun- bar, 43, 467. Ripples and _ related surface forms, Bucher, 47, 149, 241. Rock tanks and charcos, Bryan, 50, 188. Sail fish from the Virginia Mio- cene, Berry; 43, 40m Sand grains, rounding of, Gallo- way, 47, 270; Kindle, 47, 431. San-Jorge formation in Pata- gonia, Windhausen, 45, I. San Lorenzo series of middle California, Clark, 46, 760. Scranton coal, Colorado, age of, Richardson, 43, 243- list aon fossils, Knowlton, 43, 243. Scyphocrinus, Springer, 44, 337. Sheet-flows, Niagara _ district, West Australia, Jutson, 48, 435. Shells, fossil in Boston basin, Morse, 49, 157. Silicispongiz, Cretaceous, O’Con- jell: Aor 52: Silurian geology of Ontario Pen- insula, Williams, 49, 83; rocks of No. Michigan, Savage and Crooks, 45, 59; strata of Es- thonia, Russia, Twenhofel, 42, 437. Stegosaurus, stenops, Gilmore, 47, 236. Stone Age, men of, Osborn, 41, 217. Strata, determination of depth and thickness, Palmer, 47, 236. Strophomenide of the Kristiania region, Holtedahl, 41, 562. Stylemys nebracensis, Case, 47, 435. | Taconic system schuchert, 47,113. Tejon Eocene of Dickerson, 42, 8o. Terebratulas, Swedish, Hadding, 49, 307. resurrected, California, 19] GEOLOGY. Terraces, marine, in southeastern Connecticut, Hatch, 44, 3109. Wentiary © tatnal horizons. of Washington, Weaver, 42, 81. — formations of Washington, Mueavei, 42. 3375. Of. Porto Rico, Maury, 48, 209. = Mammalian faunas of the Mohave Desert, Merriam, 48, 399. Tetrabelodon osborni, new, Bar- att. AL, 522: Tetracentron-Drimys question, Wieland, 49, 382. Tetracoralla from the Niagaran of Michigan, Ehlers, 48, 461; and Hexacoralla, Robinson, 43, 37. Texas, Llano Estacado, water of, ‘Baker, 41, 373. Ticholeptus PHUStiens. - .etc., jE@ormis, GO; 21. . Timiskaming County, Quebec, Wilson, 46, 547. =ivake,, Paleozoic, iiume,~ 40, 203. 7 Tomistoma americana, Sellards, 42, 235. Tortoise, new, Sellards, 42, 235. Trias of New Zealand, Trech- man, 47, 445. Triassic life of the Connecticut | Walley, Ilitl 41, 147. and. jusassic, Idaho, .Mans- field, 50, 53. Trilobites. See Trilobites. Tumularia, Paleozoic alcyonar- ian, Robinson, 42, 162. Wunmicates >from Sicily, Jackel, 49, 309. Venus mercenaria in Boston basin till, Morse, 49, 57. Vermejo and Raton floras, Knowlton, 47, 74. Vertebrate footprints, Oklahoma, Jillson, 44, 56. — life in the late Paleozoic in No. America, Case, 49, 3006. Wasatch and Salt Lake forma- tions, Mansfield, 49, 390. Geophysical laboratory, Washing- ton, work of, Sosman, 46, 255. — — papers from. See Ferguson, Larsen, Merwin, Rankin, Wash- ington, White, Wyckoff, et al. =—— observations at Burrinjuck, N. Sys, Cotton, 4g, 170. VOLUMES XLI-L. 497 Getman, F. H., electrochemical equivalents, 44, 399; Chemistry, 46, 765. Gilbert, G. K., obituary notice, Davis, 46, 660. Giles, A. W., brecciation in Niagara limestone, Rochester, N. Y., 47, 349. Gill, H. E., phosgenite, 47, 430. Gilmore, C. W., Armored Dino- sauria of U. S. Nat. Museum, 47, 236. Giltner, W., microbiology, 42, 87. Girty, G. H., apical end of Pseud- orthoceras knoxense, 42, 387. Glacial, control theory of coral reels. Daly 4i.175,) As. 130. — modification of drainage, New York, Hatisman, 45, 153. — period, life, Baker, 50, 170. — till, Boston basin, shells in, Morse, 49, 157. Glaciation, Cuzco, Peru, Gregory, 41, 390; Paleozoic, Alaska, Kirk, 46, 511; Pennsylvania, Williams, 44, 83. Glasgow University, geological publications, 42, 503; 45, 334. 'Glass Mts., Texas, geology, Ud- den, 47, 307- Gleditsch, E., life of radium, 41, ey Glenn, M. L., melanterite and chal- canthite groups, 50, 225. Goff, E. S., Plant Culture, 42, 284. Gold deposition in the Bendigo gold field, Stillwell, 47, 388. Goldschmidt, V., Atlas der Krystall- formen, 50, 397; Krystallographie and Mineralogie, Beitrage, 50, 308. sis, 41, 204; electrolytic analysis, 43, 391; platinized anode of glass in the electrolytic determination of manganese, 44, 53; per- chlorate method for determina- tion of alkali “metals, ‘44, 2381: determination of thorium, 45, 227; of fluorine, 45, 370; deter- mination of vanadic acid, 46, 427; barium and strontium, separa- tion, 46, 538. Goodale, G. L., development of botany since 1818, 46, 399. Grabau, A. W., Geology of Non- Metallic Mineral Deposits, 50, A468. Gooch, F. A., Quantitative Analy- | gt as 498 Grand Canyon, Cambrian, Schu- chert, 45, 362;°-Carboniferots, Schuchert, 45, 347; fossil foot- prints, -ouil, "45, 337; . story Ol, Darton, 44, 158. Granite bowlders of Kansas, Twen- | hotel, 43, 3632 46, 132; Powers, 44, 146. — see Rocks. GENERAL INDEX. [20 Hatschek, E., Chemistry of Col- loids, 41, 3683, 48, 100;, 5a," 73; forms:: assumed by drops and vortices, 47, 383. Hausman, L. A., glacial modifica- tion of drainage within a narrow ‘area, 45, 153. Hatiy, Abbé, 45, 326. |_Hawaii, Bishop Museum, 4g, 156. Gravitation, possible limit to, Very, | 48, 33. . — and relativity, Woolard, 45, 425. —— and Wsostasy,, BoOwile,. 43% 240. Greger, D. K., Devonian of Central Missouri, 49, 265; 50, 20. . Gregory, E.. seology, oi“ tie Cuzco. Valley, Peru, ar, 1; ogy of the Navajo Country, 45, 145;. progress in interpretation geol- | of land forms, 46, 104; co-opera- | tion in geologic instruction, 47, | 281. Hazard, ‘D.” €., Grout, F. F., lopolith, 46, 516; or- in ganic remains iron-bearing Huronian rocks in Minnesota, | 48, 109. : Gruenberg, B. C., Biology, 48, 477; | 49, 84. Guppy, H. B., fossil botany in America, 49, 372. H Haas, P., Chemistry of Plant Pro- ducts, 45, 242. Hackh, I.. W. D., modification of the periodic table, 46, 481. Hague, Arnold, biographical notice, Diller, 44, 73. Hale, A. J., Electrolysis in Chem- ical Inditstry. 475 165. Hale, G. E., National Academies, 41, 225. Hale, W. J., Chemistry, 44, 399. Hall, W. T., Chemistry, 42, 74. Hamor, W. A., phosgenite, 47, 430. Hanna, G. D., Geological Notes on Pribilof Islands, 48, 216. Hare, Robert, Life of, Smith, 44, 76. Harper, L., F., uplift_on coast of New South Wales, 44, 48. Harris, G. D., Pelecypoda, 48, 308. Harshberger, J. W., Mycology and Plant Pathology, 45, 335. Harvey, E. N., Animal Light, 50, 474. Hateh, {L:; Southeastern 310. in 44, marine terraces Connecticut, — lava from Mauna Loa, 1016, Jaggar, 43, 255. eee petrology, Powers, 50, 256. '— selensulphur, Brown, 42, 132. — see Kilauea, Mauna Loa, Mo- kuaweoweo. Hawk, P. B., Physiological Chem- istry, 42, 70; 47, 148. Hawkins, A. C., geology of Rhode Island, 46, 437; 47, 308. Hay, O. P., relative ages of Pleis- tocene deposits, 47, 361. Magnetic ‘Tables and Charts for 1005, 45,220: Heart, Starling, 45, 424. Heat of formation by combustions with sodium peroxide, Mixter, 43,..27;°. specific... “ol = siigeates White, 47, 1; at higher tempera- tures, White, 47, 44. Hébert (1857) on periodic sub- ' mergence of Europe, Schuchert, 43, 35. Hedrick, E. R., Logarithmic Ba- bles, 50, 467. Hegner, R. W., Zoology, 41, 150. Helium, hydrogen and mercury, ultra-violet spectra, Richardson and .Bazzonm 45s 73. — lines, broadening of, Merton, 47, 385; in the ultra-violet, Ly- man, 49, 81. Helvetica, Chimica Acta, 46, 480. Henderson, Chemistry, 45, 233. Henderson, W. D., Physics, 42, 500. Hering, C., electrochemical equiv-. alents, 44, 390. Herrick, C. J., Neurology, 45, 485. Herrick, F. H., Audubon, the Nat- uralist, 45, 150. Herschel, Macpherson, 50, 395. Hess, F. L., tactite, product of con- tact metamorphism, 48, 377. . Hildebrand, J. H., Chemistry, 46, 614. Hill, D. W., solution of metals in ferric salts, 42, 301; solution