li\C^ BULLETIN 5.S, UNITED i^TATE!=; NATIONAL MUSEUM. 



2134. Corbicula occidentalis ( Meek and Hayden. ) Holotype and 



paratype. 

 Laramie ( Cret. ). Bad Lands of Judith River, Montana. 



Meek, Rept. V. vS. GeoL Surv. Terr., IX, 1876, p. 521, pi. 40, 

 figs. 6a, 6b. 



See Cyrena occidentalis. 



7834. Corbicula occidentalis ( Meek and Ha^'den). Plesiotj'pes. 



81 12. Laramie (Cret.). Black Butte Station, Wyoming, and 



Yampa Valley, northwestern Colorado. 



White, Twelfth Ann. Rept. U. S. Geol. vSurv. Terr., 1878 (1S83), 

 Pt. I, p. 75, pi. 21, fig. 3a; Third Ann. Rept. U.S. Geol. 

 Surv., 1883, p. 437, pi. 23, figs. 1-6. 



See Corbicula bannisteri 7834. 



7S41. Corbicula? ( Leptesthes ) planumbona Meek. Cot3'pes. 



Laramie (Cret.). Two hundred miles east of Denver, 

 Colorado. 



Meek, Bull. U. S. Geol. and Geogr. Surv. Terr. (2j , I, No. i, 1875, 

 P- 43- 



7841. Corbicula ( Leptesthes ) planumbona Meek. Cotj'pes and 



8126. plesiotypes. 



Laramie (Cret. ). Two hundred miles east of Denver on 



Kan.sas Pacific Railroad, Crow Creek, northern 



Colorado. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terrs., 1878 (1883), 

 Pt. I, p. 77, pi. 21; figs. 2a-d; Third Ann. Rept. U. S. Geol. 

 Surv., 1883, p. 437, pi. 22, figs. 7-9. 



12508. Corbicula powelli White. Cotypes. 



Eocene. 



White, Powell's Rept. (>eol. Uinta Mountains, 1S76, p. 127. 



[The locality given is erroneous and the true location is unknown. 

 (vSee F;ieventh Aim. Rejit. U. S. Geol. Surv. Terr., 1877 (1879), pp. 

 191, 192). T. W. Stanton.] 



20106. Corbicula pugetensis White. Coty])es. 



Puget (Cret.?). Carl)onad(), Washington. 



While, lUill. No. 51, IT. S. Geol. vSurw, 1.S89, ]). 60, pi. 11, fig. 8. 



441. Corbicula subelliptica ( Meek and Ha>den ). Holotype. 



Laramie (Cret. ). Cherry Creek, vSouth Dakota.' 



Meek, Rept. U. vS. Geol. vSurv. Terr., IX, 1876, p. 523, pi. 43, 

 fig. 9a. 



vSee Telliua su1)elli])tica. 



8123. Corbicula subelliptica ( Meek and IIa\(len ). Plesiotypes. 

 ^aramie (Cret. ). Bijou Creek, Colorado. 



White, Third .Ann. Re])t. U. S. Geol. Surv., 1883, j). 437, pi. 20, 



figs, lu, II. 



