Index. 



637 



Cleistocarpidae, 535, 536. 

 Coccoiieida;, 347. 

 Cocconeis, 350. 

 Cocconeina, 347. 

 aspersa, 350. 



liineeoliitum, 350. 



Codaster, 221,225, 488. 



Wliitei, 327. 



Coeliocrinus, 498. 499. 



dilatatuu, 501. 



sitbspinosus, 501. 



vontricosus, 501. 



CoiiocardiuiT), 221. 

 Conocephalus, 449. 

 crepitans* 450. 



ensiger, 449. 



obtusiis, 450. 



robustus, 449. 



nncinatus, 450. 



Conovulus biplicatiis, 157. 



coftee, 163. 



cofteus. 163. 



coniformis, 163. 



flavns, 166. 



monile, 166. 



nitens, 169. 



pusillus, 169. 



Conularia. 221. 

 Conulns Fabricii, 120. 

 Corals, 222. 

 Coscinodiscus, 350. 



eccentricus, 346. 



gisas, 346. 



lineatu", .346, 349. 



oculus-iridis, 346. 



subtilis, 346, 349. 



tenuis, 333, 334, 346. 



Crab, Fossil, of Gay Head, 583. 

 Craterolophus, 536, 539. 



convolvulus, 540. 



Tethys, 540. 



Crinoidea, 223 ; Carboniferous, 261 ; from 



the Jlississippi Valley, 261; New 

 Species of, 261 ; Descriptions of New 

 Species of, from the Carboniferous 

 Rocks at Burlington, Iowa, 481; Re- 

 cuperative power of, 491. 



Crustacea of Gay Head, 583. 



Crustaceans, 221. 



Cryptocercus, 419. 



punctulatus, 420. 



Cvathocrinidse, 496. 

 C'yathocrinus, 221, 292. 



cornutus, 235. 



divaricatus, 235. 



Hoveyi, 293. 



incipiens, 296. 



lovven-is, 235. 



latus, 292. 



Lyoni, 298. 



macropleurus, 295. 



malvaceus, 235. 



Cyathocrinus parvibrachiatns, 294. 

 rotutidatus, 235. 



soiidus, 293. 



viminaiis, 299. 



Cycloplioridac, 164. 

 Cyclobtoma Cincinnatienee, 191. 



dentatum, 191. 



lapidarium, 191. 



marginale, 191. 



marginata, 136, 191. 



tricarinatum, 191. 



Cjxlostomacea, 153, 190. 

 Cvclotella Kiitzingiana, 331, 346. 



— pulchella, 348. 



radiata, 349. 



Cylindrella, 149. 



Goldfussi, 151. 



jejuna, 150. 



lactaria, 149, 150. 



Poeyana, 149, 150. 



pontifica, 151. 



Roemeri, 150. 



variegata, 149, 150. 



Cvraatopleura Campylodiscus, 350. 

 Cvmbella, 347. 



— gibba, 350, 351. 



Cyrtophyllus, 444. 



concavus, 444. 



perspicillatus, 444. 



Daihinia, 443. 



brevipes, 443. 



robusta, 442. 



Decticus dorsalis, 454. 



pachymerus, 453. 



Delphinoidea, 124. 

 Denticella, 335. 



trinacria, 343. 



Depastrum, 536, 550. 



cyathiforme, 546, 551. 



stellifrons, 551. 



Deroceras gracile, .32. 

 Devonian fishes, 222. 

 Diapheromera, 423. 

 femorata, 423. 



Sayi, 423. 



Dicera, 153. 

 Dichocrinus, 221, 288. 



liratus, 290. 



ovatus, 235, 290. 



plicatus, 288. 



pocillum, 291. 



scitulus, 289. 



striatus, 235. 



Dicladia, 344. 



capreolus, 339, 346, 352. 



mamillana, 339, 346. 



Dictyocha fibula, 346. 

 Diospyros lancilolia, 507. 

 Diploceraea, 390. 



corniculata, 404. 



Diploneis, 346. 



