3S0 



INDEX. 



PAGE. 



Solar Rotation 1S9 



Solar Spectrum, Wave-lengths of Lines in . . 1S9 



Somites, 20 Paired, Human Embrj'O 80 



Sosman, Robert B iv 



Publication by 28 



Theor>- of Structure and Polymorphism 



of Silica 134 



Spinal Region, Arachnoid Granulations in. . . 78 



Spoehr, H. A iv, IS, 53 



Effect of Fluctuations in CO2 Content 

 of Atmosphere on Rate of Respiration 



of Leaves 52 



Effect of L'ltra-\-iolet Light on Car- 



bamino Acids 54 



Electro-metric Methods of Determining 

 Carbon-dioxide for Photosynthesis In- 

 vestigations 51 



Oxidation of Glucose by Means of Air . . 55 



Publications by 28 



Spooner, John C ni, x 



Stars, Radiometric Observations of 205 



Researches on 196-205 



Steers, Composition of Urine of 220 



Metabolism of 221 



Stellar Diameters, Interferometer Measure- 

 ments of 204 



Parallax 1~3 



Photometry 197 



Research in 215 



Spectroscopy 198 



Stem Analysis of Monterey Pine and Red- 

 wood 44 



Stewart, J. Q 247 



St. John, Charles E., iv, 183, 184, 189, 190, 191, 210 



Publications bj' 28 



Stock, Chester 352 



Stock, Leo F rv, 155, 156 



Publications by 28 



Strand Vegetation of Pacific Coast 65 



Streeter, George L rv, 18 



Publications by 28 



Report of Department of Embrj-ologj- . . 67-85 

 Stromberg. Gustav, iv. 183, 185, 195, 200, 203, 238 



Publications by 19, 28 



Strong, L. C 107, 108 



Sturtevant, A. H v, 97 



Germ Material in Relation to Heredity. 283 



Sun, General Magnetic Field of 189 



Radiometric Observations of 190 



Sun-spot Acti\ity 187 



Invisible 188 



Polarity 187 



Spectra 189 



Surrey, X. M. MUler 149, 150 



Sverdrup, H. U 238, 242 



Swezy. Olive 280 



Publications by 24, 28 



Swift, Ernest H 292 



Publication by 28 



Sykes, Godfrey iv 



Taft, William H in 



Tanaka, T 359, 360 



Tasker, Arthur N vii 



Report on Index Medicus 278 



Tatlock, John S. P vi 



PAGE. 



Taxonomy, Experimental, Studies in 308 



Haplopappus 309 



Madieae 310 



Phylogenetic Method of 309 



Taylor, Henry Ling 113 



Taylor, W. C, Principles and Methods of 



Bio-ecologj- 314 



Taylor, W. P., on Destruction of Range by 



Prairie-dogs 314 



Tennent, Da^-id H n', 18 



Hybridization of Echinoids 169 



Terrestrial Electricity, Experimental Work in 232 



Terrestrial Magnetism and Electricity 231 



Report of Department of 229-266 



Tetraploid Plants, Non-Disjunction in 94 



Tetraploidy and Evolution 95 



Thermo-Couples, Vacuum 209 



Thompson, J. D 246 



Thomson, Andrew v, 241, 242, 263, 264 



Thomley, Isobel D 149 



Thorsen, Th. G 152 



Tibbetts, Emma L 231 



Titanium, Study of Spectnun of 206 



Tolman, R. C 293, 294, 358 



Torreson, O. W v, 323 



Torrey, R. E 354 



Training Corps, Eugenics 125 



Traits, Inheritance of Special 106, 111 



Treadwell, A. L 18 



Tubal Epithelium, Cyclic Changes in 81 



Tumors, Zanthomatous, Giant Centro- 



spheres in 70 



Twins, Monochorionic, Formation of 85 



Twins, Single Yolk, Origin of 120 



Tyndall, A 242 



Uljanin, W 243 



Uterus and Tubes, Cyclic Changes in Smooth 



Muscle of 81 



Van Deman, Esther B v, vii, 276, 277 



Publications by 28 



Roman Archaeology 274-275 



van Laer, H. J. F 151 



van Maanen, Adriaan rv, 183, 184, 185, 193, 



195, 196, 204 



Publications by 28, 29 



van Rhijn, P. J 197, 201 



Varnum, William B rv, 178 



Vascular System 73 



Vaughan, T. Wayland rv 



Molluscan Fauna, Fossils, Corals, and 



Bottom Samples 171 



Veins, Growth of, by Sprouting 74 



Venous System, Absorption of Cerebrospinal 



Fluid into 77 



Venus, Rotation Period of 191 



Vicari, E 107 



Vicker>-, Fred P 342, 363 



Vickery, Hubert Bradford v 



Publications by 29 



Volcano Studies 130 



Wait, G. R V, 240. 241 



Earthquake Records, Watheroo Mag- 



netograms 266 



Equipment, Installations, and Work of 



Watheroo Magnetic Observatory. . . . 266 



