336 
Toluca, Mex., vi., 70 
from Kansas, xii., 96 
of Alfianello, ii., 117 
containing Olivine, iv., 5 
from New Mexico, iv., 77 
from Laurens Co., N. C., iv., 80 
from Catorce, Mex., v., 227 
from Cohahuila, v., 231 
from Texas, v., 231 
in southwest Pennsylvania, v., 14 
Meteorites, decomposition of, v., 231; 
vi., 143-146, 160-162 
from Kiowa Co., Kan., ix., 138, 
186 
from Texas, vili., 186 
from Tennessee, viii., 187 
fusion-structures in, i., 153-155 
stone, vi., 71 
Meteorological Notes in Curacoa, iv., 
47 
Meteors, iv., 256-257 
Method, Kjeldahl, x., 24 
von Asboth, x., 25 
of defining standard colors, xiii., 
170 
Methods of analysis, ii., 26-35 
of animal locomotion, i., 164, 167 
of animal self-defence, iii., 53-55 
of deducing motions of fifty-six 
stars, etc., xiv., 68 
of research in bacteriology, ix., 139 
Methylene, v., 196 
Metric system, introduction and 
adoption of by Government and 
the country, xv., 124 
Mexican amber, viii., 158, 162 
aragonite, viil., 44 
tin ore, vill., 150 
idols, ix., 97 
natives, v., 130 
Mexico, minerals, ili., 38, 63 
Meyer, Thomas C., elected resident 
member, xiy., 154 
Mica, ii., 3, 147; v., 232; vi., 3, 39 
slate, ii., 73 
containing marcasite, v., 121 
in Ohio mounds, v., 73 
in Roan Mountain, v., 222 
mines of, v., 73, 222 
mines of in North Carolina, v., 
222 
mirrors, v., 73 
schist, holding Kyanite, iii., 22 
schists, v., 222 
INDEX. 
Micaceous mineral from Franklin, 
Niels, xs, 9 
Michigan minerals, iii., 1, 2 
Michilinia expansa, vii., 247 
placenta, vii., 247 
Miemacea Matthewi, van Ingeni, re- 
curva (?) plana, xiv., 141, 142 
Microcline in Granite Diorite, xiv., 
84 
Microdiscus, not in 
Fauna, xiv , 150 
Microscopical technique, xii., 56 
Microscopic examination of ores, ii., 
34 
observations, errors in, ii., 81-83 
examination of sand, iii., 64, 75 
examination of volcanic ash, iii., 
63, 64 
structure of a conifer, tii., 87 
organisms in the clays of New 
York, xiii., 165 ; 
Milk, human, new fat in, ii., 140 
Mimocichla plumbia, x., 52 
Mimosa fragrans, ix., 184 
Linotheimeri, ix., 184 
malacophylla glabrata, ix., 181 
Mimulus floribundus, viii., 79 
Mimus polyglottis, x., 52 
gundlachi, x., 52 
Mineral Cabinet, On a portable, xiii., 
140 
resources of southwest Virginia, 
i., 159-163 
wax or ozokerite, ii., 43-50 
Mineralogical Journal, Bruce’s Amer- 
ican, Xi., 57 
names, origin and history of, xi., 
49 
notes, v., 223; xili., 144, 184 
Mineralogy, local field-work on New 
York Island, iii., 48-50 
Minerals from Arizona, viii., 11, 12, 
13 
from Bergen Hill, N. J., viii., 16, 
ale, 
from California, viii., 22 
from Colorado, viii., 12, 160 
of French Creek, Penn., iv., 41; 
viii., 56-59 
of New York Island, v., 120-121; 
vi., 130; vili., 2, 3, 21 
of North Carolina, viii., 2, 7, 8, 
160, 161 
of Stoneham, Maine, vili., 12, 15 
Protolenus 
9 
