INDEX. 



503 



Laboratory work, elements of, Earl, 



331. 

 Langdou, D. W., Jr., geology of Mod 



Louis Island, Mobile Bay. 237. 

 LaDgley, S. P., cheapest form of light, 



97. 

 Light, action on chlorine water, 492 ; 



on phosphorus 492 ; cheapest form, 



Langley and Very, 97. 

 Light waves, stationary, Wiener. 165. 

 Liquids, electrical conductivity effected 



by pressure, Barus, 219. 

 Long, J. EL, circular polarization of tar- 

 trate solutions, III, 275. 

 Looruis, making of icebergs, 333. 



M 



Macfarlane, J., Amer. G-eological Rail- 

 way Guide, 343. 

 Magnetic and gravity observations, Pres- 

 ton, 478. 

 Magnetism induced molecular theory, 



Ewiug, 331. 

 Magnetometer, mountain, Meyer, 330. 

 Mar, F. W., perofskite, Magnet Cove, 



403. 

 Marsh, 0. C, extinct Testudinata, 177. 

 Mayer. A. M., experimental proof of 



Ohm's law, 42; determination of the 



coefficient of cubical expansion, 323. 

 McGee, W. J., Appomattox formation, 



15. 

 Melville, W. H., metacinnabarite from 



New Almaden, Cal., 291. 

 Metrology, science of, Noel, 262. 

 Microscope magnification, Stevens, 50. 

 Meteorites, iron — 



Alabama, Summit, Blount Co., Kunz, 

 322. 



Chili, Puquios. Howell, 224. 



Kansas, Kiowa Co., Kunz, 31 2. 



N. Carolina, Bridgewater, Burke Co., 

 Kunz, 320. 



N. Carolina, Rockingham Co.,Venable, 

 161. 



Texas, Hamilton Co., Howell, 223. 



Virginia, Henry Co., Venable, 162. 



Stone — 



Iowa, Winnebago Co., Kunz, 318. 



N. Carolina, Ferguson, Haywood Co., 

 Kunz, 320. 

 Mineral resources of the U. S., Day, 423. 



of Ontario, Report on, 260. 

 Mineralogia, Giornale di, 93. 

 Mineralogical Report, California, 92. 

 Mineralogy, determinative, Eyerman, 92. 

 Minerals of Canada, Hoffmann, 92. 



Minerals — 



Akermanite, 336. Allanite, 118. Am- 

 arantite, Chili, 199. Anthophyl- 

 lite, N. C, 394. Aromite, 258. 

 Atecamite, Chili, 207. 



Bertrandite and Beryl, Mt. Antero. 

 Col., 488. 



Calcite, Port Henry, N. T., 62. Cera- 

 site, Japan, 497. Chalcopyrite, 

 French Creek, Pa., 207. Chlorite 

 group, composition, 405. Chryso- 

 lite, anal., 305. Ciplyte, 335. Cor- 

 dierite, Japan, 497. Connellite, 

 Cornwall, 82. 



Durdenite, 81. 



Emmonsite, 81. Eucolite and Eudia- 

 lyte. Arkansas, 457. 



Fayalite, Lipari, 75. Ferronatrite, 

 Chili, 202; Fowlerite, N. J., 484. 



Garnet, Pa., 117; titaniferous, N. C, 

 117. Gibbsite, so-called, Pa., 206. 

 Gold in turquois, New Mexico, 115. 

 Gordaite, 259. 



Hambergite, 170. Hiortdahlite, 171. 



Johnstrupite, 171. 



Kaliborite, 336. Karyocerite, 171. 



Lettsomite, Arizona and Utah, 118. 

 Lussatite, 259. 



Magnetite, Port Henry, N. Y., 63. 

 Metacinnabarite, Cal., 291. Mica 

 group, composition, 410. Morden- 

 ite, Wyoming, 232. 



Neotesite, 335. 



Oolite, calcareous, Iowa ; siliceous, 

 Penn., 246. 



Perofskite, Magnet Cove, 403. Phen- 

 acite, not found at Hebron, Me., 

 Yeates, 259 ; of Mt. Antero, Col., 

 Penfield, 491. Pholidolite, 335. 

 Phosphosiderite, 336. Picrophar- 

 macolite, Mo., 204. Pitticite, Utah, 

 205. Polybasite, Colorado, 424. 

 Pyrite, Penn., 114. 



Quetenite, 259. 



Rhodochrosite, N. J., 375. Rhodo- 

 nite, N. J., 484. Rubrite, 258. 

 Rumpfite, Styria, 424. 



Sanguinite, Chili, 497. Scapolite, Pa., 

 116. Selen-tellurium, Honduras, 79. 

 Serpentine, composition, 307. Sider- 

 ite, N. Y., 155. Sideronatrite. Chli, 

 201. Sigterite, 336. Sphalerite, 

 amorphous, Kansas, 160. Stibnite, 

 Mexico, 115. 



Talc, composition, 306. Tamarugite, 

 258. Tetradymite, Arizona, 114. 



Uraninite, nitrogen in, 384. Utahite(?), 

 New Mexico, 203. 



Vermiculites, composition, 452. Viv- 

 ianite, Tenn., 120. 



