INDEX OF SPECIFIC NAMES. 



1403 



tumidus (a, urn) — Astylospongia, Beyri- 

 ehia, Ctenobolbina, Holocystites, Hy- 

 bocrinus, Leperditella, Leperditia, Me- 

 ristella, Oncoceras, Pasceolug, Remo- 

 pleurides, Stribalocystites. 



tumifrons — Beyrichia. 



tumulosa — Proboscina. 



tunicatus — Calceocrinus, Deltacrinus. 



turbidum — Ortboceras. 



turbinatus (a, um) — Chgetetes, Cyatho- 

 crinus, Cyathophyllum, Eucalyptocri- 

 nus, Holocystites, Huronia, Monotrypa, 

 Monticulipora, Polydilasma, Trochoce- 

 ras, Zaphrentis, Zittelella typicalis. 



turgida — Athyris, Corynotrypa, Holopea, 

 Kloedenella, Leperditia, Pachydictya, 

 Pleurotomaria, Ribeiria, Sinuopea, Sto- 

 ma topora. 



turgidonummulatum — Ortboceras (Acti- 

 noceras). 



turpis — Terebratnla. 



turricula — Murchisonia. 



turritif ormi s — C celocaulus . 



typicalis — Atactoporella, Atactoporella 

 praecipta, Chgenodomus, Climacograp- 

 tus, Cymatonota, Discopbycus, Schiz- 

 ambon, Zittelella. 



typicus (a)— Cliniacograptus, Cyrtoceriua, 

 Cystostylus, Eopteria, Palseacmsea. 



typus (a) — Allocrinus, Ampberistocrinu9, 

 Bollia, Calceocrinus, Camarium, Delta- 

 crinus, Dilobella, Glyptocrinus, Hypti- 

 ocrinus, Lichenaria, Merista, Merocri- 

 nus, Ottawacrinus, Phyllograpsus, 

 Phyllograptus, Phyllograptue folium, 

 Tanaocrinus, Tbamnograptus. 



tyrans — Nautilus, Plectoceras. 



tyronensis — Dermatostroma, Orthoceras. 



tyrrelli (i) — Aparchites, Euomphalopte- 

 rus, Poterioceras. 



uberis — Ortbis, Rhipidomella. 



ulrich(i)ana — Gerasaphes, Isochilina gre- 

 garia. 



ulrichi (i) — AmphicoeUa, Asaphus, Cli- 

 macograptus, Craniella, Cyrtograptu^, 

 Dekayella, Dekayia, Dinorthis, Di- 

 nortbis (Plsesiomys), Elpe, Hemitrypa, 

 Heterotrypa, Loculipora, Macronotella, 

 Monticulipora, Pattersonia, Petrocra- 

 nia, Primitia, Primitiella, Ptychopyge, 

 Rafinesquina, Rhombopteria (Newsom- 

 ella), Seelya (Pletbospira), Trigyra, 

 Triplecia, Urasterella. 



umbellifera — Aulopora, Quenstedtia, Ro- 

 mingeria. 



umbilicata (um) — HeUcotoma, Pleuro- 

 tomaria, Trocbonema. 



umbonata — Athyris, Hindella, Meristella, 

 Plethocardia, Schmidtella, Trematis, 

 Vanuxemia, Whitella. 



umbrosus — Periechocrinus, Saccocrinus. 



undatus (a, um) — Ambonychia, Avicula, 

 Cleionychia, CUonychia, Cryptoceras, 

 Eurystomites, Inacbus, Lituites, Plec- 

 toceras, Pterinea, Trocholites, Whitea- 

 vesia. 



undosus (a, um) — AlveoUtes, Avicula, 

 Endodesma, Trachyum. 



unduavi — Cruziana. 



undulatus (a, um) — Ambonycbia, Beatri- 

 cea, Callopora, Chsetetes, Chonetes, Cli- 

 oderma, Cyathophyllum, Dawsonoce- 

 ras, Dictyostroma, Ecculiomphalus, 

 Eccyliomphalus, Hallopora, Leptodo- 

 mus, Monotrypa, Monticulipora, Ortho- 

 ceras, Pterotheca, Rapbistomina, Stro- 

 phomena. 



undulosa — Stropbomena. 



undulostriatus (a, um) — Cypricardinia, 

 Cyrtodonta, Modiolopsis, Olenus, Orth- 

 oceras. 



unguifcrmis (e) — Conchidium, Gypidula, 

 Platyceras, Stenotheca, Triblidium, 

 Vaflatotheca. 



ungulata — Cypricardites, Cyrtodonta, 

 Vanuxemia. 



unguloidea — Boll ia . 



uniangulatus (a) — Euomphalus, HeUco- 

 toma, Lophospira, Murchisonia, Ophi- 

 leta, Straparollup. 



unicornis — Aparchites, Leperditia, Pri- 

 mitia, Primitiella. 



unicosta — Cliopteria . 



unicostata — Lephena, Platystrophia, Ra- 

 finesquina, Stropbomena. 



unicus (a) — Strombodes, Zaphrentis. 



uniformis (e)— Amplexus, Monticulipora, 

 Peronopora . 



unilamellosus — Prosserella, Reticularia. 



unilargum — Anisophyllum. 



unilateralis — Dendrograptus. 



unionensis — Orthoceras, Platystrophia. 



unionoides — Anodontopsis, Ischyrodonta, 

 Modiolopsis. 



uniplicatus (a) — Gypidula, Pentamerus, 

 Sieberella. 



84243°— Bull. 02— vol 2—15- 



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