INDEX. 



627 



PAGE 



Cordaites 361 



Robbii 331 



Cornif erous period 328 



Cornulites serpentarius 321 



Corydaloides Scudderi 397 



Coryphodon beds 530 



hainatus 531 



skull and brain 538 



Cretaceous 469 



animals 477 



birds 488 



coal 473, 498 



echinoderms 478 



fishes 482 



mammals 492 



mollusks 478 



period, physical geography in America . 469 



plants 474 



reptiles 484 



rocks 470 



rocks, area in America 469 



sponges 477 



subdivisions 473 



Crinoids, Carboniferous 391 



distribution in time 393 



Jurassic 428 



living 310 



Silurian 310 



Triassic 416 



Crioceras 482 



Crist el laria subarcuatula 472 



Critical periods 410, 594 



Crocodilians 439 



Croll 39, 65 



Croll's theory of glacial climate 590 



Crossopterygians 339 



Crust of the earth, elevation and depression. 133 



Crustaceans, Carboniferous . . 393 



Devonian 333 



Jurassic 434 



Silurian 320 



Cruziana bilobata 303 



Ctenacanthus 398 



vetustus 337 



Ctenacodon serratus 467 



Ctenopistha antiqua 333 



Cuneoliua pavonia 471 



Cupriferous veins 239 



Cyathophylloid corals 304 



Cycadeoidea megalophylla 428 



Cycads, Triassic 415 



Cycas circinalis 428 



cross-section of stem 370 



Cyclopteris Jacksoni 330 



obtusa 330 



Cyprea Matthewsonii 481 



Cypris 394 



Cyrtolites compressus 317 



Dyeri 317 



Trentonensis 317 



D 



Dadoxylon Ouangondianum 330 



Dalmania limulurus 324 



PAGE 



Dalmania pleuropteryx 321 



punctata 334 



Dames 445 



Dana. . .34, 40, 42, 46, 51, 89, 224, 225, 382, 401, 452 



Daonella Lommelli 417 



D'Archiac 50 



Darwin, C 150 



Darwin, G. W 168 



Daubeny 380 



Daubree 222, 224, 227 



Davis 269 



Dawkins 345 



Dawson, J. W 329, 370, 401 



Dawson, G. M 473 



Dawsonella Meekii 394 



Decay of rocks - 7 



De la Beche 240, 275 



Deiesse 224 



Deltas 26 



formation 28 



rate of growth 29, 30 



Dendrerpeton 401 



Acadeanum, jaw and tooth 402 



Dendrograptus Hallianus 309 



Denudation 273 



agents 273 



amount 274 



geological time estimated by 276 



Deposits, chemical in seas 82 



from icebergs 72 



from wave-action 39 



in lakes 79, 81 



in springs 77 



shell 160 



Depression of coast of South Atlantic States 137 



of deltas of rivers 136 



of earth-crust in Pacific Ocean 137 



Devonian age, anticipations 326 



age, division into periods 328 



age, life-system 328 



age. physical geography 327 



animals 332 



brachiopods 332 



cephalopods 333 



corals 332 



Crustacea 333 



fishes ' 334 



fishes, general characteristics 340 



fishes, nearest living allies 339 



fishes, rank 342 



insects 334 



land-plants 329 



plants 328 



radiates 332 



system 327 



system, area in United States 327 



Diabase 204 



Diatoms of Tertiary 510 



Diatryma gigantea 521 



Diceras arietina 429 



Diclonius mirabilis 499 



Dicotyledons, first appearance 477 



Dictyopyge macrnra 457 



Dicynodon lacerticeps 420 



