438 



GENERAL INDEX. 



[•^> 



Alaska, 'N'akiUat, coastal plain of, 

 lllackwclder. 27, 459. 



Albatross Expedition to tlie East- 

 ern Tacitic, Agassiz, 21, 257; 



24. 450- 



d'Albe, Two New Worlds, 25, 



T4S. 

 Albert shales, New Brunswick, 



Lanihe. 28, 165. 

 Algebra, Milne. 27, 272. 



— Graphic, Schultze, 25, 534. 



— Higher, Bocher, 25, 266. 

 Allegheny Observatory, see Ob- 

 servatory. 



Allen, E. T., polymorphic forms 

 of calcium metasilicate, 21, 89; 

 formation of minerals of com- 

 position MgSiOa, 22, 385; role ! 

 of water in tremolite, etc., 26, 

 loi; diopside, calcium and 

 magnesium metasilicates, 27, i; 

 analysis of metals used in ther- 

 mometry, 29, 151. 



Allen's Commercial Organic 

 Analyses, Lefifmann and Davis, 



29, 263; Davis and Sadtler, 30, 

 348. 



Alpen, im Eiszeitalter, Penck and 

 Bruckner, 25, 84; 27, 341. 



Alpha-rays, absorption of. Levin, 

 22, 8; ionization by, Wheelock, 



30, 233; properties of, Ruther- 

 ford, 21, 172; range of, Duane, 

 26, 465; retardation, Taylor, 26, 

 169; 28, 357. 



Alps, Schmidt's sections, 25, 155. 



— See also Alpen. 

 Aluminium cell as a condenser, 



Modzelewski, 27, 338. 

 Amaduzzi, ionization and electric 



conductivity, 23, 463. 

 Amphibole, formation, 22, 403, 



435- 

 Anderson, J. W., Refrigeration,,! 



25, 524- 



Andes, Central, physiography of, ' 



Bowman, 28, 197, 373. 

 Andrews, C. W., Tertiary Verte- 



brata of the Fayum, Egypt, 22, 



465- 

 Andrews, E. C, corrasion by 



gravity streams, 30, 86. 

 Andrews, L. W., determination 



of arsenic, 27, 316. 

 Animal Romances, Renshaw, 27, ; 



ip3- 

 Animals, Life of, Ingersoll, 22, 



191. .; 



Anode rays, Gchrcke and Reich- 



enlieim, 25, 522. 

 Antarctic E.xpedition, National, 



26, 588; 27, 271 ; 29, 198. 

 Anticosti Island, peat beds of, 



Twcnhofel, 30, 65. 

 Antlitz dcr Erde, Suess, 29, 269. 

 Arc, electric, between metallic 



electrodes, Cady and Arnold, 



24. 383; Cady and Vinal, 28, 

 89; Cady, 28, 239. 



— spectra, Duffield, 25, 147. 

 Archaeology, American, Univ. of 



California publications, 25, 533. 



Argon, see CHEMISTRY. 



Arizona, Coon Butte (meteor 

 crater or Canyon Diablo), Bar- 

 ringer, 30, 427; Barringer 'and 

 Tilghman, 21, 402; J. W. Mal- 

 let, 21, 347; Farrington, 22, 

 303; Fairchild, 25, 156; Merrill, 



25. 265. 



— copper deposits, Lindgren, 21, 

 332. 



— Grand Canyon geology, Rob- 

 inson, 24, 109; Noble, 29, 369, 



497; 



— minerals of, Blake, 28, 82. 

 Arkansas, diamonds of, 24, 275. 



— Pleistocene bone deposit, 27, 

 93- 



Arldt, T., Entwicklung der Kon- 

 tinente, 26, 512. 



Arnold, H. D., electric arc be- 

 tween metallic electrodes, 24, 

 383. 



Arnold, R., rocks from the Olym- 

 pic Mts., Washington. 28, 9. 



Arrhenius, S., Immuno-Chemis- 

 try, 25, 81. 



Artbildung, Probleme der, Plate, 



25. 531- 



Ashley. R. H., dithionic acid and 

 tile dithionates, 22, 259. 



Ashman, G. C, radium emana- 

 tion, 26, 119; preparation of 

 urano-uranic oxide, 26, 521; 

 radio-activity of thorium, 27, 

 65. _ 



Association, American, meeting at 

 Baltimore, 1909, 27, 100: Bos- 

 ton, 1909, 28, 566; Chicago, 



1907, 24, 507; Hanover, 1908, 



26, too: Ithaca, 1906, 22, 92; 

 New Orleans, 1906, 21, 188: 

 New York City, 1907, 23, 76. 



— British, meeting at Dublin, 



1908, 26, 404; Sheffield, 1910, 