of _ silver in chromic acid, 45, 54. Hill; T. Ga" Chemistry “nr Piawe Products; 45, 242: 21] Hillebrand, W. F., Analysis of Sili- cate. and Carbonate , Rocks, <49, Hillsboro sandstone, Prosser, 41, 435. Himalayas, structure of, Oldian, 45, 76. Hindu Achievements in Science, Sarkar, 47, 230. Hogshooter gas sand, Berger, 48, 180. Holleman, A. F., Inorganic Chem- istry, 43, 80. Holm, T., Studies in the Cypera- | Coe me Noe \ Il ae AS, 172 - NO. Dey Ii 4g, 1055. no. XIX, 49, 429; no. XXX, 50, 159. Holmes, S. J., Animal Biology, 47, 300. : ~Holtedahl, O., Paleozoic forma- tions of Finmarken, 47, 70, 85; Paleozoic paleogeography in the AYCtIC, 49, I, 308. Hommel, W., Petrography, 50, 75. Honess, A. P., etching figures of beryl, 43, 223; etching figures of the dihexagonal alternating type, AG 201. Hood, G. W., Horticulture, 41, 381. Hooker, Sir Joseph D., Life by F. O. Bower, 50, 78. Hopewell-Smith, A., Histology of the Mouth, 46, 480; 47, 148. Horse, early Pliocene one-toed, Froxell, 42,335. Hough, G. J., cocinerite, 48, 206. Houstoun, R. A., Theory of Color Vision, 42, 433. Huff, W. J., estimation of phos- phorous, etc., acids in mixture, 45, 91; hydrolysis, etc., of hypo- phosphoric acid, 45, 103; prep- gon of hypophosphates, 46, 507. Hulett, G. A., water content of coal, 43, 890; moisture content of typical coals,:45, 174. Human Body, McMurrich, 41, 225. — remains, fossil, in Florida, Sel- lards, 42, 1; 47, 358. — Skeleton, Walter, 47, 81. Hume, G. S., Paleozoic outlier of Lake Timiskaming, 50, 203. Hunt, W. F., melanochalcite, 21. Huntington, E., World Power and Evolution, 48, 396. Huronian, Minnesota, Al, organic VOLUMES XLI-L. 499 structures in, Grout and Brod- erick, 48, 199. Hussakof, L., Palzoniscid fish from South Dakota, 41, 347; new Cyprinid fish from British Co- lumbia, 42, 18. Huxley, T. H., Physiology, 41, 151. Hydrogen, oxygen, etc., molecules of, Silberstein, 43, 330. — Specticee (otaGi Ak 405- —.9ee CHEMISTRY. Hyman, L. H., Zoology, 49, 84. a Ichikawa, S., Japanese minerals, 42, LIN; 44, 63; 48, 124. Idaho, phosphate field, Mansfield, BOu sac. VWasatch, atid: Salt lake formations, Mansfield, 49, 399. Iddings, J. P., densities of igneous rocks, 49, 363. = Owleuaty, 504.310: Illinois Coal, Parr, 41, 225. — Devonian, Savage, 49, 160. — geol. survey. See GEOL. RE- PORTS. — waters of, chemical survey, 44, 160. - Inbreeding and Outbreeding, East and Jones, 49, 385. Index, Book Review, 49, 2206. — Industrial Arts, 49, 455. India, Board of Scientific Advice report IQI4-I1915, 42, 284; I1915- 1916, 45, 239; 1916-1917, 47, 240; 1917-1918, 49, 388; 1918-1919, 50, 8 jie — Geology, Wadia, 49, 219. — See Hindu. Indices, refractive, new method of determining, 42, 408. See unipolar, Kennard, 43, ideal Arts Index, 49, 455. Insects, Connecticut, Viereck, 44, 83. See GEOLOGY. Insurance and Annuities for Teach- ers, Pritchett, 42, 160. Interference of reversed spectra, Barus, 41, 414; fringes, rotation, Barus, 42, 63. Interferometry, spectrum, Barus, 41, 414; 42, 63, 402; 43, 145. Invertebrate “Types, Morphology of, Petrunkevitch, 43, 421. Ionium from uraninite, Gleditsch, Aen eoten 5. 500 ; Ionization of acids, Drushel and Pelty,..43,-57- — of iodide solutions, Van Name and Brown, 44, 453. Ions and electrons, motion of through gases, Wellisch, 44, I. — and lonizing Radiations, Crow- ther, 49, 381. — recombination by X-rays, Jaun- cey, 42, 146. Iowa, Devonian of, Hackberry stage, Fenton, 48, 355. — geol. survey. See GEOL. RE- PORTS. Iron ore in Wisconsin, Savage and | Ross! 4b 1o7. Isostasy, mathematics, Chamber- lin, 49, 311; MacMillan, 49, 318. — nature and bearings, 48, 281; status of theory, Barrell, 48, 291. — and coral reef problem, Molen- | graaf, 44, 153. — and gravity, Bowie, 43, 249. — and the planetesimal theory, ‘Chamberlin, 42, 371. Isostatic compensation, distribu-. tion of, Bowie, 43, 471. Isotopes, spectra, Merton, 49, 80; melting points, 50, 314. Isotopic lead, Clarke, 46, 764; Rich- | ards, 47, 224; separation, Rich- | ards and Hall, 43, 400. 1} Jacoby, H., Navigation, 45, 74. Jasear, 2: As, lava “How. tren Mauna, Loa, 1016, 43, 2553 -vole| canologic investigations at K1- lauea, 44, 161. Jamieson, G. S., cesium chloride, 43, 67; gen peroxide determination, 150. double salts of Japan, minerals from, Ichikawa, 42, | TI1; 44, 03; 48,-124. — Operculina, Yabe, 47, 8o. — Ophiuroidea, 44, 404. — Tarumai dome, Simotomai, 44, | 87. — Sakura-jima Eruptions, 1914, 43, 338. eae Japanese Earthquake Commission, 42, 84. Jauncey, G. E. M., effect of mag- netic field on recombination of ions by X-rays, 42, 146. Jeans, J. H., Cosmogony, 49, 150. GENERAL INDEX. hydro- | 44, [22 Jeffrey, E. C., Anatomy of Woody

220- = Wexas AT. 224. See S Islands, Phillips, — — GEOL. REPORTS, Mineralogia, d’Achiardi, 41, 377. Mineralogic Notes, Schaller, 42, 85. Mineralogist, American, 47, 147. Mineralogy, Descriptive, Bailey, 44, 486; Determinative, Lewis, 41, 149; Elements of, etc., Moses and Parsons, 43, 420. — Australian, Bibliography, derson, 43, 330. — of Black Lake Area, Quebec, Poitevin and Graham, 46, 479. — Growth, 1818-1918, Ford, 46, 240. Minerals, Madagascar, 43, 174. An- — Manganese, San José, Calif., Rogers, 48, 443. — opaque, determination, Mur- doch, 42, 85. — radioactive, density of lead from, Richards and Wadsworth, 41, 203. — synantectic, Sederholm, 43, 338. — of the Ural Mts., 43, 174. — of Utah, Means, 41, 123. — tear-figures, Kuhara, 47, 448. MINERALS. Adamite, Utah, 41, 125. Akerman- ite-gehlenite system, 50, I3I. Albanite, 41, 567. Alumogel, 41, 507.. Ambatoarinite, 41, 567. GENERAL INDEX. | [26 MINERALS. Amesite, 49, 96. Aneglesite, Idaho, 47, 287. Anhydrite, 42, 233-. Apatite, Maine, 44, 245. Apthitalite, California, 49, 367. Aragonite, and other forms of CaCO: Sai. aoe Arsenic, native, Japan, 42, 117. Arseno- bismite, 41, 127, 567. Asbestos, Quebec, 44, 156. Augite from British »Coltimbia “%4es eae Stromboli, 45, 463. Aurobis- muthinite, 41, 567. Backstromite, Sweden, 49, 452. Barite, Calif., 48, 443)" Basset ite, 41, 567. Belbaite, 41, 567. Beryl, etching figures, 43, 223. Bilinite, 41, 568. Bismite, Utah, 41, 126. Bismutite, Utah, qr, rae Bismutoplagionite, 49, 166, 452. Bornite, composition, 41, 409. Butschliite, 41, 568. Cacoclasite, Quebec, 48, 440. Calcite, etchings, 45, 221; Japan, 42, 113; 48, I2A= Telatiwou to other forms of CaCOs, 41, 478. Cancrinite, —stilphatic, ~~ Cole- tado, 42, 332, 505; Optical enan- acter, 43, 420. Carnegieite, 43, 115, Carnotite, radium from, 41, 214. Catoptrite, Sweden, 44, 484. Chalcanthite, Colorado, 50, 228. Chillasite, “arsee: Chubutite, Argentine, 47, 446. Cleveite, Norway, 42, 365. Cobalt sulphates, 50, 229. Co- cinerite, Mexico, 48, 200.5 4G. 452. Colerainite, Quebec, 45, ATS; Os 470: Collbranite, Korea, 45, 477. . Cosette aa Ago. Cordierite, Japan, 42, I15. Covellite, 43, 184. Crandallite, 43, 60, 493. ..Creedite, C€Colo- rado, 42, 504. Crestmorcite, 44, 486. Cristobalite, Califor- nia, 45, 222; melting point, 46, AI7. Daubréeite, Utah, 41, 126. Den- drites of manganese oxides, 44, 67... Diabantite, 423 234 lea mond, dispersion, 47, 441; So. Africa, 47, 238, 448; in 1919, 50, 472. Diasporogelite, 41, 56 Doelterite, 41, 568; Dufreni- beraunite, 41, 568. Dyscrasite, Australia, 49, 278. Eakleite, California, 43, 464. Echellite, Ontario, 49, 452. Ectropite, Sweden, 44, 484. VOLUMES XLI-L. 27] MINERALS. Elbaite, 41, 568. Emeralds, Colombia, 42, 85. Epsomite, Halloysites, 46, 638. Euxenite, Ontario, 44, 243. Famatinite, Nevada, 44, 460. Fetrazite(!), 48, 3533; 49, 452. Ferri-allophane, 41, 568. Fer- rierite, British Columbia, 47, 448. Ferroludwigite, 43, 494. Flokite, Iceland, 44, 485. Francolite in meteorites, 43, 322. Furndcite, 41, 568. Galema,. Japan, 42, rit., Gan- ophyllite, Calif., 48, 443. Gar- fiet crystals, 44, 63. -Gavite, AQ, 452. Gehlenite, .43,. 