1478 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Homotrypa austini Bassler. (Wh.) 

 Homotrypa bassleri Nickles. (A.) 

 Homotrypa communis Bassler. (W.) 

 Homotrypa cyUndrica Bassler. (Wh.) 

 Homotrypa dawsoni (Nicholson). (W.) 

 Homotrypa flabellaris Ulrich. (A., W., L., Wh., E.) 

 Homotrypa flabellaris frondosa Bassler. (A.) 

 Homotrypa flabellatis spinifera Bassler. (Wh.) 

 Homotrypa libana Bassler. (A.) 

 Homotrypa nicklesi Bassler. 

 Homotrypa nodulosa Bassler. (Wh.) 

 Homotrypa ramulosa Bassler. (Wh.) 

 Homotrypa richmondcnsis Bassler. (Wh.) 

 Homotrypa -wortheni (James). (Wh.) 

 Homotrypa wortheni intercellata Bassler. (Wh.) 

 Homotrypa wortheni prominens Bassler. (E.) 

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

 Homotrypella hospitalis (Nicholson). (W., L., 



Wh., E.) 

 Hudsonaster incomptus Meek. 

 Hyoliihes{?) dubius Miller and Faber. 

 Hyolithcs parviusculus Hall. 

 Hyolithes versaillest nsis Miller and Faber. 

 Iocrinus subcrassus Meek and Worthen. (W.) 

 Ischyrodonta decipiens Ulrich. (E.) 

 Ischyrodonta elongata Ulrich. (Wh.) 

 Ischyrodonta misencri Ulrich. (Wh.) 

 Ischyrodonta modioliformis Ulrich. (Wh.) 

 Ischyrodonta ovalis Ulrich. (Wh.) 

 Ischyrodonta truncata Ulrich. (Wh.) 

 Isotelus gigas Dekay. 

 Isotelus mcgistos Locke. 

 Jonesella digitata Ulrich. (A.) 

 Labechia subcylindrica (James). W.) 

 Lepadocystis moorei (Meek). (Wh.) 

 Leperditella glabra (Ulrich). (Wh.) 

 Leperditia cxcigena Miller. (Wh., S.) 

 Leptxna richmondensis Foerste. 

 Leptxna richmondensis precursor Foerste. (A.) 

 Lichenocrinus affinis Miller. (W.) 

 Lichenocrinus tuberculatus Miller. (Wh.) 

 Lingula vanhorni Miller. (W.) 

 Lioclemella subfusiformis (James). (W.) 

 Liospira rugata Ulrich. (A.) 

 Lophospira acuminata Ulrich. (Wh.) 

 Lophospira ampla Ulrich. (Wh?) 

 Lophospira bicincta (Hall). 



Lophospira bowdeni Saflord. (A., W., L., Wh., E.) 

 Lophospira hammelli (Miller). (Wh., S.) 

 Lophospira pcrlamellosa Ulrich. (W.) 

 Lophospira pulchella Ulrich and Scofield. 

 Lophospira tropidophora (Meek). (A., W., L., 



Wh.,E.) 

 Lumbriconcreites austini Foerste. (E.) 

 Lyrodesma major (Ulrich). (W.) 

 Megalograptus welcki Miller. (L.) 

 Mesopalxastcr shaferi (Hall). (W.) 

 Mesopalxastcr wilberanus (Meek and Worthen). 

 Mesotrypa orbiculata Cumings and Galloway. (A. ) 

 Mesotrypa patella (Ulrich). (Wh.) 

 Microccras inomatum Hall. (A., W., L., Wh., E.) 

 Modiolodon declivis Ulrich. (Wh.) 

 Modiolodon subovalis Ulrich. (A., W.) 

 Modiolodon subrcctus Ulrich. (Wh.) 

 Modiolopsis capax Miller. 



Modiolopsis concentrica Hall and Whitfield. (W.) 

 Modiolopsis valida Ulrich. (W.) 



Modiolopsis versaillesensis Miller. (W.) 

