INDEX OF SPECIFIC NAMES. 



1395 



semele — Plethospira, Pleurotomaria. 

 semicarinata (urn) — Archinacella, Cyclo- 



nema, Gyronema. 

 semicostata — Ampyx, Ampyx (Loncho- 



domas). 

 semifasciata — Strophomena (Strophodon- 



ta), Strophonella. 

 semilunata — Bollia. 

 seminulum — Halliella. 

 semiovalis — Orthis pectinella, Stropho- 

 mena. 

 semipilaris — Cyphotrypa, Leptotrypa. 

 semiplanata (um) — Jovellania, Orthoce- 



ras, Tripteroceras. 

 semiplicata - — Atrypa, Cainarotcechia, 



Rhynchonella. 

 semiradiatus — Actinocrinus (Saccocri- 



nus), Clidophorus, Macrostylocrinus, 



Periechocrinus, Saccocrinus. 

 semistriata (um) — Cymatonota, Ortho-. 



desma. 

 senaria — Calymene, Calymene bluinen- 



bachii. 

 senecta — Modiolopsis, Orthis (Schizopho- 



ria), Schizophoria. 

 senex — Platyceras, Platystrophia acutili- 



rata, Porcellia. 

 senilis — Rhinidictya mutabilis. 

 sentum — Eridophyllum . 

 separatus (a) — Homotrypa, Strombodes. 

 septatus (a) — Amplexus, Strophomena. 

 septembrachiatus — Agelaerinites, Agelac- 



rinus. 

 septemnotatus — Protichnites. 

 septentrionalis — Ambonyehia, Rectieu- 



laria, Uncinulus. 

 septoris — Cyrtoceras, Gomphoceras, Sep- 



tameroceras. 

 septosa — Amplexopora, Atactopora, Mon- 



ticulipora. 

 sequens — Ophiletina sublaxa. 

 seriata — Cladopora, Favosites. 

 seriatopora — Alveolites, 

 sericeus (a) — Leptsena, Plectambonites, 



Strophomena, Triehospongia. 

 serpens — Aulopora. 

 serpularis — Cornulites. 

 serra — Fucoides. 

 serratulus — Didymograpsus, Didymo- 



graptus, Graptolithus, Graptolithus 



(Monograptus), Graptolithus (Mono- 



prion). 

 serra tus — (Enonites. 

 serrulata — Lophospira, Murchisonia. 



servile — Orthoceras, Tripteroceras, Trip- 



toceras. 

 sesostris — Dicellocephalus, Dikelocepha- 



lus, Ptychaspis. 

 sessilis — Stigmatella. 

 setaceus — Glossograptus. 

 setif era— Crania . 

 setigera — Crania, Eotrophonia. 

 severnensis — Tyrellia. 

 sevieri — Batostoma. 

 sexcarinata — Tetranota. 

 sextans — Dicellograptus, Dieranograptus, 



Diplograptus, Didymograpsus, Didy- 



mograptus, Graptolithus. 

 sextocatenatus — Halysites. 

 sha(e)fleri — Arthropora,Arthroporacleve- 



landi, Glyptocrinus, Mesopalaester, Pa- 



Iseaster, Ptilodictya, Pyenocrinus, Stic- 



topora. 

 shaleri — Brachyprion, Eurymyella, Eu- 



rymyella breva, Stropheodonta. 

 shawangunk — Hughmilleria. 

 shawi — Porocrinus. 

 shelbiensis — Bellerophon . 

 shepardi — Heliolites. 

 sheppardi — Spirifer. 

 sherzeri — Stylodictyon. 

 shriveri — Thecia. 

 shumardi — Amplexus, Camarocystitea, 



Cyathophyllum, Cyrtoceras, Geisono- 



ceras, Orthoceras, Zaphrentis. 

 sidenbladhi — Agnostus. 

 sieboldi — Orthoceras. 

 sigaretoides — Pleurotomaria. 

 sigilla — Mytilarca. 

 sigillarioides — Callopora, Chaetetes, Hal- 



lopora onealli, Protostigma. 

 sigillaroidea — Callopora. 

 sigillaroides — Callopora, Protospongia. 

 sigillata — BejTichia, Prim Ltia. 

 sigmoidea — Cypricardites, Cyrtodonta, 



Whitella. 

 siliqua — Cytheropsis, Macrocypris. 

 siliquaria— Dawsonia, Lockeia. 

 sillimanensis — Cyrtodont a . 

 sillimani — Myrianites. 

 siluriana — Crania, Cyathophycus, Diplo- 



etenopora, Escharopora, Fistulipora, 



Gorgonia, Strophomena, WTiitella. 

 siluriceps — Dolichopterus. 

 siluricus — Platycrinus, Pollicipes. 

 siluriense — Ascodictyon. 

 similior — Pentamerus, Spirifer, Spirifer 



(Martin ia). 