476; 50, 131. Geocronite, Utah, 41, 125. Geraesite, 4%, 569. Gil- Minte—o. © OlOfado,:...45, 477. Goethite, 47, 341. Goyazite, 41, 359; 43, 163, 420. Graphite, Adirondacks, 47, 145. Griffith- ite, 43, 494. Grossouvreite, 41, 569. Gypsum crystals, 44, 65. so-called, 43, 140. miaimiinite, At) 350; 43, 163. Hatusmannite, Calif., 48, 443. Heliodor, 41, 569. Hibbenite, bBeiish — Columbia, 42, 275. Hogbomite, Lapland, 47, 446. Holmquistite, 41, 569. Hydro- zincite, 42, 59. Ivaite, Idaho, 45, 118. Jarosite, Utah, 41, 126. = Kalbaite, Magnesioludwigite, 560. ae 16. Kaolinite, -48... 353. Katoptrite, 44, 485. Ktypeite, 41, 489. Kundaite, 41, 5609. 4, Lechateliérite, 41, 569. Leifite, Greenland, 42. S04; ~ a7, 447. Lepidocrocite, 47, 345. Leu- Cite. 43, fl7. 50, 33... Lamoniite, New Mexico, 47, 344; pseudo- morph, 42, 233. Lorettoite, 43, 494. Lublinite, 41, 490. 43; Magnesite, etchings, 45, Manganfayalite, Sweden, 452. Margarosanite, New Jer- sey, 42, 159, 505; Sweden, 44, 485. Melanochalcite, 41, 211. Mel- aitenire, Colorado, | 5O,°. 225. Melilite,- 43, A476. Mefrillite, 44, 486. Metatorbernite, 41, 5690. Mimetite, artificial, 42, 139. Minasite, 41, 560. Mul- lanite, Montana, 45, 66, 478. 404. Natrolite, British Columbia, 42, Kaliophilite, | 215. | 49, | | | Racewinite, Utah, 47, A447. Schernikite, “ Sphalerite, Tephroite, Calif., 48, 443. Zebedassite, Italy, 47, 447. D095 MINERALS. 472. Natromontebrasite, 41, 569. Natumannite, Idaho, 50, 3900. Nephelite, composition, CLG" Asbo lor. Oliveirnite; Brazil, 47, 126, 447. Oruetite, Spain, 49, 452. Or- villite, Brazil, 47, 126, 447. Paredrite, a1, 356, 569. Periclase, California, 46, 581. Phosgenite, 47°a30: *Painite;: Japan,*42P 715. Platinum= an * *191Qf 502-477. P&silomelatie, Calif. a8): 443. Pyrite, 43, 188. Pyrobelonite, Sweden, 49, 453. Pyrochroite, Calif., 48, 443. Pyrolusite, 44, 76. Pyromorphite, -43, °325. Pyrrhotite, 43, 180 i Rho- 45, 216; Riversideite, 44, 41, 569. Selensul- phur, Hawaii, composition, 42, EB2. Serpentine, 46, 603. Siderite, etchings, 45, 216. Smithsonite, etchings, 45, 217. Sobralite, Sweden, 49, 453. Spencerite, British Columbia, 42, 275, 505; 43, 494; 44, 486. Japany oogSe. ot2A. Sphenomanganite, Sweden, 49, 453. Stibiobismuthinite, 41, 569. Stichite, 46, 479. Sulpho- halite, California, 49, 76. Tha- Tin deposits, Torbernite, 46, 417. 45, 478. dochrosite, etchings, Calif., 48, 443. 486. nite, 41, 560. Virginia, 45.477. 48; “105; Ferdyanite, Tungstenite, Utah, Turgite, 47, 345. Uranospathite, 41, 560. Vaterite, 41, 486. Vegasite, 4I, 570. Villamaninite, Spain, 49, ASS: aes Wavellite, 48, 353. Winchellite, AI, 570. Wollastonite and the ternary system, 48, 165. Zinc- blende, Japan, 48, 124. Zinc ores, genesis of, St. Lawrence Coc N= Wea 345 2 eat iE _ptatinite, 41.570. | Mines, Canada Bureau of, publica- fifth, seventh, 45, 79; tions, 41, 467, 469; 42, 84; 44, 81; 46, 477. U.S. Bureau of, annual reports, AX; AAO, oiktn," Ag.) OO; eighth, 47, 143; 506 : GENERAL. INDEX. — [28 ninth, 49, 153; publications, 42,| Colorado type section, Lee, 49, 83; 44, 80; 45, 80, 476; 48, 775 | 183. 49,.450; 50, 470 Morro Hill, ais lavas, Waring, Mining World Index, Vol. VIII, | 44, 08. 42, 90. Morse, E. S., living lamellibranchs Minnesota geol. survey, 49, 383. of New England, 48, 477; fossil — Pigeon Point geology, Daly, 43,,_ shells in Boston basin, 49, 157. 423. | Moses, A. J., Elements of Min- Mirrors, Prisms, etc., Southall, 47, _ eralogy, etc., 43, 420. 222. Motion, law of dissipation, Jonson, Mississippi embayment, erosion in- __45) 578. tervals of, Berry, 41, 222. Moulton, F. R., Astronomy, 43, 17. —.-geology, etc., Lowe, 41, 375. Mouth, Histology, Hopewell- Mississippian, correlation, Ver- Smith, 46, 480; 47, 148. — wiebe, 43, 30T. Mt. Desert Island, Pleistocene | locality, Blaney and Loomis, 42, Missouri cherts, formation, Dean, , 45, 411; Devonian, Greger, 4g, | Me Rainier Meany, 43, 417. EN Aeon Sevens ae Le Mulliken, S. P., Identification of » i 7; tei ee te Organic Compounds, 42, 1606. CONEY ia Ae : ‘Munroe, C. E., sand tusiens, from Mitchell, C. A., Edible Oils and. Suh eee on 43 380 Fats, 46, 615. 'Murchison Medal, London Geol. Mixter, W. G., thermochemistry Sr = of silicon, 42, 125; calorimetry | ince. se 47 by combustions with sodium ‘ Per oxide,- 42; -27. Model Drawing, Wright and Rudd, 43, 332. Mohave Desert, Tertiary Meant lian faunas, Merriam, 48, 399. determination of opaque minerals, 42, 85. Musical Sounds, Miller, 41, 561. | Muter, J., Chemistry, 44, 400. Mokuaweoweo, Eruption of 1914, N Wood, 41, 383. : . |Napier Tercentenary Volume, Molecular currents, Ampere, Ein- Knott, 42, 80. stein and de Haas, 41, 558. | Narragansett Basin, Dighton Con- Molecules, influence of finite vol-| ojomerate, Perkins, 49, 61. ume on equation of state, Shaha! National Museum, U. S., report, 41, and Basu, 47, 73. 378; Catalogue of meteorites, 42, Molengraaff, Coral reefs and isos-| 83. tasy, 44, 153. ; ; —. Physical Laboratory, 43.240: Molinari, E., Inorganic Chemistry,|__ Research Council. See Re- 59, 73. search Council. Montana, Devonian fauna, Haynes, | Naturalist, Diversions of a, Lan- 41, 375; geology and economic] kester, 41, I5I. deposits, Rowe and Wilson, 43,| Nature, Jubilee number, 49, 86. 401. Nature Study, Biological, Down- Moodie, R. L., diseased vertebrez ing, 48, 162. of a Sauropodous dinosaur, 41,| Navajo Country, geology, Gregory, 529; Coal Measures amphibia of| 45, 145. North America, 42, 502. Navigation, Jacoby, 45, 74. Mook, C. C., Morrison formation, | Nebraska, alkali resources, Bar- 43, 85. bour, 43, 491; new mastodon, Moore, C. R., Embryology, 49, 222. Barbour, 41, 522; Proboscidea, Morgan, G. T., Arsenic and Anti- Ligamentum teres in, Barbour, mony, 46, 615. AT 25%, Morphology and Anthropology,| Nebula to Nebula, Lepper, 47, 386. Duckworth, 41, 564. Negro Education, Jones, 44, 487. Morrison formation, dicotyledon-| Nelson and Hayes Rivers, geology, ous flora, Knowlton, 49, 180; Tyrrell, 43, 85. 29] Neocalamites, Berry, 45, 445. Neon, atmospheric, constitution, _ 49, 445. : } Nephelites, sodium-potassium, Bowen, 43, II5. Nernst, W., Theoretical Chemis- try, 43, 486. Nevada, genesis of ores at Tono- pah, Bastin and Laney, 48, 246. Neville, H. A. D., Practical Chem- istry, 49, 376. Nervous Impulse, Conduction of, Lucas and Adrian, 45, 335. — System, Involuntary, Gaskell, Aeye7; Parker, 47; 452. Nervousness, Mastery of, Carroll, 45, 241. Neurology, 45, 485. New Jersey, palm, Berry, 41, 193. Newman, H. H.., Vertebrate Zool- ogy, 49, 384. Newman, L. F., Practical Chemis- try, 49, 376. ; ‘ New Mexico, ammonoids, Bose, 49, 26; geology, Lee and Knowlton, 47, 74, 142; Luna County, Darton, 42, 82; Manzano group, Lee, 49, 323; trusives, Semmes, 50, 415; strati- graphy of Eastern, Baker, 99; -lertiary intrusives Semmes o.,.