INDEX. 
Merriam, J. C., reptilian remains 
from the triassic of No. Calif, 55. 
Meteoric iron containing argon and 
helium, Ramsay, 264: carbon, 
Moissan, 499. 
‘Meteorite collection, Field Columbian 
Museum, Farrington, 427. 
Meteorites, two new, Howell, 252. 
oa” S., La Géologie Comparée, 
Michigan geol. survey, 71. 
Mineral Industry in the U.S., Roth- 
well, 427. 
Minerals and how to study them, 
Dana, 274. 
Minerals, separation, of high specific 
gravity, Penfield, 447. 
MINERALS— 
Aigirite-augite, Montana, 396. 
Apatite, Canaan. Conn., 128. 
Asbestus, magnetism of, 418. 
Barite, Michigan, 123. Boleite, 
New South Wales, 426. 
Calaverite, Cripple Creek, Colorado, 
128, 426. Cerussite, Montana, 
121. Chloritoid, Michigan, 125. 
Chondrodite, Sweden, 350. 
Clinohumite, Sweden, 350. Cop- 
aes in western Idaho, Packard, 
298. 
Dietzeite, Chili, 76. 
Elpidite, Greenland, 76. 
Fluorite, Montana, 396. 
Garnet resembling jade, Calif, 76. 
Hessonite, Canaan, Conn., 128. 
Humite, Sweden, 350. 
Lawsonite, Marin Co., Cal., 75. 
Leadhillite pseudomorphs, Mis- 
souri, 99. Lithiophilite, optical 
properties, 387. Lossenite, Greece, 
76 
Manganite, Michigan, 124. Miner- 
vite, France, 76. Monazite, Man- 
hattan Island, 75. 
Nantokite, New South Wales, 426. 
Northupite, 480. 
Prolectite, Sweden, 350. Pseudo- 
leucite, Montana, 395. 
Quartz crystals, twisted, Tscher- 
mak, 351. 
Retzian, Nordmark, 350. 
Schneebergite, so-called, 244. So- 
dalite, Montana, 396. Sulphur, 
native, Michigan, 246. 
Tetrahedrite, plumbiferous, British 
Columbia, 273. Triphylite, opti- 
cal properties, 387. 
Urbanite, Sweden, 76, 351. 
- Webnerite, Bolivia, 76. 
Xenotime, Manhattan Island, 75. 
Minnesota, geol. survey, 72. 
Montana phonolitic rocks, 
513 
Missouri Botanical Garden, annual 
report, 507. 
geol. survey, 347. 
Pirsson, 
394; Weed, 506; igneous rocks 
Weed and Pirsson, 467. 
Mudge, E. H., Central Michigan and 
the post-glacial submergence, 442. 
Murray, J. R. E., thermal conduc- 
tivity of rocks, 419. 
Muthmann, W., so-called schneeber- 
gite, 244, 
? 
N 
New York state geologic map, 505. 
Niven, W., xenotime, monazite, etc., 
on Manhattan Island, 75. 
North America, Lakes of, Russell, 506, 
0 
OBITUARY— - 
Blake, E. W., 4384. 
Eaton, Daniel Cady, 184. 
Foote, A. E., 434. 
Huxley, Thomas Henry, 177. 
Norwood, J. G., 79. 
Pasteur, L., 434. 
Riley, C. V., 356, 482. 
Optics, recent progress, Stevens, 277, 
ovT. 
P 
Packard, R. S., copper in Western 
Idaho, 298. 
Paleontologie, Grundztige der, von 
Zittel, 268. 
Palmer, A. De F., Jr., wave length of 
the Ds; helium line, 357. 
Peckham, S. F., Pitch Lake of Trini- 
dad, 33. 
Peirce, B. O., thermal conductivities 
of marble and slate, 455. 
Penfield, S. L., optical properties of 
lithiophilite, etc., 3887; separation 
of minerals of high specific gravity, 
447, 
Petrology for students, Harker, 425. 
Phelps, I. K., determination of car- 
bon dioxide, 101. 
Photography, color, Wiener, 417; by 
indirect methods, Lumiére, 501. 
Physical Crystallography, Groth, 77. 
Physics, Principles of, Gage, 260. 
Pirsson, L. V., complementary rocks 
and radial dikes, 116 ; igneous rocks 
of Montana, 309, 467: phonolitic 
rocks from Montana, 394. 
