422 



PALEONTOLOGICAL INDEX 



Oxoplecia, 267. 



calhouni, 267. 



Pachydictya cf. P. robusta, 136. 

 Palaeophycus, 141, 192. 



tubulare, 100, 174, 192. 

 Parastrophia, 269. 



hemiplicata, 143, 178, 269. 

 Paterula, 231. 

 Pelecypoda, 277. 

 Pentameracea, 267. 

 Phacoplda3, 36O. 

 Phacops callicephalus, 360. 

 Pholidops, 236. 



cincinnatiensis, 169, 176, 236. 

 Phyllocarida, 372. 

 Phylloporina reticulata, 226. 



sublaxa, 227. 

 Phylloporinlda?, 226. 

 Phytopsis cellulosum, 202. 

 Pianodema, 249. 



cf. P. subsequata, 142, 149. 



subsequata, 140, 176, 249. 

 Plsesiomys platys, 247. 

 Platymetopus trentonensis, 354. 

 Platystrophia, 266. 



Plectambonites, 136, 140, 142, 143, 253, 

 255, 257. 



cf. P. plsum, 142. 



cf. P. sericeus, 149. 



plsum, 140, 143, 176, 253. 



rugosus, 169, 176, 255. 

 Plectorthis, 241. 



aff. P. Whitfleldi, 142. 



plicatella, 169, 170, 176, 241, 242. 

 Pleurocystidae, 141. 

 Pleurotomaria, 289, 29O, 291. 



canadensis, 104, 178, 289. 



florldensis, 178, 291. 



gregarla, 105, 178, 29O. 



hunterensis, 302, 303. 



laurentina, 308. 



mlcula, 296. 

 Pleurotomariidse, 289. 

 Pliomerops, 359. 



salteri, 104, 182, 359. 

 Plumulites jamesi, 371. 

 Polygyrata, 303. 

 Porambonitidse, /69. 

 Porifera, 195. 

 Porocrinus, 142. 

 Prasopora, 215. 



contigua, 142, 174, 216. 



insularis, 140, 174, 215. 

 Primitia, 137. 



gregaria, 363. 



seelyi, 363. 

 Prion odesmacea, 277. 



Proetidse, 352. 

 Proetus, 352. 



latimarginatus, 164, 166, 182, 352. 

 Proparia, 356. 

 Protorhyncha, 137. 

 Protowarthia cancellata, 313. 



granistriata, 314. 

 Protozyga exigua, 273. 

 Protremata, 237. 

 Pterinea, 284. 



(Caritodens) demissa, 170, 178, 284. 



demissa, 284. 



modiolaris, 286. 

 Pteropoda, 318. 

 Pterygometopus, 36O. 



callicephalus, 137, 182, 36O. 



cf. P. callicephalus, 142. 



cf. P. schmidti, 140. 

 Ptilodlctya arctipora, 221. 



cleavelandi, 225. 

 Ptilodictyonidse, 223. 



Rafinesquina, 140, 261. 



alternate, 170, 176, 258, 264, 265. 



cf. R. incrassata, 142. 



champlainensis, 136, 176, 261. 



minnesotensis, 140, 176, 261, 264. 



minnesotensis inqunssa, 140, 176, 

 264. 



squamula, 169, 170, 176, 264. 

 Raphanocrinus, 139. 

 Raphlophoridae, 336. 

 Raphistoma, 3O7. 



columbianum, 100, 180, 3O7. 



obtusum, 100, 180, 3O7. 

 Raphistomidffi, 3O7. 

 Raphlstomina, 3O8. 



laurentina, 104, 180, 308. 

 Receptaculites, 194. 



occidentalis, 139, 174, 194. 

 Reteocrinidae, 2O9. 

 Reteocrinus, 117, 174, 2O9. 

 Rhabdaria, 195. 



fragilis, 102, 174, 195. 

 Rhinidictya, 229. 



cf. R. neglecta, 143. 



fidelis, 136. 



neglecta, 140, 176, 229. 

 Rhinidictyonidae, 229. 

 Rhipidomellidse, 247. 

 Rhynchonellacea, 27O. 

 Rhynchonellidse, 27O. 

 Ribeiria, 362. 



nuculitiformis, 100, 182, 362. 

 Ruedemannia lirata, 295. 