-50;. A415. New South Wales, Burrinjuck, geo- Herrick and Crosby, VOLUMES XLI-L. Pecos Valley, Tertiary in-| 49, physical observations, Cotton, 43, r7G:- uplit on coast, Harper, 44, 48. | | New York State Museum, paleon- | tologic contributions, Ruede- mann, 43, 337; reports, 251; 13th 46, 545; 14th 49, 151. New Zealand, block mountains, Cotton, 44, 249; 45, 149. — Cretaceous faunas, Woods, iS: 45, 12th 43, | | — Cretaceous and Tertiary fish-_ remains, Chapman, 48, 475. — geol. survey. See GEOL. RE- PORTS. — Institute of Science, 474. ——trias, Jrechman,. 47, 445. — vegetation of Lord Howe Is., Oliver, 45, 148. Nickel Deposits, Miller and Knight, 45, 239. Nitrates, Chili, 49, 208. Nitrogen and oxygen, electric reso- lution, Yoshida, 47, 443. 1919, 48, 507 Nomenclature, pre-Cambrian, Schu- chert, 42, 475. North Carolina geol. survey, 48, 7°. ; . Northrup, E. F., Laws of Physical Science, 44, 70. Northwest and Northeast sages, 1576-1611, 471. Norway, geology of. Finmarken, Floktedanl ag. 70,55: Norwegian Arctic Expedition, seolkoreport, Holtedaht, as): 333; 50, 160. Nova Scotia, Arisaig Silurian, Learn, 45, 126. Noyes, W. A., Organic Chemistry, 43, 81; 49, 444. Pas- Alexander, 41, Mc- 0. OBITUARY. Abbe, Cleveland, 42, 509. Aitken, J52.49,.-00. - Assheton; R. at, i52.6 Atkinson; G. PF. 47; 8A. Backhonse, "ka “W560, 82. Baeyer, A. von, 44, 338. Baird, JB Sage Asda ve Barcell: fs Rs At 220 2 isatnell. |. ae ASA: 48,250: hastian, Ho Ce ar, 152: Becker, G. F., 47, 390; 48, 242. Beeber We ae esto. . Belfi R. 44; 330: Blakey JM. 56, 316. Blanchard, R., 47;°454. Bou- chard 6. | .at, t52- Brashear, je 7 Ag) acer i Braunt f:, 48: 402: Buchners 1 “44% 338. Cairmes;: * Dek SAA 338: Chappuis, Pear, 382. -Choftat, NOW 4S: 250" Clarks W. By, Aq, 247—, “CLOOKES, “Size We, Ay, 454. Danne|i"47. 454. Darboux,..J. 343; 407. Debus; -His ar. 306. DeCandolte Ay PR rojes...De- prez, M., 47, 240. Derby, O. A., At wensos=" Dresser, setas Ee 4x, 226—" Drysdale sei We, aa, (338. DuBois, Ee Ee junG” 47)" 240. Duhem,.. P42, 500. Hastman: Go Ro 46; 602. Filiot, Do G., 4rs 3062" Ellis; AV: 43, 174. Farlow, W. G., 48, 80; 49, 87. Galitzin, « Primeegn 42, 372: Gautier, Armand, 50, 308. Gerard; -E., 41, 472. Gilbert, 508 OBITUARY. | G. K., 45, 485; 46, 669. Greg- ory, i: Pay. TAS: | Haeckel, E. H., 48, 250. Hague, | Arnold, 43, 497; 44. 73. Hau-| ren, 1. D du, 50, 474. Haves, | Co Was, 382 Heckel sae saes 472. Hidden, W. E., 46, 480. | Hileard, Ey W:,.41;.226-. “elsade. G. J. 455° 485. Bitcheordk es H., 48, 478. Holden, C.F... 43, 152. - Hopkins, C: G.n48. 4785) Hiutghes,, «02. * Mick | 447. 10: Hull, Edward, 45, 80. me iddings; 4< /P2 180, 316.7. Aryans 1 19 46,2550. = | Jones; fi: Cs. an, 472 Judas ge W 5 at, 472. “julien, A A ages Asa.) Jungiesce,.- B., . 42, sor" Jungersen, H. F. E., 44, 86. Kennedy. H. T., 44, 160. Lambe, —L2 3MS-4a7) 4542). Ean worth, C., 49, 389. Lebour, G. | Ac, 45, 424. Loettsyok. «Ac eas 424. Lignier, O., 42, 90. Low- | ell, P., 42, 500. | Maclaurin, R. C., 49, 156. Ma-| coun, J. M., 49, 455. Mark-| ham, Sir -C: R44, -262. .Mas=| see, G., 43, 497. Messel, R., 49, 455. Metchnikoff, E., 42, 170. | Miller, N. H. J., 43, 342. Mo- bers... Cs ar,-306. .Mohasid:. 43, 88. Moses, A. J., 49, 380. Oliver. 3:43) 174~- Osler. St Wm., 49, 156. Pavlov, U.P at,332. --Pearsem He He We, 43,50. Peary, ee E349, .226.... Peckham,-S- 2, 46, 620.. Pedler, A., 46, 480. Pfeffer, W., 49, 455. Phillips, W: B.,. 46; 602. - Pickering, F CA 240 oP ir eson. aay ao 86; §0,-173-.. Prosser,,.G. 5.42 272... Pundie.. 1. Aa .a42. Ramsay, Sir W., 42, 170. Rath- bun, R.. 46, 620. \- Rayleigh, | Lord, 48, 249. Raymond, R. W., 47,148. Reid, C., 43,174. Rhys, Sir. |.,,AT; 300:,- Richards. ©. b. Ay, 454. dkachares fh Ua veeaae A72. “Ricketts, Peodek age o4- Roscoe, Sir ds at ee Royce, J., 42, 372. Rutcker, Sir Tx. Ad, £52: Sabine, W. C.. W., 47; 390." Sara-| sin, E., 44, 338. Schwalbe, G., | 42, 372. Schwarzschild, K., 42, | fs 372. Seliemann,- G,, 50, 172. | GENERAL INDEX. [30 OBITUARY. Smith, H. H., 47, 30g ‘Seace well, J. N., 50, 308. Stone, G. H., 44, 86: Strutt) 2 ye ae 249. Stuart, T. P. Alaa. eee Sylow, L., 47, 390. Thompson, S. P.,” 4@G6. ae deman, R. H., 43, 407. Torn- quist, S. L.,. 50, 474.0) anaes W. H., 48, 478. Trowbridge, C. C., 46, 550. “Turner Siese 41, 382. Van Hise, C. R., 47, 94. Vasseur, G., 41, 152. . Vauehan, Wawa 226. Von Bardeleben, K. H., 47, 454. Watson, W., 47, 390. Watts, W. M.,. 47, 240, Whithiaw oho ee 49, 226. ‘Willianis, eas oes 550. Williston, S. W., 46, 620; 47, 220. Worthen, G. Clas 454. Worthington, A. M., 43, 174. Wright, Aw We same 361. Wrightson, J., 43, 174. Zeiller, C. R., 41, 226. Observatory, Allegheny, tions, 41, 306; 45, 336: — Cincinnati, 45, 336. — Melbourne, 45, 336. publica- '— U. S. Naval, publications, 41, 300. — Yerkes, publications, 45, 472; 49, 225. Oceanica, continental fracturing and diastrophism, Schuchert, 42, Ol. Oceanography, Buchanan, 49, 217; Italian investigations, 45, 335- O’Connell, M., costz in the peri- sphinctine, 48, 450. Ohio, Berea formation, Verwiebe, 42, 43; Building Stones, Bow- nocker, 41, 224; geologic map, Bownocker, 50, 239. Oil Fields, Mid-Continent, worth, 49, 450. Oil Geology, Ziegler, 45, 423. Oil and gas resources of Kentucky, iilson, 4G, 152° Oils and Fats, Mitchell, 46, 615. Oklahoma, Hogshooter gas sand, Berger, 48, 180. Oldham, R. C., Structure of the Himalayas, 45, 76. Ontario Basin, Study of, Coleman, 44, 351, 487; Peninsula, geology, Williams, 49, 83; shore-line, origin and age, Spencer, 43, 351. Bos- 31] Ophiuroidea, Japanese, Matsumoto, 44, 404. Optical contact of glass by heat, Parker and Dalladay, 43, 411. Ordovician, Madison, Indiana, Mc- Ewan, 50, 154. Oregon Cascades, geology, Smith, 46, 540. _ =—Haatolatian cherts, Smith, 42, 209, 504. . Oreodonts, Loomis, 50, 281. Organic Compounds, Identifica- tion, Mulliken, 42, 166. Organism, Unity of, Ritter, 49, 220. Osborn, H. F., Men of the Old ptome Age, 41, 217; Origin and Ewolution- ef. Lite, 45, 77; Equi- de, 46, 770. Osteological Material from Machu Ricehy, Eaton, 42, 80, 281. Ostwald, W., Colloidal Chemistry, Aen 2055 47, 220: Ozark Highland, Missouri, geog- raphy, 49, 219. zone, Vosmaer, 42, 432; absorp- tion bands, Fowler and Strutt, 45, 143. — and ultra-violet transparency of ie atmospluere, Strutt, 46, 543. P Pacific Islands, problems, Daly, 41, 153. — volcanic domes in, Powers, 42, 201% Page, L., a century’s progress in physics, 46, 303. Paleobotany, Seward, 49, 223; Guppy, 49, 372; Wieland, 49, 382. Paleogeography, Arldt, 50, 238; in the Arctic, Holtedahl, 49, 1, 308. — See GEOLOGY, Cycads, etc.; also Plants. Paleontology, Davies, 50, 467; von Zittel and Broili, 44, 336. — Invertebrate, Woods, 50, 170. _— present tendencies, Berry, 48, I. — vertebrate, development, Lull, 46, 103. ) Paleozoic diastrophism, Schuchert, 50, 339. fe — of Lake Timiskaming, Hume, 50, 203. — See GEOLOGY. Palmer, H. S., determination of depth of strata, and projection -of dip,-47, 236. VOLUMES XCLI-L. 509 Parker, 47, 452. Parsons, C. L., Elements of Min- eralogy, etc., 43, 420. Passivity, electron theory of, Dean, 47, 123. Pasteur, History of a Mind, Du- claux, Smith and Hedges, 50, 80. Patagonia, San-Jorge formation, Windhausen, 45, I. Pearl, R., Genetics, 41, 370. G. H., Nervous System, -Pearson’s method for arsenic de- termination, 48, 301. Peat in Wisconsin, Huels, qr, 22 Pebbles, rounded, Australia, Jut- son, 48, 420. Pennsylvania, geologic section, Butts, 46, 523; Middle Ordo- vician, Field, 48, 403; oil and gas map, IQ15, 42, 84. Periodic table, modification, Blackh: 46, 481. Perkins, E. H., Dighton conglom- erate of Mass. and Rhode Island, 49, OI. Percent eae lana eruption Stromboli, 1915, 42, 443. Perry, H., Theories of