Index. 



509 



Salts, triple, discussion of, Wells, | 



27- 



Sodium-hydrogen acetate, struc- 

 ture. Wyckoff, 193. 



Strontium and barium silicates, 

 Eskola, 331. 



Sulphur, determination in iron 

 and steel, Pulsifer. 74. 



Tungsten, decomposition at high 

 temperatures; YVendt and 

 Irion, 322. 



Volumetric method, new, Dutoit 

 and Grofet, 413. 



Zinc bromate hexahvdrate, struc- 

 ture. Wyckoff, 188. 

 China, antimony mines, Hubbard, 



453- 



Clark, T. H., new trilobite append- 

 age, 245. 



Climate, effect of Earth and Sun 

 on. Huntington and Visher, 503. 



Cockayne, L., Vegetation of New J 

 Zealand. 86. 



Colloids, formation, Svedberg. 499; 

 in geologic problems, Hubbard, i 

 95. 



Cone-in-Cone, V . A. Tarr, 199. 



Connecticut, Triassic rocks, struc- 

 ture. Longwell, 22$. 



— Triassic fault in, Russell, 483. 

 Cook, C. W., ilsemannite, 50. 

 Crossotheca of Rhode Island Car- 

 boniferous. Round. 131. 



Crystal, cubic, determination of the 

 space group, Wyckoff, 175. 



— Structure, Wyckoff, ammonium 

 chloride, 469; sodium hydrogen] 

 acetate, 193; zinc bromate hexa- 

 hydrate, 188. 



Crystals, amphisymmetric. Wherry, 

 237; see Wyckoff. 469 et seq. 



Curtis, W. C, Biology in relation 

 to Science and Human Affairs, 

 327. 



D 



Dall, W. H., fossils of the Olympic j 



Peninsula, 305. 

 Diener, C, history of ammonites, 



120. 

 Downing, E. R., Naturalist in the 



Great Lakes, 85. 

 Dutrochet, R., Mouvements des | 



Vegetaux. 86. 



E 

 Earth and Sun, climatic effects, 



Huntington and Visher, 503. 

 Eaton, G. F., John Day Felidse in 



the Marsh Collection, 425. 



Einstein Theory of Gravitation, 



Mie and Rossignol, 77. 

 Engler, A., die Pflanzenwelt Afri- 



kas, 86. 

 Eskola, P., silicates of strontium 



and barium, 331. 



Feldspar, melting of potash, Morey 

 and Bowen, 1. 



Fclidae, John Day, Eaton, 425. 



v ield Museum, report, 422. 



Fisher, A., Theory of Probabilities, 

 417. 



Flatteley, F. W., Biology of Sea- 

 Shore, 328. 



Foote, P. D., Origin of Spectra, 

 502. 



Friction and lubrication, Hardy 

 and Doubleday. 75. 



Friend, J. N., Chemistry of Com- 

 bustion, 414. 



G 



Gems, etc., in the U. S. Nat. Mus- 

 eum, Merrill, 83. 



Genetics, Walter, 84. 



Geologie, Revue de, 252. 



Geology of Broken Hill District, 

 Andrews, 504. 



GEOLOGICAL REPORTS. 



New South Wales, 504. 



Pennsylvania, 83. 



United States, 42d annual report, 



79; other publications, 80; 



director, 507. 

 Virginia, 83. 



GEOLOGY. 



Ammonites, history, Diener, 120. 

 Broken Hill District, geology, 



Andrews, 504. 

 Callixylon, Mid-Devonian, Hy- 



lander, 315. 

 Carboniferous, Crossotheca of 



Rhode Island, Round, 131. 

 Colloids in geology, Hubbard, 95. 

 Cone-in-cone, Tarr, 199. 

 Devonian, Minnesota, Stauffer, 



396. 



Dogwood flower, fossil, Knowl- 

 ton, 136. 



Drumheller coal field, Alberta, 

 geology, Allan, 83. 



Fauna, Pottsville, of Ohio, Morn- 

 ingstar, 502. 



Felidse, John Day, in Marsh Col- 

 lection, Eaton, 425. 



