INDEX. 



531 



Minerals — 



Calcite crystals, Pirsson, 61. Castan- 

 ite, 252. Columbite, Black Hills, 

 89, 403. 



Diamonds, Wis.. 252. Diaspore, Col- 

 orado, 466, 475. 



Eudialyte, Arkansas, 397. 



Falkenhaynite, 252. Fayalite, Color- 

 ado, 439. Fergusonite, new locali- 

 ties, 440. Ferro-goslarite, Wheeler, 

 212. Fluorite, free fluorine in, 240. 



Garnet, Alaska, Kountze, 332. Griph- 

 ite, Black Hills, 415. Grossular- 

 ite, Mexico, 321. Guanajuatite, 

 403. 



Halotrichite, Colorado, 296. Harmo- 

 tome, Port Arthur, Ontario, 161. 

 Heintzite, 252. Hintzeite, Strass- 

 furt. 252. 



Magnetite, Sao Paulo, Brazil, 311, 

 522. Monticellite, Arkansas, 398. 



Nickel, terrestrial, 252. 



Orangite, Norway, 440. 



Pinakiolite, Sweden, 251. Pollucite, 

 composition, 213. Polycrase, N. 

 Carolina, 423. Powellite, Melville, 

 138. 



Rutile, Black Hills, 249. 



Sulphohalite, 438. 



Tantalite, Black Hills, 89. Titanite, 

 Arkansas, 398. Trimerite, Sweden, 

 251. Triphylite, Black Hills, 415. 

 Turquois, N. Mexico. 511. Tyso- 

 nite, Colorado, 439. 



Xenotime in rocks, 308. 

 Missouri Botanical Garden, 336. 



geological survey, Winslow, 248, 

 329, 435, 444. 

 Morley, E. W, volumetric composition 



of water, 220, 276. 

 Miiller, C, die Balken in den Holz- 



elemeuten der Coniferen, 254. 



N 



Nebraska, University of, studies, 80. 



Neurology, Journal of, 521. 



Newberr}', J. S., the flora of the Great 



Falls Coal Field, Montana, 191. 

 Newton, H. A., fireball in Raphael's 



Madonna di Foligno, 235. 

 Nichols, E. L„ alternating electric arc 



between a ball and point, 1. 







Obituary — 



Brady, H. B., 337. 

 Croll, James, 258. 

 Hilgard, J. E., 525. 

 LeConte, John, 524. 

 Leidy, Joseph, 523. 

 Mackintosh, J. B., 444. 

 Winchell, A., 337. 



Observatories, list of, Lancaster, 76. 

 Ocean, Indian, depths of 3000 fathoms 



in, 443. 

 Ostwald's Klassiker der exakten Wis- 



senchaften, 258. 



Palseontologie, Zittel, 330. 



Peirce, G J., notes on Corticium Oakesii 



and Michenera Artocreas, 163. 

 Penfield, S. L., composition of aurichal- 



cite, 106; crystallographic notes, 394. 

 Perry, E. W., minerals from Snake Hill, 



New Jersey, 73. 

 Petrology, Introduction to, Hatch, 517. 

 Phosphate deposits of Florida, Darton, 



102. 

 Photochronograph. Marey. 70. 

 i Photographic sensitives, Yogel, 70. 

 Photographie. Geschichte, Schiendl, 430. 

 Photo-electricity, Minchin, 326. 

 i Photography of colors, Lippmann, 326 ; 



pin-hole, Rayleigh, 327. 



of ultra red rays, Higgs, 515. 

 Physics, Appleton's, 431. 

 Pirsson, L. V., calcite crystals from 



Mexico, 61; rutile from Black Hills, 

 i 250; crystallographic notes, 394. 

 Prange, allotropic silver, 325. 

 Preston, E. D., study of the earth's 



figure by the pendulum, 445. 

 I Priestley's eudiometric method, Wank- 



lyu, 428. 

 Pulfrich, C, total-reflectometer, 431. 



R 



Reade, T. M., compressive stress in 



rocks and recent rock flexures, 4u9. 

 Refractive indices of water, Bruhl, 428. 

 Richter, K., index of European plants, 



163. 

 Ridley, H. N., raised reefs of Fernando 



de Noronha, 406. 

 Rocks— 



Granite, rifting in, Tarr, 267. 



Syenite. Saganaga, 386. 



Volcanic, Tewan Mts., Iddings, 248. 

 Roth, J., geologie, 249. 

 Rowland, H. A., recent progress in 



spectrum analysis, 243. 

 Russell, I. C, are there glacial records 



in the Newark system ? 499. 



Salisbury, R. D., Pleistocene and Pre- 

 pleistocene of Mississippi Basin, 359. 



Sar ent, C. S., Silva of N. America, 73. 



Schaedler, C, Handworterbuch der 

 Chemiker, 432. 



Schiendl. C, Geschichte der Photo- 

 graphie, 430. 



