INDEX. 



675 



Pacific Coast, Nature and Science 

 on, 670. 



Page, L., energy of a moving elec- 

 tron, 116. 



Palmer, C. I., Plane Geometry, 519. 



Parker, G. W., Optics, 82. 



Peek, F. W., Jr., Dielectric Phenom- 

 ena with High Voltages, 82. 



Pennsylvania, geol. survey, 218. 



— new cephalopod from Silurian of, 

 Mook, 617. 



Peru, ancient bronze from Machu 

 Picchu, Mathewson, 525. 



Petrographie, physicalisch - chem- 

 ische, Boeke, 664. 



Phillips, F. C, Chemical German, 

 659. 



Pirsson, L. V., microscopical char 

 acters of volcanic tuffs, 191 ; Text 

 Book of Geology, 663. 



Pogue, J. E., Turquoise, 220. 



Princeton University Observatory, 

 publications, 669. 



Radioactivity and Matter, Jones, 



518. 

 — of spring water, Eamsay, 309. 

 Radium-uranium ratio in carnotites, 



Lind and Whittemore, 83. 

 Ramsay, R. R., radioactivity of 



spring water, 309. 

 Reedy, J. H., anodic potentials of 



silver, 281, 400. 

 Robinson, W. I., new fresh-water 



gastropods from Arizona Mezosoie, 



649. 



ROCKS. 



Canadite, schistose, 417. 



Haplobasaltic, etc., magmas, Bow- 

 en, 161. 



Lavas of Hawaii, Cross, 88. 



Magmas, crystallization, Bowen, 

 161. 



Monmouthite, Ontario, 424. 



Nephelite pegmatite, Ontario, 418. 



Nephelite syenite, Ontario, 416. 



Northfieldite, Emerson, 212. 



Pegmatite and pegmatite schist, 

 Emerson, 212. 



Tuffs, volcanic, microscopical char- 

 acter, Pirsson, 191. 

 Rumford medal awarded to Dr. C. G. 



Abbot, 96. 



Sarawak, museum, Thirteenth Re- 

 port, 222. 

 Schuchert, C, Text-Book of Geology, 



663 

 Sellards, E. H., new Tertiary gavial 



from Florida, 135 ; Chlamytherium 



from Pleistocene of Florida, 139. 

 Shimer, H. W., post-glacial history 



of Boston, 437. 

 Silver, anodic potentials, Reedy, 281, 



400. 

 Social Problem, Ellwood, 317. 

 Societal Evolution, Keller, 318. 

 Sodium vapor, fluorescence, etc., 



Wood and Strutt, 661. 

 Sollas, W. J., Ancient and Modern 



Hunters, 220. 

 Sounds from firing cannon and rifles, 



Agnus, G60. 

 Spectra, crossed, interferences of, 



Barns, 486. 

 — flame, study of, Browning, 507. 

 Spencer, L. J., Constants of crystals, 



Stark, J., Atomdynamik, 517. 



Stark effects for solids, Mendenhall, 

 447. 



Strand line, movements in Pleisto- 

 cene, etc., Barrell, 1. 



Stream piracy of Provo and Weber 

 Rivers, Anderson, 314. 



Tarr, W. A., native silver in glacial 



material, Columbia, Mo., 219. 

 Taylor, D. P., Plane Geometry, 519. 

 Texas, fossils from, Case, 474 ; Trox- 



ell, 479. 

 — Rustler Springs formation, Udden, 



151. 

 Thompson, S. P., Electricity and 



Magnetism, 661. 

 Thorpe, E., Alcoholometric Tables, 



515. 

 Troxell, E. L., fossil ruminant from 



Texas, 479. 

 Twenhofel, W. H., black shale in 



the making, 272. 



U 



Udden, J. A., age of Castile gypsum 

 and Rustler Springs formation, 151. 



United States Bureau of Mines, 87. 



— geol. survey, 85, 519. 



Utah, stream piracy in, Anderson, 

 314. 



