166 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



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



paratype. 

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



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 521, pi. 40, 

 figs. 6a, 6b. 



See Cyrena occidentalis. 



7834. Corbicula occidentalis (Meek and Hayden). Plesiotypes. 



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



Yampa Valley, northwestern Colorado. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. 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 banuisteri 7834. 



7841. Corbicula? (Leptesthes) planumbona Meek. Cotypes. 



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

 Colorado. 



Meek, Bull. U. S. Geol. and Geogr. Surv. Terr. (2) , I, No. 1, 1875, 

 P- 43- 



7841. Corbicula (Leptesthes) planumbona Meek. Cotypes and 



8126. plesiotypes. 



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



Kansas 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. Geol. Uinta Mountains, 1876, p. 127. 



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

 (See Eleventh Ann. Rept. U. S. Geol. Surv. Terr., 1877 (1879), pp. 

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



20106. Corbicula pugetensis White. Cotypes. 



Puget (Cret.?). Carbonado, Washington. 



White, Bull. No. 51, U. S. Geol. Surv., 1889, p. 60, pi. 11, fig. 8. 



441. Corbicula subelliptica (Meek and Hayden). Holotype. 



Laramie (Cret. ). Cherry Creek, South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1S76, p. 523, pi. 43, 

 fig. 9a. 



See Tellina subelliptica. 



8123. Corbicula subelliptica ( Meek and Hayden). Plesiotypes. 

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



White, Third Ann. Rept. U. S. Geol. Surv., 1883, p. 437, pi. 20, 

 figs. 10, 11. 



