1350 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



bisulcata — Atrypa, Camarella, Cyelospi- 

 ra, Lingula, Merista, Rhynchonella. 



bitruncata— Palaeaspis. 



bituberculatus — Bathyurus, Lloydia. 



bivertex — Leperditia, Ulrichia. 



bivia — Leperditia. 



bivittata — Ccelocaulus, Murchisonia. 



blainvillei — Actinoeeras, Columnaria. 



blairi — Ptychoparia. 



bloomfielden'sis — Sphserocystites. 



blumenbachii (ia) — Calymene, Conocar- 

 dium, Euchasma. 



bolivianus (a, urn) — Agnostus, Lingula, 

 Orthoceras. 



boliviensis — Asaphus, Cryptolithus, Me- 

 galaspis, Trinucleus. 



boltoni — Arctinurus, Lichas (Oneholi- 

 chas), Parad oxides, Platynotus, Ptero- 

 lichas. 



bondi — Cyrtoceras, Plectoceras. 



borealis (e) — Aphetoceras, Ascoceras, 

 Athyris, Athyris headi, Calapcecia, Ca- 

 tazyga headi, Clitambonites, Crypto- 

 zoon, Duncanella, Hebertella, Ortbis, 

 Psiloeoncha einuata, Streptelasma, Te- 

 rebratula, Trimerella, Trochoceras. 



b orkholmien si s — Rh in idictya. 



botryoideum — Coenostoma. 



bovinum — Cyrtoceras. 



bowdeni— Lophospira , Murcbison ia . 



boycii — Cyrtoceras, Cyrtactinoceras. 



boydi (i) — Loxonema, Murchisonia. 



boylei — Eurypterus, Hormotoma, Mur- 

 chisonia, Turritoma, Tylopterus. 



brachiatus — Dimerocrinus, Glyptaster, 

 Myelodactylus, Thysanocrinus. 



brachymera — Phycograptus. 



bracbynota — Delthy ris . 



brackenbusbi — Megalaspis. 



bradti — Pterinea. 



brainerdi ■ — Cameroceras, Cameroceras 

 (Proterocameroceras), Girvanella, Lin- 

 gula, Orthoceras, Strephochetus. 



brasiliensis — Bollia lata. 



brauni — Holocystites. 



brazilianus — Clidophorus. 



bretonensis — Obolus, Palgeobolus. 



breva — Eurymyella ehaleri. 



breviata— Pontocypri8 mawii. 



brevicaudatus — Dalmanites limulurus. 



breviceps — Bathyurus, Chasmops, Dalma- 

 nia, Dalmanites, Dolichopterus, Leio- 

 etegium, Lichas, Metopolichas. 



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) — Cha?tetes, Eridotrypa, Es- 

 charopora, Monotrypella, Monticuli- 

 pora, Monticulipora (Monotrypa), Ptilo- 

 dictya. 



bridgportensis — Myelodactylus. 



brisa — Pterinea. 



briseis — Lingula. 



bristolense — Endoceras. 



brittsi — Cyathocrinus. 



brocki — Helicotoma. 



brongniartia (i) — Conotubularia, Fuco- 

 ides, Ormoceras, Orthoceras. 



brontes — Orthoceras. 



brownii — Area. 



brownsportensis — Diaphorostoma, Platy- 

 ceras, Strophonella Bemifasciata. 



bryonoides — Graptolites (Didymograp- 

 tus), Graptolithus, Tetragrapsus, Tetra- 

 graptus. 



buchiana — Beyrichia. 



buchii — Cupellsecrinites. 



bucklandi (i) — Calymene, Ceraurus, Or- 

 thoceras. 



buelli (i) — Bucania, Bucania (Tremano- 

 tus), Salpingostoma. 



buffaloensis — Pterygotus. 



bulbosus (a) — Cyphotrypa, Rhizograp- 

 eus, Rhizograptus, Stenopora. 



bulbulus — Caryocrinites, Caryocrinus. 



bullifera — Astylomanon verrucosum, Eu- 

 rychilina, Pala?omanon verrucosum 



bullulatiim — Cyathophyllum. 



burginensis — Bellerophon troosti, Lopho- 

 spira medialis. 



bursa — Astylospongia, Paloeomanon. 



byrnesanus — Corydocephalus, Lichas. 



