516 



GENERAL INDEX. 



[38 



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, 689; 47, 135, 382. 



Thorpe, E., Biographical Sketch 

 of H. E. Roscoe, 43, 80. 



Thorpe, M. R., Abajo Mts., Utah, 



48, 379; Oligocene (White 

 River) Felidas, 50, 207. 



Thum, E. E., metallurgy, 47, 298. 

 Time, Ail-American, Porter, 47, 

 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 in Idaho, 

 Mansfield, 50, 53. 



Tridymite, melting point, Fergu- 

 son and Merwin, 46, 424. 



Trigonometry, Barker, 45, 237. 



Trilobites, ancestry, Tothill, 42, 

 373- 



— appendages, AValcott, 47, 231. 



— Beecher's classification, Ray- 

 mond, 43, 196. 



— Bohemian, Novak, 49, 306. 



— Cambrian, Walcott, 41, 301; 42, 



43 2 -. 



— (Lichadidae) 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 



Marsh Collection, 50, 243, 361, 

 431- 



Turnbull, A., Life of Matter, 49, 

 221. 



Turner, W. A., vanadium deter- 

 mined by cupferron, 41, 339; 

 separation of vanadium, 42, 109. 



Tuttle, L., Theory of Measure- 

 ments, 44, 79. 

 | Twenhofel, W. H., granite bowlders 

 of Kansas, 43, 363; chert of the 

 Wreford and Foraker limestone 

 of Kansas, etc., 47, 407; granite 

 bowlders of Kansas, 48, 132; 

 Pre-Cambrian and Carboniferous 

 algal deposits, 48, 339; Co- 

 manchean and Dakota strata, 

 Kansas, 49, 281. 



Twins, Biology, Newman, 44, 84. 



Twiss, G. R., Science Teaching, 45, 

 332. 



Tyler, H. W., History of Science, 

 45, 240. 



U 



J Uhler, H. S., gallium-indium alloy, 



41, 351; electrolysis of gallium, 



42, 389; 43, 81; note on paper by 

 Ch. Fabry, 49, 143, 148. 



United States Bureau of Mines. 

 See Mines, U. S. Bureau of. 



Coast Survey. See Coast 



Survey. 



Geol. Survey. See GEOL. 



REPORTS. 



: magnetic declination, Jan. 1, 



1915.. Hazard, 41, 466. 



map on Lambert projection, 



48, 164. 



National Museum. See Na- 

 tional Museum. 



Urine, Secretion, Cushny, 44, 159. 



Utah, Abajo Mts., Thorpe, 48, 379; 

 Green River 'desert section, Em- 

 ery, 46, 551. 



— Tintic Mining District, geology, 

 Lindgren and Loughlin, 48, 246; 

 minerals, Means, 41, 125. 



Vancouver, geology, Burwash, 47, 



79- 

 Vander Meulen, clays from Georgia 



and Alabama, 43, 140. 

 Van Klooster, H. S., Physical 



Chemistry, 49, 147. 

 Van Name, R. G., solution of 



metals in ferric salts, 42, 301. 



