TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 439 



351. Nucula obsoletistriata Meek and Hayden. Holotype. 



Fort Pierre (Cret.). Great Bend of Missouri, below Fort 

 Pierre, South Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 275 

 (as N. obsoletastriata).— Meek, Rept. U. S. Geol. Surv. Terr., 

 IX, 1876, p. 100, pi. 15, figs, ioc, iod. 



8231. Nucula perumbonata White. Holotype. 



Upper Carboniferous. Wild Band Pockets, Arizona. 



White, Bull. No. 5, U. S. Geol. Surv. Terr., 1879, p. 217; Twelfth 

 Ann. Rept. U. S. Geol. Surv. Terr., 1880, p. 136, pi. 34, 

 figs. 7a, 7b. 



436. Nucula planimarginata Meek and Hayden. Holotype and 



437. paratype. 

 Fox Hills (Cret.). Moreau River, South Dakota, and 



Dong Lake, North Dakota. 



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

 (as N. planomarginata). — Meek, Rept. U. S. Geol. Surv. Terr., 

 IX, 1876, p. 101, pi. 15, figs. 8a, 8b; pi. 28, fig. 16. 



12259. Nucula planimarginata Meek and Hayden. Plesiotypes. 



Fort Pierre (Cret.). Cheyenne River, ten to fifteen miles 

 west of Beaver Creek, Black Hills, South Dakota. 



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

 p. 406, pi. 11, figs. 5, 6. 



111607. Nucula proxima Say. Plesiotype. 



Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 50, pi. 7, 

 figs. 7-10. 



136118. Nucula prunicola Dall. Holotype. 



Miocene. Plum Point, Maryland. 



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

 pi. 32, fig. 9. 



13900. Nucula rescuensis Walcott. Cotypes. 



Upper Devonian. Rescue Hill, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 172, pi. 15, fig. 9. 



302. Nucula scitula Meek and Hayden. Holotype and paratypes. 

 Fox Hills (Cret.). Dong L,ake, North Dakota. 



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



= Yoldia scitula. 



107330. Nucula shaleri Dall. Cotypes. 



Miocene. Gay Head, Massachusetts. 



Dall, Amer. Journ. Sci. (3), XLVIII, 1894, p. 298; Trans. Wagner 

 Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 575, pi. 40, fig. 6. 



136099. Nucula sinaria Dall. Holotype. 



Miocene. St. Marys River, Maryland. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 575, 

 pi. 32, fig. 7. 