Energy, 45, AIQ. Peru, Andes of, Bowman, 43, 416; Cuzco, geology, Gregory, 41, 1; Indians of, Ferris, 43, 3390; osteo- logical material from Machu Picchu, Eaton, 42, 86, 281. Peters, C. A., succinic acid as a standard, 41, 244. Peterson, O. A., American Dicera- theres, 50, 396. Petrography, Hommel, 50, 75. Petroleum Handbook, Andros, 49, 214. Petrology, Weinschenk and Jo- hannsen, 43, 173; Hawaiian, Powers, 50, 256; rise of, Pirsson, 46, 222. Petrunkevitch, A., Morphology of Invertebrate Types, 43, 421. Pharmacognosy, Kraemer, 41, 380. Philippine Islands, mineral re- sources, 1914, 41, 224; Journal of soctence dindexi ag “424. of Phillips, A. H., new zinc phos- phates from British Columbia, 42, 275; new forms of natrolite, 42, 472; vanadium in sedimentary .rocks, 46, 473. Phosphate deposits of Florida, Sel- lards, 41, 299; Matson, 41, 300. o10 2 Phosphates of the Western United States, Mansfield, 46, 591. Phosphorus, geologic role, Black- welder, 42, 285. Photographic phenomenon, 49, 146. Physical Science, Laws of, North- rup, 44, 79. — Tables, Smithsonian, Fowle, 50, 466. Physics, a century’s progress, Page, | 46, 303. — Experiments in, Franklin and MacNutt, 46, 618. — General; Crew, 42, 501; Frank- lin and MacNutt, 43, 168. — Measurements, Ferry, 47, 138. — Molecular, Crowther, 48, 473. — Practical, Millikan and Gale, 50, 304. - — Problems in, Henderson, 42, 500; Masius, 44, 404. — Technical, Anderson, 47,2295 Arnold, 42, 437. — Textbook, Duff, 42, 4306. Physiology, Chemical, Cramer, 46, 549; Elementary, Huxley, 41,| Ts 1- Phytopathology, Whetzel, 46, 549. Pidduck, F. B., Electricity, 42, 79. Piedmont terraces of Appalachians, Barrell,-40; 227,327; AG7: Pierce, G. W., Electric Oscillations | and Electric Waves, 49. 303. Pigeon Point, Minnesota, Geology, Daly. 43,7422. Pillsbury, W. 254. Pirsson, L. V., rise of Petrology aASka science, 40,. 222. = iyictcal Gears gy, 50, 460. — obituary notice, W. Cross, 50, 173. Planetary System, Origin, 46, 542. Plants, see BOTANY. — Australian flowering, history, Andrews, 42, 174, 339.. — fossil, Berry, 45, 78; Knowlton, 49, 189; Seward, 46, 475; 49, 223. — Mesozoic and Cenozoic of No. America, Knowlton, 49, 307. — and animals, evolution, Berry, 49, 207. Plaster of Paris, Troxell, 41, 199. Platinum, in 1919, 50, 471; in peri- dotite, Urals and Spain, Duparc, 43, 173; Russian, 49, 451. Miller, geological 171, 43, B., Psychology, 43; | GENERAL INDEX. | } [32 Pleistocene deposits, relative ages, Hay, 47, 361; Mt. Desert Is., 42, 309; see GEOLOGY. Pogue, J. E., emerald deposits of Muzo, Colombia, 42, 85 Poiseuille’s law for compound tubes, Schleier, 49, 447. Poisson’s Equation, failure of, Prasad, 44,0343: Polarimetry, 45, 418. | Polarization surface, Jentzsch- Grafe, 48, 472. | Perter, J. G, All-American Time, 47, 310. Porter, L. E., detection and separa- tion of tellurium, arsenic, etc., 42, 106; separation of gallium, 44, 22ie Porto Rico, 1918 Earthquake, 236; Scientific Survey, 50, 237. — Tertiary formations of, Maury, 48, 200. Posnjak, E., hydrated ferric oxides, a7 3LI. Potash, extraction from rocks, Ross, 43, 485. 50, silicate '— See CHEMISTRY. | Patential measurements, switch for, White, 46, 610. Pottsville formations and faunas, Mather, 43, 133: Powers, S., explosive ejectamenta of : Kilauea, 41,. 2272 .woleamic domes in the Pacific: Azo aon, granite in Kansas, 44, 146; But- ler salt dome, TPexas) fan i27, Hawaiian petrology, 50, 256. | Pratt, H. S., Zoology, 41, 150: 'Pre- Cambrian era, Lawton’s cor- relation, Lane, 43, 42; see GE- OLOGY. | Precious Stones in 1917, Kunz, 47, 238; in 1919, 50, 471. = in. 19014, Sterrett, 4m,.223) , Precipitation, rhythmic, and diffu- sion, Stansfield, 43, I. Pressure, effect’ on crystals rocks, "Bridgeman, 45, 243 — external, growth of crystals under, taper, ar, 542: Pribilof Islands, geological notes on, Hanna, 48, 216: Prickly Pear, Australia, Alexander, 48, 475. Priestley memorial, 44, 332. Prime numbers, Thompson, 45, 418. Projectile, motion of a spinning, Prescott, 45, 320. Prosser, C. S., stratigraphic posi- and 33] VOLUMES XLI-—L. od tion of Hillsboro sandstone, 41, 435. oe Psychology, Pillsbury, 43, 254; . Watson, 49, 221. non Pumpelly, R., My Reminiscences, 47, 82. Punnett, R. C., Mendelism, 49, 384. Pyromorphite crystals, Shannon, 43, 325. rt Pyrometry, Practical, 45, 75. QO Qualitative, Quantitative Analysis, See CHEMICAL WORKS. Queensland Museum memoirs, 41, BOCAS B25 OAT, ASQ. tt. | Ouinke, (7. f., radioactivity of meteorites, 44, 237. R Radiation constants, Henning, 48, | 470. — new secondary, of positive rays, Wolfke, 45, 331. | — terrestrial,transmission of, Very, At 513: aay Radio communication, 47, 444. Radioactive lead, atomic weight, - Richards and Wadsworth, 43, 166; density, 41, 203; 42, 305. — mineral springs of Colorado, 46, | 621. ; Radioactivity, Makower and Gei- ger, 49, 304. Radioscopic fluorescent screens, Roubertie and Nemirovsky, 48, 302. Radium, absorption spectrum, de /| Broglie, 49, 79. — from carnotite, Parsons, et al., AT, 21A: — life of, Gleditsch, 41, 112. Radium and uranium ratio, Lind and Roberts, 50, 72; relative ac- tivity, Boltwood and Johnstone, BOs 172 Radium-D, beta-rays, Meitner, 41, 145) Raman, C. V., mechanical theory of bowed strings, 48, 74. Ramsay, W., Gases of the Atmos- plere, 41,1557. Rainier, Mt., Meany, 43, 417. Rankin, G. A., the ternary system, MgO-Al1:0;-SiOz, 45, 301. Rathbun, Mary J., fossil crab, 4r1, 344; decapod Crustaceans, 47, 234. Rathbun, R., obituary, 46, 757. Raymond, P. E., Beecher’s classi- fication of trilobites, 43, 106. Reagents and Reactions, Tognolli, 45, 328. Reese, A. M., Zoology, 47, 452. Reeves, J. R., Anderson esker, 50, 65. Refraction, determination of in- dices of, Fabry, 49, 143, 148: Refractive indices, determination, Fabry’s, Uhler, 49, 143, 148. Relativity, Cunningham, 41, 297. — Einstein-Lawson, 50, 40s. |— generalized, and _ gravitation theory, 43, 247. — and gravitation, Woolard, 45; A25. Religion and Science, W oodburne, 50, 80. | ‘ 3 Research Council, National, organ- ization, 48, 163; 49, 156; 50, 79; building, 50, 473. Resistance-box plugs, lubrication, Manley, 43, 331. Respiratory Exchange of Animals, and Man, Krogh, 43, 422. Rhode Island, geology, Hawkins, 46, 437; Perkins, 4g, 61. Richardson, G. B., age of Scranton coal, Colorado, 43, 243. Richardson, O. Emission of ey from Hot Bodies, 42, 369. Richter’s Organic Chemistry, Spiel- mann, 48, 460. Richthofenia in Texan Permian, Bose, 44, 157. Ridgway, R., Birds of No. Amer- ica, 42, 86; 48, 4o2. Ries, H., Economic Geology, 43, 252, 339; dolomitic clay, 44, 316. Righi, Augusto, 50, 466. Rings, Kunz, 43, 330. Ripple marks, recent and fossil, Kindle, 43, 401. Ripples, origin of fossil, Cte. Bucher; 47, 149, 247) Ritter, W. E., Unity of Organism, 49, 220. Robbins, H. E., conductivity cell for electro-titration, ar, 246. Robbins, W. W., Botany of Crop Plants, 45, 242. Robertson, T. B., Physical Chem- istry of Proteins, 46, 548. ~ 512 Robinson, H. H., summation of analyses of igneous rocks, 4I, 257; Barrell’s Piedmont terraces edited, 49, 227, 327, 407. Robinson, W. I., Paleozoic Alcyo- narian Tumularia, 42, 162; Tetra- cGrallay etc., 43; 337- ROCKS. Bahiaite, 41, 330. Calcite-brucite rocks, Rogers, 46, 582. Charnockite series, Washington, 41, 323. j Chemical Analyses, Washington, 45, 238; 48, 161. Diabase, Rhode Island, 46, 452; cylinders, Emerson, 41, 321. Gabbro, lopolith, Grout, 46, 516; Rhode Island, Hawkins, 46, 