INDEX. 



495 



CHEMISTRY. 



Argon, compound of, Fischer and 



Hiovici, 82. 

 Arsenic, determination, Andrews 



andFarr, 316. 

 Atomic weight, new periodic func- 

 tion, Viktor, 186. 

 Boron, determination, Copaux and 



Boiteau, 404. 

 Calcium and magnesium metasili- 



cates, relations, Allen and White, 



1. 

 Cerium, determination, Dietrich, 



260. 

 Copper oxalate in analysis, Gooch 



and Ward, 448. 

 Crystallization, explosive, Weston, 



82. 

 Cupric chloride, gases evolved by 



action on steel, Goutal, 485. 

 Gold, solubility in hydrochloric 



acid, Awerkiew, 261. 

 Helium, production from uranium, 



Soddy, 262. 

 Hydrogen phosphide, Matignon and 



Trannoy, 337. 



— silicides, Lebeau, 404. 



Lead, electrolytic estimation, Gooch 



and Beyer, 59. 

 Manganese, electrolytic estimation, 



Gooch and Beyer, 59. 

 Metals, boiling-points, Krafft, 336. 

 Potassium salts, radiation, Henriot, 



486. 

 Prussian blue, Miiller and Stanisch, 



403. 

 Radium, see Radium. 

 Selenium, electric properties, Ries, 



338. 

 Silver, determination as chromate, 



Gooch and Bosworth, 241. 



— iodometric estimation, Gooch and 

 Bosworth, 302. 



Sodium and potassium, liquid 

 alloys, Jaubert, 260. 



Thallium, estimation, Browning and 

 Palmer, 379. 



Thorium, radio-activity, Ashman, 

 65. 



Tin, heat of oxidation, Mixter, 229. 



"Tin infection," von Hasslinger, 

 83. 



Titanium oxide, heat of formation, 

 Mixter, 393. 



Tungstic and silicic oxides, separa- 

 tion, Defacqz, 186. 



Uranium silicide, Defacqz, 186. 



Uranium-X, Schmidt, 187. 



Vanadic acid, iodometric estima- 

 tion, Edgar, 174. 



Vanadium and arsenic acids, esti- 

 mation, Edgar, 299. 



Weight, change of, in reactions, 

 Landolt, 185. 



Ytterbium, constituents, von Wels- 

 bach, 83. 

 Chemistry, Organic, Stewart, 337. 

 Chlorophyll on planets, existence, 



Umow, 487. 

 Coal and coal-mining, geology, 



Gibson, 91. 

 Cockerell, T. D. A., Tertiary insects, 



53, 381. 

 Connecticut geol. survey, 264. 

 Cook, C. W., iodyrite from Tono- 



pah and Broken Hill, 210. 

 Coronas with mercury light, Barus, 



73. 

 Cuba, Harvard Botanical Station, 94. 



Dahlgren, W., Animal Histology, 

 97. 



Diamonds in Africa, 489. 



Dike, P. H., observations in atmos- 

 pheric electricity, 197. 



Diller, J. S., geology of Taylorsville 

 region, Calif., 412. 



Diopside, relation to calcium and 

 magnesium metasilicates, Wright 

 and Larsen, 1. 



Duff, A. W., Physics, 85; Physical 

 Measurements, 488. 



Duncan, D., Life of Herbert Spencer, 



Earth, Physical History, Babbitt, 91. 

 Earthquake, California, 1906, Gil- 

 bert, 48. 



— Messina, Perret, 321. 



Earth's magnetism, principal facts, 

 348. 



Eastman, C. R., Devonian Fishes of 

 Iowa, 415. 



Edgar, G., iodometric estimation of 

 vanadic acid, 174 ; estimation of 

 vanadic and arsenic acids, 299. 



Electricity, atmospheric, recent ob- 

 servations in, Dike, 197. 



Elements, Rarer, Browning, 262. 



Enzyme action, Bayliss, 100. 



Eruptions, submarine, near Pantel- 

 leria, Washington, 131. 



Evolution, Essays on, Poulton, 193. 



— work on, Steinmann, 341. 

 Ewell, A. W., Physical Measure- 

 ments, 488. 



