PALEONTOLOGICAL 



419 



gracile, 100, 180, 329. 



klrbyi, 328. 

 Cyrtocerina, 331. 



mercurius, 105, 331. 

 Cyrtochoanites, 328. 

 Cyrtodonta, 122, 136, 137. 

 Cyrtodontidae, 281. 

 Cyrtolites (Microceras) Inornatus, 312. 



trentonensis, 306. 

 Cyrtolitidae, 311. 

 Cyrolitlna, 311. 



nltidula, 165, 180, 311. 

 Cystoidea, 2O7. 

 Cytherina fabulites. 364. 



Dalmanella, 94, 242. 



edsoni, 165, 166, 176, 243. 



electra, 104, 105, 176, 245. 



multisecta, 169, 176, 244. 



(Orthis) wemplei, 246. 



subaequata, 249. 



testudinaria, 140, 142, 164, 165, 166, 

 176, 242. 



testudinaria var. multisecta, 244. 



wemplei, 99, 100, 176, 246. 

 Dendrocrinidse, 211. 

 Dianulites, 217. 



petropolitana, 217. 



petropolitanus, 140, 174, 217. 

 Diastoporidae, 212. 

 Dikelocephalidse, 351. 

 Dinorthis, 247. 



cf. D. subquadrata, 143. 



pectinella, 140, 176, 248. 



(Plzesiomys) platys, 128, 176, 247. 



platys, 124, 247. 

 Diplograptidse, 2O2. 

 Diplograptus, 2O5. 



foliaceus mut vespertinus, 205. 



pristis, 205. 



vespertinus, 169, 174, 2O5. 

 Diplotrypa, 141, 219. 



appalachia, 141, 142, 149, 174, 219. 

 Dlscinidae, 234. 



Dolichometopus, 74, 89, 182, 338. 

 Drepanella, 367. 



macra, 137, 182, 367. 



Eccyliomphalus, 305. 



multiseptarius, 100, 180, 3O5. 



trentonensis, 165, 166, 180, 3O6. 



triangulus, oo2. 

 Eccyliopterus, 94, 3O1. 



disjunctus, 105, 180, 3O1. 



triangulus, 102, 180, 3O2. 

 Echinodermata, 207. 



Echinosphaerites, 139, 144, 152, 2O7. 



aurantium americanum, 139, 143. 



174, 207. 



Echinus aurantium, 207. 

 Endoceratidae, 321. 

 Eoharpes, 332. 



ottawaensis, 164, 166, 180, 332. 

 Eoorthis, 237. 



cf. desmopleura, 82, 89, 176. 



desmopleura, 237. 



remnicha, 237. 



wichitaensis, 237. 

 Escharopora, 223. ' 



cf. ramosa, 140. 



confluens, 136, 174, 223. 

 Eucrustacea, 362. 

 Eunema cf. E. salterl, 137. 

 Euomphalidae, 297. 



Favosites, 201. 

 Fucoldes linearis, 276. 



Gastropoda, 289. 

 Girvanella, 122. 

 Gomphoceras cassinense, 331. 

 Gonioceras, 328. 



chazlense, 136, 180, 328. 

 Goniurus, 34O. 



caudatus, 104, 182, 34O. 

 Graptodictya, 136. 

 Graptolite germs, 206. 

 Graptolithus bicornls, 204. 



putillus, 202. 

 Graptolitoidea, 2O2. 

 Graptoloidea, 2O2. 



H 



Hallopora, 222. 



onealli sigillaroides, 169, 174, 222, 

 Halloporidse, 222. 

 Harpedidse, 332. 

 Harpina ottawaensis, 332. 

 Hebertella, 238. 



bellarugosa, 136, 140, 176, 239. 



borealis, 124, 128, 136, 176, 238. 



vulgarls, 124, 128, 135, 136, 176. 



239. 

 Helicotoma, 122, 3OO. 



planulata, 300. 



planulatoides, 137, 150, 178, 3OO. 

 301. 



verticalis, 137, 178, 3O1. 

 Helopora, 227. 



divaricata, 136, 176, 227. 



spinlformis, 139, 176, 228. 



