14 Bulletin 34 46 



p. 77, 1914, (as Area Adamsi)\ Sheldon, Paleont. Amer., 

 vol. I, p. 22, pi. 4, figs. 16-1S, pi. 5, fig. I, 1916. 



Distribution. — Hatteras to Fernando Noronha, i to 116 fms. 

 Miocene to Recent. Gulf coast. — Recent : west Florida. 

 Pliocene : Caloosahatchie, Shell and Alligator Creeks, Fla. 

 (Dall). Miocene: Chipola River and Oak Grove, Fla,; 

 Gilbert well No. 10, Bateson, Hardin Co., Texas, at 323 

 feet (?). Miocene horizon (Deussen). 



adanisi conradiana Dall, Bull. Mns. Comp. Zool., vol. 12, p. 

 243, 1886 ; Bull. 37, U. S. Nat. Mus., p. 42, 1889 ; Proc. 

 U. S. Nat. Mus., vol. 24, p. 508, pi. 31, fig. i, 1902 ; 

 Sheldon, Palaeont. Amer., vol. i, p. 22, 1916. A smaller, 

 squarer form than typical. 

 Distribution. — Hatteras to West Florida, 25 to 52 fms. Cedar 

 Keys, Fla. 



(Cucullaria) paserula Sheldon 



Macrodon aperula Dall, Bull. Mus. Comp. Zool., vol. 9, p. 

 120, 1881 : Idem, vol. 12, p. 244, p. 8, figs. 4, 4 a, 1886 : 

 Bull. 37, U. S. Nat. Mus., p. 42, pi. 8, figs. 4, 4a, 1889. 

 Not Area asperula Deshayes, An. s. Vert., vol. i, p. 883, 

 pi. 66, figs. 4-6, i860. 



Bentharca asperula Verrill and Bush, Proc. U. S. Nat Mus., 



vol. 20, p. 842, 1898. 

 {^Cucullaria') asperula Dall, Trans. Wagner Inst., vol. 3, pt. 



4, p. 659, 1898. 

 {^Cucullaria') paserula Sheldon, Palaeont. Amer,, vol. i, p. 



24, pi. 5, figs. 8, 9, 1916. 



Distribution. — Fernandina to Yucatan. Abyssal, 310 to 1568 

 fms. Dredged by S. S. Blake in Gulf of Mexico, bottom 

 temperature 40° F. Also young shell, doubtful, off Cape 

 San Antonio, 



