476 



INDEX. 



India, Carboniferous bowlders from, 

 Emerson, 57. 



Indiana, geology and natural re- 

 sources, Blatchley, 398. 



Interference rings, selenium. Long- 

 den, 55. 



Iowa Geological Survey, vol. x, 467. 



Jones, H. C, Electrolytic dissocia- 

 tion, 76. 



K 



Kayser, H., Handbuch der Spectro- 

 scopic, 464. 



Knight, W. C, new Jurassic verte- 

 brates, 115. 



Knowlton, Bobemian mining region 

 of Oregon, 465. 



Koenig, G. A., on mobawkite, stibio- 

 domeykite, domeykite, algodonite, 

 etc., 439. 



Kohlrausch, F., Pi'actical Pbysics, 

 320. 



Landolt, H., Optical Activity and 

 Cbemical Composition, 76. 



Langley, S. P., Smithsonian Eeport 

 for 1898, 469. 



Latitude, variation, earth magnet- 

 ism, etc., Halm, 405. 



Leverett, F., Illinois glacial lobe, 

 249. 



Light, action on magnetism, Hart, 

 66. 



Lindgren, W., gold and silver veins 

 in Idaho, 466. 



Longden, A. C., selenium interfer- 

 ence rings, 55. 



Louisiana, geology, Harris and 

 Veatch, 81. 



M 

 Magnetic effect of rnoving electric 



charges, Cremieu, 396. 

 — screening, DuBois and Wills, 77. 

 Magnetic Pole, South, location, 



Borchgrevink. 405. 

 Magnetism, action of light on, Hart, 



66. 

 Magnetostriction, torsional, Barus, 



407. 

 Maine, glacial gravels, Stone, 247. 

 Margerie, E. de, translation of Suess 



Antlitz der Erde, 167. 

 Melting points of the metals, Hol- 



born and Day, 187. 

 Meteoric stone, Bjurbole, Finland, 



250. 



Michigan Geol. survey, vol. vii, 399. 



— preglacial drainage in, Mudge, 158. 

 Mineral analyses, interpretation, 



Penfield, 19. 



— Tables, Weisbach, 5th ed. , 84. 



— veins, enrichment, Weed, 82. 

 Mineralogie, Handbuch, Hintze, 469. 

 Mineralogy, Elements of, Moses and 



Parsons, 405. 

 Minerals, determination by maxi- 

 mum birefringence, Pirsson and 

 Eobinson, 260. 



MINERALS. 



Algodonite, 447. Ancylite, Green- 

 land, 324. Aragonite and calcite, 

 relative stability, 392. 



Beryl (emerald) mines in Egypt, 468. 

 Britholite, Greenland, 325. 



Calcite crystals, Joplin, 84 ; Union 

 Springs, N. Y., 237 ; Cumberland, 

 England, 240, 241 ; Lancashire, 

 242 ; Montreal, 243. Caledonite, 

 New Mexico, 84. Carnotite, Col- 

 orado, 120. Celestite, Canada, 

 404. Chalcolamprite, Greenland, 

 324. Chromite, method of de- 

 composing, 76. Cordylite, Green- 

 land, 324. Corundum, No. Car- 

 olina, 295. Cubosilicite, 168. 

 Cupro-goslarite, Kansas, 168. 



Domeykite, 439. 



Endeiolite, Greenland, 325. Epis- 

 tolite, Greenland, 325. 



Florencite, Brazil, 404. 



Goldschmidtite, Colorado, 422. 



Hessite crystals, Colorado, 426. 

 Hubnerite, Nova Scotia, 404. 

 Hydromagnesite, British Colum- 

 bia, 404. 



Inesite, Mexico, 83. 



Johnstonotite, Tasmania, 469. 



Leucosphenite, Greenland, 324. 

 Lorenzenite, Greenland, 324. 



Melite, 168. Mobawkite, 440. 

 Monazite, Brazil, Derby, 217. 

 Mullerite, 168. 



Narsarsukite, Greenland, 324. Na- 

 tron, British Columbia, 404. 



Polycrase, Canada, 404. 



Eobellazite, 168. Eoscoelite, Col- 

 orado, 123, 130. 



Schizolite, Greenland, 325. Spodio- 

 phyllite, Greenland, 324. Stibio- 

 domeykite, 445. Sylvanite, Col- 

 orado, 419. 



Tainolite, Greenland, 324. Tellu- 

 rides, Colorado, 419. Tourmaline, 

 constitution, Penfield, 19. Tur- 

 quois, chemical composition, 346. 



Whitneyite, 446. 



