1388 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



pleuriexcavatum — Astylomanon . 



pleuristriata — Stropheodonta corrugata, 

 Strophomena corrugata. 



plicatellus (a) — Atrypa, Leptaena, Orthis, 

 Plectambonites, Plectorthis, Rhyncho- 

 nella, Spirifer. 



plicatulum (a) — Anoplotheca, Ocelospira, 

 Cyathophyllum, Leptocoelia, Rhyn- 

 chonella. 



plicatus (a, m) — Anomalodonta, Atrypa, 

 Cyathophyllum, Delthyris, Eurysto- 

 mites, Ischyrinia, Orthia, Rhyncho- 

 nella, Spirifer (Delthyris) modestus, 

 Strophomena (Hemipronites), Techno- 

 phorus. 



plicifera — Atrypa, Dalmanella, Leptaena, 

 Rhynchonella, Strophomena. 



pluma — HalHa. 



plumaria — P tilodictya. 



plumosus (in) — Actinocrinus, Chloephy- 

 cus, Clematocrinus, Cordylocrinus, 

 Glyptocrinus, Platycrinus, Ptilograp- 

 sus, Ptilograptus. 



plumula — Chaetocladus. 



plumulosus — Inocaulis. 



pluto — Lituites. 



poctai — Ptilograptus. 



pogonipensis — Lingulella, Modiolopsis, 

 Obolus, Orthis, Pianodema. 



politus (a) — Camarella, Prionodus. 



polydactylus — Cupulocrinus, Dendrocri- 

 nus, Homocrinus, Poteriocrinites, Po- 

 teriocrinus, 



polydorus — Ceraurinus, Ceraurus, Chei- 

 rurus. 



polygyratus— Euomphalus, Polygyrata. 



polymorphum— Dictyonema. 



polynema — Protospongia. 



polystomella — Constellaria, Monticuli- 

 pora, Stellipora. 



polythecatus — Dicellograptus intortus . 



polyxo — Botryocrinus, Cyathocrinus, He- 

 terocrinus (Iocrinus), Homocrinus, 



pompilius — Ceraurinus, Ceraurus, Cerau- 

 rus (Crotalocephalus), Cheirurus. 



pomponius — Nautilus. 



ponderosa — Anolotichia, Cypricardites, 

 Cyrtodonta, Escharopora, Maclurea, 

 Maclurites, Nicholsonella, Platystro- 

 phia, Ptilodictya, Rafinesquina alter- 

 nata. - 



ponepunctus — Agnostus trisectus. 



porcata — Dinorthis, Dinorthis (Plsesio- 

 mys), Orthis. 



porcia — Clitambonites. 



porrecta — Dalmanella, Dalmanella testu- 



dinaria, Orthis. 

 porteri — Orthoceras. 

 portlocki — Huronia, Orthoceras. 

 postelegan tula— Dalmanella. 

 posterus — Climacograptus caudatus. 

 posthuma — Parabolinella. 

 posticus (a) — Dendrocrinus, Modiolopsis, 



Poteriocrinites, Poteriocrinus. 

 postlatum — Endodesma. 

 postplicatum— Modiolopsis. 

 postremus — Glossograptus quadrimucro- 



natus, Goniograptus thureaui. 

 postriatus (a, um) — Area, Cardiomorpha, 



Lyrodesma, Modiolodon, Nucula, Nu- 



culites. 

 postumius (a) — Cyrtoceras, Pleurotoma- 



ria. 

 poterium — Astylomanon cratera. 

 powersi — Archinacella, Gomphoceras, 



Triblidium. 

 praecedens— Ceratiocaris (Limnocaris), 



Favosites helderbergiae. 

 praecipta (um) — Cyclonema (Gyronema), 



Homotrypa curvata, Whitella. 

 prse cur sa — B yssony chia . 

 precursor — Camarotcechia (Stegerhyn- 



chus) whitii, Rhynchonella (Steger- 



hynchus) whitii, Sigmagraptus. 

 praeformosa — Rhynchospira. 

 praegracilis — Dendrograptus. 

 praemarginalis — Atrypa. 

 praematurus (m) — Mselonoceras, Marsipio- 



crinus, Marsupiocrinus, Phragmoceras, 



Platycrinus. 

 prasmorsa — Astylospongia, Astylospongia 



pusilla, Caryospongia, Siphonia. 

 praenuntia— Dekayella, Dekayella naevi- 



gera, Klcedenia, Meristella. 

 praeplicata — Stropheodonta. 

 praevium — Liospira, Raphistoma. 

 praevolutus — Clidophorus. 

 pravum — Heliophyllum. 

 precius — Aulopora, Aulopora compressus. 

 precosis — Leptaena, Plectambonites. 

 precursor — Leptaena richmondensis, Lo- 



culipora ambigua, Platystrophia colbi- 



ensis, Strophomena vetusta. 

 prematurum— Tarphyceras. 

 prenuntius — Promopalaeaster. 

 preoblata — Rhipidomella. 

 pressula — Zaphrentis. 

 pretensa — Scenella. 



