1478 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Homotrypa austini Bassler. (Wh.) 

 Homotrypa bassleri Nickles. (A.) 

 Homotrypa communis Bassler. (W.) 

 Homotrypa cylindrica Bassler. (Wh.) 

 Homotrypa dawsoni (Nicholson). (W.) 

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

 Homotrypa flabellaris frondosa Bassler. ( A. ) 

 Homotrypa flabellaris spinifera Bassler. (Wh.) 

 Homotrypa libana Bassler. (A.) 

 Homotrypa nicklesi Bassler. . 

 Homotrypa nodulosa Bassler. (Wh.) 

 Homotrypa ramulosa Bassler. (Wh.) 

 Homotrypa richmondensis 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. 

 IIyolithes(?) dubius Miller and Faber. 

 Hyolithes parviusculus Hall. 

 Hyolithes versaillesemis Miller and Faber. 

 locrinus subcrassus Meek and Worthen. (W.) 

 Ischyrodonta dedpiens Ulrich. (E.) 

 Ischyrodonta elongata Ulrich. (Wh.) 

 Ischyrodonta miseneri Ulrich. (Wh.) 

 Ischyrodonta modioliformis Ulrich. (Wh.) 

 Ischyrodonta ovalis Ulrich. (Wh.) 

 Ischyrodonta truncata Ulrich. (Wh.) 

 Isotelus gigas Dekay. 

 Isotelus megistos Locke. 

 Jonesella digitata Ulrich. (A.) 

 Labechia subcylindrica (James). W.) 

 Lepadocystis moorei (Meek). (Wh.) 

 Leperditella glabra (Ulrich). (Wh.) 

 Leperditia cxcigena Miller. (Wh., S.) 

 Leptsena richmondensis Foerste. 

 Lept&na 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 bidncta (Hall). 



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

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

 Lophospira perlamellosa Ulrich. (W.) 

 Lophospira pulchella Ulrich and Scofield. 

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



Wh., E.) 



Lumbriconereites austini Foerste. (E.) 

 Lyrodesma major (Ulrich). (W.) 

 Megalograptus welchi Miller. (L.) 

 Mesopalseaster shafttri (Hall). (W.) 

 Mesopalseaster wilberanus (Meek and Worthen). 

 Mesotrypa orbiculata Cumings and Galloway. ( A. ) 

 Mesotrypa patella (Ulrich). (Wh.) 

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

 Modiolodon declivis Ulrich. (Wh.) 

 Modiolodon subovalis Ulrich. (A., W.) 

 Modiolodon subrectus Ulrich. (Wh.) 

 Modiolopsis capax Miller. 



Modiolopsis concentrica Hall and Whitfleld. (W.) 

 Modiolopsis valida Ulrich. (W.) 



Modiolopsis versaillescnsis Miller. (W.) 

 Monticulipora ckavelandi James. (Wh.) 

 Monticulipora epidermata Ulrich and Scofield. 



(Wh.) 



Monticulipora Isevis Ulrich. (Wh.) 

 Monticulipora Isevis consimilis Ulrich. (Wh.) 

 Monticulipora parasitica Ulrich. (Wh.) 

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

 Nicholsonella peculiaris Cumings and Galloway. 



(A.) 



Odontopleura onealli (Miller). (W.) 

 CEnonites dedpiens Foerste. (E.) 

 Opisthoptera alternata Ulrich. (W.) 

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

 Opisthoptera concordensis Foerste. (A.) 

 Opisthoptera extenuata Ulrich. (W.) 

 Opisthoptera fissicosta (Meek). (W.) 

 Opisthoptera laticostata Ulrich. (W.) 

 Opisthoptera obliqua Ulrich. (Wh.) 

 Orthoceras carleyi Hall and Whitfield. (?W.) 

 Orthoceras duseri Hall and Whitfield. (W.) 

 Orthoceras gorbyi Miller. 

 Orthoceras hallanum Miller. (W.) 

 Orthoceras (Ormoceras?) hitzi Foerste. (Wh., S.) 

 Orthoceras mohri Miller. (A.) 

 Orthodcsma canaliculatum Ulrich. 

 Orthodesma 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 dedpiens (Rominger). (A., E.) 

 Petigopora offula Ulrich and Bassler. (A.) 

 Petraster spedosus (Miller and Dyer). 

 Phragmolites dyeri (Hall). (W.) 

 Platystrophia acutilirata (Conrad). (Wh.) 

 Platystrophia acutilirata prolongata Foerste. (Wh.) 

 Platystrophia acutilirata senex (Cumings). (Wh.) 

 Platystrophia annieana Foerste. (W.) 

 Platystrophia clarksvillensis Foerste. (W., L.) 

 Platystrophia cypha conradi Foerste. (A.) 

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

 Platystrophia laticosta (Meek). (W.) 

 Platystrophia moritura (Cumings). (E.) 

 Platystrophia wallotvayi Foerste. (A.) 

 Plectambonites rugosus clarksvillensis Foerste. (W.) 

 Plectorthis (Austinella) scovilld (Miller). (W.) 

 Plethospira striata Ulrich. (W.) 

 Primitia dndnnatiensis (Miller). (A., W.) 

 Primitia lativia Ulrich. (Wh.) 

 Primitia medialis Ulrich. (W?) 

 Primitia milleri Ulrich. (W.) 

 Probosdna auloporoides (Nicholson). 

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

 Promopalseaster bellulus Schuchert. (W.) 

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

 Promopal&aster granulosus (Hall). 

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

 Promopalseastcr spinulosus (Miller and Dyer). ( W. 

 Promopalxaster wykofli (Miller and Gurley). 

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

 Protarxa richmondensis papillata Foerste. (Wh.) 

 Protostigma sigillaroides Lesquereux. 

 Psiloconcha elliptica Ulrich. (W.) 



