1480 BULLETIN" 92, UNITED STATES NATIONAL MUSEUM. 



Ctenobolbina emaciata (Ukich). 



Ctenodonta calvini Ukich. 



Ctenodonta fecunda (Hall). 



Ctenodonta simulatrix Ulrich. 



Cybeloides iowensis Slocom.* 



Cycloceras perroti (Clarke). 



Cyrtoceras whitneyi Hall. 



Cyrtodonta grandis luculenta (Sardeson). 



Cyrtolites conradi Hall. 



Cyrtolites disjunctus Ulrich and Scofield. 



Dalmanella corpulenta (Sardeson). 



Dalmanella futilis (Sardeson). 



Dalmanella ignota (Sardeson). 



DalmaneUa macrior (Sardeson). 



Dalmanella porrecta (Sardeson). 



Dendrocrinus angustatus (Meek and Worthen). 



Dendrocrinus oswegoensis Meek and Worthen. 



Dicranopora fragilis (BUlings). 



Dinorthis proavita (Winchell and Schuchert). 



Diplograptus peosta Hall. 



Encrinurus cristatus Clarke. 



Encrinurus pcrnodosus Slocom. 



Endoceras bristolense Miller. 



Endoceras egani Miller. 



Eurydictya sterlingensis Ulrich. 



Fcnestella granulosa Whitfield. 



Halysites gracilis Hall. 



Hormotoma gracilis multivolvis Ulrich and Scofield. 



Homotrypella rustica Ulrich. 



Hyolithcs parviusculus (Hall). 



locrinus crassus (Meek and Worthen). 



Isotelus iowensis (Owen). 



Leptsena unicostata (Meek and Worthen). 



Leptobolus occidcntalis Hall. 



Lingula bcltrami Winchell and Schuchert. 



Lingula (Palxoglossa) deflecta ( Winchell and Schu- 



chert). 



Lingula philomela Billings. 

 Lingulasma schucherti Ulrich. 

 Lingulops whitfieldi Hall. 

 Liockmella annulifera (Whitfleld). 

 Lioclemella fusiformis (Whitfield). 

 Lioclemella nitida (Ukich). 

 Liockmella solidissima (Whitfield). 

 Lophospira acuminata Ulrich and Scofield. 

 Lopliospira quadrisulcata Ulrich and Scofield. 

 Meckospira subconica Ukich and Scofield. 

 Megalaspis bcckeri Slocom. 

 Modiolopsis excellens Ukich. 

 Monotrypa? nodosa Ulrich. 

 Nileus vigilans (Meek and Worthen). 

 Onchometopus susx (Whitfield). 

 OrbicuMdea lamcllosa (Hall). 

 Orthoceras sociale Hall. 

 PlatystropJiia acutilirata (Conrad). 

 Plectambonites precosis (Sardeson). 

 Plectambonites recedens (Sardeson). 

 Plectambonites saxeus (Sardeson). 

 PlectortJiis (Austinella) whitfieldi (N. II. Winchell). 

 Pkthotpira semele (Hall). 

 Pkurotomaria (? Lophospira') depaupcrata Hall. 

 Porocrinus crassus Meek and Worthen. 

 Primitia dorsicornis (Ukich). 

 Primitia gibbcra Ulrich. 

 Primitia imprcssa Ukich. 

 Primitia tumidula Ukich. 

 Ptcrygometopus fredricki Slocom. 

 Pterymetopus larrabeei Slocom. 



Rafincsquina kingi (Whitfield). 



Rhynchotrema neenah (Whitfield). 



Saffordia siilcodorsata (Ulrich). 



Saffordia ventralis Ulrich. 



Salpingostoma imbricatum Ulrich and Scofleld. 



Schizotreta minutula Winchell and Schuchert. 



Schizotreta pelopea (Billings). 



Sinuitcs concinna (Ulrich and Scofield). 



Spatiopora iowensis Ulrich. 



Sph&rocoryphe maquoketensis Slocom. 



Strophomena acuta (Winchell and Schuchert). 



S)rophomena cardinalis (Whitfield). 



Strophomena fluctuosa occidentalis Foerste. 



Strophomena ncglccta (James). 



Strophomena planodorsata Winchell and Schuchert. 



Strophomena wisconsincnsis Whitfield. 



Tcntaculites oswegoensis Meek and Worthen. 



Thaleops ovata Conrad. 



Trematis(?) pustulosa Hall. 



Tremaloporaf? granulata Whitfield. 



Triplecia ulrichi Winchell and Schuchert. 



Whitella obliqua Ulrich. 



Whitella quadrangularis (Whitfield). 



IVhitella sterlingensis (Meek and Worthen). 



RICHMOND (FEKNVALE) OF ILLINOIS, TENNESSEE, 

 MISSOURI, ARKANSAS, AND OKLAHOMA. 



Anolotichia ponderosa Ulrich. 



Arthroclema angular e Ulrich. 



Constellaria parva Ulrich. 



Constellaria polystomella Nicholson. 



Corynotrypa turgida (Ulrich). 



Crepipora hemispherica Ulrich. 



Cyphotrypa wilmingtonensis Ulrich and Bassler. 



Dalmanella tersa (Sardeson). 



Dekayella singularis (Ulrich). 



Dinorthis subquadrata (Hall). 



Diplotrypa? dubia Ulrich. 



Eurydktya monlifera Ulrich. 



Favositella epidermata (Ulrich). 



Helopora imbricata Ulrich. 



Hemiphragma imperfectum (Ulrich). 



Heterotrypa affinis (Ulrich). 



Homotrypa gelasinosa Ulrich. 



Homotrypa splendens Bassler. 



Homotrypella contexta Ulrich. 



Lingulasma schucherti Ulrich. 



Lingulops cliftonensis Foerste. 



Lioclema wilmingtonense Ulrich. 



Nicholsonella peculiaris Cumings and Galloway. 



Orbignyella lamellosa (Ulrich). 



Pachydictyafencstelliformis corticula Ulrich. 



Pachydictya? firma Ulrich. 



Pachydktya gigantea Ulrich. 



Pachydictya? splendens Ulrich. 



Parastrophia divcrgcns Hall and Clarke. 



Phxnopora wilmingtonensis Ulrich. 



PlatystropJiia, acutilirata (Conrad). 



Plcctorthis (Austinella) kankakensis (McChesney). 



Protocrisina exigua Ulrich. 



Ptilodictya magnifica Miller. 



Ptilotrypa obliquata Ulrich. 



Rhombotrypa crassimuralis (Ulrich). , 



Rhombotrypa quadrata (Rominger). 



Rhynchotrema manniense Foerste. 



Rhynchotrema perlamellosum (Whitfield). 



Sinuites cancellata (Hall). 



Strophomena planodorsata Winchel) and Schuchert. 



