1484 BULLETIN 92 UNITED STATES NATIONAL MUSEUM. 



Schuchertella propinqua (Meek and Worthen). 

 Straparollus pumilis Savage. 



Stropheodonta (Brachy prion) latisculptilis (Savage). 

 Stropheodonta (Brachyprion) stropheodontoides 



(Savage). 

 Whitfieldella(?) billingsana (Meek and Worthen). 

 Whitficldella ovoides Savage. 

 Whitfieldellaf spcciosa Savage. 

 Zaphrentis ambigua Savage. 

 Zaphrentis subrcgularis Savage. 



UPPER MEDINAN (CHANNAHON) OF ILLINOIS. 



Callonema pristina Savage. 

 Cyphaspis intermedia Weller. 

 Daivsonoceras tcnuilincatum Savage. 

 Diaphorostoma illinoiscnsis Savage. 

 Leperdilia illinoiscnsis Savage. 

 Lingulops illinoiscnsis Savage. 

 Metopolichas ferrisi Weller. 

 Pholidops subelliptica Savage. 

 Proetus channahonensis Weller. 

 Ptcrinea elegans Savage. 

 Rhynchotreta intermedia Savage. 

 Rhynchotreta lepida Savage. 

 Schuchertella curvistriata Savage. 

 Whitficldella acuminata Savage. 

 Whitficldella ovoides Savage. 

 Zaphrentis ambigua Savage. 

 Zaphrentis subregularis Savage. 



UPPER MEDINAN (BRASSFIELD) OF KENTUCKY, OHIO, 

 TENNESSEE, MISSOURI, ILLINOIS, ARKANSAS, AND 

 OKLAHOMA. 



Acervularia clintonensis Nicholson. 



Acidaspis brevispinosa Foerste. 



Actinoceras daytonense (Foerste). 



Actinoceras latonummulatum (Foerste). 



Actinoceras turgidonummulatum (Foerste). 



Actinoceras youngi (Foerste). 



Aspidopora parmula (Foerste). 



Aspidopora parmula fencstelliformis Foerste. 



Atrypa laticorrugata Foerste. 



Atrypa marginalis Dalrnan. 



Aulopora precius compressus Foerste. 



Bucania exigua Foersto. 



Bucania fiscellostriata Foerste. 



Bucania opcrtus (Foerste). 



Bumastus niagarensis (Whitfield). 



Calymcne niagarensis Hall. 



Calymcne vogdesi Foerste. 



Camarotcechia{?) acinus convexa (Foerste). 



Camarotccchia (Stegcrhynchus) neglccla (Hall). 



Camarotccchia (Stegcrhynchus) neglecta cliftonensis 

 Foerste. 



Camarotcechia (Stegcrhynchus) whitei precursor 

 (Foerste). 



Ceramoporat cxpansa (James). 



Chasmatopora angulata (Hall). 



Clalhropora frondosa clintonensis (Hall and Whit- 

 field). 



Clidochirus americanus Springer. 



Clidophorus ferrugineum (Foerste). 



Coleolus clintonensis Foerste. 



Conularia bilineata Foerste. 



Conularia nagiarensis Hall. 



Cornulites distans Hall. 



Corynotrypa clongata (Vine). 



Crania? dubia Foerste. 



Ctenodonta elliptica (Hall). 



Ctenodonta "minima (Foerste). 



Ctenodonta ohioensis Bassler. 



Cuneamya caswelli (Foerste). 



Cyathophyllum facetus Foerste. 



Cycloccras amycus (Hall). 



Cycloceras inccplum (Foerste). 



Cycloccras inceptum acceleratum (Foerste). 



Cycloccras novacarlislensc (Foerste). 



Cyclora alta Foerste. 



Cyclospira(?) sparsiplica Foerste. 



Cyphaspis clintoni Foerste. 



Cypricardinia undulostriata (Hall). 



Cyrtoceras clintonense Foerste. 



Cyrtoccras (Glyptoccras) catonense (Claypole). 



Cyrtoceras (Olyptoccras) subcomprcssum Beecher. 



Cyrtodontat ferruginea (Hall and AVhitfiold). 



Cyrtolitcs youngi Foerste. 



Dalmanclla chganlula (Dalman). 



Dalmanella elcgantula parva (Foerste). 



Dalmanites iverthneri Foerste. 



Dciphon forbesi Barrande. 



Diaphorostoma niagarense (Hall). 



Dictyoncma pertenue Foerste. 



Dictyoncma scalariforme Foerste. 



Dictyonella reticulata Hall. 



Discosurus conoideus Hall. 



Elpe ulrichi Foerste. 



Encrinurus thresheri Foerste. 



Entcrolasma gcomctricum (Foerste). 



Favositcs favosideus (Hall). 



Favositcs niagarensis Hall. 



Gomphoccras ortoni Foerste. 



Hallopora magnopora (Foerste). 



Hcbertclla daytonensis Foerste. 



Hebertclla fausta (Foerste). 



Hemitrypa ulrichi Foerste. 



Hiwlella umbonata (Billings). 



Homotrypa? confluens (Foerste). 



Hormotoma subulata (Conrad). 



Illsenus ambiguus Foerste. 



Illxnus daytonensis Hall and Whitfield. 



Kionoceras crawfordi (Foerste). 



Leptxna rhomboidalis ( Wilckens). 



Lindslromia gainesi (Davis). 



Lioclemclta ohioensis (Foerste). 



Liospira affinis (Foerste). 



Meekospira planilateralis (Foerste). 



Metopolichas breviceps clintonensis (Foerste). 



Modiolopsis rhomboidea (Conrad). 



Modiolopsis subrhomboidca Simpson. 



Mylilarcafoerstei Clarke and Ruedemann. 



Odontoplcura orloni (Foerste). 



Orthis flabcllites Foerste. 



Orthis flabellites dinorthis (Foerste). 



Orthis flabellites euorthis (Foerste). 



Orthis flabellites fissiplicata ( Foerste). 



Orthis flabellites militaris Foerste. 



Orthocerast clavatum Hall. 



Orthoceras erraticum Foerste. 



Orthoceras hanoverense Foerste. 



Orthoceras ignotum Foerste. 



Orthoceras rectum Junius Foerste. 



Orthoceras rhythmoides (Foerste). 



Orthoceras (Spyroceras?) spyroceroides Foerste. 



Orthoceras tenuisiphonatum Foerste. 



Pachydictya bifurcata (Hall). 



