44 MOLI.USCA OF THE Gui.F OF MEXICO 1 4 



Genus CUViERlNA Boas 



columnella Rang, Ann. des Sci. Nat., ser. i, v. 12, p. 323, 1827, 

 Atlas 4°, pi. 45 B, f. i-S. (as Cuvieria); Pelseneer, Challen- 

 ger Pteropoda,Zool.,23,art. i, p. 67, 1888; Dall, Bull. 37, U. 

 S. N. Mus., p. 82, pi. 66, f. 117, '89; Tr. Wagner Inst. 

 Sci., 3, pt. 2, p. 431, 1892; Peck, Proc. U. S. N. Mvis., 16, 

 p. 462, pi. 55, f. 16, 1893; Dall, Proc. U. S. N. M., 37, p- 

 198, 1910; Johnson, Occ. Pap. Bost. vSoc, 7, p. 159, 1915. 



Triptera cohminella Verrill, Trans. Conn. Acad., 5, p. 557, 

 1882; 6, p. 214, 1884. 



Distribution. — West Atlantic, I^at. 43° N. — 40° S. East 

 Pacific, Lat. 23° N.— 42° S. Gulf of Mexico, West Florida 

 and Texas, recent. Lower Miocene Chipola bed at Alum 

 Bluff, Calhoun Co. Florida. 



Note. — The specific name is often, but erroneously, written 

 columella. The correct form is coluvinella since Rang prints 

 it thus twice in the original description. The generic name 

 Cjivieria is preoccupied. 



Genus EMBOLUS Jeffreys 



anflatus d'Orbigny, Voy. Ame'r. Me'r., p. 174, pi. 12, f. 16-19, 

 1836, (as ^//a«/a); Dall, Bull. 37. U. S. N. Mus., p. 80, 

 1889; Proc. U.S. N. Mus., 37, p. 199, 1910; Johnson, Occ. 

 Pap. Bost. Soc, 7, p. 155, 1915, (as Limacina). 



Spirialis rostralis Verrill, Trans, Conn. Acad., 6, p. 431, 1885. 



Distribution. — West Atlantic, Lat. 42° N.— 40° S. East 

 Pacific. Lat. 42° N.— 40° S. Gulf of Mexico, West Florida. 

 Pelagic, Pleistocene to Recent. 



Genus PERACLE Forbes 



reticulata d'Orbigny, Voy. Ame'r, Me'r., p. 178, pi. 12, f. 32- 



35> 39. 1836, {2& Atlanta); Dall, Bull. 37, U. S. N. Mus., 

 p. 80, 1889; Proc. U. S. N. Mus., 37, p. 199, 1910. 