455. Granite, Kansas, Powers, 44, 146; Twenhofel, 43, 363; 48, 132. — hypersthene, 41, 324. — Killarney, Collins, 41, 564. Green schist, Rhode Island, 46, 449. Hommel’s Petrography, 50, 75. Hyalo-dacite, 50, 453. Italite, new, 50, 33. Lavas of Morro Hill, Cal., War- ing, 44, 98. Leucite rock, 50, 33. Magmatic sulphide ores, Tolman and Rogers, 44, 156. Metagabbro, etc., Adirondacks, 48, 147. Myrmekite, 43, 338. Nephelite rocks, Hawaiian, 274. Norite, 41, 328. Obsidian, Lipari, 50, 446. Peridotite, Spain, Urals, 43, 173. Pumicite, Nebraska, Barbour, 44, 83. Quartz diorite, hypersthene, 41, 320. Rocks, Analysis, Hillebrand, 40, Te. — of Cuzco, Peru, Gregory, ai, i — eruptive, at Cuttingsville, Vermont, Eggleston, 45, 377. — foliation and metamorphism, Bonney, 48, 477. — Igneous, of Carrizo Mountain, Arizona, Emery, 42, 349; den- sities of, Iddings, 49, 363; summation of analyses, Robin- Soil, et 257, GENERAL INDEX. [34 ROCKS. Rocks, Silicate, extraction of potash, Ross, 43, 485. Rhyolites, Lipari, 50, 446. Tertiary intrusives in New Mex- ico, Semmes, 50, 415. Trachyte, Hawaiian, 50, 268. Rockwood, E. W., Chemical Anal- ysis, 4I, I44. Rocky Mts., Mesozoic physiog- raphy, Lee, 47, 7s: 59, | |Rodents of Iowa, Stoner, 47, 239. Rogers, A. F., cristobalite in Cali- fornia, 45, 222; American oc- currence of periclase, 46, 581; manganese minerals, San Jose, Calif., 48, 443. Roscoe, H. E., Biographical Sketch, Thorpe, 43, 80. Rose, J. N., Cactacez, 49; 222: Ross, C. S., age of iron ore in FEast- ern Wisconsin, 41, 187. Rowley, R. R., Edgewood lime- stone of Pike Co., Missouri, 41, ai. Russell, E. J., Soils and Manures, 42, 283; Soil ‘Conditions. ane Plant Growth, 45, 423. Rutherford, E., penetrating power of X-rays, 44, 401. Ruthven, A. G., Animal Biology, 50, 76. Rydberg Series Constant, Curtis, 49, 300. S) St. Lawrence river, birth of, Spen- Ger, 43, 351: Sakhalin, “Miocene flora” of, Kryshtofovich, 46, 502. Sakura-jima, Eruption in _ IgI4, | Koto, 43, 338. ioe crystals, formation, Long, 43, 280. ‘ — deposition, Grabau, 50, 468. — dome, Texas, Powers, 49, 127. Sand fusions from gun _ cotton, Munroe, 43, 3890. — rounding of, Galloway, 47, 270; Kindle, 47; 431: Sangamon, MIIll., fossil beetles from, Wickham, 44, 137. Sanitation, State, Massachusetts. . Whipple, 43, 496. Sarawak Museum Journal, 46, 470. 'Sarker, B. K., Hindu Achievements in Science, 47, 230. Sauchelli, U., succinic acid as a standard, 41, 244. 35] Savage, T. E., age of iron ore in Eastern Wisconsin, 41, 187; Eady eolurian) snocks otra No. Michigan, 45, 59; Devonian of Illinois, 49, 160. Sayles, aqueo-glacial sediments, 50, 230. Sayre, Materia Medica, 44, 86. Schaller, W. T., mineralogic notes, 42, 85; crandallite, 43, 69; iden- tity of hamlinite with goyazite, 43, 163; Gems, 47, 145. Schenck, R., Physical Chemistry of Metals, 49, 147. Schmucker, S. C., Evolution, 41, BiGilig Schneider, A., Food and Drug Lab- oratories, 41, 381; Microbiology of Foods, 50, 172. Schrammen, Collection of Cretace- ous Silicispongiz, 49, 152. Schuchert, C., continental fractur- turing and diastrophism -in Oceanica, 42, 91; pre-Cambrian nomenclature, 42, 475; Hébert (1857) on periodic submergence of Europe, 43, 35; Carboniferous of the Grand Canyon of Arizona, 45, 347; Cambrian of the Grand Canyon of Arizona, 45, 362; his- torical geology, 1818-1918, 46, Ase motice Of Hs. Williams, 46, 682: Earth's Changing Strface, 46, 770; Taconic system resur- rected, 47, 113; fossil hydroid ineatricea,% 147519203; s),obituary miotece gor |). Barrell, 48, -251; Paleozoic crustal instability in No. America, 50, 399. Science, Century of, 1818-1918, 46, age 3 TO. — Elements of General, Caldwell and Eikenberry, 46, 600. — Introduction, Clark, 45, 420. ape cies of Modern, Mills, 40, I. — Short History of, Sedgwick and Tyler, 45, 240. — Teaching, Twiss, 45, 332. Scott, S. E., detection and separa- tion of germanium, 44, 313; 46, 663. Scott, W. B., Evolution, 44, 84. Scott, W., determination of vanadic Velde AO, 427: Scott, W. W., Chemical Analysis, 48, 70. Scranton Coal, Colorado, age, Rich- ardson, 43, 243. VOLUMES XLI-L. d138 Sedgwick, W. T., History of Sci- ence, 45, 240. Sedimentation, Shaw, 49, 84. Sediments, aqueo-glacial, Sayles, 47, 440. Seidell, A., Solubilities of Inor- ganic and Organic Compounds, 49, 78. Sellards, E. H., Florida phosphates, 41, 200; fossil human remains, discovery in Florida, 42, I; new tortoise, trom. Florida, 42, 235 human remains at Vero, Florida, 47, 358; Comanchean formation under Florida, 48, 13. Semmes, D. R., Tertiary intrusives of the Pecos Valley, New Mex- icO, 50, 415. Serpentine, origin, Benson, 46, 603. Seward, A. C., Fossil Plants, 46, 475; 49, 223. Shannon, E. V., crystals. of pyro- morphite, 43, 325; famatinite from Goldfield, Nevada, 44, 460; mullanite, 45, 64; ilvaite, Idaho, 45, 118; anglesite, Idaho, 47, 287; amesite, 49, 96; bismutoplagion- ite, 49, 166; naumannite in Idaho, 50, 390. Sheet flows, etc., Australia, Jutson, 48, 435. Sherman: Hie) €.; “Chemistry 7 o6 food, 46, 548. Shimer, H. W., fossiliferous Mio- cene bowlders, Block Island, 41, 2st Shipley, J. W., volcanic emana- tions Katmai, Alaska, 50, 141. Shore Processes, etc., Johnson, 48, 395. Shuler, E. W., Dinosaur tracks in Glen Rose limestone, Texas, 44, 294. Shull, A. F., Animal Biology, 50, 76. Siebenthal, C. E., zinc and lead de- posits of Joplin, 41, 375. Signalling by light rays, Wood, 4o, 214. Silberstein, L., Electromagnetic Theory of Light, 47, 140. Silicate specific heats, White, 47, I. Silliman, Benjamin, founder of the Amer. Journal of Science, 46, II. Simotomai, H., Tarumai dome in Japan, 44, 87. Simpson, G. S., detection and sepa- ration of tellurium, arsenic, etc., 42, 100. . Sinclair, W. J., new labyrinthodont 514 from ~ Pennsylvania, 43)" /3i0; Parasuchian from the ‘Triassic of Penn., 45, 457. Sinnott, E. W., coniferous woods of the Potomac formation, 41, 276. Secure: E. W., coral-reef problem and Funafuti borings, 45, 81; and dolomite formation, 45, 185. Smith, A. J., Chemistry of Metabol- ism, translation, 42, 442. Smith, C. M., lead-chlor arsenate, 42, 139; Electric and Magnetic Measurements, 43, 415. Smith, E. A., Zinc Industry, 46, 689. Smith, E. F., Life of Robert Hare, 44, 76; Life of James Wood- house, 46, 541; Electro-Analysis, 46, 766; Chemistry in Old Phila- delphia, 47, 383; James Cutbush, Amer. Chemist, 1788-1823, 49, 79. Smith, G., dyscrasite, Australia, 49, 278. er Smith, G. McP., Quantitative Chemical Analysis, 48, 468. Smith, G. O., century of govern- ment geological surveys, 46, 171. Smith, W. D., radiolarian cherts in Oregon, 42, 2909, 504. Smithsonian Institution, annual re- DOL, MONS, AI, 3033. 