 Monticulipora cleavelandi James. (Wh.) 

 Monticulipora epidermoid Ulrich and Scofield. 



(Wh.) 

 Monticulipora Ixvis Ulrich. (Wh.) 

 Monticulipora Ixvis consimilis Ulrich. (Wh.) 

 Monticulipora parasitica Ulrich. (Wh.) 

 Nereidavus varians Grinnell. (A., W., L., Wh.) 

 Nicholsonella peculiaris Cumings and Galloway. 



(A.) 

 Odontopleura onealli (Miller). (W.) 

 (Enonites decipiens Foerste. (E.) 

 Opisthoptera alternata Ulrich. (W.) 

 Opisthoptera casei (Meek and Worthen). (Wh.) 

 Opisthoptera concordensis Foerste. (A.) 

 Opisthoptera eitenuata Ulrich. (W.) 

 Opisthoptera fissicosta (Meek). (W.) 

 Opisthoptera laticostata Ulrich. (W.) 

 Opisthoptera obliqua Ulrich. (Wh.) 

 Orthoccras carleyi Hall and Whitfield. (?W.) 

 Orthoccras duseri Hall and Whitfield. (W.) 

 Orthoccras gorbyi Miller. 

 Orthoceras hallanum Miller. (W.) 

 Orthoccras (Ormoccras?) hilzi Foerste. (Wh., S.) 

 Orthoceras mohri Miller. (A.) 

 Orthodesma canaliculatum Ulrich. 

 Orthodcsma curvatum (Hall and Whitfield). (W.) 

 Orthodesma rectum Hall and Whitfield. (W.) 

 Orthodesma subangulatum Ulrich. (Wh.) 

 Ortonella hainesi (Miller). (Wh.) 

 Oxydiscus magnus (Miller). (Wh?) 

 Pachydictya fenestelliformis (Nicholson). (W., L.) 

 Paleschara beani (James). (W.) 

 Pasceolus camdenensis Foerste. 

 Peronopora decipiens (Roininger). (A., E.) 

 Petigopora offula Ulrich and Bassler. (A.) 

 Petraster speciosus (Miller and D}-er). 

 Phragmolites dycri (Hall). (W.) 

 Platystrophia acutilirata (Conrad). (Wh.) 

 Platystrophia acutilirata prolongate Foerste. (Wh.) 

 Platystrophia acutilirata senex (Cumings). ( Wh.) 

 Platystrophia annieana Foerste. (W.) 

 Platystrophia clarksirillensis Foerste. (W., L.) 

 Platystrophia cypha conradi Foerste. (A.) 

 Platystrophia cypha versaillesensis Foerste. (W.,L.) 

 Platystrophia laticosta (Meek). (W.) 

 Platystrophia moritura (Cumings). (E.) 

 Platystrophia walloivayi Foerste. (A.) 

 Plectambonitcs rugosus clarksvillensis Foerste. ( W.) 

 Plectorthis {Austinclla) scovillei (Miller). (W.) 

 Plcthospira striata Ulrich. (W.) 

 Pnmitia cincinnatiensis (Miller). (A., W.) 

 Primitia lativia Ulrich. (Wh.) 

 Primilia mcdialis Ulrich. (W?) 

 Primitia milleri Ulrich. (W.) 

 Proboscina auloporoides (Nicholson). 

 Proboscina frondosa (Nicholson). (A., W.) 

 Proniopalxastcr bellulus Schuchert. (W.) 

 Promopalxaster exculptus (Miller). (W. or L.) 

 Promopalxaster granulosus (Hall). 

 Promopalxaster magnificus (Miller). (W. or I>.) 

 Promopalxaster spinulosus (Miller and Dyer). ( W.) 

 Promopalxaster wykoffi (Miller and Gurley). 

 Protarxa richmondensis Foerste. (W., L., Wh., E.) 

 Protarxa richmondensis papillata Foerste. (Wh.) 

 Protostigma sigillaroidcs Lesquereux. 

 Psiloconcha elliptica Ulrich. (W.) 



