426 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



162553. Nassa cerritensis Arnold. Holotype. 



Pleistocene. Spanish Bight, San Diego, California. 

 Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 231, pi. 4, fig. 1. 



124961. Nassa johnsoni Dall. Holotype. 



Miocene. Cape Fear River, North Carolina. 



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

 p. 241, pi. 13, fig. 12. 



112141. Nassa lapenotierei Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 133, 

 pi. 9, fig. 8. 



1 15490. Nassa solidula Guppy. Holotype. 



Miocene. Cumana, Venezuela. 



Guppy, Quar. Journ. Geol. Soc. London, XXII, 1866, p. 579, 

 pi. 26, fig. 11. 



112136. Nassarina glypta (Bush). Plesiotypes. 



Pliocene. Near Fort Thompson, Caloosahatchie River, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., III,. Pt. I, 1890, p. 132, 

 pi. 9, fig. 11. 



112841. Natica alticallosa Dall. Holotype. 



Oligocene. Ten-Mile Creek, Calhoun Count) 7 , Florida. 



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

 p. 365, pi. 22. fig. 28. 



267. Natica ? ambigua Meek and Hayden. Holotype and 



paratype. 

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

 Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 64. 



=Vanikoro ambigua. 



9865. Natica collina Conrad. Holotype. 



Cretaceous. Between Rio San Pedro and Rio Puercos, 

 Texas. 



Conrad, Rept. U. S. Mexican Bound. Surv., Emory, I, Pt. II, 1857, 

 p. 157, pi. 13, figs. 2a, 2b. 



1 12857. Natica (Cryptonatica) floridana Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 



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

 p. 366, pi. 17, fig. 5. 



1 1 1652. Natica (Lunatia) hemicrypta (Gabb). Plesiotypes. 



Miocene. Shiloh and Jericho, New Jersey. 



Whitfield. Mon. XXIV, U. S. Geol. Surv., 1894, p. n8, pi. 22, 

 figs. 1-5. 



