402 INDEX. 



PAGE. 



Scheetz, Mildred E 386 



Schlaginhaufon, O Ill 



SchmoUer, Gust, von 99 



Scott, James Brown 10 



Scott, Katherine J 106 



Publication by 33 



Scudder, Mary T 121 



Seares, Frederick H 232, 240, 246, 247, 248, 261 



Publications by 33 



Scase, V. B 351 



Sea-water, Analyses of 175 



l^^xperiments with 207 



Sex in Birds 127 



in Mucors 130 



Significance and Control of 127 



Shaeffer, E. J 345 



Shapley, Harlow 233, 245, 246, 247, 249, 254, 261 



Publications by 26, 33, 34 



Shapley, Martha Bctz, Publication by 34 



Sherburne, Gardner 267 



Sherman, H. C 20, 46 



Chemical Investigations of 356 



Publication by 34 



Shipley, J. W., Publications by 33, 34 



Shipley, Paul G 105, 107, 108 



Publications by 34 



Shoal-water Corals, Floridian and Bahaman 178 



Shreve, Edith B., Publications by 31 , 34 



Shreve, Forrest 21 



Map of United States from a Purely Vegetational Standpoint 72 



R61e of determining Distribution of Vegetation 69 



Shumway, Bertha M 262 



Sill, Herbert Fowler 355 



Skey, H. F 316 



Smith, A. M 57, 59 



Smith, Erwin F 10 



Smith, H. M 273, 278 



Smith, Theobald (3), (4), xi 



Soil Aeration relation to Plant Growth 78 



Solar and Terrestrial Lines, Relative Positions of 240 



Photography at Mount Wilson 234 



Research at Mount Wilson 234 



Sommer, H. Oskar 10, 21, 23 



Sosman, R. B., Publications by 30, 34, 146, 147, 150, 155, 156 



South America, Work on Terrestrial Magnetism 317 



Spectra of Ceplieid Variables 253 



of " Furnace-Flame " 258 



Production of Cathodo-luminescent 260 



Spoehr, H. A., Carbohydrate Economy of Cacti 54 



Publications by 34 



Studies in Photosynthesis 54 



Spohn, A. A., Publications by 33, 34 



Spooner, John C (4) 



Stager, Henry W 21, 23 



Star Catalogue 21 



Stark Effect 238 



Starkweather, H. W 344 



State Documents, Indexes of 47, 98 



Stellar Parallax, Spectral Determinations of 252 



Photometry 246 



Spectra, Classification of 251 



Spectroscopy 250 



Stephens, J. L 338, 339 



Sterling, A 290, 317 



Stevenson, Edward L 166 



Stewart, O. J., Publications by 27, 34 



St. John, Charles E 222, 232, 234, 236, 240, 241, 262 



Publications bv 34 



