85 Bulletin 38 ' 11(g) 



Tryon, Man,, 3, p. 42, pi. 22, f. 38, 1881; Dall, Bull, 37, 

 U. S. N. M., p. 132, '89, (as Gyrineiim). 



Distribiition. — Hatteras to the Antilles. Variety cubaniana 

 d'Orbigny, dredged on Arrovv^smith bank, Yucatan, also off 

 Key West and Cuba. 



Genus DISTORTSO Bolten 



reilcuSatus Link, Besclir. Rostock Samml., 3, p. 122, 1807, (as. 

 Distortrix); Dall, Bull. 37, U. S. N. M., p. 132, '89; Dall 

 and Simpson, Bull. U, S. Fish Com., i, p. 416, 1901; Mitch- 

 ell, List Tex. Shells, p. 11. 



Distribution. — Hatteras to Barbados, West Florida and 

 Mustang Island, Texas, 22-154 ^^s. 



reticitlatys var. clathratus Lamarck, An. s. Vert., 7, p. 186,1822,, 

 Inc. Me'th., pi. 413. f. 4, (as Triton); Dall and Simpson, 

 Bull. U. S. Fish Com., i, p. 416, 1901. 



Distribution. — Porto Rico and Gulf of Mexico near Key 

 West (dredged by U. S. Fish Com.), also at Chandeleurs, 

 La. Pleistocene, New Orleans pnmping station No. 7. 



Genus C0LUBRAR5A Schumacher 



lanceolata Menke, Synopsis, p. 87, 1828, (as Ranella); Reeve, 

 Conch. Icon., 2, pi. 18, f. 79, 1844, (as Triton); Kuster, 

 Conch. Cab., pi. 65, f. 8; Tryon, Man., 3, p. 27, pi. 16, f. 

 162, 1881; Dall, Bull. 37, U. S. N. M., p. 132, '89; Dall 

 and Simpson, Bull. U. S. Fish Com., i, p. 416, 1901. 



Distribution. — Hatteras to Barbados and Vera Cruz on the 

 Gulf coast. Genotype 



testacea Moerch, Yoldi Cat., 107, {osTriton); Mai. Blatt., 24, p. 

 25; Tryon, Man., 3, pi. 14, L 128, 1881; Dall, Bull. 37, U. 

 S. N. M., p. 132, '89; Tr. W. I. S., 3, p. 161, 1890. 



Distribution. — Hatteras to Sombrero, and Texas region of 

 the Gulf of Mexico. Pliocene, Caloosahatchie River, West 

 Florida. 



