522 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



61544. Pleurotoma barretti Giippy. Holotype. 



Miocene. Cuinana, Venezuela. 



Guppy, Quart. Journ. Geol. Soc. London, XXII, 1866, p. 290, 

 pi. 17, fig. 6. 



162535. Pleurotoma (Borsonia) bartschi Arnold. Holotype. 



Pliocene. Deadnian Island, off San Pedro, California. 

 Arnold, Mem. Calif. Acad. vSci., Ill, 1903, p. 200, pi. 9, fig. i. 



136965. Pleurotoma boadicea Dall. Holotype. 



Oligocene. Oak Grove, Florida. 



Dall, Traii-s. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, pi. 

 41, fig. 4. 



162534. Pleurotoma (Borsonia) dalli Arnold. Holotype. 



Pliocene. Deadnian Island, off San Pedro, California. 

 Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 201, pi. 6, fig. 2. 



12458. Pleurotoma ? hitzi (Meek). Holotype. 



Colorado (Cret.). Opposite Fort Shea, Missouri River. 

 Stanton, Bull. No. 106, V. S. Geol. Surv., 1893, p. 161, pi. 34, fig. 4. 



162533. Pleurotoma (Borsonia) hooveri Arnold. Holotype. 



Pliocene. Deadnian Island, off San Pedro, California. 

 Arnold, Mem. Calif. Acad. vSci., Ill, 1903, p. 201, pi. 10, fig. i. 



1 15579. Pleurotoma jamaicense Guppy. Holotype. 



Miocene. Jamaica, British West Indies. 



Gupp3', Quart. Journ. Geol. Soc. London, XXII, 1866, p. 290, 

 pi. 16, fig. 6. 



1 3035 1. Pleurotoma lapenotierei Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, pi. 43, 

 fig. 14- 



147038. Pleurotoma lerchi Vaughan. Holotype. 



Claibornian (Eocene). Hammets Branch, near Moimt 

 Lebanon, L,oiiisiana. 



Vaughan, Bull. No. 142, U. S. Geol. Surv., 1897, p. 32, pi. 2, 

 fig. I. 



147039. Pleurotoma ludoviciana Vaughan. Holotype. 



Claibornian (liocene). Hammets Branch, near Mount 

 lyebanon, L,oui.siana. 

 Vaughan, Bull. No. 142, U. S. Geol. vSurv., 1897, p. 33, pi. 2, 

 fig- 3- 



1 15584. Pleurotoma miranda Guppy. Holotype. 



Miocene. Jamaica, West Indies. 



Gup])}', Proc. Sci. A.ssoc. Trinidad, 1SS2, ]). 17S, pi. 7, fig. 19. 



