33] 
MINERALS— 
a Nepheline syenite, Ontario, viii, 
Newtonite, Arkansas, ii, 13. Nickel, 
terrestrial, i, 202. Nickel-Skutter- 
udite, New Mexico, v, 165. North- 
upite, 1, 480. 
Octahedrite, Arkansas, viii, 114; 
Buckingham Co., Va., ii, 481; Cal-| 
ifornia, ili, 829. Offretite, France, 
li, 433; viii, 190. Oligoclase, N. Car- 
olina, viii, 115. Orangite, Norway, 
i, 440. Orpiment, Yellowstone, ii, 
403. Orthoclase, Ontario, viii, 16. 
Painterite, Penn., ii, 247. Paramela- 
conite, iii, 158. Penfieldite, Greece, 
iv, 260; viii, 114. Pennine, Texas, 
Pa., ii, 408. Pentlandite, Ontario, | 
v, 493. Phznicochroite, synthesis, 
iv, 57. Phillipsite, viii, 189. Pied- 
montite, South Mt., Pa., vi,50. Pina- 
kiolite, Sweden, i, 251. Platinum, 
supposed occurrence in N. Carolina, 
iii, 540. Plattnerite from Mullan, 
Idaho, iii, 407. Plessite, ii, 64. 
Plumboferrite, Sweden, ii, 454. Pol- 
lucite, composition, i, 213. Poly- 
basite, Aspen, Col., iv, 15. Poly- 
erase, N. Carolina, i, 423. Powellite, 
Idaho, Melville, i, 138; Houghton 
Co., Mich., vi, 356. Prolectite, 
Sweden, 1, 350. Protovermiculite, 
Ark., ii, 242. Pseudoleucite, Mon- 
tana, 1, 395. Ptilolite, Custer Co., 
Col., iv, 96,101. Pyrite, New York, 
vy, 488; nickeliferous, Sudbury, 
Ont., vii,312. Pyrophanite, Sweden, 
ii, 483. Pyroxene, blue, N. Mexico, 
iii, 279; see Augite. 
nickeliferous, v, 76. 
Quartz, N. Carolina, vi, 420; from 
the alteration of flesh-colored ortho- 
clase, W. Cheyenne Cafion, iv, 385; | 
erystals in spherulites, ii, 42 ; twist- 
ed crystals, Tschermak, 1, 351. 
Realgar, Yellowstone, ii, 403. Rector- 
ite, Ark., ii, 16. Retzian, Nordmark, 
1, 350. Rhodoarsenian, Sweden, viii, 
74. 
Rittingerite, viii, 79. 
Texas, vi, 208; vii, 480. 
Burma, iii, 329. Rubies, synthesis, 
Frémy, ii, 432. Rutile, Black Hills, 
i, 249 ; Colorado, iv, 384. Scheelite, 
South Mt., Pa., vi, 50. Schneeberg- 
ite, so-called, 1, 244. Scolecite, Brazil, 
iii, 77.; composition, viii, 190. Sjog- 
ruvfite, Sweden, iv, 262; viii, 79. 
Sodalite, anal., ix, 465; Montana, 
1, 396; Ontario, viii, 16. Stannite, 
Black Hills, S. D., v, 105. Stauro- 
3 
Rowlandite, 
Neptunite, Greenland, vi, 311. | 
Pyrrhotite, | 
Riebeckite, Michigan, ii, 508 ; | 
Ruby, | 
VOLUMES XLI-L. 
D47 
MINERALS— 
lite, chemical composition, Penfield 
and Pratt, vii, 81. Stibiotantalite, 
Australia, ix, 479.  Stilbite, viii, 
190. Sulphohalite, i, 438. Sulphur, 
Yellowstone, ii, 401 ; native, Michi- 
gan, 1, 246. Sundtite, Bolivia, vi, 
154; Svabite, iii, 246. Sychnody- 
mite, Prussia, ii, 433. 
Teenite, ii, 64; Derby, ix, 101. Tale, 
lime- and alumina-bearing, Hobbs, 
v, 404. Tantalite, Black Hills, i, 89. 
Tennantite, Aspen, Col., iv, 15. 
Tetrahedrite, plumbiferous, British 
Columbia, 1, 278. Thomsonite, viii, 
189. Titanite, Arkansas, i, 398; 
Topaz, composition and properties, 
vii, 387; Texas, vii, 403; water in, 
vii, 386. Tourmalines of Elba, vii, 
145. Trimerite, Sweden, i, 251. Tri- 
phylite, Black Hills, i, 415; optical 
properties, 1, 387. Tscheffkinite, 
Virginia, ii, 36. Tungsten minerals 
in Canada, ii, 347. Turquois, N. 
Mexico, i, 511; vi, 400. Tysonite, 
Colorado, i, 489. 
Umangite, Argentine Republic, ii, 433. 
Uraninite, new analyses, ii, 390; 
containing argon, ix, 421. Urbanite, 
Sweden, 1, 76, 351. 
Variscite, Utah, vii, 297. 
Piedmont, Italy, vi, 293. 
Webnerite, Bolivia, 1, 76. Whartonite, 
Ontario, v, 165, 496. Willemite, 
crystallization, vii, 305. Wulfenite 
crystals, New Mexico, viii, 193. 
Xanthophyllite, analysis, iii, 378. 
Xenotime, El Paso Co., Colorado, 
v, 398; Manhattan Island, 1, 75; 
green, Burke Co., N. C., vi, 200 ; in 
rocks, i, 308; transparent, Alex- 
ander Co., N.C., vi, 254. Xiphonite, 
Sicily, ix, 480. 
Yttrium-calcium fluoride, Colorado, 
iv, 386. 
Zeolites, Clarke, viii, 187. Zircon, 
Ontario, viii, 214. Zoisite, Mitchell 
Co., N. C., vi, 154. Zunyite, Ouray 
Co., Colorado, v, 397. 
Minéraux et Métalliféres, Traité des 
Gites, Fuchs et DeLaunay, vi, 309. 
Violan, 
'Minnesota, geol. survey, see GEOL. 
Reports and SURVEYS. 
Minor, J. C., Jr., composition and 
properties of topaz, vii, 387. 
Minot, C. V., Vertebrate Embryology 
vii, 158. 
Missouri Botanical Garden, i, 336; 
v, 526; 1, 507. 
Cambrian in, Winslow, v, 221. 
coal deposits, Winslow, iii, 435. 
