INDEX. 



475 



Chemical Analysis, Manual of, Prost 



and Smith, 453. 

 — Engineer, 204. 



CHEMISTRY. 



Air in blast-furnaces, use of dried, 

 Le Chatelier, 192. 



Aluminium, double silicides of, 

 Manchot and Kieser, 243. 



Ammonia in water, process for de- 

 tecting, Trillot and Turchet, 323. 



Calcium, metallic, Arndt, 191. 



— carbide, use in mining, Guedras, 

 244. 



Carbon and its heat of combustion, 

 Mister, 434. 



— silicide in meteorite, Moissan, 

 191, 323, 396. 



Chloride, nitroxyl, Gutbier and 



Lohmann, 390. 

 Chlorine, atomic weight, Richards 



and Wells, 451. 

 Copper, double cyanides, Grossman 



and von der Forst, 244. 

 Diamonds, experiments in prepar- 

 ing, Moissan, 451. 

 Electrolytes, electrolysis of solid, 



Haber and Tolloczko, 193. 

 Emanium, Giesel, 84. 

 Europeum, Urbain and Lacombe, 



243. 

 Fluorine in wine, determination, 



Treadwell and Koch, 193. 

 Gold preparations, color changes in, 



Kirchner and Zsigmondy, 85. 

 Helium, absence from carnotite, 



Adams, 321. 

 Hydrochloric acid and potassium 



permanganate, interaction, 



Brown, 31. 

 Iodine, atomic weight, Baxter, 243. 

 Methane, properties of, Moissan, 



323. 

 Nitric acid, gravimetric determina- 

 tion, Busch, 388. 

 Ozobenzol, Harries and Weiss, 83. 

 Radio -tellurium, Marckwald, 324. 

 Radium, see Radium. 

 Silicon, fTuoroform, Ruff and Albert, 



244. 

 Sodium, atomic weights, Richards 



and Wells, 451. 



— hydroxide, production of pure, 

 Kuster, 83. 



Sulphites, oxidation by iodine, 

 Ashley, 237. 



Tantalum, properties of, von Bol- 

 ton, 388. 



Thorium, unity of, Meyer and 

 Gumperz, 389. 



Trisulphoxyarsenic acid, McCay 



and Foster, 192. 

 Yttrium and ytterbium in fluorite, 



Humphreys, 202. 

 Chemistry, Conversations on, Ost- 

 walcl, 324. 



— Organic, Leffman and La Wall, 325. 



— Physiological, Beebe and Buxton, 



196. 



— School, Avery, 84. 



Climatic features in land surface, 



Penck, 165. 

 Coast and Geodetic survey, report, 



261. 

 Cold Spring- Harbor papers, 473. 

 Colorado, Radium-bearing springs, 



Headden, 297. 

 Colored papers, reflection by, Minchin, 



445. 

 Corona, photograph of solar, Hansky, 



454. 

 Coronas, large and small, Barus, 349. 

 Crystal drawing, Penfield, 39. 

 Crystalline fluids, etc., Schenck, 454. 

 Crystallography, Chemical, Groth, 



467 ; Elements, Viola, 467. 

 Czudnochowski, W. B. von, Das 



Elektrische Bogenlicht, 251, 455. 



Dadourian, H. M., radio-activity of 

 underground air, 16; new form of 

 electrode for lead storage cells, 315. 



Daly, R. A., machine-made line 

 drawings, 227. 



Davis, W. M., bearing of physiog- 

 raphy upon Suess' theories, 265 ; 

 notice of work on Bahama Islands, 

 465. 



Day, A. L., isomorphism and thermal 

 properties of feldspars, 93. 



Day, D. T., Mineral Resources of the 

 U. S., 1903, 260. 



Diamond, see Minerals. 



Diller, J. S., the Bragdon formation, 

 379. 



Doughty Springs, Colorado radium- 

 bearing, Headden, 297. 



Drawings, machine-made line, Daly, 

 227. 



Duncan, R. K., The New Knowl- 

 edge, 456. 



Dunkerley, S., Mechanism, 471. 



Duparc, L., Recherches geologiques 

 et petrographiques sur l'Oural du 

 Nord, 467. 



Dutton, C. E., Earthquakes in the 

 Light of the new Seismology, 89. 



Dynamics of Particles, etc., Webster, 

 327. 



