168 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



495. Corbula ( Potamomya? ) engelmanni Meek. Holotype. 



Bear River u ( Cret.). Bear River, near Sulphur Creek, 

 Wyoming. 



Meek, Proc. Acad. Nat. Sci. Phila., for i860, p. 313. 



495. Corbula ( Anisorhynchus? ) engelmanni Meek. Holotype. 

 Cretaceous. Bear River, mouth of Sulphur Creek, Wyom- 

 ing. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, .Pt. I, 1877, p. 174, 

 pi. 17, fig. ia. 



231 10. Corbula engelmanni (Meek). Plesiotypes. 



Bear River (Cret.). Near Waterfall, Wyoming. 



White, Bull. No. 128, U. S. Geol Surv., 1895, p. 40, pi. 4, figs. 

 10, 11. 



114701. Corbula engonata burnsii Dall. Cotypes. 



Oligocene. Calhoun County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 



847. 



23062. Corbula filosa Stanton. Cotypes. 



Knoxville (L,ower Cret.). Near Stephenson, Tehama 

 County, California. 



Stanton, Bull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), 

 p. 62, pi. 11, figs. 1, 2. 



115843. Corbula ( fossata var.?) extenuata Dall. Holotype. 



Eocene. Orangeburg District, South Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 844, pi. 36, fig. 6. 



355. Corbula? gregaria Meek and Hayden. Holotype and 



paratypes. 

 Montana (Cret.). Yellowstone River, near Miles City, 

 Montana. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 84. 



107099. Corbula ( Aloidis ) heterogenea ( Guppy ms.) Dall. Holotype. 

 Oligocene. Jamaica. 



Dall, Trans. Wagner Free Inst. Sci. Phila., III. Pt. IV, 1898, 

 p. 850, pi. 36, fig. 15. 



23125. Corbula hicksii White. Plastotypes. 



Cretaceous. Five miles west of north of Fairburg, 

 Nebraska. 

 White; Proc. U. S. Nat. Mus., XVII, 1S74, p. 134, pi. 8, figs. 6-8. 



22900. Corbula kanabensis Stanton. Cotypes. 



Colorado (Cret.). Upper Kanab Valley, Utah. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 125, pi. 27, 

 figs. 5, 6. 



