1474 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Oomphoceras cincinnatiense Miller. (C.) 

 Gomphoccras faberi Miller. (C.) 

 Hallopora andrewsi (Nicholson). (B., C.) 

 Hallopora dalei (Milne-Edwards and Haime). (H., 



F.,L.) 



Hallopora ramosa (D'Orbigny). (B., C., A.) 

 Hallopora rugosa (Milne-Edwards and Haime). 



(B.,C.,A.) 



Hallopora subpla.ua (Ulrich). (H., F.) 

 Ildxrtclla (Glyptorthis) crispata (Emmons). (P.) 

 Ilcbcrtclla occidcntalis Hall. 

 Hebertdla occiderttalis sinuata Hall. 

 HcUopliycus stelllforme Miller and Dyer. (F.) 

 Hemicystites ( Cystastcr') granulatus Hall. (F.) 

 Hemicystitcs stellatus Hall. (F.) 

 Heterocrinus juven is Hall. (C . ) 

 Heterocrinus pentagonus Ulrich. (C.) 

 Hetcronemaf contextum Ulrich and Bassler. (C.) 

 Heterotrypafrondosa D'Orbigny. (M.) 

 Heterotrypa inflecta Ulrich. (C.) 

 Heterotrypa lobata (Cumings). (F.) 

 Heterotrypa paupera (Ulrich). (C.) 

 Heterotrypa solitaria Ulrich. (F.) 

 Heterotrypa subfrondosa (Cumings). (F.) 

 Heterotrypa subpulchella (Nicholson). (F.) 

 Hindia gregaria (Miller and Dyer). 

 Homotrypa alta Cumings and Galloway. (H., F.) 

 Homotrypa cincinnatiensis Bassler. (F.)' 

 Homotrypa curvata Ulrich. (F.) 

 Homotrypa dumosa Bassler. (F.) 

 Homotrypa flabellaris spinifera Bassler. (F.) 

 Homotrypa grandis Bassler. (L.) 

 Homotrypa obliqua Ulrich. (F., B., C.) 

 Homotrypa pulchra Bassler. (A.) 

 Homotrypa spinca Cumings and Galloway. (H. 



F.) 



Homotrypella dubia (Cumings and Galloway) . ( B . ) 

 Homotrypella nodosa Ulrich and Bassler. (L.) 

 Hudsonaster incomptus Meek. (C . ) 

 locrinus subcrassus (Meek and Worthen). 

 Ischadites circularis (Emmons). 

 IscJiyrodonta unionoides (Meek). (B.) 

 Isotelus gigas Dekay. 

 Isotelus maximus Locke. 

 Lepidocoleus jamesi (Hall and Whitfleld). (H., F., 



B.,C.,A,L.,P.) 



Leptopoterion mammiferum Ukich. (C.) 

 Leptotrypa cakeola (Miller and Dyer). "(C.) 

 Leptotrypa clavacoidea (James). (C.) 

 Leptotrypa minima Ulrich. (B.) 

 Leptotrypa ornata Ulrich. (C.) 

 Lichcnocrinus dyeri Hall. (C.) 

 Licrophycus flabellum Miller and Dyer. (C.) 

 Lingula cincinnatiensis Hall and Whitfield. (F.) 

 Lophospira abbreviata (Hall). (P.) 

 Lophospira bicincta (Hall). 

 Lophospira bowdeni (Safford). 

 Lophospira tropidophora (Meek). 

 Lumbriconereites dactylodus Hinde. (H.) 

 Lyrodesma grande Ulrich. (B.) 

 Lyrodesma inornatum Ulrich. (F.) 

 Lyrodesma major (Ulrich). (C.) 

 Lyrodesma planum Conrad. (P.) 

 Lyrodesma poststriatum (Emmons). (P.) 

 Mastigograptus gracillimus (Lesquereux). (F.) 

 Mesopalssaster intermedium Schuchert. 

