498 



GENERAL INDEX. 



[20 



Grand Canyon, Cambrian, Schu- 

 chert, 45, 362; Carboniferous, 

 Schuchert, 45, 347; fossil foot- 

 prints, Lull, 45, 337; Story of, 

 Darton, 44, 158. 



Granite bowlders of Kansas, Twen- 

 hofel, 43, 363; 48, 132; Powers. 

 44, 146. 



■ — see Rocks. 



Gravitation, possible limit to, Very, 



48, 33- 



— and relativity, Woolard, 45, 425. 



— and Isostasy. Bowie, 43, 249. 

 Greger, D. K., Devonian of Central 



Missouri, 49, 265; 50, 20. 



Gregory, H. E., geology of the 

 Cuzco Valley, Peru, 41, 1; geol- 

 ogy of the Navajo Country, 45, 

 145; progress in interpretation 

 of land forms, 46, 104; co-opera- 

 tion in geologic instruction, 47, 

 281. 



Grout, F. F., lopolith, 46, 516; or- 

 ganic remains in iron-bearing 

 Huronian rocks in Minnesota, 



48, 199. 



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 Industry, 47, 135. 



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, 398. 



Harshberger, J. W., Mycology and 

 Plant Pathology, 45, 335- 



Harvey, E. N., Animal Light, 50, 



474- 

 Hatch, L., marine terraces in 

 Southeastern Connecticut, 44, 

 319. 



Hatschek, E., Chemistry of Col- 

 loids, 41, 368; 48, 160; 50, 73; 

 forms • assumed by drops and 

 vortices, 47, 3&3- 



Hausman. L. A., glacial modifica- 

 tion of drainage within a narrow 

 area, 45, 153- 



Haiiy, Abbe, 45, 326. 



Hawaii, Bishop Museum, 49, 156. 



— lava from Mauna Loa, 1916, 

 Jaggar, 43, 255. 



— petrology, Powers, 50, 256. 



— selensulphur, Brown, 42, 132. 



— see Kilauea, Mauna Loa, Mo- 

 kuaweoweo. 



Hawk, P. B., Physiological Chem- 

 istry, 42, 76; 47, 148. 



Hawkins, A. C, geology of Rhode 

 Island, 46, 437; 47, 308. 

 I Hay, O. P., relative ages of Pleis- 

 tocene deposits, 47, 361. 



Hazard, D. C, Magnetic Tables 

 and Charts for 1915, 45, 236. 



Heart, Starling, 45, 424. 



Heat of formation by combustions 

 with sodium peroxide, Mixter, 

 43, . 27; specific, of silicates, 

 White, 47, 1 ; at higher tempera- 

 tures, White, 47, 44. 



Hebert (1857) on periodic sub- 

 mergence of Europe, Schuchert, 

 43, 35- 



Hedrick, E. R., Logarithmic Ta- 

 bles, 50, 467. 



Hegner, R. W., Zoology, 41, 150. 



Helium, hydrogen and mercury, 

 ultra-violet spectra, Richardson 

 and Bazzoni, 45, 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, 399. 



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. G., Chemistry in Plant 

 Products, 45, 242. 



