INDEX OF SPECIFIC NAMES. 



1349 



bellulus (a, um) Conradella, Cryptoli- 

 thus, Cyclocystoides, Cyclonema, Dal- 

 manella, Dalmanella (Bathyccelia), 

 Goniophora, Helopora, Mesopalseaster, 

 Orthis, Petraster, Phragmolites, Piano- 

 dema, Promopalaeaster, Trinucleus, 

 Trochonema. 



beloitensis (e) Actinoceras, Eccyliopte- 

 rus, Orthoceras, Scenella, Subulites, 

 Trochonema. 



belti Acrotreta, Linnarssonia, Obolella. 



beltrami (i) Lingula, Orthoceras. 



benedicti Allocrinus, Cyathocrinus, Ha- 

 brocrinus, Holocystites, Orthis, Piso- 

 crinus, Ptychophyllum, Saccocrinus, 

 Subulites. 



benjamin! Isotelus, Monotrypa. 



bernensis Camarella. 



beta Asaphus, Isotelus. 



beudanti Actinoceras. 



beverlyensis Palseophycus. 



bialveata Delthyris. 



biangulatum Litoceras, Pleurotomaria, 

 Trochonema. 



bicarinatus (a) Lingula, Straparollus. 



bicincta Lophospira, Murchisonia, Pleu- 

 rotomaria. 



bickmoreanus (um) Lituites, Lituites 

 (Ophidioceras), Plectoceras. 



bicla vata Arthraria . 



bieonstrictus 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- 

 cularia, Spirifer. 



bicurvatus (a) Cyrtospira, Dicellograp- 

 tus divaricatus. 



bidens Atrypa, Rhynchonella. 



bidentatus Atrypa, Calceocrinus, Rhyn- 

 chonella, Terebratula. 



bidorsatus (a) Bellerophon, Bucania, 

 Ctenodonta, Tetranota. 



bifidus Didymograptus, Graptolithus, 

 Graptolithus (Monoprion). 



biforatus (a) Orthis, Platystrophia, Te- 



rebratulites. 

 bif urea Conulari?. 



bifurcatus (a) Arthropora, Callicrinus, 

 Cladopora, Eschara, Pachydictya, Stic- 

 topora, Syringopora. 



bigeneris Drepanella. 



bigsbyi Actinoceras, Agelacr mites, 

 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, Pseudosphaerexochus vulcanus, 

 Salterella, Steliella, Strophomena, 

 Triarthrus, Trimerella, Zitteloceras. 



billingsianus Castocrinus. 



biloba Anomia, Bilobites, Callicrinus, 

 Cryptodiscus, Fucoides, Orthis, Ptery- 

 gotus, Spirifer. 



bilobatus (a, um) Bellerophon, Cruzi- 

 ana, Cyrtolites, Fucoides, Rusophycus. 



biloculare Conchidium. 



bimucronatus Ceraurus, Diplograptus, 

 Hallograptus, Lasiograptus. 



bipartitus (a) Donacicrinites, Erisocri- 

 nus, Leptsena, Stropheodonta, Strophe- 

 odonta (Leptostrophia), Strophomena. 



bip enni s Boliviana . 



biplicata Centronella. 



bipunctatus (a) Didymograpsus, Escha- 

 ra, Ptilodictya. 



bisecta Acrotreta, Agnostus. 



bisinuatus Pentamerus, Pentamerus ob- 

 longus. 



bispinosus (a) Ceraurus, Ctenobolbina. 



bispiralis Lophospira, Pleurotomaria. 



