11] 



VOLUMES I-X. 



489 



CHEMISTRY— 



Salts, photoelectric properties of 

 colored, Elster and Geitel, 6, 95. 



Sea-water, gold and silver in, Liver- 

 sidge, 2, 804. 



Selenious and selenic acid, iodo- 

 metric determination, Goocli and 

 Peirce, I, -31. 



Selenium, gravimetric determina- 

 tion, Peirce, i, 416 : separation 

 from tellurium, Gooch and Peirce, 

 i, 181. 



— interference rings, Longden, 10, 

 55. 



— monoxide, Peirce, 2, 183. 

 Silicates, decomposition by boric 



acid, Jannasch and Heidenreich, 



i, 139 ; experiments with, Clarke, 



8, 245 ; 9, 117, 345. 

 Silicon, spectrum of, de Gramont, 



4, 388. 

 Silver, colloidal, Lottermoser and 



Von Meyer, 7, 156. 



— oxide, reaction upon hydrogen 

 peroxide, Eiegler, 3, 69. 



— peroxide and peroxynitrate, 

 Mulder, 7, 156. 



— peroxynitrate, Sulc, Mulder, and 

 Heringa, 3, 69. 



Sodic sulphate, transition tempera- 

 ture, Richards, 6, 201. 

 Sodium carbide. Matignon, 6, 196. 



— sub-oxide and peroxide, For- 

 crand, 6, 501. 



— thiosulphate, titration with iodic 

 acid, Walker, 4, 235. 



Stiboninm compounds, 10, 75. 



Strontium compounds, Sorensen, 1, 

 392. 



Strychnine, new bases from, Tafel, 

 7, 394. 



Sulphide of nitrogen, Cleves and 

 Muthmann, 1, 391. 



Sulphides, etc., detection of, Brown- 

 ing and Howe, 6, 317. 



Sulphocyanides of copper and sil- 

 ver, Van Name, 10, 451. 



Sulphur, forms of, 10, 161. 



— molecular weight, Orndorff and 

 Terrasse, 1, 483. 



— dioxide, combination with 

 oxygen, Russell and Smith, 9, 293. 



Supersaturation and supercooling, 



Ostwald, 4, 151. 

 Telluric acid, compounds with 



iodates, Weinland and Prause, 



10, 76. 

 Tellurium, determination, Gooch 



and Morgan, 2, 271. 

 Tellurous acid in presence of haloid 



salts, Gooch and Peters, 8, 122. 



CHEMISTRY— 



Thallium, estimation of, Browning 

 and Hutchins, 8, 460 ; Browning, 



9, 137. 



Thermochemical method for deter- 

 mining the equivalents of acids. 

 Berthelot, 4, 151. 



Thermodynamics of the swelling of 

 starch, Rodewald, 5, 297. 



Titanium, properties, etc., 1, 52. 



Triphenylmethyl, Gomberg, 10, 458. 



Tungsten tiloxide, separation from 

 molybdenum trioxide, Ruegen- 

 berg and Smith, 10, 460. 



Uraninite and eliasite, gases ob- 

 tained from, Lockyer, 3, 242. 



Uranium, radio activity, Crookes, 



10, 318. 



Vanadium, distribution, 7, 470 ; 

 estimation of, Browning and 

 Goodman, 2, 355. 

 Vapor pressure of reciprocally sol- 

 uble liquids, Ostwald, 6, 93. 

 Victorium, Crookes, 9, 146. 

 Voltaic action, influence of proxim- 

 ity on, Gore, 5, 144. 

 Water, constitution of, Bruhl, 1, 



138. 

 Zirconium with lithium, etc., double 

 flaorides, Wells and Foote, 3, 

 466. 

 Chester, A. H., Dictionary of Mineral 

 Names, 1, 40 J ; Catalogue of Min- 

 erals, 5, 78 ; krennerite, from 

 Cripple Creek, Colo., 5, 375. 

 Chili, Geology and Petrography of, 



von Wolff, 9, 228. 

 Chittenden, H. M., Yellowstone 



National Park, 1, 327. 

 Christiansen, C, Theoretical Physics, 



3, 419. 

 Christmas Island, geology, Andrews, 



10, 79. 

 Clark, W. B., Potomac river section 

 of Atlantic Coast Eocene, 1, 365 ; 

 Eocene deposits of middle Atlantic 

 slope, 3, 250. 



— Geological Survey of Maryland, 

 7, 69 ; 9, 223 ; Maryland Weather 

 Service, 9, 234. 



Clarke, F. W., Constants of Nature, 

 3, 245. 



— hydromica from New Jersey, 7, 

 365 ; composition of roscoelite 7, 

 451. 



— constitution of tourmaline 8, 111.; 

 experiments with pectolite, etc., 8, 

 245. 



— action of ammonium chloride on 

 analcite and leucite, 9, 117 ; 011 

 natrolite, etc., 9, 345. 



