1362 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



equilatera — Beyrichia, Riberia nuculiti- 



formis. 

 equiradiata — Atrypa, Rhyncbospira . 

 equisetalis — Cladopora. 

 erastusi — Bumastus, Illsenus. 

 erato — Metoptoma, Tryblidium. 

 erectus (a) — Ambonycbia, Clidophorus, 



Clionycbia, Crateripora, Dendrograp- 



tus, Wbitfieldella. 

 eriensis — Eurypterus, Spirifer (Deltby- 



ris). 

 erigone — Eunema, Trochonema (Eu- 



nema). 

 eripliyle — Cyathopbyllum, Omphyma. 

 erraticus (a, um) — Catazyga, Columnaria, 



Dendrocrinus, Ortbis, Orthoceras (Eu- 



Ortboceras), Orthonomsea, Zygospira. 

 erucif orme— Erid opbyllum . 

 eryx — Cbeirnrus, Pseud ospbserexocbus. 

 escanabiee — Eobarpes, Harpes. 

 escasoni— Lingulella, Obolus, Westonia. 

 escharoides — Catenipora. 

 estella — Arcbinacella, Coelocaulus, Me- 

 toptoma, Murcbisonia, Tryblidium. 

 etheridgii — Diplograptus. 

 etna — Euconia, Pleurotomaria. 

 eubule — Metoptoma, Tryblidium. 

 eucharis — Glossograptus , Helicotoma, 



Retiograpsus, Retiograptus. 

 eucheirocrinus — Podolitbus. 

 eudocia — Ortbis. 

 eudora — Spirifer (Eospirifer). 

 eugenia — Liospira, Pleurotomaria. 

 eugium — Cyrtoceras. 



euglyphus (a) — Diplograptus, Diplograp- 

 tus (Glyptograptus), Leptsena, Stro- 



pbomena, Stropbonella. 

 euodus — Didymograpsus, Didymograp- 



tus. 

 euorthis — Ortbis calligramma, Ortbis fla- 



bellites. 

 eurekensis — Illsenurus, Sympbysurus. 

 eurydice — Straparollina, Straparollus. 

 euryone — Cyathophyllum, Ortbis. 

 eva — Lingula, Rbyncbonella. 

 evadne — Dalmanella, Ortbis. 

 evax — Homceospira, Retzia, Rbyncbo- 



epira. 

 everetti — Pacbydictya. 

 exactus — Subulites. 

 excavatus (a) — Ambonychia, Clionycbia, 



Eucalyptocrinus cornutus, Glyceritea 



sulcatus, Lecanocrinus. 



excedrinus — Encrinurus. 



excellens — Modiolopsis, Pbaenopora, Pti- 

 lodictya, Stictoporella. 



excelsa — Holopea. 



excentrica — Crania, Orbicula. 



excrescens — Cyatbospongia. 



excretus — Favosites. 



exculptus — Palaeaster, Promopalseaster. 



exfoliata— Ilebertella, Plectortbis. 



exiguns (a, urn) — Atrypa, Belleropbon, 

 Bucania, Clinoceras, Cyrtoceras, Eri- 

 dotrypa, Heliolites, Heterocrinus, Lin- 

 gulella (Lingulepis), Lyellia, Oncoce- 

 ras, Protocrisina, Protozyga, Rbinidic- 

 tya, Spirifer, Stictoporella. 



exilis (e)— Ccenograptus, Dicellograptus 

 sextans, Dicranograptus furcatus, Hete- 

 rocrinus, Homotrypa, Modiolopsis, 

 Nemagraptus, Obiocrinus, Stenocxinus, 

 Stepbanograptus, Trocbonema. 



eximius (um) — Aracbnopbyllum, Clima- 

 cograptus putillus, Strombodes. 



exornatus (a, um) — Ortboceras, Pleuro- 

 cystites, Pleurocystites filitextus, Pleu- 

 rocystis. 



expansus (a, um)— Alveolites, Antbo- 

 pbyllum, Bathyurellus, Belleropbon, 

 Bucania, Bucanospira, Ceramopora, 

 Cbsetetes, Clioderma, Crateripora lin- 

 eata, Dekayia ulricbi, Deltbyris, Dic- 

 tyonema, Euompbalus, Meristina, 

 Oncoceras, Orbignyella, Pbaenopora, 

 Pter0theca, Ptilodictya, Ptycbopbyl- 

 lum, Salpingostoma, Streptelasma, 

 Streptoplasma, Wbiteavesia. 



explanator — Piloceras. 



explanatus (a, um) — Carinaropsis, Cera- 

 Limopora, Ceramopora (Licbenalia), 

 Liouclema, Metoptoma, Nemagraptus, 

 Phsenopora. 



explicans — Ptilodictya . 



explorator — Ortboceras . 



exponens — Concbidium. 



exporrectus (a) — Anomites, Cyrtia. 



exserta (um) — Stenotbeca, Tryblidium. 



exsul — Alveolites, Callopora, Lioclema. 



extans — Asapbus, Atrypa, Batbyurus, 

 Camarella, Streptelasma (Zapbrentis), 

 Triplecia, Triplesia. 



extensus (um) — Didymograptus, Euca- 

 lyptocrinites, Eucalyptocrinus, Grap- 

 tolitbus, Graptolitbus (MonoprioD), 

 Tarpbyceras. 



