214 KCLLETIN r)3, IGNITED STATES NATIONAL MUSEUM. 



9850. Cytherea texana Conrad Holotype. 



Washita (Lower Cret. )• Between El Paso and Frontera, 

 Texas. 



Conrad, Rept. U. S. Mexican Bound. vSurv., Umory, I, Ft. II, 1S57, 

 p. 153. Pl. 6, fig. 2. 



13646S. Cytherea (Ventricola) ucuttana Dall. Holotype. 



Red Bluff (Eocene). Ucntta Creek, Clarke County, Ala- 

 bama. 



Dall, Trans. Wagner Free Inst. Sci. Pliila., Ill, PI. VI, 1903, 

 p. 1276, pl. 57, fig. 14. 



109234. Cytherea willcoxi Dall. Holotype. 



Pliocene. Caloosahatcliie River, near .site of old Fort 

 Thompson, Florida. 



Dall, Trans. Wagner Free Inst. vSci. Fhila., Ill, l"l. VI, 1903, 

 p. 1276, pl. 53, fig. 3. ^ 



35451. Cythereis alaris Ulrich and Bassler. Holotype. 



Chesapeake (Miocene). James River, Virginia. 



Ulrich and Bassler, Maryland Geol. Surv., Miocene, 1904, p. 123, 

 pl. 38, figs. 34-36. 



41S01. Cythereis bassleri lUrich. Cot^^pes. 



liocene. ITpper Marllxjro, Maryland. 



ririch, Marj'land (xeol. vSurv., Eocene, 1901, p. r2o, ])1. 16, figs. 

 19-21. 



35452. Cythereis cornuta americana Ulrich and Ba.ssler. Cotypes. 



Calvert (Miocene). Plum Point, Maryland. 



Ulrich and Bassler, Maryland (leol. vSurv., Miocene, 1904, p. 122, 

 pl. 37. figs. 29-33. 



41S06. Cytherella marlboroensis Ulrich. Cotypes. 



I^ocene. Upper Marlboro, Maryland. 



ITlrich, Maryland Ocol. vSurv., Rocenc, 1901, p. 117, pl. 16, figs. 

 9-13- 



41809. Cytherella ovatiformis Uhich. Cotypes. 



Chester (Mi.ss.). Gray.son Springs Station, Kentucky. 



Ulrich, Journ. Cincinnati vSoc. Nat. Hist., XIII, 1S90, ]>. 17, figs. 

 3. 4a-c. 



41S14. Cytherella ? rugosa Jones. Plesiotypes. 



Trenton (Ord. ). Near Cannon Falls, Minnesota. 



Ulrich, Geol. and Nat. Hist. vSur\ . .^linn., Final Rept., Ill, Pt. II, 

 1894, p. 686, pl. 43, figs. 21-24. 



41815. Cytherella? rugosa arcta Ulricli. Holotype. 



Trenton (Ord.). Near Cannon F\alls, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 686, pl. 43, fig. 25. 



