334 
Magnolia alternans, xiii., 181 
Capellini, xii., 254 
ongifolia, Xii., 36 
speciosa, xii., 234 
glauca, iv., 31 
Maine, minerals from, ii1., 2 
Majanthemophyllum pusillum, xii., 36 
Major Planets, v., 250-253 
Malachite from Arizona, v., 19 
from N. Y. City, vi., 41; viii., 12, 
45, 59; ix., 148 
Malpigiacea, vii., 8 
Malvacee, vii., 8 
Matlvastrium, viii., 77 
Americanum, ix., 181 
tricuspidatum, ix., 181 
Mammalia, genealogy of, v., 89 
the rise of, xii., 53 
Mammalian fauna of Lower Miocene, 
xii., 50 
Mammals, Cretaceous, recently dis- 
covered, xii., 27 
from White River Deposits, Dak., 
xiii., 176 
Mammoth cave of Kentucky, i., 59- 
66; ii., 38-41 
extinction of, iv., 19, 23, 25 
Siberian Skin of, iv., 24 
Menaccanite, ii., 7 
Man, antiquity of, iii., 7-12 
Manchester, Mass., ‘‘ singing beach’’ 
at, iii., 73-75 
Manganese, x., 59 
Manganese ore in southwest Vir- 
ginia, 1., 163 
oxide, ii., 14, 17, 100; vi., 91 
Mangroves, x., 6 
Mann, Charles Riborg, elected resi- 
dent member, xi., 40 
Man of Spy, viii., 182-135 
Manufacture of stone tools, x., 110 
Maple juice, sap-sand, i., 168 
sugar, artificial, v., 194 
Map of U.8., construction of, viii., 
21 
Marbles, colored, ix., 95 
from Manchester, Vt., ix., 96 
from Numidia, ix., 95 
of the ancients, iii., 101, 102 
of Virginia, i., 163 
Marble, decay of, ii., 38, 71, 72; v., 
62-69 
durability of, i1., 128-133, 136 
flexibility of, ii., 180-133 
INDEX. 
quarries of Western N. E. and 
Eastern N. Y., xv., 182 
Marcasite, v., 231; viii., 54 
in Mica, v., 121 
Margaritana, viii., 163 
Margarops albiventris, vi., 111 
Marginal modifications of the leaf, 
lii., 39-41 
Marié, Peter, elected resident mem- 
ber, xiv., 154 
Marine Laboratories of Europe, xii., 
oO 
Marl] belt of New Jersey, ii., 9-13, 
85 
Marmolite, i., 58; v., 229 
Marrubiun vulgare, ix., 185 
Mars, v., 249-250 
Marsh gas, v., 190 
Marsileaceze, vii., 14 
Marsilea macropoda, vii., 14 
Martha’s Vineyard, Geology and 
Botany of, xiii., 8 
Martin, Benj. N., life of, iii., 56-60 
Martin, D. S., elected Councillor, 
xii., 128 
Massachusetts, minerals, iii., 17, 18 
Mastodon, iv., 20, 22; vi., 59; vil., 
52, 128, 246 
remains, v., 15, 117, 223 
tooth, viii., 2 
Mauna Loa, viii., 82 
Maximowiczia Lindheimeri, vii., 9 
Maya inscriptions and carvings, v., 
170-178 
Mayer, Prof. A. M., elected resi- 
dent member, xiil., 234 
McLouth, Lawrence A., elected resi- 
dent member, xv., 147 
Meandrina convexa, vii., 253 
Mearns, Dr. E. A., viii., 60 
Measurements of air effects, xiv., 169 
Measures of Stars about Beta Cygni, 
xi., 120 ; 
Mechanical power from electricity, 
v., 102-110 
from heat, v., 95-97 
into electricity, v., 94-97 
science, researches in, ii., 18 
Medicago Virginica, xii., 58-64 
Medical knowledge of Indians, v., 
203 
Medina sandstone, v., 216 
Mediterranean, amber of, vili., 157 
Meduse, v., 37 
