354 



INDEX. 



Calcareous spar 101 



Carbon, diffusion of 29 



Carbonic acid 47 



Carbureted hydrogen 48 



Carcharodon 376 



Carnelian 114 



Caverns 216 



Cenozoic time 261 



Cephalaspis 300 



Cephalopods 286 



Chain coral 285 



Chalcedony 114 



Chalk 100 



Chalk, flint in 361 



Chalk, source of 360 



Chalk, what composed of 239, 383 



Champlain epoch 395 



Changes in the earth, agents 



of 172 



Cheirotherium 345 



Chlorite 123 



Chrome yellow 75 



Chrysoberyl 135 



Cleavage 24,212 



Clink-stone 152 



Coal 38- 



Coal, origin of. 41 



Coal, diffusion of 44 



Coal, localities of 307 



Coal, how made 313 



Coal, how deposited 316 



Coal, plants in 319 



Coal, rate of formation of.... 318 

 Coal, why called a mineral... 42 

 Coal age, vegetation of ..325, 326 



Coal age, climate of. 327 



Coal age, scenery of 328 



Coal age, animals of 329, 334 



Coal age, North America at 



close of 336 



Coal-fields 309 



Coal-measures 310 



Coal-measures, disturbances 



in 337 



Coast-lines of Scotland 207 



Cobalt 85 



Coccosteus... .. 300 



Colorado, canons of 184 



Columnar trap 153, 154 



Confervas 249 



Conformable strata 222 



Continent-making in the Ter- 

 tiary period 388 



Copper, native 77 



Copper, oxyds of 78 



Copper, carbonates of 79 



Copper, silicate of 80 



Copper of Silurian rocks 277 



Coral reefs 237 



Corals 236 



Corals in age of Coal 330 



Corals in Cretaceous period.. 363 



Corals in Devonian age 293 



Corals in Jurassic period 351 



Corals in Silurian age 285 



Creation, the two records of. 427 



Creative power 439 



Cretaceous period, animals of 363 



Cretaceous system 358, 359 



Crinoids in Coal age 331 



Crinoids in Cretaceous period 363 

 Crinoids in Jurassic period... 351 



Crinoids in Silurian age 285 



Crust of the earth, floor of... 264 

 Crust of the earth, treasures 



in 170 



Crystallization 13 



Crystallization, contrasted 



with vital growth 15 



Crystallization, modes of 19 



Crystallization, water of. 20 



Crystals, arrangements of.. 16, 22 

 Crystals, primary forms of... 25 

 Crystals, secondary forms of. 26 ' 

 Crystals, constancy in forms 



of 27 



Crystals, symmetry in 28 



Crystals, sizes of. 14 



Ctenoids 299 



Cuvier, investigations of. 247, 383 

 Cycloids 299 



Decay 6 



Deliquescence 97 



