INDEX TO VOLUME VI* 



A 



Academy, National, meeting at New- 

 Haven, 512. 



Adams, J. S., Law of Mines and Min- 

 ing in the U. S., 436. 



Agassiz, A., Tertiary limestone reefs 

 of Fiji, 165. 



Aldons, J. C. P., Physics, 100. 



Ames, J. S., Zeeman effect, 99; Free 

 Expansion of Gases, 504. 



Antillean Valleys, submarine, Spen- 

 cer, 272. 



Association, American, meeting at 

 Boston, 199, 363. 



British, meeting at Bristol, 372. 



Austin, M., manganese as pyrophos- 

 phate, 233. 



B 



Barringer, D. M., Law of Mines and 

 Mining in the U. S., 436. 



Barus, C. colloidal glass, 270 ; com- 

 pressibility of colloids, 285. 



Bauer, Survey of Maryland, 513. 



Beecher, C. E., origin of spines, 1,125, 

 249, 329. 



Block Island, prehistoric fauna,Eaton, 

 137. 



Bolton, H. C, Catalogue of Scientific 

 Periodicals 1665-1895, 513. 



Botany — 



Flora of the United States and 

 Canada, Britton and Brown, 277. 

 Trees, winter conditions of reserve 

 food substances, Wilcox, 69. 



Britton, N. L., Flora of the United 

 States and Canada, 277. 



Brown, A. , Flora of the United States 

 and Canada, 277. 



Browning, P. E., detection of sul- 

 phides, etc., 317. 



Brush, C. F., a new gas, 431. 



Brush's Mineralogy revised, Penfield, 

 436. 



Calculus, Lambert, 513. 

 Canada, Geological Reports of 1897, 

 434, 510. 



minerals of, Hoffmann, 437. 



Cathode rays, change of energy into 



light rays, Wiedemann, 433. 



reflection. Starke, 433. 



Chemical analysis, Qualitative, H. L. 



Wells, 269 ; J. S. C. Wells, 269. 



Chemistry— 



Air, combustion in rarefied, Bene- 

 dicenti, 95. 



new constituents of, Ramsay 

 and Travers, 192, 360; Brush, 

 431. 



Aluminum, separations by hydro- 

 chloric acid, Havens, 45. 

 nitride, Francke, 501. 



Ammonium peroxide, Melikoff and 

 Pissarjewski, 195. 



Calcium, crystallized metallic, 

 Moissan, 428. 



hydride, Moissan, 428. 

 nitride, Moissan, 500. 



Carbon monoxide, direct elimina- 

 tion, Engler and Grimm, 193. 



Enantiomorphism, Kipping and 

 Pope, 502. - 



Helium, argon and krypton, posi- 

 tion in scheme of elements, 

 Crookes, 189. 



experiments with, Travers, 499. 



Hydrogen, boiling point, Dewar, 

 361; liquefaction, Dewar, 96. 



Hyponitrous acid, Kirsehner, 499. 



Inorganic salts, molecular mass of, 

 Werner, 195. 



Iodine, in the analyses of alkalies, 

 etc., Walker, 455. 



Krypton, Crookes, 189. 



Manganese as pyrophosphate, 

 Gooch and' Austin, 233. 



* This Index contains tlie general heads, Botany, Chemistry (incl. chrm. physics), Geology, 

 Minerals, Obituary, Kocks, and under each the titles of Articles referring thereto are men- 

 tioned. 



