1358 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



cyclopyge Agnostus, Lejopyge. 



cyclostomus (a) Bucania, Pleurotoma- 

 ria, Strophostylus. 



cyclus Orthis. 



cylindracea Amplexopora. 



cylindricus (a, um) Actinostroma tenui- 

 filatum, Agraulos, Arionellus, Athyris, 

 Atrypa, Beatricea undulata, Bythocy- 

 pris, Bythocypris (Cytherellina), Ca- 

 ryocystites, Clathrodictyon cystosum, 

 Cymatonota, Cytherina, Dendrocrinus, 

 Holocystis, Holocystites, Homocrinus, 

 Homotrypa, Isochilina, Lapworthura, 

 Leperditia, Merista, Meristella (Meri- 

 etina), Orthodesma, Palseocoma, Penta- 

 merus oblongus, Ptychaspis, Taeniaster, 

 Taeniura, Thalamocrinus, Whitfieldella. 



cylix Astylomanon cratera. 



cymbula Carinaropsis, Orthodesma, 

 Phragmostoma. 



cypha Or this, Platystrophia, Platystro- 

 pjiia lynx. 



cyrtodontoidea Pterinea. 



cystata Dekayella, Dekayia frondosa. 



cystosa (um) Clathrodictyon, Stroma- 

 topora. 



dactioloide s Lunul ites . 



dactylioloides Lunulites 



dactylodus Lumbriconereites. 



dactyl(i)oides Cerionites, Cyclocrinus, 

 Cyrtoceras, Pasceolus 



dactylus Lyriocrinus, Melocrinus, Mar- 

 supiocrinites, Rhodocrinus (Lyriocri- 

 nus). 



dalei (ii) Callopora, Chsetetes, Hallopora, 

 Monticulipora, Monticulipora ramosa. 



dalli Trimerella. 



dalmani (i) Syringopora. 



danaanum Clisiophyllum. 



danse Dalmania, Dalmanites. 



danai Aeidaspia . 



danbyi Avicula, Palaeopecten. 



danielsi Illsenus. 



danvillensis Saccospongia. 



daphne Fusispira, Lingula, Straparolli- 

 na, Straparollus, Subulites. 



dardanus (um) Cyrtoceras, Cyrtor(h)i- 

 zoceras. 



darwini (i) Bathyurus, Cyclocrinus, 

 Kionoceras, Orthoceras, Pasceolus. 



davidsoni Orthis, Orthis calligramma, 

 Rhinobolus, Stricklandinia. 



davisi Lingula, Lingulella. 



dawsoni Dendrograptus, Homalonotus, 

 Homotrypa, Monticulipora, Monticuli- 

 pora (Heterotrypa), Palaeocystites, Pa- 

 Iseosaccus, Phylloporina, Subretepora. 



daytonensis (e) Actinoceras, Cyatho- 

 phyllum celator, Hebertella, Illaenua, 

 Orthis, Orthoceras, Strophonella, Za- 

 phrentis celator. 



debilis Glossograptus ciliatus, Syringo- 

 pora, Trematopora. 



decadactylus Glyptocrtnus, Heterocri- 

 nus. 



decemplicatus (a) Delthyrin, Spirifer, 

 Spirifera, Rhynchonella. 



decipiens Batostoma, Chsetetes, Dicrano- 

 peltis, Ischyrodonta, Leptsena, Leptella- 

 Lichas, Liospira, Lyellia, CEnonites, 

 Peronopora, Pyrenomoeus, Raphistoma, 

 Vanuxemia. 



deckerensis Edmondia, Kloedenia man- 

 liensis, Orthothetes, Rhynchonella, 

 Schuchertella, Stenochisma. 



declinata Favosites. 



declivis Agnostus acadicus, Bellero- 

 phon, Helicotoma, Modiolodon, Rafi- 

 nesquina, Strophomena. 



decorus (a, um) Beyrichia, Cyclonema, 

 Emmelezoe, Eucalyptocrinus, Hypan- 

 thocrinites, Hypanthocrinus. 



decrescens Orthoceras. 



ilecursa Lophospira . 



decurta Murchisonia . 



decussatus (um) Conchidium, Dimor- 

 phograptus, Pentamerus. 



deflecta (um) Atrypa, Dinorthia (Pise- 

 Biomys), Glossina, Leptaena, Linguja, 

 Orthis, Paleeoglossa, Plaesiomys, Strep- 

 torhynchus, Strophomena, Zygospira. 



deformata Archinacella, Crania, Orbi- 

 cula. 



deformis Discina, Metoptoma, Orthis, 

 Orthothetes, Schuchertella, Stephano- 

 crintis, Stricklandinia. 



defrancii Conotubularia, Orthoceras, Or- 

 thoceratites. 



deiopeia Clathrospira, Pleurotomaria. 



dekayi Eurypterus. 



delafieldi Amphidesma. 



delatatus Bellerophon . 



deleta Archinacella, Carinopsis. 



delicatulus (a, um) Archaeocrinus, By- 

 thopora, Callithamnopsis, Chsetetes, 

 Corynotrypa, Dictyonema, Hippothoa, 



