127 Bulletin 38 , 157 



aeglees Watson, Jour. Linn. Soc, 14, p. 704, '79; Chall. Rept. 

 Gastr., p. 8r,pl. 5, f. 10, '85; (as Margarita); Dall, Bull. 

 M. C. Z., 9, p. 40, '81; 18, p. 379, '89; Pilsbr}', Man., 11, p. 

 315, pi. 66, f. 18, 19, '89. 



Distribution.— Gulf of Mexico, 287-888 fms. Also off St. 

 Vincent, W. I. 



aegleesvar. cSavata Watson, Jour. Linn. Soc. London., 14, p. 

 705, Chall. Rept. Gastr., p. 82, pi. 5, f. 8, (j^s Margarita)-, 

 Dall, Bull. M. C. Z., 18, p. 380, '89; Pilsbry, Man., 11. p. 

 318, pi. 66, f. 98, 99, '89. 



Distribution. — Yucatan Strait, 640 fms.; Culebra Isl., W. I. 

 350 fms.; Pernambuco. Brazil, 675 fms. Dall and Pilsbry 

 regard this as a variety of aeglees. 



Subrica Dall, Bull. M. C. Z., 9, p. 44, '81, {SiS Margarita); 18, 

 p. 382, pi. 21, f. 9, '89; Pilsbry, Man., 11, p. 324, pi. 51, f. 

 25, 26, '89; Dall, Bull. 37, U. S. N. M., p. 164, pi. 21, f. 

 9, 9a, '89. 



Distribution. — Cedar Keys, West Florida, to St. Lucia, W. 

 I. 116-805 fms. 



lubrica var. Iridea Dall, Bull. M. C. Z., 18, p. 382, '89; Pilsbry, 

 Man., II, p. 324, '89; Dall, Bull. 37, U. S. N. M., p. 164, 

 1889. 



Distribution. — Cape Florida, Gulf of Mexico, West Florida 

 region. 193 fms. 



lissoconcha Dall, Bull. M, C. Z., 9, p. 41, '81, {diS Margarita); 

 18, p. 381. pi. 21, f. 8, 8a, '89; Bull. U. S. N. M., p. 164, pi. 

 21, f. 8, 8a, '89. 



Distribution.— Gulf of Mexico, Lat 28° N., Lon. 88° W., 

 at 331 fms. 



Genus BASlLtSSA Watson 



alta Watson, Jour. Linn. Soc. London, 14, p. 597, '79; Rept. 

 Chall. Gastr., p. 100, pi. 7, f, 8, '86; Pilsbry, Man., 11, p. 



