156 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



115515. Columbella gradata Giippy. Holotype. 



115516. Miocene. Ciimana, Venezuela, and Jamaica, British West 



Indies. 



Guppy, Quart. Journ. Geol. Soc. London, XXII, 1866, p. 288, 

 pi. 16, fig. 10. 



= Strombina gradata. 



162558. Columbella ( Anachis ) minima Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 237, pi. 9, fig. 8. 



1 15520. Columbella peculiaris Guppy. Holotype. 



Pliocene. Matura, Trinidad, British West Indies. 



Guppy, Geol. Mag., London, Dec. II, I, 1874, p. 411, pi. iS, fig. 20. 

 = ^,sopus stearnsii. 



1 13259. Columbella (Anachis) styliola Dall. Holotype. 



Miocene. Cape Fear River, North Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, 

 p. 242, pi. 13, fig. II. 



21 15. Columna teres (Meek and Hayden). Holotype. 



Laramie (Cret.). Three miles below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 555, pi. 44, figs, 

 iia, lib. —White, Third Ann. Rept. U. S. Geol. Surv., 1883, 

 p. 454, pi. 25, fig. 15. 



See Bulimus? teres. 



21 13. Columna vermicula (Meek and Hayden). Holotj'pe and 



paratypes. 

 Laramie (Cret.). Three miles below Fort Union, North 

 Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 556, pi. 44, figs. 

 I2-I2b.— White, Third Ann. Rept. U. S. Geol. Surv., 1883, p. 

 454, pi. 25, fig. 16. 



See Bulimus? vermiculus. 



21 14. Columna vermicula contraria Meek. Holotype. 



Laramie (Cret.). Near Fort Union, North Dakota. 

 Meek, Rept. U. S. Geol, Surv. Terr., IX, 1876, p. 557. 



35403. Columnaria halli Nicholson. Ple.siotype. 



Stones River (Ord.). Two miles .southwest of Columbia, 

 Tennessee. 



Hayes and Ulrich, U. S. Geol. Surv., Folio 95, 1903, illustration 

 sheet, fig. 47. 



9851. Columnaria thomii Hall. Holotype. 



Locality and formation not given. Probably Richmond 

 (Ord.), near El Paso, Texas. 



Hall, Emory's Rept. U. S. Mexican Bound. Surv., I, Pt. II, 1857, 

 p. 173, pi. 20, figs. la-id. — Walcott, Palaeontologia Universalis, 

 Ser. I, Fasc. II, 1903, pis. 29, 29a. 



= Cyathophylloides thomii . 



