INDEX TO VOLUME XXIX.* 



Absorption and phosphorescence, 

 Briininghaus, 189. 



Academy, National, meeting at "Wash- 

 ington, 463. 



Adams, F. D., flow of marble, 465. 



Africa, Blood-sucking flies, Austin, 

 92. 



Agassiz, A., obituary notice, Ver- 

 rill, 561. 



Alabama, Pleistocene flora, Berry, 

 387. 



Allegheny Observatory, see Observ- 

 atory. 



Allen, E. T., analysis of metals used 

 in thermometry, 151. 



Allen's Commercial Organic Analy- 

 ses, Leffmann and Davis, 263. 



Antarctic Expedition, National, 198. 



Antlitz der Erde, Suess, 269. 



Arizona, Grand Canyon geology. 

 Noble, 369, 497. 



Brown, E. W., effect of magnetic 

 and other forces on the motion of 

 the moon, 529. 



Browning, P. E., separation of 

 cerium, 45. 



Cambridge Natural History, Harmer 



and Shipley, 92. 

 Camel, fossil, Nebraska, Loomis, 



297. 

 Canada balsam, refractive index, 



Schaller, 324. 



— geol. reports, 365. 

 Cape of Good Hope geol. survey, 



194. 

 Carnegie Foundation, 4th Annual 

 Report, 274. 



— Institution, at Washington, 8th 

 Year Book, 274 ; publications, 368. 



Chemical analysis, Quantitative, 

 Clowes and Coleman, 80. 



CHEMISTRY. 



Analyse Volumetrique, Duparc and 

 Basadonna, 458. 



Arsenic, etc., estimation of, Palmer, 

 399. 



Bromides of barium and radium, 

 relative volatility, Stock and 

 Heynemann, 79. 



Bromine, free, determination, Per- 

 kins, 338. 



Cadmium amalgams, Smith, 264. 



Cerium, separation, Browning and 

 Roberts, 45. 



Colloidal solutions, formation from 

 metals, Svedberg, 187. 



Dye, purple, of the ancients, Fried- 

 lander, 262. 



Helium, gas containing, Erdmann, 

 549. 



Hydrogen, determination of, Paal 

 and Hartmann, 458. 



— chloride, action of light upon, 

 Coehn and Wassiljewa, 79. 



*This Index contains the general heads, Botany. Chemistry (incl. chem. physics) , 

 Geology. Minerals. Obituary. Rocks, Zoology, and under each the titles of Articles 

 referring thereto are mentioned. 



B 



Bacteriology, Dairy, Russell and 



Hastings, 200. 

 Bedell, F., Direct and Alternating 



Current Testing, 83. 

 Berry, E. W., Cretaceous Bauhinia 



from Alabama, 256 ; Pleistocene 



flora of Alabama, 387. 

 Bigelow, F. H., general circulation 



of the earth's atmosphere, 277. 

 Binn, La Vallee de, Desbuissons, 195. j 

 Birkeland, K., Norwegian Aurora 



Polaris Expedition, 272. 

 Bitumens, solid, Peckham, 459. 

 Black Hills, Dakota, etc., geology 



and water resources, Darton, 267. 

 Bosworth, R. S., crystals of silver 



sulphate and dichromate, 293. 

 Botany, Clute, 272. 

 Brigham, W. T., Hawaiian Volca- 

 noes, 363. 

 British Museum catalogue, Brvozoa, 



195. 



