1502 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Amplexus junctux Hall. 111. 



A mpkxus shumardi (Edwards and Huirne). Iowa. 



A mplexus uniformis Hall. 111. 



Arnpyx niagarcnsis Van Ingen. Ark. (St. Clair.) 



Anisocrinus oswcgoensis (Miller and Gurley). 111. 



Arctinurus obvius (Hall). Iowa. 



Ascoceras southwelli Worthen. ni. 



Astylospongiaf? Christiana Meek and Worthen. 111. 



Auloccrium savagei Parks, m. 



Sucania cyclostoma Calvin. Ipwa. 



Bucania perornata Calvin. Iowa. 



Bumastus niagarcnsis (Whitfield). Ark. (St. Clair.) 



Calymene altirostris Van Ingen. -Ark. (St. Clair.) 



Ccratoccphala coalescens Van Ingen. Ark. (St. 

 Clair.) 



CeratoccpJiala dcpauperata Van Ingen. Ark. (St. 

 Clair.) 



Ceratocephala goniata Warder. Ohio. 



Ccratoccphala nodulata Van Ingen. Ark. (St. Clair.) 



Cerionitcs dactyloides (Owen). Iowa. 



Clathrodictyon cystosum Parks. Iowa. 



Clathrodictyon veskulosum Nicholson and Murie. 

 IU. 



Conocardium tegulum Hall. 



Cordylocrinusf dubius Rowley. Mo. (Bainbridge.) 



Corydocephalus depaupcratus. Ark. (St. Clair.) 



Corydocephalus phlyclainoidcs (Green). Ohio; Ark. 

 (St. Clair.) 



Cyathocrinusf ovalis Rowley. Mo. (Bainbridge.) 



Cyathophyllum radicula Rominger. Iowa. 



Cyphaspis arltansanus Van Ingen. (St. Clair.) 



Cyrtograptus ulrichi Ruedemann. Mo. (Bain- 

 bridge.) 



Cyrtorizoccras dardanum (Hall). HI. 



Cystiphorolites minor (Rominger). Iowa. 



Palmanclla elegantula (Dalman). 111., Iowa, etc. 



Dalmanites arkansanus Van Ingen. Ark. (St. Clair.) 



Dalmanites vigilans Hall. Wis.,Ark. (St. Clair.) 



Dawsonoceras annulatum (Sowerby). Iowa, Ohio, 

 etc. 



Deiphonforbesi Barrande. Ark. (St. Clair.) 



Diaphorostoma trigonostoma (Meek). Ohio. 



Dkranopcllis arkansana (Van Ingen). Ark. (St. 

 Clair.) 



Dimorphograptus dccu-ssatus Elles and Wood, Ark. 

 (Blaylock.) 



Discoceras graftonense Meek and Worthen. 111. 



Discoceras marshi (Hall). 111. 



Encrinurm ornatus Hall and Whitfield. Ohio, etc. 



Goniophyllum pyramidale (Hisinger). Iowa. 



Halysites catenularia (Linnaeus). HI., Wis., etc. 



Halt/sites radiatus Whitfield. Iowa. 



Hdicopora latispiralis Claypole. Ohio. 



Heliolites interstinctus (Linnaeus). 111., Iowa, etc. 



Heliolites subtubulatm (McCoy). Ohio, IU., etc. 



Hindia sphxroidalis Duncan. HI., Iowa, etc. 



Holopea grandis Calvin. Iowa. 



Ill&nus daniclsi Miller and Gurley. 111. 



Lccanocrinus hemisphcricus Rowley. Mo. (Bain- 

 bridge.) 



Ly cilia glabra (Owen). Iowa, 111. 



Melocrinus wittcnbergensis Rowley. Mo. 



Monograptus argutus Lapworth. Ark. (Blay- 

 lock.) 



Monograptus distans (Portlock). Ark. (Blay- 

 lock.) 



Monograptus gregarius Lapworth. Ark. (Blay- 

 lock.) 



