80 MOLLUSCA OF THE GtXF OF MEXICO 



yucatecana Dall, Bull. M. C. Z., 9, p. 72, 1881: iS, p. 138, pi. 

 19, f- 5, '89: Bull. 37, U. S. X. M., p. 106, pi. 19, f. 5, 

 1889. 



Distribution. — Yucatan Strait, 640 fms. Also Sand Ke:*. 

 Fla., 125 fms. 



seminula Dall, Bull. M. C. Z., 9, p. 72, 18S1; 18, p. 139, pi. 19 

 f. 2, '89; Bull. 37, U. S. X. M., p. loS, pi. 19, f. 2, '89. 



Distribution. — Yucatan Strait, 640 fms. Also Antillean. 



rostrata Redfield, Cat. Marg., Am. Jour. Concli., 5, p. 246, 

 (note), 1870; DaU, Bull. M. C. Z., 18, p. 137, "89; Tr. W. I. 

 S., 3, p. 50, 1890. 



oblonga Sowerby, Thesaurus, pi. 76, f. 106, 108. ;ox 

 oblong a of Swainson. 



Distribution. — Gulf of Mexico. Lat. 23^ X., Lon. S9" W. , 

 in S4 fms. Pliocene, Caloosahatchie beds. 



(Volvarina; avena Yalenciennes, in Kiener, Coq. \'\\ . Marginella- 

 p. 17, pi. 6, f. 24. 1841: Sowerby, Thes. Conch., i, p. 391, 

 pi. 76, f. 130, '49: Dall, Bull. 37, U. S. N. M., p. 108, '89: 

 Dall & Simpson, Bull. U. S. Fish Com., i, p. 394, 1901; 

 Vaughan, Publ. Xo. 133. Cam. Inst., p. 171, 19 10. 



Distribution. — Key West to Colon. Also Texas region. 

 Gulf of Mexico. Pliocene to Recent. Pleistocene, La- 

 bella. West Fla. 



I Volutella) ovuiiformis d'Orbigny, Moll. Cuba. 2. p. loi, pi. 20 

 t. 33-35. 1S45: Dall, Bull 37, U. S. X. M.. p. 108, '89 

 Dall & Simpson, Bull. U. S. Fish Com., i. p. 395, 1901 

 Yaughan, 2nd Ann. Rept. Fla. G. S.. p. 148, 1910. 



Distribution. — Cape Fear, X. C. to Guadeloupe Isl. xAlso 

 West Florida. Pleistocene, Manatee, West Fla. 



(Volutella) hadria Dall, Bull. M. C. Z., iS. p. 142. iSSq: Bull.37. 

 U. S. X. M., p. 108, '89. 



