37] 



VOLUMES XLI-L. 



515 



Spencer, J. F., Metals of Rare 



Earths, 49, 78. 

 Spencer, J. W., origin and age of 



the Ontario Shore-line, 43, 351. 

 Spencer, S. R., separation of 



caesium, etc., 42, 279. 

 Sphere moving in a liquid, inertia, 



Cook, 49, 379. 

 — plotting crystal zones on, Blake, 



43, 237. 

 Spheroid, rotating, straticulate, 



Keyes, 47, 108. 

 Spiritualism, report of Seybert 



Commission, 50, 81; Truth of, 



Mrs. D. Humphreys, 50, 81. 

 Springer, F., Mysticocrinus, 46, 

 • 666. 

 Standards, Bureau of, report, 49, 



155. 



Stansfield, J., retarded diffusion 

 and rhythmic precipitation, 43, 1. 



Starling, E. H., Lecture on the 

 Heart, 45, 424. 



Stars of the Southern Heavens, 

 Catalogue, Delavan, 49, 225. 



Steels, Graphite, etc., Analysis, 

 Johnson, 47, 297. 



Stefanini, G., geological history of 

 Venetia, 44, 299. 



Steiger, G., sulphatic cancrinite 

 from Colorado, 42, 332. 



Sterrett, D. B., Gems and Precious 

 Stones in 1914, 41, 223. 



Stevens, W. C, Plant Anatomy, 

 42, 284. 



Stevenson, J. J., origin of form- 

 kohle, 43, 211. 



Stillman, T. B., Engineering Chem- 

 istry, 43, 166. 



Stoddard, J. T„ Organic Chemistry, 

 47, 135. 



Stoichiometry, Young, 46, 689. 



Stone Age, Men of, Osborn, 41, 217. 



Stratigraphy of Eastern New Mex- 

 ico, Baker, 49, 99; Lee, 49, 323. 



Stromboli, augite, Kozu and Wash- 

 ington, 45, 463; lava eruption, 

 1915, Perret, 42, 443. 



Strutt, R. J., electric discharges in 

 gases and vapors, 45, 234. 



Succinic Acid. See CHEMISTRY. 



Suess, E., Face de la Terre, 47, 235. 



Sulphides, dissociation pressures 

 of, Allen and Lombard, 43, 175. 



Sulphite, liquor, utilization, Tartar, 

 4i, 367. 



Sulphur, recovery, Wells, 44, 330. 



Sun-spots, nature, Hale, 47, 302. 



Surface Tension and Energy, Wil- 

 lows and Hatschek, 47, 302. 



Switch, electric, White, 46, 610. 



Switch for Thermoelement work, 

 and other measurements, White, 

 41, 307. 



Taber, S., growth of crystals under 



external pressure, 41, 532. 

 Tables for Engineers, etc., Ferris, 



47, 309. 

 Taconic system, Schuchert, 47, 113. 

 Tactite, Hess, 48, 377. 

 Tampico, geology, Dumble, 47, 79. 

 Tarr, W. A., origin of chert in the 



Burlington limestone, 44, 409; 



45, 149- 

 Tashiro, S., Chemical Sign of Life, 



44, 84. 

 Tear-figures of minerals, Kuhara, 



47, 448. 



Technical Review, 50, 81. 



Teeth, Filling, etc., Johnson, 46, 

 772. 



Telegraphy, Lee, 45, 237. 



Telephone, Kingsbury, 41, 297. 



Temperature coefficient of a heter- 

 ogeneous reaction, Van Name. 



43, 449- 



— equilibrium of a body exposed 

 to radiation, Fabry, 44, 480. 



— variation, mean annual, Arctow- 

 ski, 43, 402. 



Tennessee, Devonian of, Dunbar, 

 49, 307; geology of Rutherford 

 Co., Galloway, 50, 239. 



Ternary system, CaO-MgO-Si0 2 , 

 Ferguson and Merwin, 48, 81, 

 165; MgO-Al 2 0,-Si0 2 , Rankin 

 and Merwin, 45, 301. 



Test, L. A., Qualitative Analysis, 



48, 469. 



Texas, Butler salt dome, Powers, 



49, 127; Dinosaur tracks, Shuler, 



44, 294. 



— geology of, Udden, Baker and 

 Bose, 43, 252; Dumble, 50, 238; 

 of Glass Mts., Udden, Baker and 

 Bowman, 47, 79, 387; Bose, 47, 

 305. 



— Mineral Resources, Phillips, 41, 

 224. 



— Pectinidae, Kniker, 47, 234. 



— Permo-Carboniferous, ammo- 

 noids of, Bose, 47, 305. 



— University bulletin, 44, 158. 

 Thaxter, R., obituary notice of W. 



G. Farlow, 49, 87. 

 Thermochemistry of silicon, Mix- 



ter, 42, 125. 

 Thermoelement work, switch for, 



White, 41, 307. 



