;5- 



NEW YORK STATE MUSEUM 



Chonetes arcuatus, 240. 



billingsi, 45, 85, 209-10, 238, 248. 



explanation of plate, 334-35. 

 canadensis, 37, 39, 40, 45, 54, 65, 66, 

 69, 70, 83, 94, 191, 205-6, 207, 208, 248. 

 explanation of plate, 342-43. 

 coniplanatus, 210. 

 dawsoni, 210, 211, 240. 

 helderbergiae, 211. 

 hudsonicus, 208, 238-40, 242. 

 explanation of plate, 342. 

 metatype gaspensis, 85, 240, 248. 

 explanation of plate, 342. 

 iowensis, 185. 

 jervisensis, 211. 

 laticosta, 209. 



melonicus, 41, 45, 83, 205, 206-7, 208, 

 210, 240, 248. 

 explanation of plate, 344. 

 montrealensis, 211. 

 mucronatus, 209. 

 revei'sa, 211. 

 sarcinulatus, 242. 

 Chonostrophia complanata, 45, 65, 85, 

 210-11, 240, 241, 248. 

 explanation of plate, 344. 

 dawsoni, 85, 240-41, 248. 



explanation of plate, 344-45. 

 helderbergiae, 241. 

 jervisensis, 211. 

 montrealensis, 91, 211. 

 Cladopora, 83, 87, 88. 

 Clarke, J. M., cited, 135, 166, 180, 182, 183, 



186, 198, 212, 226. 

 Clarksville, 129. 

 Cleodictya, 223. 

 Climacograptus, 72. 

 Clintonella, 88. 

 Coelidium, 88. 



egregium, 44, 152-53, 245. 



explanation of plate, 287. 

 hebe, 44, 153, 245. 



explanation of plate, 287. 



Coelospira, 70. 



concava, 46, 175, 247. 



explanation of plate, 310. 

 Coeymans limestone, 7, 108, no, 120, 121, 



250. 

 Columbia county, 170. 

 Columbus, O., 228. 

 Conglomerate, red, 59. 

 Conocardium cuneus, 44, 162-63, 246. 

 explanation of plate, 298. 

 cf. inceptum, explanation of plate, 29S. 

 Conolichas, 137. 

 Conrad, cited, 173. 

 Conularia, 33, 38, 67. 

 sp., 26, 27. 



cf. desiderata, 43, 65, 144, 244. 

 explanation of plate, 274. 

 vciy. tuzoi, 65, 144, 244. 

 explanation of plate, 275. 

 lata, 33, 34, 35, 40, 244. 



explanation of plate, 274. 

 mut., 43, 105 144-45. 

 penouili, 43, 144, 244. 



explanation of plate, 274. 

 sowerbyi, 27. 

 Corals, 46, 65, 215-19, 249. 

 Cordaites angustifolia, 79. 

 Cordania becraftensis, 43, 136, 244. 

 explanation of plate, 271. 

 cyclurus, 34, 35, 104, 244. 

 gasepiou, 38, 43, 114, 136, 244. 



explanation of plate, 270. 

 hudsonica, 136. 

 Corner of the Beach, 17, 73, 95. 

 Cornulites cingulatus, 43, 117, 243. 



explanation of plate, 274. 

 Coronura, 126, 131, 132. 



See also Dalmanites. 

 Corycephalus regalis, see - Dalmanites 



(Corycephalus) regalis. 

 Coulee, 70. 

 Cove, Cape, 56. 

 Crania bella, 116, 347. 



