440 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



23048. Nucula storrsi Stanton. Cotypes. 



Knoxville (Dower Cret.). Three miles north of Paskenta, 

 California. 



Stanton, Bull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), p. 52, 

 pi. 6, figs. 13, 14. 



352. Nucula subplana Meek and Ha3'den. Holotype. 



Montana (Cret.). Yellowstone River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila.,VIII, 1856, p. 85.— 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 99, pi. 17, 

 figs. 7a, 7b. 



114951. Nucula taphria Dall. Holotype. 



Miocene. Natural Well, Duplin County, North Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 576, 

 pi. 32, fig. 14. 



6504. Nucula ventricosa Hall. Plesiotype. 



Upper Carboniferous. Nebraska City, Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Nebr. (Hayden), 1872, p. 204, 

 pi. 10, figs. I7a-c. 



1 15562. Nucula vieta Guppy. Holotype. 



Pliocene. Matura, Trinidad. 



Guppy, Proc. Sci. Assoc. Trinidad, 1867, p. 174; Geol. Mag., Lon- 

 don, Dec, II, I, 1874, p. 443, pi. 18, fig. S; Proc. Sci. Assoc. 

 Trinidad, 1882, p. 171, pi. 7, fig. 11. 



6491. Nuculana bellistriata attenuata Meek. Cotypes. 



Upper Carboniferous. Nebraska City, Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Nebraska (Hayden), 1872, 

 p. 206, pi. 10, figs. 11a, 11b. 



194S. Nuculana bisulcata (Meek and Hayden). Holotype. 



Fort Pierre (Cret. ). Deer Creek, North Platte, Wyoming. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 104, pi. 15, 

 figs. 4a, 4b. 



=L,eda bisulcata. 



12265. Nuculana bisulcata | Meek and Hayden). Plesiotype. 



Montana (Cret. ). Near Box Elder Creek, and East Fork 

 of Beaver Creek, Black Hills, South Dakota. 



Whitfield, Rept. Geol. and Resources Black Hills Dakota, 1880, 

 p. 407, pi. 11, fig. 7. 



= Leda bisulcata. 



323. Nuculana ? equilateralis (Meek and Ha} T den). Holotype. 

 Fort Pierre or Fox Hills (Cret.). Moreau River, South 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 106, pi. 15, figs. 

 7a, 7b. 



See Nucula equilateralis. 



