1484 BULLETIN 02, UNITED STATES NATIONAL MUSEUM. 



Schuchertdla propinqua (Meek and Worthen). 

 Straparollus pumilis Savage. 

 Stropheodonta (Brachyprion) latisculptilis (Savage). 

 Stropheodonta (Brachyprion) stropheodontoides 



(Savage). 



WhUfidddla(f) billingsana (Meek and Worthen). 

 Whitfidddla ovoides Savage. 

 Whitfidddlaf speciosa Savage. 

 Zaphrentis amUgua Savage. 

 Zaphrentis subregularis Savage. 



UPPER MEDINAN (CHANNAHON) OF ILLINOIS. 



CaUonema pristina Savage. 

 Cyphaspis intermedia Weller. 

 Dawsonoceras tenuilineatum Savage. 

 Diaphorostoma illinoisensis Savage. 

 Leperditia illinoisensis Savage. 

 Lingulops illinoisensis Savage. 

 Metopolichas ferrisi Weller. 

 Pholidops subelliptica Savage. 

 Proctus channahonensis Weller. 

 Pterinea elegans Savage. 

 Rhynchotreta intermedia Savage. 

 Rhynchotreta lepida Savage. 

 Schuchertdla curvistriata Savage. 

 Whitfielddla acuminata Savage. 

 Whitfidddla ovoides Savage. 

 Zaphrentis ambigua Savage. 

 Zaphrentis subregularis Savage. 



UPPER MEDINAN (BRASSFIELD) OF KENTUCKY, OHIO, 

 TENNESSEE, MISSOURI, ILLINOIS, ARKANSAS, AND 

 OKLAHOMA. 



Acervularia dintonensis Nicholson. 

 Acidaspis brevispinosa Foerste. 

 Actinoccras daytonense (Foerste). 

 Actinoceras latonummulatum (Foerste). 

 Actinoceras turgidonummulatum (Foerste). 

 Actinoceras youngi (Foerste). 

 Aspidopora parmula (Foerste). 

 Aspidopora parmula fenestdliformis Foerste. 

 Atrypa laticorrugata Foerste. 

 Atrypa marginalis Dalman. 

 Aulopora precius compressus Foerste. 

 Bucania exigua Foerste. 

 Bucania fiscellostriata Foerste. 

 Bucania opertus (Foerste). 

 Bumastus niagarensis (Whitfield). 



Calymene niagarensis Hall. 



Calymcne vogdesi Foerste. 



Camarotachia(f) acinus convexa (Foerste). 



Camarolachia (Stegerhynchus) neglccta (Hall). 



Camarotcechia (Stegerhynchus) neglecta cliftonensis 

 Foerste. 



Camarotcechia (Stegerhynchus) whitei prsecursor 

 (Foerste). 



Ceramoporaf expansa (James). 



Chasmatopora angulata (Hall). 



Clathropora frondosa dintonensis (Hall and Whit- 

 field). 



Clidochirus americanus Springer. 



Clidophorus ferrugineum (Foerste). 



Coleolus dintonensis Foerste. 



Conularia bilineata Foersto. 



Conularia nagiarensis Hall. 



Cornulites distans Hall. 



Corynotrypa dongata (Vine). 



Craniaf dubia Foerste. 



Ctenodonta elliptica (Hall). 



Ctenodonta minima (Foerste). 



Ctenodonta ohioensis Bassler. 



Cuncamya caswdli (Foerste). 



Cyathophyllum facetus Foerste. 



Cydoceras amycus (Hall). 



Cydoceras inceptum (Foerste). 



Cydoceras inceptum accderatum (Foerste). 



Cydoceras novacarlislense (Foerste). 



Cydora alia Foerste. 



Cyclospira(?) sparsiplica Foerste. 



Cyphaspis clintoni Foerste. 



Cypricardinia undulostriata (Hall). 



Cyrtoceras clintonense Foerste. 



Cyrtoceras (Glyptoceras) catoncnse (Claypole). 



Cyrtoceras (Glyptoceras) subcompressum Beecher. 



Cyrtodontaf fcrruffinea (Hall and Whitfield). 



Cyrtolites youngi Foerste. 



Dalmanella elegantula (Dalman). 



Dalmanella elegantula parva (Foerste). 



Dalmanitcs werthneri Foerste. 



Dciphon forbesi Barrande. 



Diaphorostoma niagarense (Hall). 



Dictyonema pertenue Foerste. 



Dictyonema scalariforme Foerste. 



Dictyonella reticulata Hall. 



Discosurus conoideus Hall. 



Elpe ulrichi Foerste. 



Encrinurus thresheri Foerste. 



Enterolasma geometricum (Foerste). 



Favosites favosidcus (Hall). 



Favositcs niagarensis Hall. 



Gomphoccras ortoni Foerste. 



Hallopora magnopora (Foerste). 



Hebertdla daytonensis Foerste. 



Hebcrtella fausta (Foerste). 



Hemitrypa ulrichi Foerste. 



Hindella umbonata (Billings). 



Homotrypaf confluens (Foerste). 



Hormotoma subulata (Conrad). 



Illxnus ambiguus Foerste. 



Illxnus daytonensis Hall and Whitfleld. 



Kionoceras crawfordi (Foerste). 



Leptsena rhomboidalis (Wilckens). 



Lindstromia gainesi (Davis). 



Liodemella ohioensis (Foerste). 



Liospira affinis (Foerste). 



Meekospira planilateralis (Foerste). 



Metopolichas breviccps dintonensis (Foerste). 



Modiolopsis rhomboidca (Conrad). 



Modiolopsis subrhomboidca Simpson. 



Mytilarcafoerstei Clarke and Ruedemann. 



Odontopleura ortoni (Foerste). 



Orthis flabellites Foerste. 



Orthis flabdlites dinorthis (Foerste). 



Orthis flabellites euorthis (Foerste). 



Orthis flabellites fissiplicata (Foerste). 



Orthis flabellites militaris Foerste. 



Orthoccrasf davatum Hall. 



Orthoceras erraticum Foerste. 



Orthoceras hanoverense Foerste. 



Orthoceras ignotum Foerste. 



Orthoceras rectum junius Foerste. 



Orthoceras rhythmoides (Foerste). 



Orthoceras (Spyrocerasf) spyroceroides Foerste. 



Orthoceras tenuisiphoruitum Foerste. 



Pachydictya bifurcata (Hall). 



