37 



BUI.LKTIN 38 



67 



havanensis Dali, Bull. M. C, Z., g, p. 67, 1881; 18, p. 93, pi. 11, 

 f. 5, '89. 



Distribution. — Yucatan Strait, 640 fms. Also off Havana. 



fiihocolleta Watson, Jour. Linn. Soc, 15, p. 441, 1881; Chall. 

 Rept. Gastr., p. 320, pi. 24, f. 6, 1885 (a.s Pleurofoma); 

 Dall, Bull. M. C. Z., 18, p. 95, pi. 1 1 , f . 6, '89; Bull. 37, p. 

 98, pi. II, f. 6, '89. 



Distribution. — Hatteras to Guadeloupe, W. I. Also Gulf of 

 Mexico between Mississippi delta and Cedar Keys, at 940 

 fms. 



Genus CYS\1AT0SYRINX Dall 



centimata Dall, Bull. M. C. Z., 18. p. 95, pi. 36, f. 9, 1889; Bull. 

 37, U. S. N. M., p. 98, pi. 36, f. 9, '89. 



Distribution. — Hatteras and Gulf of Mexico, Lat. 24° N., 

 Lon. 84° W. at 1920 fms., and between Mississippi and 

 Cedar Keys at 118 1 fms. 



moseri Dall, Bull. M. C. Z., 18, p. 97, pi. 36, f. 3, 1889; Bull. 

 37, U. S. N. M., p. 98, pi. 36, f. 3, '89. 



Distribution. — Cape Hatteras and Sarasota Bay, West Fla. 



Genus PLEUROTOiVlELLA Verrill 



packardi Verrill, Am. Jour. Sci., (3) 5, p. 15, 1873; Tr. Conn., 

 Acad., 5, p. 453, pi. 43, f. 9, pi. 57, f. 5, '82. 



Distribution. — Gulf of Maine to Rhode Island. The variety 

 benedidi'M. & S., (Dall, Bull. 37, U. S. N. M.,p. 102, pi. 

 14, f. 4, pi. 60, f. 70 a, '89) ranges from Gulf of Maine to 

 Bequia, 1290-1507 fms. Gulf of Mexico, West Florida region. 



leucomata Dall, Bull. M. C Z., 9, p. 63, 1881, (q.s Drillia); iS, 

 p. 120, pi. II, f. 13, '89; Bull. 37, p. 102, pi. II, f. 13, 

 1889. 



