192 BULLETIN ')'.], ITNITED STATES NATIONAL MUSEUM. 



212S. Cyclas subellipticus Meek and Hayden. Holotype and 



paratype. 

 Laramie (Cret. ). Ten miles below Fort ITnion, North 

 Dakota. 



Meek and Hayden, Proc. Acad. Nat. vSci. PLila., VIII, 1S56, p. 



115- ' 



= Splicerium subelli])ticum. 



135257. Cyclinella gatunensis Dall. Holotype. 



Eocene. Gatnn, Panama Canal, Panama. 



Dall, Trans. Wagner Free Inst. vSci. Phila., Ill, Pt. VI. i9<'3, p. 

 T2S5, ])1. 52, fi}^. tS. 



46161. Cycloconcha mediocardinalis Miller. Ple.siotype. 



lyorraine (Ord. ). Covington, Kentucky. 



I'lrich, (reol. vSurv. Ohio, VII, 1H93, p. 686, pi. 48, fig. 12. 



46162. Cycloconcha milleri ( Meek). Plesiotype.s. 

 47344. Richmond ((3rd.). Ver.sailles, Indiana; Hanover, Ohio. 



ririch, Geol. Surv. Ohio, VII, 1893, p. 686, pi. 51, figs. 14-21. 



See Anodontop.sis ? milleri. 



46163. Cycloconcha ovata Ulrich. Cotypes. 



Utica (Ord.). Covington, Kentucky. 



Ulrich, (tcoI. vSurv. Ohio, VII, 1893, p. 687, pi. 48, figs. 13-15. 



40733. Cyclocystoides magnus Miller and Dyer. Ple.siot^'pe. 



Richmond (Ord.). Waynesville, Ohio. 



Miller and Dyer, Jonrn. Cincinnati Soc. Nat. Hist., IV, 18S1, 

 p. 70, pi. I, figs. 2, 2a. 



45763. Cyclonema bilix ( Conrad ). Ple.siotypes. 



45764. Richmond (Ord.). Versailles, Indiana; Wayne.sville and 



45765. Clarksville, Ohio. 



Ulrich and vScofield, Geol. and Nat. Hi.st. Surv. I\Iinn., I-'inal 

 Rcpt., HI, Pt. II, 1897, p. 1058, pi. 78, figs. 35-37. 



45766. Cyclonema bilix conicum Miller. Plesiotypes. 



Richmond (Ord.). Vensailles, Indiana. 



Ulrich and vScofield, Geol. and Nat. Hist. Surv. Minn., P'inal 

 Re])t., HI, Pt. II, 1897, p. 1058, pi. 78, figs. 38, 39. 



45767. Cyclonema bilix fluctuatum James. Plcsiotype. 



Richmond (Ord.). W'rsailles, Indiana. 



I'lrich and vScofield, Geol. and Nat. Hist. Surv. Minn., I'inal 

 Re])t., HI, Pt. II, 1897, p. 1059, pi. 78, figs. 40-42. 



4576S. Cyclonema gracile ITlrich. Cotypes. 



45769. Lorraine ( Ord. ). Ne\v])()rt, Kentuck>-; Cincinnati, Ohio. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., I'inal Re])t., HI, Pt. 

 II, 1897, p. 1062, pi. 82, figs. 55-58. 