1O1O) 43,0eq. 1917, 45, 149; 1918, 47, 146; 1919, 49, 154. i — — Explorations and Field Work in 1916, 43, 497; I919, 50, So. = =] Meteorological | Mables; sag; 216. — Physical Tables, Fowle, 50, 466. Smyth, C. P., moisture content of typical coals, 45, 174. Soderman, M. A., barium and strontium, separation, 46, 538. Sodium, line spectrum, Strutt, 49, 302. = vapor, fluorescence, Strutt, 4x, 144; ionizing potential, Wood and Okano, 44, 401; resonance, radiation, Mohler and Wood, 47, 442. — See CHEMISTRY. Soil Conditions and Plant Growth, Russell, 45, 423. — Physics and Management, Mosier and Gustafson, 45, 484. Soils, manganese in, Johnson, 43, AIO. . — and Manures, Russell, 42, 283. Solar radiation, 44, 482. GENERAL INDEX. [36 Solubilities of Inorganic and Or- ganic Compounds, Seidell, 49, 78. Solution, Nature of, Jones, 44, 78. Sosman, R. B., work of the Geo- physical Laboratory, Washing- ton, 46, 255. Sounds of drops falling on water, Mallock, 47, 136. South Africa geol. survey, 41, 564. South America, Cretaceous-Ter- tiary boundary, Windhausen, 45, I. — — See Peru. South Australia, Geology, How- chin, 47, 389; Jack, 45, 147; Tal- bot and Clarke, 47, 380. — geol. survey. See GEOLOG- ICAL REPORTS. Southall, J. P. C., Mirrors, Prisms, and Lenses, 47, 228. Specific heats, silicate determina- tion, White, 47, I. Spectograph, positive ray, Aston, 49, 444. Spectra, hydrogen, Stark, 41, 465. — interference of reversed, Barus, 41, 414. — iron, King, 46, 767. — of isotopes, Merton, 49, 213. — of lead and thallium, Merton, 49, 213. — Origin, Thompson, 48, 7o. — rotation of interference fringes, Barus, 42, 63. — ultra-violet of helium, hydrogen, etc., Richardson and Bazzomi) 45_ 73: — X-ray, iodine Siegbahn, 41, 465. Spectral series and atomic number, Bell, .47, 227 and tellurium, Spectrograms, interpolations on, Merwin, 43, 40. Spectroheliograph, Rumford, of Yerkes Observatory, Hale and Ellerman, 45, 472. Spectrum of helium, 4o, 81. — interferometry, Barus, 41, 414; 42, 63, 402; 43, 145. — of iron, Hemsalech, 43, 413. — lines, distribution of intensity, Nicholson and Merton, 14, 466; structure of broadened, Merton, 42, 77. — of radium, 49, 79. — solar, Einstein-displacement, 50,. 3904; occurrence of ultra-violet bands in, Fowler and Gregory, 46, 617. — See Spectra. 37] Spencer, J. F., Metals of Rare Earths, 49, 78. Spencer, J. W., origin and age of the Ontario Shore-line, 43, 351. Spencer, S. R.,, separation cesium, etc., 42, 279. Sphere moving in a liquid, inertia, Cook, 49, 379. — plotting crystal zones on, Blake, of 43, 237. Spheroid, rotating, | straticulate, Keyes, 47, 108. Spiritualism, report of Seybert Commission, 50, 81; .Lruth , of, Mrs. D. Humphreys, 50, 81. Springer, F., Mysticocrinus, ' 666. Standards, Bureau of, report, 49, 46, 155. Stansfield, J., retarded diffusion and rhythmic precipitation, 43, I. Starling, E. H., Lecture on the leart, 45, 424. Stars of the Southern Heavens, Catalogue, Delavan, 49, 225. Steels, Graphite, etc., Analysis, Johnson, 47, 297. Stefanini, G., geological history of Venetia, 44, 2090. Steiger, G., sulphatic cancrinite from Colorado, 42, 332. Sterrett, D. B., Gems and Precious Stones in 1914, 41, 223. Stevens, W. C., Plant Anatomy, 42, 284. Stevenson, J. J., origin of form- kohle, 43, 211. Stillman, T. B., Engineering Chem- istry, 43, 166. Stoddard, J. T., Organic Chemistry, 47, 135. Stoichiometry, Young, 46, 680. Stone Age, Men of, Osborn, a1, 217. Stratigraphy of Eastern New Mex- ico, Baker, 49, 99; Lee, 49, 323. Stromboli, augite, Kozu and Wash- ington, 45, 463; lava eruption, noms, “Perret, 42, 442. Strutt, R. J., electric discharges in gases and vapors, 45, 234. Succinic Acid. See CHEMISTRY. Suess, E., Face de la Terre, 47, 235. Sulphides, dissociation pressures Ceatien and Jhombard! 49.) 075: Sulphite, liquor, utilization, Tartar, 41, 367. Sulphur, recovery, Wells, 44, 330. Sun-spots, nature, Hale, 47, 302. Surface Tension and Energy, Wil- lows and Hatschek, 47, 302. Switch, electric, White, 46, 610. VOLUMES XLI-L. o15 Switch for Thermoelement work, and other measurements, White, 41, 307. ais Taber, S., growth of crystals under extennial pressune, Ar, 532: Tables for Engineers, etc., Ferris, 47, 309. Taconic system, Schuchert, 47, 113. Tactite, Hess, 48, 377. Tampico, geology, Dumble, 47, 79. Tarr, W. A., origin of chert in the Burlington limestone, 44, 400; 45, 149. : ; : Tashiro, S., Chemical Sign of Life, 44, 84. Tear-figures. of minerals, Kuhara, 47, 448. Technical Review, 50, 8&1. Teeth, Filling, etc., Johnson, 46, 772) Telegraphy, Lee, 45, 237. Telephone, Kingsbury, 41, 297. Temperature coefficient of a heter- ogeneous reaction, Van Name. 43, 449. — equilibrium of a body exposed to radiation, Fabry, 44, 480. — variation, mean annual, Arctow- ski, 43, 402. Tennessee, Devonian of, Dunbar, 49, 307; geology of Rutherford Co., Galloway, 50, 239. Ternary system, CaO-MgO-SiO,, Ferguson and Merwin, 48, 81, 165; MegO-AleO;:-SiOsz Rankin and Merwin, 45, 301. Test, L. A., Qualitative Analysis, 48, 4609. Texas, Butler salt dome, Powers, Age 1274 Dinosaur tracks, johnler 44, 204. — geology of, Udden, Baker and Bose, 43, 252; Dumble;. 50, 238; of Glass Mts., Udden, Baker and Bowman, 47, 79, 387; Bose, 47, 305. — Mineral Resources, Phillips, 41, 224. — Pectinide, Kmniker, 47, 234. — Permo-Carboniferous, ammo- noids of, Bose, 47, 305. — University bulletin, 44, 158. Thaxter, R., obituary notice of W. G. Farlow, 49, 87. Thermochemistry of silicon, Mix- Hels aaa MG: Thermoelement work, switch for, White, 41, 307. 516 Thomson, J. A., Brachiopoda of the Australasian Antarctic Expe- dition, 48, 397; Secrets of Animal Life, 49, 220. Thomson, J. J., Origin ‘of Spectra, 48, 70. Thorium, alpha-particles from, Ru- therford, 41, 561. Thornton, W. M., Jr., separation of | thorium from iron, 42, 151. — See CHEMISTRY. Thorp, F. H., Industrial Chemistry, | 42, 165; 46, 615, 680; 47, 135, 382. Sketch | Thorpe, E., Biographical of H. E. Roscoe, 43, 8o. Thorpe, M. R., Abajo Mts., Utah, AS." 370; Oligocene River) Felidz, 50, 207. Thum, E. E., metallurgy, 47, 208. Time, All-American, Porter, 310. — wave work as a measure of, Coleman, 44, 351, 487. Tin, oxychloride of, new, Keller, 44, 480. — See CHEMISTRY. Tintic Mining District, Utah, Geol- ogy, Lindgren and Loughlin, 48, 246. Tizard, H. T., Theoretical Chem- istry, 43, 486. Tognoli, E., Reagents and Reac- tions, 45, 328. Tothill, J. D., ancestry of insects, 42, 373. Transkei Country, So. Africa, geol- ogy, Rogers, 45, 146. Treadwell, F. P., Analytical Chem- | istry, 42, 74. Triassic and Jurassic Mansfield, 50, 53. Tridymite, melting point, son and Merwin, 46, 424. Trigonometry, Barker, 45, 237. Trilobites, ancestry, Tothill, 373: — appendages, Walcott, 47, 231. — Beecher’s classification, mond, 43, 106. — Bohemian, Novak, 49, 300. — Cambrian, Walcott, 41, 301; 42, in Idaho, Fergu- 42, 432. — (Lichadide) Foerste, 49, 26. Troxell, E. L., plaster of Paris, 41, 199; early Pliocene one-toed horse, 42, 335; Oligocene camel, 43, 381; Oligocene Artiodactyl, 49, 391; Entelodonts in the GENERAL INDEX. (White | 47, Ray- | [38 Marsh Collection, 50, 243, 361, 431. | Turnbull, A., Life of Matter, 49, | Pecaaae Turner, W. A., vanadium deter- mined by cupferron, 41, 330; separation of vanadium, 42, 100. Tuttle, L., Theory of Measure- ments, 44, 70. | Twenhofel, W. H., granite bowlders | of Kansas, 43, 363;> cherieorseae Wreford and Foraker limestone of Kansas, etc., 47, 4075). eranite bowlders of Kansas, 48, 132; Pre-Cambrian and Carboniferous algal deposits, 48, 33978@a- manchean and Dakota strata, Kansas, 49, 281. Twins, Biology, Newman, 44, 84. Twiss, G. R., Science Teaching, 45, | S34. Tyler, H. W., History of Science, 45, 240. G Uhler, H. S., gallium-indium alloy, 4I, 351; electrolysis of gallium, 42, 380; 43, 81; note on paper by Ch. Fabry, 40,043 es |United States Bureau of Mines. | See Mines, U. S. Bureau of. [— — Coast Sutvey-. joe umegaee | Survey. — — Geol. Survey. See GEOL. | REPORTS. _— — magnetic declination, Jan. I, | 3015, Hazard; ar AGe. '— — map on Lambert projection, 48, 164. _— — National Museum. See Na- tional Museum. | Urine, Secretion, Cushny, 44, 150. Utah, Abajo Mts., Thorpe, 48, 379; Green River ‘desert section, Em- ery, 46, 55I. — Tintic Mining District, geology, Lindgren and Loughlin, 48, 246; minerals, Means, 41, 125. V. Vancouver, geology, Burwash, 47, | 79. Vander Meulen, clays from Georgia | and Alabama, 43, 140. Van Klooster, H. §., “Plysiear Chemistry, 49, 147. Van Name, G., solution of metals in ferric salts, 42, 301. 