1350 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



bisulcata Atrypa, Camarella, Cyclospi- 

 ra, Lingula, Merista, Rhynchonella. 



bitruncata Palseaspis. 



bituberculatus Bathyurus, Lloydia. 



bivertex Leperditia, Ulrichia. 



bivia Leperditia. 



bivittata Coelocaulus, Murchisonia. 



blainvillei Actinoceras, Columnaria. 



blairi Pty choparia . 



bloomfieldensis Sphaerocystites. 



blumenbachii (ia) Calymene, Conocar- 

 dium, Euchasma. 



bolivianos (a, um) Agnostus, Lingula, 

 Orthoceras. 



boliviensis Asaphus, Cryptolithus, Me- 

 galaspis, Trimicleus. 



boltoni Arctinurus, Lichas (Oncholi- 

 chas), Paradoxides, Platynotus, Ptero- 

 lichas. 



bondi Cyrtoceras, Plectoceras. 



borealis (e) Aphetoceras, Ascoceras, 

 Athyris, Athyria headi, Calapoecia, Ca- 

 tazyga headi, Clitambonites, Crypto- 

 zoon, Duncanella, Hebertella, Orthis, 

 Psiloconcha sinuata, Streptelasma, Te- 

 rebratula, Trimerella, Trochoceras. 



borkholmiensis Rhinidictya. 



botryoideum Ccenostoma. 



bovinum Cyrtoceras. 



bowdeni Lophospira, Murchisonia. 



boycii Cyrtoceras, Cyrtactinoceras. 



boydi (i) Loxonema, Murchisonia. 



boylei Eurypterus, Hormotoma, Mur- 

 chisonia, Turritoma, Tylopterus". 



bracMatus Dimerocrinus, Glyptaster, 

 Myelodactylus, Thysanocrinus. 



brachymera Phycograptus. 



brachynota Delthyris. 



brackenbushi Megalaspis. 



bradti Pterinea. 



brainerdi Cameroceras, Cameroceras 

 (Proterocameroceras), Girvanella, Lin- 

 gula, Orthoceras, Strephochetus. 



brasiliensis Bollia lata. 



brauni Holocy stites . 



brazilianus Clidophorus. 



bretonensis Obolus, Palseobolus. 



breva Eurymyella ehaleri. 



breviata Pontocypris mawii. 



brevicaudatus Dalmanites limulurus. 



breviceps Bathyurus, Chasmops, Dalma- 

 nia, Dalmanites, Dolichopterus, Leio- 

 stegium, Lichas, Metopolichaa. 





brevicorne Cyclostomiceras, Cyrtoceras. 



brevicula Dalmanella, Dalmanella ema- 

 cerata. 



brevicurvatum Oncoceras . 



brevimarginatus Cyphaspis, Haploco- 

 nus, Proetus. 



brevior Cuneamya scapha. 



breviplicata Camarella. 



brevirostris Anastrophia, Atrypa, Pen- 

 tamerus, Rhynchonella, Terebratula. 



brevis (e) Matheria, Schmidtella, Strep- 

 telasma, Stricklandia, Stricklandinia, 

 Subulites, Subulites (Polyphemopsis). 



brevispinosa Acidaspis. 



brevispinus Bathyurellus. 



brevispira Gyronema. 



breviuscula Cypricardites, Cyrtodonta. 



briareus (a) Chaetetes, Eridotrypa, Es- 

 charopora, Monotrypella, Monticuli- 

 pora, Monticulipora (Monotrypa), Ptilo- 

 dictya. 



bridgportensis Myelodactylus. 



brisa Pterinea. 



briseis Lingula. 



bristolense Endoceras. 



brittsi Cyathocrinus. 



brocki Hellcotoma. 



brongniartia (i) Conotubularia, Fuco- 

 ides, Ormoceras, Orthoceras. 



brontes Orthoceras. 



brownii Area. 



brownsportensis Diaphorostoma, Platy- 

 ceras, Strophonella eemifasciata. 



bryonoides Graptolites (Didymograp- 

 tus), Graptolithus, Tetragrapsus, Tetra- 

 graptus. 



buchiana Beyrichia. 



buchii Cupellaecrinites . 



bucklandi (i) Calymene, Ceraurus, Or- 

 thoceras. 



buelli (i) Bucania, Bucania (Tremano- 

 tus), Salpingostoma. 



buffaloensis Pterygotus. 



bulbosus (a) Cyphotrypa, Rhizograp- 

 sus, Rhizograptus, Stenopora. 



bulbulus Caryocrinites, Caryocrinus. 



bullifera Astylomanon verrucosum, Eu- 

 rychilina, Palacomanon verrucosum 



bullulatum Cyathophyllum. 



burginensis Bellerophon troosti, Lopho- 

 spira medialis. 



bursa Astylospongia, Palseomanon. 



byrnesanus Corydocephalus, Lichas. 



