420 BULLETIN 53, UNITED STATES NATIONAL MITSEUM. 



162553. Nassa cerritensis Arnold. Holotype. 



Pleistocene. Spanish Bight, San Diego, California. 

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



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. Caloo.sahatchie River, near Fort Thompson, 

 Plorida. 



Dall, Trans. Wagner Free Inst. vSci. 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. II. 



112136. Nassarina glypta ( Bush). Plesiotypes. 



Pliocene. Near Fort Thompson, Caloosahatchie River, 

 Florida. 



Dall, Trans. Wagner Free In.st. .Sci. Phila., Ill, Pt. I, 1890, p. 132, 

 pi. 9, fig. II. 



1 1 2841. Natica alticallosa Dall. Holotype. 



Oligocene. Ten-Mile Creek, Calhoun County, Florida. 



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

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



267. Natica ? ambigua Meek and Hayden. Holotype and 



paratype. 

 Montana (Cret.). Yellow.stone River, near Miles City, 

 Montana. 

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

 =:Vanikoro ambigua. 



9865. Natica collina Conrad. ' Holotype. 



Cretaceous. Between Rio vSan Pedro and Rio Puercos, 

 Texas. 



Conrad, Rept. U. S. Mexican Bound. vSurv., Emory, I, Pt. II, 1S57, 

 p. 157, pi. 13, figs. 2a, 2]). 



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



Oligocene. Balla.st Point, Tampa, Florida. 



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

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



111652. Natica (Lunatia) hemicrypta (Gabb). Plesiotypes. 



Miocene. Shiloh and Jericho, New Jersey. 



Whitfield, Mon. XXIV, U. S. Geol. Surv., 1894, p. 118, pi. 22, 

 figs. 1-5. 



