248 



NEW YOKE STATE MUSEUM 



Carboniferous system, 137 5 , 1661-70 5 ; 

 life of, 1701. 



Casbaqua shale, 164 3 . 



Catskill group, 165 1 , 194 6 . 



Catskill limestone, 157 7 . 



Catskills, conglomerate, 166 6 . 



Cauda galli grit, 1595, 191.4, 2073. 



Cement, hydraulic, 156 5 . 



Cement, lime and, 222 5 . 



Cenozoic time, 135?, 1747-79*. 



Cbalcopyrite, 1227. 



Cbalk, 173 3 . 



Champlain valley, calciferous sand- 

 rock, 147 s ; Chazy limestone, 147 7 ; 

 clays, 2117-123. 



Chazy limestone, 147 5 , 200 2 . 



Chemical history of the earth, 117 3 -18 5 . 



Cberaical rocks, 125 6 . 



Chemung group, 164?, 193 9 -945. 



Chert, 1737. 



Chromite, localities producing, 232 2 . 



Chrysolite, 122*. 



Clarke, J : M., papers on geology of 

 New York, 2373. 



Classification, of geologic time and 

 strata, 135-36. 



Clay, 1208, 1255, 1773, 2083-139; pro- 

 ducts, 2133. 



Clay-slate, 1961. 



Clinton county, sandstone, 145 2 . 



Clinton group, 1531, 1908-912. 



Clinton ores, 219 8 -206. 



Coal, 122 7 ; vegetable origin, 125?, 168 2 ; 

 shales resembling, 162 8 ; in Pottsville 

 conglomerate, 167 4 ; fossils of coal 

 measures, 1691; localities producing, 

 1696, 2349. See also Carboniferous 

 system. 



Cobblestones, 2037. 



Cocktail fucoid, 159 7 . 



Cohoes mastodon, 2441. 



Colorado group, 174*. 



Columbia county, calciferous lime- 

 stone, 147 3 ; limonites, 2207-217; 

 spathic iron ore, 221 9 -22 4 . 



Conglomerate, 1206, 125*, 127 5 , 1666. 

 See also Oneida conglomerate ; Potts- 

 ville conglomerate. 



Connecticut browustoue, 195 6 . 

 Conrad, T. A., palaeontologist, 241 8 . 

 Copper ore, 122 7 ; localities producing, 



2323. 

 Corniferous limestone, 160 2 ,'202 2 . 

 Corundum, 1227, 2266. 

 Cretaceous system, 173 3 -74 6 ; life of, 



1745. 

 Crust of the earth, 1166-172, 1197. 

 Crustaceans, 141 9 . 

 Crystalline limestone, 126 2 , 138 8 , 1991 



constituents, 121 6 . 

 Crystalline rocks, 1367, 183 2 . 

 Crystallography, 120 9 . 



Dakota group, 174 4 . 



Dana, J. D., Manual of litliology and 

 mineralogy, 120 9 ; Manual of geology, 

 151 2 , 2377. 



Darton, N. H., photographs by, 110 9 - 

 111; bulletin on North America 

 geology, 237 4 . 



De Kay, J. E., zoologist, 241 8 . 



Devonian system, 137 7 , 158 4 -65 9 ; origin 

 of name, 158 5 ; life of, 165 7 . 



Diabase, 125 2 ; constituents, 121 8 . 



Diamonds, 122 8 . 



Diatomaceous earth, 226 7 . 



Diopside, 121 9 . 



Diorite, 18:13, 125 2 , 138 8 . 



Dix, John A., plan for geologic survey, 

 241 6 ; founder of museum, 243 2 . 



Dolomite, 1207. 



Dover mountain, formation, 140 9 . 



Dutchess county, limestone, 142 8 , 143 2 ; 

 quartzite, 143 4 ; calciferous lime- 

 stone, 1473; limonites, 2207-217. 



Dwight, W: B., geologic studies, 142 5 . 



Dykes, 139 9 -403. 



Dynamic geology, 1281-29 2 . 



Earth, origin of, 114 8 -17 2 ; crust, 116 6 - 

 17 2 , 1197 ; chemical history, 117 3 -185 ; 

 present condition of interior, 118 6 - 

 19i ; envelopes, 119 2 . 



Economic geology, 181-234. 



Elementary substances, 116 6 -17 2 . 



