552 



INDEX. 



CHEMISTRY. 



Ammonium, hydrolysis of salts of. 



Moody, 379. 

 Antimony and tin, separation, 



Czerwek, 460. _ 

 Arsenic, separation from copper, 



Gooch and Phelps, 488. 

 Barium sub-oxide, Guatz, 344. 

 Beryllium and aluminium, separa- 

 tion, Glassmann, 539. 

 Carbon, action of oxygen, etc., 



upon, Farup, 344. 

 Chlorides, potassium-lead, Lorenz 



and Euckstuhl, 540. 

 Dithionic acid, analysis, Ashley, 



259. 

 Fluorine, estimation iodometrically, 



Hileman, 383. 

 Halugen compounds, combustion 



of, Robinson, 345. 

 Iodides and iodates, Moody, 379. 

 Iron, detection of small quantities, 



Mouneyrat, 79. 



— hydrolysis of salts of, Moody, 76. 

 Mercuric chloride, double salts, 



Foote and Levy, 458. 

 Molybdenum, preparation of fused, 



Biltz and Gartner, 540. 

 Niobium and tantalum, separation. 



Warren, 520. 

 Nitric oxide, thermal formation, 



Fischer and Marx, 344. 

 Nitrogen, oxidization of, Warburg 



and Leithauser, 462. 



— properties of liquid, Erdmann, 

 78. 



Radium, see Radium. 

 Silicon fluoride, alkalimetric esti- 

 mation, Hileman, 329. 

 Tantalum, atomic weight, Hinrich- 

 sen and Sahlbom, 459 ; sepa- 

 ration from niobium, Warren, 

 520. 

 Water, temperature of freezing in 

 sealed tubes, Miers and Isaac, 

 539. 

 China, Cambrian faunas, Walcott, 



188. 

 Clays and Ceramic Arts, Bibliog- 

 raphy, Branner, 545. 

 Clement, J. K., formation of min- 

 erals of composition MgSi0 3 , 385. 

 Coker, E. G., elastic constants of 



rocks, 95. 

 Cook, C. W., datolite from West- 

 field, Mass., 21. 

 Cordoba, la Sierra de, geology, 



Bodenbender, 88. 

 Coronas of cloudy condensation, 

 Barus, 342. 



Crookes' tubes, phenomena in, 

 Bacon, 310. 



Crystallography, Chemical, Groth, 

 89 ; Geometrical, Sommerfeldt, 89. 



Cumberland Gap coal field, Ken- 

 tucky, Ashley and Glenn, 187. 



Daly, R. A., abyssal igneous injec- 

 tion and mountain building, 195. 



Davison, J. M., analysis of estacado 

 meteorite, 59. 



Day, A. L., lime-silica series of 

 minerals, formation, 265. 



Earthquake, San Francisco, Investi- 

 gation Committee, report, 82. 



Egypt, Fayum, Tertiary Vertebrata, 

 Catalogue, Andrews, 465. 



Elastic constants of rocks, Adams 

 and Coker, 95. 



Electric discharge in gases, Sieve- 

 king, 80. 



Elkin, W. L., parallax investiga- 

 tion of 162 stars, 471. 



Eve, A. S., radium in minerals, 4 ; 

 relative activity of radium and 

 thorium, 477. 



Ewell, A. W., air conductivity in 

 intense electric fields, 368. 



Farrington,? O. C, Shelburne and 

 South Bend meteorites, 93 ; analysis 

 of iron shale from Canyon Diablo, 

 303. 



Field Columbian Museum, publica- 

 tions, 93. 



Fog chamber, drop of pressure in, 

 Barus, 81, 339. 



Ford, W. E., stibiotantalite, 61 ; 

 beryl crystals, 217: 



Furlong, E. L., exploration of Sam- 

 wel Cave, 235. 



Gale, H. G., Physics, 345, 346. 



Gases, electric discharge in, Sieve- 

 king, 80. 



Geological Congress, International, 

 meeting at Mexico City, 463. 



— map of Buffalo quadrangle, Luther, 

 347 ; of Illinois, 543. 



