INDEX. 



489 



Petrographisches Prakticuni, Rhei- 

 nisch, 180. 



Phelps, I. K., determination of ni- 

 trates in absence of air, 199 ; use of 

 ferrous sulphate in estimation of 

 chlorates and borates, 201. 



Philippine Flora, Perkins, 481. 



— Islands, botany of, 482 ; iron 

 region of Bulacan, McCaskey, 329. 



Phosphorescence, Dahms, 326. 



Physical Laboratoiy Manual, Cole- 

 man, 89. 



Physics, Laboratory, Miller, 89. 



Physiologie, Beitrage zur chernis- 

 chen, Hofmeister, 96, 331. 



Physique du Globe, etc., Berget, 409. 



Planck, M., Thermodynamics, 247. 



Planetary System, Taylor, 184. 



Radio-active gas from soil and water 

 at New Haven, Bumstead and 

 Wheeler, 97. 



Radio-activity, atmospheric, in high 

 latitudes, Simpson, 398. 



— of certain minerals, Strutt, 398. 

 Radium, etc., action on minerals, 



Baskerville and Kunz, 179. 



— emanation, heating effect, Ruther- 

 ford and Barnes, 327 ; nature of, 

 Kelvin, 327. 



— See Chemistry. 

 Radium-barium compounds, effects 



on rare earth oxides, Kunz and 



Baskerville, 79. 

 Raymond, P. E., common Devonian 



brachiopods, 279. 

 Reade, T. M., Evolution of Earth 



Structure, 250. 

 Rice, W. N., Christian Faith in an 



Age of Science, 330. 

 Richards, R. W., chalcopyrite, 425. 

 Riggs, E. S., Dinosaur footprints 



from Arizona, 423. 



ROCKS. 



Alkaline, from Madagascar, Lacroix, 

 180. 



Brome Mt., Quebec, Dresser, 350. 



Calcite-prehnite cement rock, Holy- 

 oke range, Emerson, 277. 



Igneous, chemical composition, 

 Iddings, 179. 



Nepheline rock, new, Ontario, Can- 

 ada, Adams, 269. 



of the Nugsuaks Peninsula, Green- 

 land, Phalen, 181. 

 Rontgen rays, effect of temperature 



on ionization by, McClung, 245. 



Rowland effect, Himstedt, 175. 

 Russell, I. C, massive-solid volcanic 

 eruptions, 253. 



Salisbury, R. D., Geology, 480. 



Schaller, W. T., on California min- 

 erals, 191 ; on lawsonite, 195. 



Schuchert, C, obituary notice of C. 

 E. Beecher, 411. 



Scientia, No. 22, 252. 



Scribner, G. H., Where did Life be- 

 gin ?, 332. 



Silica, optical properties of vitreous, 

 Gifford and Shenstone, 399. 



Smith, J. P., periodic migrations, 

 between Asia and America, 217. 



Smithsonian Institution, report, 251. 



Solar Eclipse Expedition, report, 

 Astrophysical Observatory, Lang- 

 ley, 409. 



— radiation and the pressure of light, 

 Poynting, 173. 



Solids, compressibility of, Buchanan, 

 474. 



South Africa Geol. Society, 178. 



Speyers, C. L., molecular weights 

 of liquids, 427. 



Steinmann, G., Palaeontologie, 249. 



Sterrett, D. B., tourmaline from San 

 Diego, Calif. , 459. 



Taconic range, geology, Dale. 185. 

 Tasmania, glacial geology, Gregory, 



328. 

 Telegraphy, wireless, Chant, 1. 

 Thermodynamics, Planck, 247. 

 Thomson, J. J., magnetic properties 



of corpuscles, 88. 

 Toxicity, relation of mass action, 



etc., Dandeno, 437. 

 Tuttle, G. W., changes of elevation 



of land and sea near New York 



City, 333. 



U 



Ultra-violet, thermal junction in, 



Pfhiger, 473. 

 United States Coast Survey, report, 



409. 



— Geol. survey, see Geological, Re- 

 ports. 



— Naval Observatory, 332. 

 Uranium, analytical Chemistry, 



Brearley, 173. 



