308 
Cherts, of Missouri, 
structure of, xiv., 63 
Chesapeake bay, singing beaches on, 
lii., 73, 74 
Chester, Prof. Albert H., elected res- 
ident member, xi., 25 
Chihuahua, botany and geology, ii., 
66, 90-95 
Chili, copper axe from, iii., 15 
Chimeera, ii., 145 
Chimneys, ventilating, i., 67-70 
China, canals of, vili., 165 
internal trade of, viii., 165, 166 
Mesozoic coal-plants, ii., 151 
railway problem in, xi., 44-156 
Chirigni, gold images, ili., 63 
Chlorastrolite, viii., 162 
Chlorate of potassium, v., 215 
Chloride of lime, y., 193 
Chlorine, v., 186 
solidification of, 191 
Chloris cucullata, vii, 14 
Chlorite, v., 75, 76 
coating quartz, 214 
Vil., 215, 221, 222, 231, 233 
vili., 53 
from Wehawken, N. J., i., 131 
bole 315530) 
from Morrisania, N. Y., iv., 78 
Chloroform, discovery of, xi., 149 
Chlorophane, phosphorescence of, iii., 
7G Ow 
Chlorothorite, viii., 185 
Chordeumidee of North America, xii., 
242 
Chondrophyllum orbiculatum, xii., 35 
Chondropoma Tortolense, ii, 150 
Chonophyllum Sedaliense, vii, 247 
Choteau limestones, vii., 246 
Chromite, vii., 219; viii., 49 
in meteorite, vi., 76, 162 
Chromium in iron ores, ii., 17 
Chromosphere of sun, iv., 244 
Chrysoberyl, i., 2; ii., 42, 64 
cat’s-eye, v., 131; vii., 220, 237 
Chrysocolla, viii., 59; ix., 143 
Chrysopsis villosa, vii, 10 
Chrysotis canifrons, n. sp., li, 151 
Chrysotile, vii., 233 
Ci-bo-hi-kan, x., 41 
Cicada, v., 121 
Cichlide, revision of North American, 
xiii., 110 
Cicuta, iii., 39 
microscopic 
INDEX. 
Ciliata Chlamydodon, ix., 34 
Cimicifuga racemosa, viii., 76 
Cinicus, viii., 80 
Cinnabar, viii., 22 
Cinnamomum, xii., 35 
Cinnamon-stone, v., 75 
Cionella Gloquei, ii, 152 
Circleville, Ohio, cloth from mound 
at, iv., 5 
Circulation of the atmosphere, iii., 61 
Cirripedes, occurrence of, in Cam- 
brian rocks, xv., 144 
Cisluta, i1., 151-153 
consepta, D. Sp., 1i., 150 
maculata, 1. sp., li., 152 
Raveni, ii., 151 
Cities, pavement of, viii., 41-44 
Citrine, viil., 161, 162 
Civilization of America, ancient, i., 
120-124 
Cladium effusum, 1x., 185 
Cladodus Kepleri, vii., 178, 179 
Cladodus, xii., 123 
Cladoselache, xii., 124 
Newberry, n. sp., xiii., 115 
Clathropteris platyphylla, v., 183 vi., 
126 
Clay of the mud-geysers, ili., 7 
Claystone, vii., 16 
Clays, Amboy, x., 41 
Amboy, New York State, xii., 40 
Clay of N. Y. State, Microscopie Or- 
ganisms in, xili., 165 
of the Hudson river valley, xi., 133 
Classified list of N. Y. Min., vii., 217 
Cleavage of rocks, vii., 32-34 
Clematis Drummondii, ix., 181 
Pitcheri, ix., 183 
Cleome integrifolia, i., 8 
lutea, 1., 8 
Clevelandite, vii., 228 
Cleopatra’s needle, v., 67 
Clepsine, Funnels and Vesicles of, 
xlii., 206 
Clere, L., elected 
member, xi., 25 
Clift dwellings, x., 44 
Cliftonite, vil., 6 
Climate, alternations of geological, 
iii., 94-96 
aridity near Rio Grande, ii., 90, 91 
of Spitzbergen, iii., 85-87 
Clintonite, ii., 26 
Clinton iron-ore, 1i., 15, 16 
corresponding 
