I N DEX. 



531 



Minerals — 



Halite, Verde Valley, Arizona, 44. 

 Hamliuite, 511. Hornblende, St. 

 Lawreuce Co., N. Y., 352. Hu- 

 reaulite, Branchville, Ct., 207. 



Janosite. 7:;. 



Kuoxvilhte, 73. 



Lansfordite, 121. 



Margarita, Patrick Co., Va., 49. 

 Messelite, 74. Michel-levyte, 61. 

 Minium, Leadville, 42. Mirabilite, 

 Verde Valley. Arizona, 44. Musco- 

 vite, Patrick Co., Va., 49. 



Napalite, Napa Co., CaL, 74. Natro- 

 philite, Branchville, Ct., 205. Nes- 

 quehonite, 122. 



Phenacite, new localities, 325. Pleu- 

 rasite, Sweden. 161. Polycrase in 

 N. and S. Carolina, 302. Pyroxene, 

 secondary, 359. 



Raphisiderite, 74. Reddingite, Branch- 

 ville, Ct, 211. Redingtonite, CaL, 

 73. Rhaetizite. Patrick Co., Va., 

 49. Rutile-Edisonite, 159. 



Scapolite in rocks. N. J., 407. Spang- 

 olite, 370. Stibiatil, Sweden, 161. 



Thenardite, Verde Vallev, Arizona, 

 44. Tyrolite, Utah, 271. 



Warrenite, 74. Wulfenite, Sing Sing, 

 N. Y., 159. Wurtzilite, 160. 

 Mineralien, Tabellarische Uebersicht, 



Groth, 324. 

 Minerals of New Jersey, Canfield, 161. 

 Minerals, secondary of amphibole and 



pyroxene groups, Cross. 359. 

 Mirror, method of rotating, Oettingen, 



317. 

 Musical Sand, Sinai, Bolton. 151. 



tones by means of unlike formed 

 waves, Konig, 399. 



N 



Newberry, J. S.. Devonian plants from 

 Ohio. 7 1 ; geological notice of Wood- 

 ward's British Vertebrates, 402. 



New Jersey, geographic development of 

 northern, Davis and Wood, 404. 



Newton, H. A., memorial address of 

 Elias Loomis, 427; orbit of Iowa 

 meteor, 522. 



Nichols, E. L., electrical resistance of 

 alloys of feno-manganese and copper, 

 471. 



Nicholson, H. A., Manual of Palaeontol- 

 ogy, 239. 



Nitrification of Ammonia. Schlcesing,162. 







Obituary — 



Ashburner, C. A., 166 



Coffin, J. H. C , 246 



Crane, John Huntington, 246. 



Deslongchamps, Eugene E., 326. 



Loomis, Elias, 427. 



Obituary — 



Lyman, Chester Smith, 245. 



Neumayr, Melchior. 326. 



Owen, Richard of Indiana, 414. 



Perry, Stephen J., 246. 



Quenstedt, F. von, 326. 



Zepharovicli, Victor Ritter von, 326. 

 Observatory, Yale, Transactions of, 245. 

 Ocean, depths of South Pacific, 412. 

 Optical angles, estimation, Lane, 53. 

 Orton, E., rock pressure of natural gas 



of Trenton Limestone of Ohio and 



Indiana, 225. 

 Osborn, H. F., Mammalia of the Uinta 



formation, 403. 



Pacific Ocean, see Ocean. 

 Palaontologie, Elemente von Steinmann 



und Doderlein, 240. 

 Paleontology, Manual, Nicholson and 



Lydekker, 239. 

 Paleontology and Geology, American, 



Miller, 67. 

 Penfield. S. L., lansfordite, nesquehonite, 



new minerals, 121; Spangolite, new 



copper mineral, 370; Hamlinite, new 



mineral from Maine, 511. 

 Peruvian arc, measurement of, Preston, 1. 

 Photographic halos, suppression of, 520. 

 Photography, surface tension studied by, 



519. 

 Pickering, E. C, spectrum of C, Ursa; 



Ma j oris, 46. 

 Polarization, galvanic, Warburg, 66. 

 Preston, E. D., on the measurement of 



the Peruvian arc, 1. 



E 



Radiation, thermal, Weber's law, Ferrel, 



137. 

 Reade, T. M., origin of normal faults, 51. 

 Resistance, of alloys of ferro-manganese 

 and copper, Nichols, 471; measure- 

 ments of, Feussner, 317. 

 Robinson, stem structure of lodes To- 



mentilJa, 407. 

 Rocks — 



Basalt of dikes in central Appalachian 



Virginia, DiHer, 269. 

 Metamorphic origin of California Cre- 

 taceous, etc. 

 Scapolite-rock in N. J. Archaean, 



Nason, 407. 

 Soda-granite and quartz keratophyre 



of Pigeon Point, Bayley, 273. 

 Volcanic of the Bala series, of Caer- 

 narvonshire and associated rocks, 

 Harker, 406. 

 Russell, I. C., subaerial decay of rocks 

 and origin of red color of certain for- 

 mations, 317; quaternary history of 

 Mono Valley, CaL, 402. 



