INDEX. 



487 



Physiologie, Beitrage zur cheniischen, 



Hofmeister, 337. 

 Polariscope, Rolfe, 174. 

 Prosser, C. S., use of name Buena 



Vista for a geol. terrain, 181. 

 Proteids. chemistry of, Mann, 407. 



Quebec, metamorphic rocks of St. 

 Francis Valley, Dresser, 67. 



— glaciation of Orford and Sutton 

 Mts., Wilson, 196. 



R 



Radiation from ordinary materials, 

 Campbell, 249. 



Radio-activity of polonium, Curie, 

 326 ; of the salts of radium, Bolt- 

 wood, 409 ; of thorium, Dadourian, 

 427 ; of thorium minerals and salts, 

 Boltwood, 415; retardation of the 

 velocity of a particles in, Ruther- 

 ford, 399. 



Radium, atomic weight of, Jones, 

 397. 



— crystal photography, Walter, 466. 



— properties of a-rays, Rutherford, 

 172. 



— radio-activity of the salts of, Bolt- 

 wood, 409. 



Randall, D. L., ferric chloride in 

 the zinc reductor, 128. 



Read, T. T., re-formation of soda- 

 leacite, 294. 



Relay, telephone, J. Trowbridge, 

 339 ; Jensen and Sieveking, 173. 



Ries, H., Economic Geology of the 

 United States, 256. 



Righi, A., Modern Theory of Physi- 

 cal Phenomena, 328. 



ROCKS. 



Analyses of igneous rocks, Osann, 

 183. 



Cancrinite-syenite from Kuolajarvi, 

 Sundell, 254. 



Igneous rocks, phenocrysts in,Miers, 

 182 ; of Finland, and Kola penin- 

 sula, Hackman, 85. 



Metamorphic rocks of St. Francis 

 Valley, Quebec, Dresser, 67. 



Peridotites of N. Carolina, Pratt 

 and Lewis, 253. 



Petrography of northwest Green- 

 land, Belowsky, 184. 

 Rolfe, G. W., Polariscope, 174. 

 Rontgen and cathode rays, ionization, 



Herweg, 327. 



— rays, heating effects, Bumstead, 1. 



Ross, W. H., radio-activity of tho- 

 rium compounds, 433. 



Russia, Piatigorsk, laccoliths of, V. 

 de Derwies, 184. 



Rutherford, E., properties of a-rays 

 from radium, 172 ; retardation of 

 velocity of a particles, 399. 



Sabine, W. C, Physical Measure- 

 ments, 467. 



Salisbury, R. D., Geology, 400. 



Salts, determination of tbe specific 

 gravity, Buchanan, 25. 



Sarle, on Arthrophycus and Daeda- 

 lus, 330. 



Schaller, W. T., siderite and barite 

 from Maryland, 364. 



Sears, J. H., geology, etc., of Essex 

 Co., Mass., 255. 



Smithsonian Institution, annual re- 

 port, June 1905, 259. 



Soils, formation of, Hilgard, 261. 



South Africa, diamond fissures, Har- 

 ger, 471. 



Spark potentials, Toepler, 249. 



Specific gravity of soluble salts, de- 

 termination of, Buchanan, 25. 



Spectrum of Auer burner, Rubens, 

 172. 



— of the high tension flaming dis- 

 charge, Walter, 465. 



Spurr, J. E., geology of Tonopah 

 mining district, Nevada, 83. 



Stanton, T. W., geology of the 

 Judith River Beds, 177. 



Steam, superheated, specific heat, 

 Rubens and Kenning, 173. 



Stokes, Sir G. G., Mathematical and 

 Physical Papers, 174. 



Sun, total eclipse of, 1907, 245. 



Tassin, W., analysis of meteorite 

 from Kansas, 356. 



Telegraphy, wireless, influence of 

 the earth in, Sachs, 80. 



Telephone relay, microphone contact 

 for, Jensen and Sieveking, 173 ; 

 Trowbridge, 339. 



Temiskaming, cobalt-nickel arsen- 

 ides, Miller, 256. 



Texas, Jurassic formation, paleon- 

 tology, Cragin, 179. 



— new mercury mineral, Hillebrand, 

 85. 



— new meteorite from, Howard, 186. 



