378 



INDEX. 



PAGE. 



Shapley, Harlow, 218, 224, 226, 241, 242, 243, 262, 263 



Publications by 40 



Shapley, Martha B 228, 243 



Publication by 40 



Shaw, William Napier 284, 289, 310 



Sheep, Heredity in 140 



Shepherd, E. S., Publication by 40 



Publication on Composition of Gases 



of Kilauea 171 



Sherman. H. C v 



Publications by 40, 41 



Report on Investigations in Chemistry 328-330 



Shreve, Edith B., Publication by 41 



on Seasonal Changes in Water Relations 



of Desert Plants 101 



on Transpiration and Absorption by 



Roots of Fleshy Euphorbias 100 



Shreve, Forrest, on Soil Temperature Sur- 

 vey of United States and Canada. . 88 

 on Stem Analysis and Elongation of 



Shoots in Monterey Pine 88 



on Vegetation of a Desert Valley 87 



Publication by 41 



Shumway, Bertha M 227 



Siberian Coast, Magnetic Observations 



along 279 



Silica, Binary and Ternary Systems of 155 



Sine Galvanometer, Improvement in Design 294 



Sinnott, E. W 139 



Skin Temperature, Survey of 269 



Smith, Albert 281, 283, 292, 301 



Smith, Edgar F v 



Smith, H. Monmouth 268 



on Human Vitality and Efficiency under 



Prolonged Restricted Diet 275 



Publication by 30 



Smith, M. B 283 



Smith, Sinclair 227 



Smith, Theobald in, iv, 3 



Smyth, C. P 328 



Sobral, Brazil, Eclipse Observations in . 279, 280, 312 



Soil Aeration Experiments with Helium 85 



Soil Aeration, Influence upon Growth of 



Shoots 71 



Soil Temperature Survey of United States 



and Canada 88 



Solar Photography 228 



Solar Research 228 



Solar Rotation 234 



Solar Wave-Lengths with Interferometer... 236 

 Solution and Fixation accompanying Swell- 

 ing and Drying of BiocoUoids and 



Plant Tissues 64 



Somatic Selection, Alteration of Quality of a 



Population by 130 



Sosman, Robert B., Report as Acting Direc- 

 tor of Geophysical Laboratory. . . . 153-174 

 South America, Land-Survey and Special 



Expeditions in 288 



South America, Magnetic Work in 279 



Southern Liberia, Eclipse Observations in . . 280 



Spectrograms of Venus, Wave-Lengths in . . . 235 

 Spectroscopic Determinations of Luminosity 



and Parallax 246 



Spectroscopy of Nebulae and Star Clusters . . 249 



Speidel, Carl Caskey, Publication by 31 



PAOB. 



Spoehr, H. A., Publications by 31,38,41 



on Carbohydrate Supply and Respira- 

 tion 80 



on Effect of Organic Acids and their 

 Amino-Compounds on Hydration 



and Growth 62 



on Interrelation of Photosynthesis and 



Respiration 78 



on Origination of Xerophytism in Plants 99 

 on Solution and Fixation accompanying 

 Swelling and Drying of BiocoUoids 



and Plant Tissues 64 



Spooner, John C iv 



Death of 16 



Standardizing and Instrument Work, De- 

 partment of Terrestrial Magnetism. 283 

 Standardizing Magnetic Observatory at 



Washington 281 



Standards, Bureau of 298 



Star-Clusters, Investigation of 242 



Stark, A. B 325 



Stark Effect, Investigations of 257 



Stars and Nebulse, Investigation of 237 



Stars, Relation of Color to their Intrinsic 



Brightness 241 



State, Department of 191 



State Institutions, Statistical Study of 149 



Steiner, W. F 283, 301 



Stellar Motions, Investigations of 211 



Stellar Motions, Vertex of 212 



Stellar Photometry 241 



Stellar Spectroscopy 245 



Sterilization Laws 149 



Sterling, A 279, 280, 288, 290, 292, 312 



Stevens, B. F 178 



Stewart, Edith M 176 



Stickney, Mrs. S. C 270 



St. John, Charles E 218 



226, 227, 231, 234, 235, 236, 254 



Stock, Leo F 181, 184 



Publication by 41 



Stomata, Behavior of 333 



Publication by 41 



Streeter, George L v 



Report as Director, Department of 



Embryology 103-122 



Publication by 41 



Strom, C 285 



Stromberg, Gustaf 227, 245, 260 



Publication by 33 



Strong, L. C 140 



Sturges, Mary M 147 



Sturtevant, A. H., Publications by 30, 39, 41 



Report on Constitution of Hereditary 

 Materials of Drosophila melano- 



gaster 324-325 



Sun, Photographs of, with Ultra-Violet 



Light 231 



Sun's Magnetic Axis, Inclination of 233 



Sun-Spot Activity 229 



Sun-Spot Polarities 229 



Sun-Spots, Inclination of Lines of Force in . . 230 



Sun-Spots, Nature of 231 



Surrey, N. M. Miller 176, 179, 184 



Swann, W. F. G 305 



Taft. William H vr 



Takamine, Toshio 228, 256, 257, 258 



Publication by 41 



