494 



INDEX. 



Lasaulx, A. von, Einfiihrung in die 

 Gesteinslehre, 402. 



Lava, see Geology. 



Levier, Plantes a Fourmis, 245. 



Light, a standard of, Troivbridge, 128. 



Liquids, measurement of resistance of, 

 484. 



Lloyd's Drugs and Medicines of North 

 America, 246. 



Loomis, E.. contributions to meteorol- 

 ogy. 1. 



Lord, PI, Comstock Mining and Miners, 

 318. 



M 



Mabery, C. F, the electrical furnace, 308. 

 Macl'arlane's Geological Railway Guide, 



244. 

 Magnetization, changes in length of iron 



and steel rods, produced by, 315. 

 Marble Border of Western New Eng- 

 land, noticed, 402. 

 Matthew, G. F, Paradoxides Davidis in 



America, 72. 



new genus of Cambrian pteropods, 



293 

 Mayer, A. M., measurement of vibra- 

 tions of tuning-forks, 485. 

 McGee, W. J., Geological Map of the 



United States, 244. 

 Mendenhall, T. C„ differential resistance 



thermometer, 1 14. 

 Mercer, H. C, the Lenape Stone, 79. 

 Metals, electrical furnace for, 308. 

 Meteoric iron, New Mexico, Kunz, 235. 

 Meteorite, Grand Rapids, Riggs, 312. 

 catalogue, 402. 

 from Mexico, Shepard, 105. 

 of Washington Co., Penn., 404. 

 Meteorological circular letter, 87. 

 Meteorology, contributions to, Loomis, 1. 

 Methane, illuminating power of, 156. 

 Meyer, 0., species in the southern old-. 



tertiary, 60, 421. 



species in the French Old-tertiary, 



151. 

 Minerals — 



Allanite, Iddings, 108. 



Aualcite, Penfield, 112. 



Antimony, native, Kunz, 275. 



Diamond, hardness of, 81. 



Descloizite, 81. 



Emeralds from North Carolina, 82. 



Endlichite, 81. 



Erythrite, Blake, 163. 



Fayalite, Yellowstone Park, Iddings, 

 58. 

 - Gerhardtite, Wells and Penfield, 50. 



Hanksite, 133, 136. 



Hornblende, enlargements of, Van 

 Rise, 231. 



Minerals — 



Hornblende minerals, fusion of, 395. 



Iodyrite from New Mexico, 81. 



Lead silicate, artificial, 138. 



Microlite, 82. 



Proustite, 402. 



Pyrargyrite, 402. 



Pyroxene minerals, fusion of, 395. 



Quartz-twin, Brown, 191. 



Silver, native, New Jersey, 80. 



Thinolite, Dana, 390. 

 Molecular shadows in incandescent 



lamps, 314. 

 Morley, E. W., moisture which sulphuric 



acid leaves in a gas, 140. 

 Mountain, see Geology. 

 Mueller, F. v., Kucalyptographia, 83. 



N 



Newberry, J. S., geology along the 

 Northern Pacific R. R., 337. 



New Brunswick, Quaternary of, 242. 



New Jersey, native silver in, Darton, 80. 



Newton, E. T., Gastornis Klaassenii, 318. 



Newton, H. A., effect upon earth's velocity 

 of small bodies passing near it, 409. 



New Zealand Institute, Transactions 

 and Proceedings of, 246. 



Nichols, E. L„ sensitiveness of the eye 

 to colors. 37. 



Nickel, separation of, from cobalt, 75. 

 magnetic permeability of, Perkins, 

 218. 



Nitrates, artificial, 50. 



Nitrogen, determination of, 153. 



North Carolina, emeralds from, 82. 



Nystrom, J. W., Pocket-Book of Me- 

 chanics and Engineering, 77. 



Obituary — 



Baumhauer, E. H. von, 408. 



Bland, Thomas, 407. 



Carpenter, William B., 490. 



Clinton, G. W., 322. 



Edwards, H. Milne, 248. 



Fresca, Henri, 248. 



Kerr, W. C, 248. 



Macfarlane, J., 407. 



Peale, Titian R., 168. 



Wright, Charles, 247. 

 Observatory, Cincinnati, Report of, 404. 

 Pacific, coral reefs and islands of, J. D. 



Dana, 89, 169. 



bathymetric map of, Dana, 96. 

 Ocean water, composition of, 385. 

 Optics, physiological, Nichols, 37. 

 Organic compounds, heat of combustion 



of, 154. 

 Orton, E., deep well, Cleveland, 0., 316. 



