702 



GENERAL INDEX. 



[26 



Goldschmidt, V. M., Kontakt- | 

 metamorphose in Kristianiage- i 

 biet. 32, 233. 



Goldthwait, J. W., terrace and 

 sea-cliff of the lower St. Law- 

 rence, 32, 291; glacial cirques 

 near Mt. Washington, 35, 1; 

 old graded upland of the White 

 Mountains, 37, 451. 



Gooch, F. A., silver, estimation 

 by electro-deposition, 31, 109; 

 estimation of barium, 31, 212; 

 use of sodium paratungstate, 31, | 



497- 



— electrolytic-analysis, with plat- 

 inum electrodes, 34, 107; iodic 

 acid process, 34, 469; Methods 

 of Chemical Analysis, 34, 478. 



— use of selenic acid, in bromine 

 determination, 35, 54; purifica- 

 tion of barium sulphate, 35, 311. 



■ — dehydration and recovery of 

 silica, 36, 598. 



— determination of bromine, 37, 



257. 

 Graham, R. P. D., native gold 



from Queen Charlotte Islands, 



B. C, 31, 45; crystallization of 



willemite, 36, 639. 

 Grand Canyon district, geological 



excursion, Johnson, 31, 80. 

 Granville, W. A., Calculus, 33, 386. 

 Grating, plane, for spectrum 



measurements, C. and M. Barus, 



31, 85. 

 Gravels, at Cuzco, Peru, 36, 15; 



fluviatile and marine, Gregory, 



39, 487. 

 Gravitation, Harris, 34, 483. 

 Gravity, anomalies in the U. S., 



Bowie, 33, 237; Gilbert, 37, 356. 



— determinations at sea, Bauer, 

 31, 1; 33, 245; Hecker, 32, 388. 



— and earth-movements, Spencer, 

 35, 56i. 



— isostatic compensation in, 

 Bowie, 35, 197; Bowie and Hay- 

 ford, 34, 92. 



— work in the United States, re- 

 cent, Bowie, 32, 101. 



Gray, F. W., Physical Chemistry, 

 39, 677- 



Greenland, Carboniferous Flora 

 of, Nathorst, 32, 74. 



Gregory, H. E., granites of Con- 

 necticut, 33, 160. 



— Shinarump conglomerate, 35, 

 424. 



Gregory, H. E., gravels at Cuzco, 

 Peru, 36, 15; La Paz (Bolivia) 

 gorge, 36. 141; geologic sketch 

 of Titicaca Island, 36, 187. 



— Ayusbamba, Peru, fossil beds, 

 37, 125; the Rodadero, Cuzco, 

 Peru, 37, 289. 



— Little Colorado Valley, Ari- 

 zona, 38, 491. 



— shape of pebbles, 39, 300; flu- 

 viatile and marine gravels, 39, 

 4?7. 



— igneous origin of "glacial de- 

 posits" on the Navajo Reser- 

 vation, 40, 97. 



Gregory, J. W., Making of Earth, 

 35, 197. 



Groth, P., Chemical Crystallog- 

 raphy, 31, 234. 



Guanajuato, Mexico, minerals, 

 Wittich, 32, 167. 



Guild, F. N., Mineralogy of Ari- 

 zona, 31, 463. 



Guthe, K. E., College Physics, 33, 

 285. 



Gyroscope, Cordeiro, 36, 647. 



H 



Hale, G. E., Mt. Wilson Observa- 

 tory, 40, 517. 



Hancock's Applied Mechanics, 39, 

 680. 



Handlirsch, A., new Paleozoic in- 

 sects from Illinois, 31, 297, 353. 



Hannibal, H., mollusca of the 

 California Province, 35, 548. 



Harris, F., gravitation, 34, 483. 



Hart, R. N., Leavening Agents, 

 39, 685. 



Hartley, W. N., minerals in at- 

 mospheric dust, 32, 323. 



Harvard College Observatory, 

 see Observatory. 



Hasheesh, Robinson, 35, 119. 



Hatch, F. H., Mineralogy, 33, 595. 



Hawaii, lavas of, Cross, 40, 88. 



— Leeward Islands, Elschner, 40, 

 670. 



— Mauna Loa, 1914 outbreak, 39, 

 167; activity in 1914-1915, Jag- 

 gar, 40, 621. 



— molybdenum in rocks of, Fer- 

 guson, 37, 399. 



— volcanic phenomena, Day, 37, 

 357- 



— See Kilauea. 



