INDEX OF SPECIFIC NAMES. 



1349 



bellulus (a, urn) — Conradella, Cryptoli- 

 thus, Cyclocystoides, Cyclonema, Dal- 

 manella, Dalmanclla (Bathycoelia), 

 Goniophora, Ilelopora, Mesopalseaster, 

 Orthis, Petraster, Phragniolites, Piano- 

 dema, Proruopaloeaster, Trinucleus, 

 Trochonema. 



beloitensis (e) — Actinoceras, Eccyliopte- 

 rus, Orthoceras, Scenella, Subulites, 

 Trochonema. 



belti — Acrotreta, Linnarssonia, Obolella. 



beltrami (i) — Lingula, Orthoceras. 



benedicti — Allocrinus, Cyathocrinus, Ila- 

 brocrinus, Holocystites, Orthis, Piso- 

 crinus, Ptychophyllum, Saccocrinus, 

 Subulites. 



benjamini — Isotelus, Monotrypa. 



bernensis — Camarella . 



beta— Asaphus, Isotelus. 



beudanti — Actinoceras. 



beverlyensis — Palseophyeus. 



bialveata— Delthyris. 



biangulatum — Litoceras, Pleurotomaria, 

 Trochonema. 



bicarinatus (a) — Lingula, Straparollus. 



bicincta — Lophospira, Murchisonia, Pleu- 

 rotomaria. 



bickmoreanus (um) — Lituites, Lituites 

 (Ophidioceras), Plectoceras. 



biclavata — Arthraria. 



biconstrictus — Receptaculites. 



biconvexa — Atrypa. 



bicornis — Amphilichas, Beyrichia, Cli- 

 macograptus, Climacograptus caudatus, 

 Dalmania, Dalmanites, Dicranella, Dip- 

 lograpsus, Diplograptus, Fenestella, 

 Graptolithus, Lichas (Hoplolichas), 

 Lichas (Platymetopus). 



bicostatus (a) — Cliopteria, Orthis, Reti- 

 culata, Spirifer. 



bicurvatus (a) — Cyrtospira, Dicellograp- 

 tUB divaricatus. 



bidens — Atrypa, Rhynchonella. 



bidentatus — Atrypa, Calceocrinus, Rhyn- 

 chonella, Terebratula. 



bidorsatus (a) — Bellerophon, Bucania, 

 Ctenodonta, Tetranota. 



bifidus — Didymograptus, Graptolithus, 

 Graptolithus (Monoprion). 



bi/oratus (a) — Orthis, Platystrophia, Te- 

 rebratulites. 



bifurca — Conulariv 



bifurcatus (a) — Arthropora, Callicrinus, 

 Cladopora, Eschara, Pachydictya, Stic- 

 topora, Syringopora. 



bigeneris — Drepanella. 



bigsbyi — Actinoceras, Agelacrinites, 

 Cryptolithus, Cyclaster, Edrioaster, 

 Edriocystis, Graptolithus, Graptolithus 

 (Monoprion), Huronia, Maclurea, Mac- 

 lurites, Orthoceras, Tetragraptus, Za- 

 phrentis. 



bilamellatum — Anisophyllum. 



bilateralis — Caninia, Drepanella, Gonio- 

 trypa, Scofieldia, Zaphrentis. 



bilex — Cyclonema, Turbo. 



bilineatus (a, um) — Conularia, Bellero- 

 phon, Orthoceras, Spyroceras. 



bilix — Cyclonema, Pleurotomaria, Turbo. 



billingsana — Centronella, Lingulella, 

 Murchisonia, Stricklandinia, Whit- 

 fieldella. 



billingsi (i)— Agelacrinites, Agelacrinus, 

 Aparchites, Archinacella, Arthroclema, 

 Bumastus, Cleiocrinus, Cyrtoceras, Cyr- 

 todonta, Diphyphyllum, Eurychilina, 

 Glyptocrinus, Hemicystites, Leperditia , 

 Lophospira, Metoptoma, Monticulipora, 

 Nieszkowskia, Nyctopora, Orbignyella, 

 Ottawacrinus, Periglyptocrinus, Pri- 

 mitia, Pseudospha9rexochus vulcanus, 

 Salterella, Steliella, Strophomena, 

 Triarthru3, Trimerella, Zitteloceras. 



billingsianus — Castocrinus. 



biloba — Anomia, Bilobites, Callicrinus, 

 Cryptodiscus, Fucoides, Orthis, Ptery- 

 gotus, Spirifer. 



bilobatus (a, um) — Bellerophon, Cruzi- 

 ana, Cyrtohtes, Fucoides, Rusophycus. 



biloculare — Conchid ium. 



bimucronatus — Ceraurus, Diplograptus, 

 Hallograptus, Lasiograptus. 



bipartitus (a) — Donacicrinites, Erisocri- 

 nus, Leptosna, Stropheodonta, Strophe- 

 odonta (Leptostrophia), Strophomena. 



bipennis — Boliviana. 



biplicata— Centronella. 



bipunctatus (a) — Didymograpsue, Escha- 

 ra, Ptilodictya. 



biseeta — Acrotreta, Agnostus. 



bisinuatus — Pentamerus, Pentamerus ob- 

 longus. 



bispinosus (a) — Ceraurus, Ctenobolbina. 



bispiralis — Lophospira, Pleurotomaria. 



