INDEX. 



479 



Photography, Lippman's color, 



Pfaundler, 463. 

 Physics, General, Ames, 465. 

 Physik, Lehrbuch, Chwolson, 86. 

 Physikalische Technik, Lekmann, 



313. 

 Physiologie, Beitrage zur Chemis- 



chen, Hofmeister, 402. 

 Pickering, W. H., study of the 



moon, 314, 400. 

 Plowman, A. B., electrotropism of 



roots, 145, 228. 



Radio-active gas from crude petro- 

 leum, Burton, 392. 



— lead and polonium, Debierne, 389. 



Radio-activity, atmospheric, Bum- 

 stead, 1 ; and matter, Winkler, 81 ; 

 of natural waters, Boltwood, 378. 



Radium, emanations, Ramsay, 391 ; 

 action, on diamond, Crookes, 388. 



— penetrating rays, Paschen, 83. 



— ratio to uranium in minerals, Bolt- 



wood, 97. 



— slow transformation products of, 



Eutherford, 464. 



— and the electron theory, Trow- 



bridge and Rollins, 77. 



Ransome, F. L., geology of Bisbee 

 Quadrangle, Arizona, 237 ; geology 

 of the Globe Copper District, Ari- 

 zona, 157. 



Resonance in alternating circuits, 

 Chevrier, 88. 



Rhodes, S. N., Mammals of Penn- 

 sylvania and New Jersey, 161. 



ROCKS. 



Igneous rocks, analyses from Roth's 

 Tabellen, Washington, 237. 



Kali-Syenit des Piz Giuf und Um- 

 gebung, Weber, 399. 



Chemical Analysis, Washington, 

 398. 



Rocks of Nugsuaks Peninsula Green- 

 land, Phelan, 399. 



Volcanic pipes of Sutherland, 

 Rogers and du Toit, 472. 

 Rollins, W., radium and the electron 



theory, 77. 

 Rowe, pseudomorphs and crystal 



cavities, 80. 



Sands and sediments, Reade and Hol- 

 land, 396. 

 Scientia, 89. 



Schuchert, C, review of Kindle and 

 Breger on Indiana Niagara, 465. 



Sellards, E. H., structure of Paleo- 

 zoic cockroaches, 113, 213. 



Shaler, N. S., Features of Earth and 

 Moon, 314. 



Spectra of gases at high temperatures, 

 Trowbridge, 420. 



Spectrum, oxygen absorption bands 

 in solar, Lester, 147. 



— water vapor in the infra-red solar, 

 Fowle, 393. 



Springs, helical, transverse vibra- 

 tions, Bronson, 59. 



St. Lawrence, submerged tributary, 

 Poole, 396. 



— Valley, origin of shore lines, Chal- 

 mers, 175. 



St. Louis Scientific Congress, 162. 



Stereochemie, Materialien der, Bisch- 

 off, 463. 



Sterrett, D. B., calcite twins from 

 Joplin, Mo., 73. 



Sutton, F., volumetric analysis, 390. 



Swinburne, J., Entropy or Thermo- 

 dynamics, 87. 



Tables, Reference, Hering, 96. 



Tallman, M. C, bitumen in fossil 

 egg, 363. 



Telescope, Nolan, 88. 



Thomson, J. J., Electricity and Mat- 

 ter, 88. 



Thorne, N. C, precipitation of ba- 

 rium bromide, 441. 



Transvaal, So. Africa, glacial con- 

 glomerate, Mellor, 89. 



Treadwell, F. P., Analytical Chem- 

 istry, vol. II, 82. 



Trowbridge, J., radium and the elec- 

 tron theory, 77 ; spectra of gases at 

 high temperatures, 420. 



Turtles, fossil in the Marsh Collec- 

 tion, Hay, 261 ; Upper Cretaceous 

 of New Jersey, Wieland, 183. 



U 



Ulrich, E. O., zinc and lead deposits 



of Arkansas, 470. 

 United States geol. survev, 157, 237, 



394. 



Vancouver, Cretaceous fossils from, 



Whiteaves, 287. 

 Vibrations, transverse, of helical 



springs, Bronson, 59. 

 Volumetric Analysis, Sutton, 390. 