Odontopleura arkansana Van Ingeu. Ark. (St. 



Clair.) 



Odontopleura ortoni (Foerste). Ark. (St. Clair.) 

 Ortlioccrasfranklincnsc Miller. Ind. 

 Orthoccras loxias Hall. Wis. 

 Orthoceras unionense Worthen. 111. 

 Palseodictyota bella (Hall and Whitfield). Ohio. 

 Pentamcrus oblongus Sowerby. Iowa, Ohio. 

 Pentamcrus oblongus corrugatus Weller and David- 



son. Iowa. 

 Pentamcrus oblongus maguolteta Hall and Clarke. 



Wis., Iowa. 

 Pentamerus oblongus subrectus Hall and Clarke. 



Pentamerus p&rgibbosus Hall and Whitfield. Ohio. 

 Pericchocrinus ornatus (Hall and Whitfield) . Ohio, 



Ind. 



Petalocrinus inferior Bather. Iowa. 

 Petalocrinus(f) major Weller and Davidson. Io\va. 

 Petalocrinus mirabilis Weller and Davidson. Iowa. 

 Phragmoccras byroncnse Worthen. 111. 

 Phragmoceras ellipticum Hall and Whitfield. Ohio. 

 Pisocrinus glabellus Rowley. Mo. (Bainbridge.) 

 Pisocrinus globosus (Ringueberg). Mo. (Bain- 



bridge. ) 



Pisocrinus gorbyi Miller. Mo. (Bainbridge.) 

 Pisocrinus granitlosus Rowley. Mo. (Bain- 



bridge.) 



Plcctambonitcs productus Hall and Clarke. Ohio. 

 Proetus corrugatus Van Ingen. Ark. (St. Clair). 

 Proctus subannulatus Van Ingen. Ark . (St. Clair.) 

 Plycliopliyllum cxpansum (Ovven). Iowa, Wis. 

 Receptaculites oUoensis Hall and Whitfield. Ohio. 

 Retiolites (Gladiograptus) perlatus (Nicholson). 



Ark. (Blaylock.) 



Rhinobolus davidsoni Hall and Clark. Wis. 

 Rhipidomclla hybrida (Sowerby). 111. , Iowa, etc. 

 Romingeria niagarensis (Rominger). Iowa. 

 Schuchertdla subplana (Conrad). Mo., etc. 

 Skcnidiumf nodocostatum Rowley. Mo. (Bain- 



bridge.) 



Sphserexochus romingeri Hall. Ark. (St. Clair.) 

 Staurocephalus murchisoni Barrando. Ark. (St. 



Clair.) 



Straparollus bicarinatus Calvin. Iowa. 

 Straparollus tricarinatus Calvin. Iowa. 

 Streptelasma patula Rominger. Iowa. 

 Streptelasma spongaxis Rominger. Iowa. 

 Streptis grayi (Davidson). Ark. (St. Clair.) 

 Striatopora (Stribalocystitesf) elongatus (Rov.-ley). 



Mo. 

 Stribalocystites missouriensis (Rowley). Mo. 



(Bainbridge). 



Stricklandinia castcllana White. Io\va. 

 Stricklandinia deformis Meek and Worthen. 111. 

 Strombodes gigas (Owen). Iowa, Wis. 

 Strombodes mamillaris (Owen). Iowa, Wis., etc. 

 Trochoccras xncas Hall. Iowa. 

 Troostocrinusf dubius Rowley. Mo. 

 Vermipora niagarensis Rominger. Iowa. 

 Zaphrentis pressula Hall. 111. 

 Zaphrcntis stokcsi Edwards and Haime. Iowa. 



NIAGARAN OF NORTHERN INDIANA. 



AmpMccElia neglecta (McChesney). 

 A nastropfiia intcrnasccns Hall. 

 Anodontopsis wabashensis Kindle and Breger. 

 Ascoceras indianensis Newell. 