39 | VOLUMES XLI-L. 517 Van Name, R. G., apparatus for de- termining freezing-point lower- ing, 43, I10; temperature coef- Icient of a heterogeneous reac- tion, 43, 449. — tri-iodide and tri-bromide equi- libria, 44, 105; ionization of cadmium iodide solutions, 44, 453. == solution of silver in chromic acid, 45, 54; estimation of phos- phorous, etc., acids in mixture, 45, 91; hydrolysis and conduc- tivity of -hypophosphoric acid, 45, 103. — preparation of hypophosphates, 46, 587. Man Tuyl, FS M., geodes of the Keokuk beds, 42, 34; origin of dolomite, 42, 249; origin of chert, 45, 440. : : Vapors, fluorescent, Silberstein, 42, 499. Vaughan, T. W., origin of barrier coral reefs, Ai, 131. Venetia, geological history, Stefa- nini, 44, 299. Vennes, H. J., retardation of alpha particles by metals, 44, 60. Vermont, eruptive rocks at Cut- tingsville, Eggleston, 45, 377. — Mineral Industries, 43, 490; 50, 238. Vero, Florida, fossil human re- mains, Sellards, 42,1; 47, 358. Vertebre, Evolution of, Williston, 46, 546. Vertebrates, Comparative Anat- omy, Kingsley, 45, 240. Verwiebe, W. A., Berea formation of Ohio, etc., 42, 43; correlation of the Mississippian of Ohio, etc., 43, 301; Devonian shales of Ohio and Pennsylvania, 44, 33. Very, F. W., transmission of terres- trial radiation, 41, 513; possible limit to gravitation, 48, 33. Vibrations of bowed strings, me- chanical theory, Raman, 48, 74. Villavecchia, V., Chemistry, 45, 329; 46, 765. Violins, mechanically played, Ra- Pe iaim, 50, 465. Virgilina district of Virginia, ie: geology, Laney, 45, 476. Virgin Is., Scientific Survey, 50, 237. Virginia, geol. survey. See GEOL. REPORTS. — Miocene, sail fish from, Berry, 43, 461. Vogdes, A. W., Notes on Paleozoic Crustacea, 44, 3306. Volcanic domes in the Pacific, Powers, 42, 2061. — emanations, Alaska, Shipley, 50, I4I. — eruption, on Mt. St. Helens, Wash., Jillson, 44, 590; of Sakura- jima in 1914, Koto, 43, 338. — phenomena in Hawaii, 43, 255. Volcano, see Kilauea, Mauna Loa. — Tarumai, Simotomai, 44, 87. Volcanoes, lava eruption of Strom- boli, 1915, Perret, 42, 443. Volcanologic investigations at Kil- auea, Jaggar, 44, I6I. Von Firth, O., Chemistry of Me- tabolism, 42, 442. Von Richter, V., Organic Chemis- th yenar: 368 Vosmaer, A., Ozone, 42, 432. W Wade, B., Upper Cretaceous Ful- gur, 43, 203. Wadia, D. N., Geology of India, 40, 210. Walcott, C. D., Cambrian Trilo- bites, 41, 301; Cambrian forma- tion of Montana, 42, 372; Cam- brian Trilobites, 42, 439; ap- pendages of Trilobites, 47, 231; elected to French Academy, 49, Waller Museum, Contributions, 42, 82. Walter, H. E.. Human Skeleton, 47, Sr. War Neuroses, MacCurdy, 47, 147. Waring, G. A., and C. A., lavas of ue Final Sov California. aa. 98. Warner, A. R., Dispensaries, 46, 771. Warren, C. H., sphere for crystal optics problems, 42, 493; titan- iferous augite, 43, 75. Washburn, M. F., Animal Mind, 45, 240. Washington, Eocene and _ post- ae formations, Weaver, 42, 1. — University of, Bureau of Re- seatch, 41, 471. Washington, H. S., Charnockite series of igneous rocks, 41, 323; chemical analyses of igneous 518 rocks, 45, 238; aug#e ..ksom Stromboli, 45,.. 463: — (Chemical Analyses of Rocks, 48, 161; new leucite rock, 50, 33; rhyolites of Lipari, 50, 446. Water power in Canada, 49, 388. Watson, J. B., Psychology, 49, 221. Weed, H. T., Chemistry in the Home, 45, 471. Weld, L. D., Theory of Errors and Least Squares, 41, 562. Wellisch, E. M., motion of ions and electrons through gases, Vide Th Wells, H. L., progress of chemis- try, 1818-1918, 46, 2590; Chemical Calculation Tables, 48, 161; an- alytical weighing, 49, 375. West Indies, fossil Bryozoa, Canu and Bassler, 49, 83. — geology and Vaughan, 49, 82. West Virginia, coal beds, Hennen, 46, 770. — geol. survey. See GEOL. RE- PORTS. Western Australia geol. See GEOL. REPORTS. — rounding of. pebbles, Jutson, 48, 429; sheet-flows, Jutson, 48, 435. Whetzel, 46, 540. Whipple, G. C., State Sanitation of Massachusetts, 43, 406. White, W. A., Character Forma- tion, 43, 254. White, W. P., switch for thermo- element work, 41, 307; switch for delicate potential ‘measure- ments, 46, 610; silicate specific heats, 47, I; specific heat deter- mination at higher temperatures, paleontology, survey. H. H., Phytopathology, 47, 44. Whitlock, H. P., crystal structure, 49, 259. Whittaker, E. T., Modern Analysis, AI, 207; Edinburgh Mathematical (imacts: (41, v20c: Wickham, H. F., fossil beetles from Sangamon, lil, 4s ese toss beetles, Vero,: Florida,.A7..355 Wieland, G. R., Flora Liasica de la Mixteca Alta,42,) 370: Fossil Gycads,., laxonomy ee ae sae American fossil cycads, 46, 645; classifcation of Cycadophyta, 47, 391; Tetracentron-Drimys ques- tion, 49, 382. GENERAL INDEX. [40 Wiley, H.. W. Adulterations, 47, 297. Williams, H. S., fauna of Chap- man Sandstone of Maine, 42, 160. poe notice, Schuchert, 46, Beverages, and Bs Williams, S. R,, 41, IOT. Williamson, E. D., forms of calcium carbonate, 41, 473. Williston, Samuel W., notice, 47, 220. Winchell, A. N., dustfall of March 9, 1918, 46, 500; 47, 133. Windhausen, A., Cretaceous-Ter- tiary boundary in So. America, 45, 1; Argentine Neocomian, 47, achromatoscope, obituary 303. Winton, A. L., Food Analysis, 44, Ld Wisconsin, age of iron ore, Savage, and Ross, 41, 187. — Fox-Winnebago Valley, 41, 374. — geol. survey. See GEOL. RE- PORTS. . — peat resources, Huels, 41, 225. — physical geography, 42, 83. — Quaternary Geology, Alden, 47, 143. Wood, H. O., 1914 eruption of Mo- kuaweoweo, AI, 383. Wood, R. W.,. signalling by light rays, 49, 214. Woodhouse, James, Life of, E. F. Smith, 46, 541. Woodruff, L. L., Origin of Life, 46, 770. Woods, H., Paleontology, 50, 170. Woolard, E., generalized relativity and gravitation, 45, 425. World Power and Evolution, Hunt- ington, 48, 306. Wright, A. W., At Eo 320i Wyckoff, R. W. G., Crystal struc- tures of carbonates ot, calcite group, 50, 317. Wyoming Historical and Geol. So- » ciety proceedings, 41, 381. obituary notice, xX X-rays, absorption, Aurén, 48, 72; Owen, 47, 301; in aluminum Williams, 46, 766. — analysis, sensibility, de Broglie, 49, 79. 41] X-ray spectra, de Broglie, 43, 487; 44, 484. : ——(rom ceftain metals, tion, Kaye, 44, 334. — indices of refraction, Einstein, composi- AST AZL.. — penetrating power, Rutherford, 44, 401. — refraction, Barkla, 41, 560. — relations between spectra of, Ishiwara, 44, 335. — spectra of iodine and tellurium, Siegbahn, 41, 465. — wave lengths, Siegbahn, 43, 167. Y Yerkes, Observatory. See OB- SERVATORY. VOLUMES XLI-L. 519 Young, C. A., Astronomy, 46, 542; 47, 380. ane Young, S., Stoichiometry, 46, 680. Z Ziegler, V., Oil Geology, 45, 423. Zinc Industry, Smith, 46, 680. ZOOLOGY. Crinoids, Existine, Clark, ar. 150, Edrioasteroidea, Bather, 41, 302. Zoology, ineese; 47, 4525. in America, 1818-1918, Coe, 46, 355; Economic, Daugherty, 45, 235; _Blementary, Eliyman, Ag, S43 Invertebrate, Pratt, 41, 150; Practical, Hegner, 41, 150; Vertebrate, Newman, 49, 384. — See Animals, Birds, Insects. xt ae oF Te he ‘iced ELL Se * * Poos x an wety hake eet Peek + obey aie dot ae i oe i ai - ai ey 0) a] i Meee eh; epetxc vy i a) iN es at i us ati ‘WANN 8 01298 603