1500 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Illsenus transvcr salts Weller. 



Kionoceras cancellatum (Hail). 



Lampterocrinusf dubius Weller. 



Lampterocrinus inflatus (Hall). 



Lamptcrocrinus robustus Weller. 



Lampterocrinusf subglobosus Weller. 



Lecanocrinus pisiformis (Roenicr). 



Lecanocrinus waukoma (Hall). 



Leptxna rhomboidalis (Wilckons). 



Lindstromiaf columellata (Hall). 



Lindstromia wisconsinensis (Whitfield). 



Lophospira conradi (Hall). 



Loxonema leda Hall. 



Lyriocrinus mclissa (Hall). 



Lyriocrinus sculptilis Hall. 



Lysocystites nodosus (Hall). 



Macrostylocrinus obconicus Weller. 



Macrostylocrinus semiradiatus (Hall). 



Macrostylocrinus striatus Hall. 



Macrostylocrinus subglobosus Weller. 



Marsipocrinus chicagoensis (Weller). 



Matheria recta (Hall). 



Melocrinus obpyramidalis (Winchell and Marcy). 



Mcristina maria (Hall). 



Mcristina trisinuata (McChesney). 



Metopolichas pugnai (Winchell and Marcy). 



Modiolopsis dictxus Hall. 



Monomorclla kingi Hall and Clarke. 



Mourlonia worthenana (Miller). 



Myelodactylus bridgcportensis Miller. 



Mytilarca acutirostra (Hall). 



Nautilus?? cancellatus McChesney. 



Nautilus?? capax (Hall). 



Odontopleura illinoisensis Weller. 



Oncoceras orcas (Hall). 



Orthis flabellites spania Hall and Clarke. 



Orthis(?) glypta HaU and Clarke. 



Orthoccras alienum Hall. 



Orthoceras cameolare McChesney. 



Orthoceras crebristriatum Meek and Worthen. 



Orthoceras jolietense Meek and Worthen. 



Orthocems niagarense Hall. 



Orthoceras rectum Worthen. 



Orthoceras strixlineatum McChesney. 



Orthoceras subbaculum Meek and Worthen. 



Orthoceras wauwotosense Whitfield. 



Orthotropia dolomitica Hall and Clarke. 



Palxocardia cordiformis Hall. 



Parastrophia greenci Hall and Clarke. 



Parastrophia latiplicata Hall and Clarke. 



Parastrophia multiplicata Hall and Clarke. 



Pentamerus bisiniatus (McChesney). 



Pentamerus oblongus Sowerby. 



Pentamerus pergibbosus Hall and Whitfield. 



Pcriechocrinus egani (Miller). 



Pcriechocrinus inflex (Winchell and Marcy). 



Pcriechocrinus marcouanus (Winchell and Marcy). 



Pcriechocrinus necis (Winchell and Marcy). 



Pcriechocrinus urniformis (Miller). 



Pcriechocrinus whitfieldi (Hall). 



Phacops handwerki Weller. 



Phanerotrema occidens (Hall). 



Phragmoceras hoyi Whitfield. 



Phragmoccras hoyi comprcssum Whitfield. 



Phraymoceras nestor Hall. 



Pisocrinus gemmiformis Miller. 



Pisocrinus quinquelobus Bather. 



Platyceras senex (Winchell and Marcy). 



Platycrinus augusta Slooum. 



Platycrinus? dubius Weller. 



Plcctambonites transversalis Dalman. 



Plcurotomaria axion Hall. 



Plcurotomaria casei Meek and Worthen. 



Pleurotomaria cyclonemoides Meek and Worthen. 



Plcurotomaria gonopleura Winchell and Marcy. 



Pleurotomaria hoyi Hall. 



Plcurotomariaf idia Hall. 



Pleurotomaria sigaretoidcs Winchell and Marcy. 



Prcetus? handwerki Weller. 



Protokionoceras crebesccns Hall. 



Protokionoceras medullarc (Hall). 



Protophragmoceras hercules Winchell and Marcy. 



Pterinea brisa Hall. 



Pterinea cyrtodontoidea Winchell and Marcy. 



Pterinea strixcosta (McChesney). 



Pterinea volans Winchell and Marcy. 



Ptychophyllum floriforrne Hall. 



Ptychophyllum stokesi Edwards and Haime. 



Pycnosaccus americanus Weller. 



Raphistomaf? niagarense Whitfield. 



Reccptaculites hemisphericus (Hall). 



Receptaculites tessellatus (Winchell and Marcy). 



Rhipidomclla hybrida (Sowerby). 



Rhombopteria (Newsomella) revoluta (Winchell and 



Marcy). 



Rhynchotreta cuneata americana Hall. 

 Septameroceras septore (Hall). 

 Schuchcrtella subplana (Conrad). 

 Siphonocrinus armosus (McChesney). 

 Siphonocrinus pentagonus Wachsmuth and 



Springer. 



Sphxrexochus romingeri Hall. 

 Spirifcr (Eospirifer) eudora (Hall). 

 Spirifcr (Eospirifcr) gibbosus (Hall). 

 Spirifer (Eospirifer) nobilis (Barrande). 

 Spirifcr (Eospirifer) radiatus (Sowerby). 

 Spirifcrf similar (Winchell and Marcy). 

 Stephanocrinus gemmiformis Hall. 

 Stephanocrinus obconicus Slocum. 

 Stephanocrinus osgoodensis Miller. 

 Stephanocrinus skiffi Slocum. 

 Straparollus mopsus Hall. 

 Staurocephalus obsoletus Weller. 

 Streptclasmaf extans Hall. 

 Streptelasmaf limitare Hall. 

 Streptomytilus aphsca (Hall). 

 Strombodes pentagonus Goldfuss. 

 Stropheodonta maera (Winchell and Marcy. 

 Stropheodonta profunda (Conrad). 

 Strophonella semifasciata (Hall). 

 Strophonella striata (Hall). 

 Subulites brevis Winchell and Marcy. 

 Subulites gracilis Miller. 

 Syringopora compacta Billings. 

 Syringopora dalmani Billings. 

 Syringopora retiformis Billings. 

 Syringopora verticillata Goldfuss. 

 Thalcops pterocephalus (Whitfield;. 

 Tremanotus alpheus (Hall). 

 Trcmanotus chicagoensis (McChesney). 

 Tremanotus crassolaris (McChesney). 

 T'fnanotus pervolutus (McChesney). 

 Triplccia niagarensis Hall and Clarke. 

 Trochoceras costatum (Hall). 



