INDEX. 
Minerals from the West, v., 213, 214 
interesting, ete., v., 131-133 
of Harlem, v., 74-77 
of Staten Island, v., 228—230 
gems and Ethnology of the Ural 
Mts.,, xi., 119 
new species of, viii., 8, 9, 185 
of the Desert of Sinai, ix., 124 
exhibited at Paris, 1889, ix., 145 
of Weehawken tunnel, i., 129-131 ; 
ii., 88-90 
Mines in San Juan Mts., v., 122 
Mining, Chihuahua, ii., 94, 95 
ozokerite, ii., 43-50 
excavations, ancient, iii., 14 
Idaho, i., 4-6 
Montana, i., 4-6 
Nevada, i., 7, 172-175 
Southwestern Colorado, i., 7, 8 
Utah, i., 168-172 
Miocene, a new artiodactyl from, 
Res) OO 
Mammalian fauna of lower, xii., 
Deposits of White River Group, 
xiv., 187 
Mammals, 
110 
Miohippus, vil., 158, 159, 190 
Mississippi, basin of, viii., 170 
entrance to, vili., 171 
River commission plan of, iv., 43 
River, hydraulics of, ili., 82, 83 
Mitchell’s Geology of North Carolina, 
xi., 45 
Mitigated virus, theories of, v., 204- 
213 
Mme. Gorgnet, will of, xi., 2 
Modern Medicine, contributions of 
organic chemistry to, xi., 107 
Mogollon Mts., flora of, viii., 60-81 
Moisture, as erosive agent, ii., 4 
Molecular formulz, v., 195-197, 199 
theory, v., 199 
Mollusca, v., 32, 34, 42, 47, 49, 52 
Molybdite, vi., 130 
Molybdenite, vi., 130; viii., 50 
Molybdenum, v., 128 
Monadites, xiv., 112 
Monarda clinopodiodes, vii., 13 
citriodora, ix., 185 
Monazite from Maine, i., 42 
Monobromphenole, ili., 32 
Monodon monoceros, xii , 50 
Restoration of, xiii., 
337 
Monograph of Scyonotus, xili., 169 
Montana forests, and mining, i., 5 
Geology of Northern, iv., 2 
Montclair, N. J., cavities in Quartz 
from, xili., 184 
Monticellite, x., 70 
and Perofskite from Magnet Cove, 
xili., 139 
Montivaltia Atlantica, ii., 12 
Monument to Audubon, vi., 163, 164; 
Vili., 128 
Moon, v., 237, 238, 553 
heat from, v., 238 
motion of, v., 237 
surface of, v., 237 
horizontal enlargement, i1., 116-118 
photographs of, i., 143-145 
Moonstone, iii., 107; viii, 162 
Moraine materials in Sullivan 
County, N. Y., iii., 25, 26 
Moraines in British America, viii., 
164 
in Colorado, viii., 164 
on Staten Island, v., 230 
Moral bearing of recent physical 
theories, i., 96-99 
Morgan, J. Pierpont, elected resident 
member, Xi., 25 
Morgan, Prof. C. Lloyd, elected cor- 
responding member, xv., 65 
Moriconia, v., 136 
Morphology and Physiology of Pan- 
creas cell, xiii., 176 
Morus microphylla, viii., 76 
““ Mosaic agate,’’ viil., 44 
chronology, iii., 11 
Mosandrum, v., 200 
Mosasaurus, li., 11 
Moses, Alfred J., elected resident 
member, Xii., 25 
Mosques of Constantinople, iv., 44 
Motion for arrangements for second 
Annual Reception, xiv., 48 
Motion of 61 Cygni, xiii., 120 
Motions of amcebe, ii., 82 
Mound at Circleville, Ohio (cloth 
from), iv., 5 
builders) 17, 120, 122; ii, 415 av, 
48, 49; x., 42 
Mounds and mound builders of 
Ohio, xiv., 67 
animal, x., 40 
Indian, v., 73 
of Ohio, discoveries in, lii., 97 
