INDEX. 



603 



Reynolds, 0., 516. Rotch, A. L., 

 516. 



Smith, J. B., 388. Spezia, G., 72. 

 Sutherland, W., 72. 



Tarr, R. S., 388, 515. Topler, A., 

 598. 



Wheeler, C. G., 296. 

 Observatory, Allegheny, publica- 

 tions, 386. 

 — Harvard College, 386. 

 Olsson, A., new genus of Palgechin- 



oidea, 442. 

 Optics, Physical, Wood. 61. 

 Ore deposits, types of, Bain, 292. 

 Osmotic pressure, determination, 



Trouton, 377. 

 Ostwald's BLlassiker der exacten 



Wissenschaften, 296. 



Paddle-Wheels, Photometric, Milne, 



157. 

 Paleontologia Universalis, 511. 

 Patten, W., Evolution of Vertebrates, 



590. 

 Peat, uses of, Davis, 383. 

 Peru, pre-historio human remains 



from Cuzco, Bingham, 297 ; Bow- 

 man, 306 ; Eaton, 325. 

 Petrographic methods, Weinschenk 



and Clark, 511. 

 — Microscopic Research, Wright, 512. 

 Physics, Hawkins. 589 ; Jones and 



Tatnall, 379 ; Mann, 590 ; Nichols 



and Blaker, 380 ; Reed and Guthe, 



285 ; Spinney, 157. 

 Physiography of Newfoundland, 



Twenhofel, 1. 

 Planeten, das Schicksal der, Arr- 



henius, 167. 

 Platinum, production in 1910, 67. 

 Postma, G. E., analysis of dahllite, 



voelckerite, etc., 475. 

 Potash in the United States, 69. 



Radio-active disintegration, effect of 



temperature, Russell, 587. 

 Radio-activity of Durkheim Waters, 



Ebler and Fellner, 59. 



— measurements, Barss, 546. 

 Radiotelegraphy, experiments, Aus- 

 tin, 59. 



Radium, deposit in electric field, 

 Wellisch and Bronson, 48. 



— magnetic spectra of #-rays, von 

 Baeyer, Meitner and Hahn, 281. 



Reed, J. O., College Physics, 285. 

 Roberts, E., Famous Chemists, 156. 



ROCKS. 



Anorthosite, Quebec, 263. 

 Granites of Connecticut, Dale and 



Gregory, 160. 

 Ilmenite rocks near St. Urbain, 



Quebec, Warren, 263. 

 Nephelite-syenite of Los, Lacroix, 



68. 

 Pegmatites, etc., of Narragansett 



Basin, Lahee, 447 ; pelites, psam- 



mites, psephites of, 354. 

 Rocks of Mt. McKinley region, 



Alaska, Brooks and Prindle, 161. 

 Topsailite, 68. 

 Urbainite, Quebec, 276. 

 Rogers, A. F., baddeleyite, Montana, 



54 ; lorandite, Wyoming, 105. 

 Rontgen radiation, production of, 

 Whiddington, 282. 



Saturn's ring, optical resolution, 

 Todd, 152. 



Schaller, W. T., crystallized tur- 

 quoise from Virginia, 35. 



See, T. J. J., Capture Theory of 

 Cosmical Evolution, 167. 



Seismological Society of America, 

 bulletin, 161. 



Sismologie moderne, de Ballore, 288. 



Smith, D. C, Geometry, 168. 



Smith, J. P., coral reefs in Triassic. 

 of No. America, 92. 



Smithsonian Institution, annual re- 

 port, 71, 165. 



Soil solution, Cameron, 512. 



Solid solution in minerals, 169, 433, 

 551. 



Sosman, R. B., nitrogen thermom- 

 eter scale, with boiling point of 

 sulphur, 517. 



Spectra, magnetic, of /3-rays of ra- 

 dium, 281 ; of thorium, 588. 



Spectrum of iron, wave-lengths, 283. 



Spinney, L. B., Physics, 157. 



Standards, Bureau of, bulletin, 59, 

 515. 



Starlit sky, intrinsic brightness, 

 Fabry, 280. 



Sulphur, boiling point, Day and Sos- 

 man, 517. 



Sun, Abbot, 61. 



Sun's energy-spectrum, Abbot, 285. 



Tatnall, R. R., Physics Problems, 



279. 

 Taylor, G., Australia, 289. 



