1356 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



cookana — Walcottia. 



cooperi — Syringopora. 



coppingeri — Gypidula, Lomatoceras con- 

 volutum, Monograptua convolutus, 

 Pentamenis. 



cora — Crotalocrinus, Cyathocrinus. 



corallifera (urn) — Atrypa, Dictyonella, 

 Diphyphyllum, Eichwaldia, Orthoce- 

 ras, Stromatopora. 



corallinensis — Spirifer (Delthyris), Spir- 

 rifer modestus. 



corax — Apatokephalus, Dikelocephalus . 



corbis — Ichthyocrinus. 



cordai — Bathyurus, Hystricunis. 



cordatum — Cyrtoceras. 



cordieri — Actinoceras, Asaphus. 



cordiformis — Cypricardites, Cyrtodonta, 

 Palseocardia, Plethocardia. 



corif ormis — Cuneamya . 



corinna— Orthis . 



corintheum — Cyathopbyllum. 



corinthia — Rhynchonella. 



cornetti — Stephanocrinus. 



cornicula (um) — Calceola, Cyrtoceras, Pe- 

 traia, Piloceras, Streptelasma, Strepto- 

 plasma, Zaphrentis. 



cornigerus — liken us. 



cornucopiae — Bollia. 



cornulum — Cyrtoceras. 



cornuoryx — Orthoceras, Orygoceras. 



cornutaforme — Metoptoma, Triblidium. 



cornutus (a, um) — Anomalocystis, Ano- 

 malocystites, Arabellites, Artbroclema, 

 Callicrinus, Chonetes, Conolichas, Cte- 

 nobolbina ciliata, Eucalyptocrinus, 

 Glossograptus, Licbas, Platyceras (Di- 

 aphorostoma), Stropbomena. 



cornuum — Orthoceras . 



coronatus (a) — Diagoniella, Eunicites, 

 Protospongia. 



corporiculus — Platycrinus. 



corpulenta — Dalmanella, Orthis. 



corrallinensis — Spirifer crispus. 



corriganensis — Gypidula (Sieberella) co- 

 eymanensis. 



corroboratus — Merocrinus. 



corrugatus (a, um) — Avicula, Bellerophon 

 bilobatus, Callicrinus, Concbicolites, 

 Comulites, Crania, Creseis, Cryptodis- 

 cus, Cupellacrinites, Cupellacrinus, 

 Cyphotrypa, Cyrtotheca, Dermatos- 

 troma, Favosites, Labechia, Leptsena, 

 Marsipocrinus, Modiolopsis, Monotrypa, 

 Nuculites, Orbicula, Pentamerus ob- 

 longus, Proetus, Pterinea, Sinuitea 



corrugatus — continued . 



cancellata, Stropheodonta, Stropho- 

 mena, Styliola. 



c ortex — Leptotry pa . 



corticans — Chsetetes, Spatiopora. 



corticosa — Chasmatopora, Phylloporina, 

 Phyllopora, Subretepora. 



corticula — Pachydictya fen estellif ormis 



corycceus — Asaphus, Proetus. 



corydon — Cyrtoceras. 



coryphaeus — Asaphus. 



costalis — Kokenia, Kokenospira, Orthis. 



costatus (a, um) — Ambonychia, Amphi- 

 coelia (Leptodomus), Anomalodonta, 

 Bucania, Camarella, Crania, Cyrtolites, 

 Dyeria, Orthis, Platystrophia, Sarci- 

 nula, Strophonella, Sphyradoceras, 

 Trochoceras. 



costulata (um) — Ascoceras, Ascoceras 

 (Billingsites), Ilionia. 



covingtonensis — Cylindrocoelia, Isotelus, 

 Lingula, Protoscolex. 



coxii— Calceola. 



crassibasalis (e) — Dictyonema, Pachyoc- 

 rinus. 



crassicauda — Illosnus. 



crassicaulis — Nemagraptus gracilis, Ste- 

 phanograptus. 



crassicosta — Pentamerus ny&ius. 



crassimarginatus (a) — Calymene, Proe- 

 tus, Schmidtella. 



crassimuralis — Monotrypella, Monticuli- 

 pora, Rhombotrypa. 



crassinoda — Drepanella. 



crassiplica — Conchidium. 



crassiplicata — Cycloccelia, Encuclodema, 

 Plectorthis. 



crassipuncta — Trematis. 



crassiradiatum — Conchidium. 



crassiramus — Inocaulis diffusus. 



crassirostra — Atrypa. 



crassisiphonatum — Endoceras, Nartheco- 

 ceras. 



crassitestus — Diplograptus. 



crassolaris (e) — Bucania, Tremanotus. 



crassoradius — Conchidium, Pentamerus. 



crassus (a, um) — Atactoporella, Bucania, 

 Buthotrephis gracilis, Cactograptus, 

 Cladopora, Ccenites, Ctenobolbina, Eu- 

 calyptocrinus, Glossina, Goniophora, 

 Heterocrinus, Homotrypella hospitabls, 

 Iocrinus, Jonesella, Limaria, Lingula, 

 Maclurea, Maclurites, Nematophycus, 

 J^ematophyton, Orthis, Pachydictya, 



