492 



INDEX. 



ROCKS. 



Granite, Kansas, Powers, 146. 



Lavas of Morro Hill, Cal., War- 

 ing, 98. 



Magmatic sulphide ores, Tolman 

 and Rogers, 156. 



Pnmicite, Nebraska, Barbour, 83. 

 Rutherford, E., penetrating power 



of X-rays, 401. 



Sayre, Materia Medica, S6. 

 Scott, S. E., detection of germa- 

 nium, 313. 

 Scott, W.' B., Evolution, 84. 

 Shannon, E. V., famatinite from 



Goldfield, Nevada, 469. 

 Shuler, E. W., Dinosaur tracks in 



Glen Rose limestone, Texas, 294. 

 Simotomai, H., Tarumai dome in 



Japan, 87. 

 Smith, E. F., Life of Robert Hare, 



76. 

 Sodium vapor, ionizing potential, 



Wood and Okano, 401. 

 Solar radiation, 482. 

 Solution, Nature of, Jones, 78. 

 Stefanini, G., geological history of 



Venetia, 299. 

 Sulphur, recovery, Wells, 330. 



Tarr, W. A., origin of chert in the 



Burlington limestone, 409. 

 Temperature, equilibrium of a 



body exposed to radiation, Fabry, 



480. 

 Tashiro, S., Chemical Sign of Life, 



84. 

 Texas, Dinosaur tracks, Shuler, 



294. 



— University bulletin, 158. 

 Time, wave work as a measure of, 



Coleman, 351. 487. 

 Tin, oxychloride of, new, Keller, 

 480. 



— and tungsten, separation, Trav- 

 ers, 479. 



Tuttle, L., Theory of Measure- 

 ments, 79. 

 Twins, Biology, Newman, 84. 



U 

 United States, Bureau of Mines, 80. 

 — geol. survey, 405. 

 Urine, Secretion, Cushny, 159. 



Van Name, R. G., tri-iodide and tri- 

 bromide equilibria, 105; ioniza- 

 tion of cadmium iodide solutions, 

 453. 



Venetia, geological history, Stefa- 

 nini, 299. 



Vennes, H. J., retardation of alpha 

 particles by metals, 69. 



Verwiebe, W. A., Devonian shales 

 of Ohio and Pennsylvania, 33. 



Vogdes, A. W., Notes on Paleozoic 

 Crustacea, 336. 



Volcanic Eruption, on Mt. St. 

 Flelens, Wash., Jillson, 59. 



Volcano, Tarumai, Simotomai, 87. 



Volcanologic investigations at Kil- 

 auea, Jaggar, 161. 



W 

 Waring, G. A. and C. A., lavas of 



Morro Hill, So. California, 98. 

 Wellisch, E. M., motion of ions 



and electrons through gases, i. 

 Wickham, H. F., fossil beetles from 



Sangamon, 111., 137. 

 Winton, A. L., Food Analysis, 77, 



X-Ray band spectra, de Broglie, 



484. 



— from certain metals, composi- 

 tion, Kaye, 334. 



— penetrating power, Rutherford, 

 401. 



— relations between spectra of, 

 Ishiwara, 335. 



