334 INDEX. 



PAGE 



Shaeffer, E. J 279 



Publications by 50, 51 



Shaw, E. W 183 



Shaw, W. N 263 



Shearer, J. S 317 



Shepherd, E. S., Pubhcations by 145, 146 



Shepherd, WilUam R., PubHcation by 157 



Sherman, H. C 29 



On Chemical Investigation of the Amylases 288 



Publication by 53 



Shive, J. W 79, 286 



Short, George C 182 



Shreve, Cora B 17 



Shreve, Edith B 30, 75 



On Automatic Movements of Stems of Opuntia 79 



On Transpiration of a Desert Tree 81 



Shreve, Forrest 16, 77, 82 



On Altitudinal Gradients of Growth-rate 76 



On Transpiration Behavior of Rain-forest Plants 74 



On Winter Temperature Phenomena in Santa Catalina Mountains 76 



Shull, Georce H 17, 97, 98, 100, 101, 103, 112 



Shumway, Bertha M 217, 231 



Sioussat, George L., PubUcation by 95 



Slade, William A., Publication by 157 



Sligh, W. H 263, 270 



Smith, Erwin F 30 



PubUcation by 53 



Smith, Leslie D 281 



Publication by 53 



Smith, H. M 245 



Smith, Ruth E 203, 231 



Social Legislation, Report on 94 



Solar Observatory at Mount Wilson 25 



Building for 13 



Solar Spectrum, Ultra-Violet Limit of 211 



Solar Vortices, Investigations on 210 



Somerville, A. A 317 



Sommer, H. Oskar 27, 30 



Publications by 33, 53 



Researches on Arthurian Romances 296 



Sonden, Klas 247 



Spectra, Classification of 219 



of Nebulae 220 



Spectroheliograph, Work with 203 



Spectrum of the Chromosphere 206 



Spoehr, H. A 16 



On Photolysis of Plant Acids 82 



On Photolytic Effect of Blue-Violet Rays 83 



Spooner, John C rv 



Sosman, Robert B., PubHcations by 53, 134, 136, 141, 144 



Sound heard beneath Surface of Water 167 



South America, Magnetic Work in 266 



Southard, E. E 115 



Sowers, Don C, Publication by 95 



Stars and Nebulae, Investigations of 212 



State Documents, Index of 91, 96 



Stellar, Parallaxes 213 



Photometry 214 



Spectroscopy 216 



Stewart, O. J 279 



St. John, Charles E 195, 201, 207, 209, 210, 211, 226, 227, 231 



Publication by 54 



Stock, Leo F 155, 162 



Stone, Alfred Holt 95 



Stormer, Carl 26, 195, 202, 209, 210, 211 



Publication by 54 



Sumner, Helen L 94 



