INDEX. 



647 



Van Vleck. J. M., 120. Von Ko- 



ken, E., 204. 

 Ward, L. F., 642. Witkowski, 336. 



Wright, W. G., 336. 

 Observatory publications. Allegheny, 

 203. 



— Princeton, 203. 



— Yale, 335. 



Ocean-depth charts of the Berlin 



Institute, 551. 

 Oil-Finding, Craig and Redwood, 



112. 

 Optics, Drude and Gehrcke, 193. 



— Geometrical, Percival, 327. 

 Organic Compounds, Preparation, 



Barnett, 190. 

 Osmotic Pressure, Findlay, 541. 

 Ostwald, W., cler energetische Im- 



perativ, 326. 

 Oxidations and Reductions in the 



Animal Body, Dakin, 118. 



Protein Metabolism, Physiology, 



Cathcart, 116. 

 Proteins, Chemical Constitution, 



Plimmer, 117. 

 Protozoa, Minchin, 114. 

 Psychology, Founders of, Hall, 203. 

 Radiation in the earth's atmosphere, 



Bigelow, 254. 

 — of the sky, Very, 369. 

 Radio-activity, Bragg, 193 ; Makower 



and Geiger, 328. 

 Radio-elements, Soddy, 538. 

 Radium and Radio-activity, Cameron, 



456. 

 Rays, see alpha-, gamma-, X-rays. 

 Ries, H., Building Stones and Clay 



Products, 112. 

 Rocks, Origin and Evolution, Vialay, 



552. 

 Rogers, A. F., delafossite from Bis- 



bee, Arizona, 290. 

 Ruedemann, R., Eurypterida of 



New York, 458. 



Palaeontologia Universalis, 550. 



Palmer, A. deF., Theory of Measure- 

 ments, 191. 



Pennsylvania geol. survey, 106. 



Perret, F. A., papers on Kilauea: 

 lava fountains, 139 ; floating islands, 

 273 ; Halemaumau lava lake, 337 ; 

 subsidence phenomena, 469 , ejecta- 

 menta, 611. 



Petrographic microscope work, ob- 

 lique illumination in, Wright, 63 ; 

 index ellipsoid, Wright, 133. 



Petrology, Hatch and Rastall, 464. 



Phillips, A. H., Mineralogy, 113. 



Physical Laboratory Guide, Reeve, 

 191. 



— Review. 329. 

 Physics, Watson, 104. 



— Mathematical, Houston, 328. 

 Physiology, Nutritional, Stiles, 



117. 



Pittsburgh Flood Commission, re- 

 port, 107. 



Plant, new from Brazil, White, 633. 



Plimpton, S. J., recombination of 

 ions, .39. 



Pogue, J. E., cerussite twin from 

 Arizona, 90. 



Pressures, effect of high, on proper- 

 ties of solids, Johnston and Adams, 

 205. 



Princeton Observatory. 203. 



Prisms, deviation produced by, 

 Uhler, 389. 



Prospects, Examination of, Gunther, 

 112. 



Protein Element in Nutrition. McCav. 

 118. 



Savage, T. E., new species of arthro- 

 pods from Illinois, 149. 



Schuchert, C, Dinosaurs of East 

 Africa, 34. 



Science Reports, Tohoku University, 

 Japan, 558. 



Smithsonian Institution, Annual re- 

 port, 200, 201. 



Soil Conditions and Plant Growth, 

 Russell, 118. 



Solids, effect of high pressures on, 

 Johnston and Adams, 205. 



South Africa, Paleontology, Broomj 

 574. 



— Prehistoric Period, Johnson, 559. 



South Dakota geol. survey, 462. 



Spectroscopy, Balv, 457; Kayser, 

 102. 



Spencer, J. W., earth-movements of 

 Eastern America, 561. 



Star-fishes, revision. Verrill, 477. 



Stevenson, J. J., formation of coal 

 beds, 546. 



Stifler, W. W. apparatus for labo- 

 ratory experiments, 535. 



Tables, etc., for Engineers, Ferris. 



558. 

 Thorpe, E., Dictionary of Applied 



Chemistry, 190. 



Uhler, H. S., deviation produced by 

 prisms, 389. 



