148 MOLLUSCA OF THE GuLF OF MFXICO II8 



Tryon, lAIaii., 8, p. 38, pi. 14, f. 25, '88; Bail, Eiiil. M. C. 

 Z., 18, p. 295, '89; Bull. 37, U. S. N. M., p. 154, 1889; 

 (All avS Luyiatia) . 



Distribution. — Gulf of Mexico, Yucatan Strait, 640 fms. 

 Also off Cape Florida, Cape Fear and Cuba, 84-640 fms. 

 Also Pacific Ocean, Valparaiso, Chile, Recluz's tjq^e lo- 

 cality. 



leptalea Watson, Jour. Linn. Soc, 15, p. 261, 1880; Dall, Bull. 

 M. C. Z., 9, p. 93, '81; Watson, Chall. Rept. Gastr., p. 

 441, pi. 27, f. 7, '85; Dall, Bull. M. C. Z., 18, p. 295, '89. 

 (All as Lunatia). 



Distribution. — Yucatan Strait, 640 fms. Also off Fernandi- 

 na, Fla., and Sombrero Isl,, 450 fms, 



fringilla Dall, Bull. M. C. Z., 9, p. 93, 1881; 18, p. 295, pi. 21, 

 f. 12, '89; Bull. 37, U. S. N. M., p. 154, pi. 21, f. 12, '89, 

 (All as Lunatia). 



Distribution — Yucatan Strait, 640 fms. Also near Old 

 Providence, 382 fms. L. radiata Watson, ma}^ be identical 

 with this species. 



hemicrypta Gabb, Jour. A. N. S. Phila.. (2), 4, p. 375, pi. 

 67, f. 5, i860; (as Natica); Dall, Bull. 90, U. S. N. M., p. 

 ic6, pi. 9, f. 9, 1915. 



emi7iuloides Gabb, Jour. A. N. S. Phila., (2), 8, p. 339, pi. 

 44, f. 4, 1875- 



Distribution. — Upper Miocene, Galveston well at 2465-2733 

 feet, and of the Jennings-Heywood No. 29 well, Jennings, 

 La., at i960- 1 980 feet. Lower Miocene, Chipola marl. West 

 Fla. Oligocene, Tampa silex beds. 



Subgenus fJE¥ER8TA Risso 



duplicata Say, Jour., A. N. S. Phila., 2, p. 247, 1822, (as Natica)\ 

 Dall, Bull. 37, U. S. N. M., p. 154, pi. 51, f. 12, '89; Tr. 



