INDEX. 



517 



Minerals — 



Melanotekite, New. Mexico, 116. 

 Miersite, New South Wales, 199. 



Phenacite, pseudomorphs after, 119. 



Khodolite, associated minerals of, 

 463. Roeblingite, Franklin Fur- 

 nace, N. J., 187. 



Smithsonite, cobaltiferons, 123. 

 Sperrylite, North Carolina, 381. 

 Sulphohalite, 511. 



Tantalite, crystallized, 123. Tapio- 

 lite, crystallized, 121. Topaz, 

 supposed pseudomorphs, 121. 

 Torbernite, etching figures, 41. 



Zircon, twinned crystals, 323. 

 Mines and Mining in the United 



States, Law of, Barringer and 



Adams, 436. 

 Mixter, W. G., electrosynthesis, 217. 

 Moore, J. E., electrical discharge and 



the kinetic theory of matter, 21 . 



N 



Niagara Falls, geology of, Spencer, 

 439. 



Nipher, F. E., Electricity and Mag- 

 netism, 432. 



North American geology, etc., Wales, 

 510. 



Norton, J. T., Jr., iodometric deter- 

 mination of molybdenum, 168. 



Nova Scotia, geology of southwest, 

 Bailey, 510. 



Obituary — 



Hall, James, 284, 437. 



Ortmann, A. E., new marine Ter- 

 tiary horizons near Punta Arenas, 

 Chile, 478. 



Osmotic pressure, Traube, 194. 



Ostwald's Klassiker der Exacten Wis- 

 senschaften, 200. 



Packard, A. S., Text-book of Ento- 

 mology, 103. 



Paleontology, contributions to, Lucas, 

 399. 



Palmer, A. deF., Jr., apparatus for 

 measuring very high pressures, 451. 



Panama and Costa Rica, geology of, 

 Hill, 435, 505. 



Penfield, S. L., Brush's Mineralogy, 

 revised, 436. 



Penniman, T. D., New method of 

 measurement of self -inductance, 97. 



Perry, physical geography of Wor- 

 cester, Mass., 435. 



Petroleum in Burma, Noetling, 102. 



Physics, Elementary, Aldous, 100. 



Pirsson, L. V., geology of Judith Mts., 

 Montana, 508. 



Pratt, J. H., origin of corundum in 

 North Carolina, 49 ; twinned crys- 

 tals of zircon, 323 ; associated min- 

 erals of rhodolite, 463. 



Pressures, apparatus for measuring 

 very high, Palmer, 451. 



Pyrenees, granite of, Lacroix, 511. 



R 



Radiometer, registering solar, Isham, 



160. 

 Reflection, irregular, Hutchins, 373. 

 Rhode Island, brachiopod fauna, 



Walcott, 327. 

 Richards, T. W., transition tempera- 

 ture of sodic sulphate, 201. 

 Richter, E., Seestudien, 103. 

 Rocks — 



Basalt in Virginia, Darton and 



Keith, 305. 

 Biotite-tinguaite, Essex Co., Mass., 



Eakle, 489. 

 Dunite, West Massachusetts, 244. 

 Felsophyre in Virginia, Darton and 



Keith, 305. 

 Granite of the Pyrenees, Lacroix, 



511. 

 Igneous, composition of, Walker, 

 410. 



of Christiania, Brogger, 273. 

 of Tasmania, Twelvetrees and 

 Petterd, 511. 

 Laurdalite, Brogger, 273. 

 Lava flows of the Sierra Nevada, 



Ransome, 509. 

 Metamorphism of, Van Hise, 75. 

 Peridotite, occurrence of corundum 



with, Pratt, 49. 

 Solvsbergite, Essex Co., Mass., 



Washington, 176. 

 Tinguaite, Essex Co., Mass., Wash- 

 ington, 176; Eakle, 489. 

 Vanadium and molybdenum in 

 rocks, Hillebrand, 209. 

 Rotation, structural and magneto- 

 optic, Wright and Kreider, 416. 

 Rowland, H. A., methods for the 

 measurement of self-inductance, 

 etc., 97. 



s 



Scientific Periodicals, Catalogue, 1665- 



1895, Bolton, 513. 

 Scripture, E. W., Yale Psychological 

 i Laboratory Studies, 512. 



