550 



INDEX. 



Kirchhoff's law and the radiation of 



gases, Priogsheim, 433. 

 Koenig, G. A., paramelaconite and 



footeite, 158. 

 Kunz, G. F., aerolite from Washington 



Co., Kansas, 65 ; mineralogical notes, 



329 ; meteoric irons, from Virginia 



and Chili, 424. 

 Kiistner, variations of latitude, 163. 



Laboratory of Chemistry, Armstrong 

 and Norton, 535. 



Lane, A. C, estimation of optical angle, 

 79. 



Latitude observations on Oahu, Ha- 

 waiian Is., Preston, 438. 



periodic variations, Kiistner, 163. 



Lea, M. C, disruption of the silver- 

 haloid molecule by mechanical force, 

 527. 



Lesley, J. P., geology of Pennsylvania, 

 536. 



Leverett, F., moraines of Lake Erie, 281. 



Light, magnesium, Rogers, 301. 



Linebarger, C. E., colloid solutions, 218; 

 molecular masses of dextrine and gum 

 arabic, 426. 



Lister, J. J., geology of the Tonga or 

 Friendly Islands, 243. 



Liversidge, A., chalk and flints at the 

 Solomon Islands, 157 ; effect on gold 

 of fungoid growths, 245. 



Lobworms, Davison, 162. 



M 



Mackinac Island, highest shore line on, 

 Taylor, 210. 



Magnesium as source of light, Rogers, 

 301. 



Magnetic field, permanent, Hibbert, 432. 



Magnetism, terrestrial, Wilde's theory, 

 Bauer, 496. 



Mar, F. W., determination of barium in 

 presence of calcium and magnesium, 

 521. 



Marsh, 0. C, skull of Torosaurus, 8 1 ; 

 discovery of Cretaceous mammalia, 

 pt. Ill, 249 ; recent polydactyle horses, 

 339 ; new order of extinct Kocene 

 mammals, 445 ; new reptiles from the 

 Laramie formation, 449 ; notes on 

 Triassic Dinosauria, 543. 



Melting point, relation to fusion, Barus, 

 56. 



Melville, W. H., Josephinite, new nickel- 

 iron, 509. 



Mendeleeff, Principles of Chemistry, 533. 



Mendenhall, T. C, free pendulum as a 

 time standard, 85. 



Merrill, G. P., azure-blue pyroxenic 



rock, New Mexico, 279. 

 Metaux, Lecons sur les, Ditte, 335. 

 Meteoric iron, Floyd Co , Va., and Ata- 

 cama. Kunz and Weinschenk, 424. 

 Garrett Co., Md , Foote, 64 ; Penn., 



Owens, 423. 

 stone from Washington Co., Kan- 

 sas, Kunz and Weinschenk, 65. 

 Meteorites, Kiowa Co., Kan., Hay, 80. 

 Ward Collection, Catalogue, 542. 

 Meunier, S., Les methodes de synthese 



en Mineralogie, 245. 

 Michigan iron ores, Van Hise, 116. 

 Mineralogy, Summary of Progress, 

 Bayley, 540. 



System, E. S. Dana. 539. 

 Systematic, Hunt, 79. 

 Synthetic, Meunier, 245. 

 Minerals — 



Adelite, 246. Astochite, 246. Augite 

 intergrowths with plagioclase, Bay- 

 ley, 515. 

 Bismutite, Colorado, 188. Boleite, 



246. Brookite, California, 329. 

 Chlorite group, composition discussed, 

 190. Clinochlore, West Chester, 

 378. 

 Desmine, Brazil, 77. 

 Footeite, 158. 



Gay-lussite, California, Hanks, 540. 

 Hessite, Mexico, 187. Heulandite, 

 Brazil, 77. Hiibnerite, Colorado, 

 etc.. 184. 

 Tolite, composition discussed, 13. 

 Josephinite, new nickel-iron, 509. 

 Lautarite. 246. Leuchtenbergite, anal- 

 ysis, 378. 

 Melilite, Canada. 269. Mesolite, Bra- 

 zil. 77. Mica. Miask, 378. Morin- 

 ite, 246. 

 Natrolite, Magnet Cove, 189. 

 Octahedrite, California, 329. 

 Paramelaconite, 158. Platinum, sup- 

 posed occurrence in N. Carolina, 

 Venable, 540. Plattnerite from 

 Mullan, Idaho, 407. Pyroxerje, 

 blue, N. Mexico, 279. See Augite. 

 Ruby, Burma. 329. 

 Scolezite, Brazil, 77. Svabite, 246. 

 Xanthophyllite, analysis, 378. 

 Mount Bob or Mount Ida, Harris, 236. 

 Mount St. Elias and its glaciers, Russell, 

 169. 



Obituary — 

 Adams, J. C. 

 Airy, Sir G. ] 

 Carpenter, P. 



248. 

 :., 248. 

 H.. 80. 



Hunt, T. S., 246. 