 Mcsopalxaster shafferi (Hall). (F.) 



Microccras inornatum Hall. (H., F., B., C., A.) 

 Microccras minutissimum Ulrich. (F.) 

 Modiolodon obtusus Ulrich. (B.) 

 Modiolodon postriatus Foerste. (P.) 

 Modiolodon truncatus (Hall). (F., B., C., P.) 

 Modiolopsis faberi Miller. (F.) 

 Modiolopsis longa Miller and Faber. (F.) 

 Modiolopsis? ( Colpomya?) milleri Ulrich. (F.) 

 Modiolopsis modiolaris (Conrad). (F., P.) 

 Modiolopsis postplicata, Foerste. (P.) 

 Modiolopsis sinuata (Emmons). (P.) 

 Modiolopsis subparallela Ulrich. (F.) 

 Modiolopsis? terminalis Hall. 

 Monticulipora cincinnatiensis (James). (C ) 

 Monticulipora mammulata (D'Orbigny). (F.) 

 Monticulipora molesta Nicholson. (B., L.) 

 Nereidavus varians Grinnell. 

 Nicholsonella vaupeli (Ukich). (B.) 

 Oenonites? carinatus Hinde. (P.) 

 Oenonites cuneatus Hinde. (P.) 

 Oenonites curvidcns Hinde. (P.) 

 Oenonites inxgualis Hinde. (P.) 

 Oenonites rostratus Hinde. (P.) 

 Oenonites serratus Hinde. (P.) 

 Ohiocrinus compactus (Meek). (C.) 

 Ohiocrinus constrictus (Hall). (C.) 

 Ohiocrinus laxus (Hall) (F.) 

 Opisthoptera ampla Ulrich. (F.) 

 Opisthoptera notabilis Ulrich. (F.) 

 Orthis(f) pumila Ulrich. (C.) 

 Orthoceras byrnesi Miller. (F.) 

 Orthoceras cincinnatiense Miller. (F.) 

 Orthoceras dycri Miller. (C.) 

 Orthoceras harperi Miller. (C.) 

 Orthoceras lamellosum Hall. (P.) 

 Orthoceras meeki Miller. (F.) 

 Orthoceras turbidum Hall and Whitfield. (F.) 

 Orthodesma approximatum Foerste. (P.) 

 Orthodesma contractum (Hall). 

 Orthodesma nasutum (Conrad). (P.) 

 Orthodesma parvum Ulrich. (C.) 

 Orthodesma prolatum Foerste. (P.) 

 Orthodesma pulaskiense Foerste. (P.) 

 Orthonotclla faberi Miller. (F.) 

 Orthorhynchula linneyi (James). (L., F.) 

 Pasceolus claudei Miller. (B.) 

 Pasceolus darwini Miller. (B.) 

 Patter sonia diffidlis Miller. (C.) 

 Pattersonia tuberosa (Beecher). (B.) 

 Pattersonia ulrichi Rauff. (C.) 

 Peronopora compressa (Ulrich). (B., C., A.) 

 Peronopora decipicns (Rominger). (B., C., A.) 

 Peronopora vera Ulrich. (H., F.) 

 Petigopora asperula Ulrich. (B.) 

 Petigopora gregaria Ulrich. (F., B., C.) 

 Petigopora petechialis (Nicholson). (F., B., C., A 

 Petrasterf americanus (D'Orbigny). (F.) 

 Pholidops cincinnatiensis Hall. (H., F.) 

 Pholidops subtruncata Hall. (P.) 

 Phragmolites bcllulus (Ulrich). (F.) 

 Phragmolites elegans (Miller). (C.) 

 Physetomya acuminata Ulrich. (F.) 

 Pianodema bellula (Meek). (F.) 

 Placcntula marginata Ulrich. (C.) 

 Platystrophia acuminata (James). (A.) 

 Platystrophia crassa (James). (F., B., C.) 

 Platystrophia cypha (James). (B.) 





