33 



BUI,I.KTIN 38 



63 



p. 75, pL 10, f. 5, 1889; Bull. 37, pi. 10, f. 5, '89. 



Distribution. — N. Carolina to Guadeloupe. Also Gulf of 

 Mexico, Lat. 25° N., Lon. 84"" W., 888 fms., and between 

 Mississippi delta and Cedar Keys, 

 sigsbeei Dall, Bull. M. C. Z., 9, p. 57, 1881, {^s Pleurotoma); 

 18, p. 76, pi. II, f. 10, '89; Bull. 37, U. S. N. M., p. 96, 

 pi. II, f. 10, '89. 



Distribution. — Yucatan Strait, 640 fms. Off Bequia, 159 1 

 fms. 



tenoceras DalL Bull. M. C. Z., 18, p. 76, pi. 36, f. 5, 1889; 

 Bull. 37, U. S. N. M., p. 96, pi. 36, f. 5, '89. 



Distribution. — N. Carolina to Guadeloupe. Gulf of Mexico 

 between Mississippi delta and Cedar Keys at 724 fms. 



subgrundifera Dall, In Agassiz's Three Cruises of the Blake, 2, 

 p. 66, f. 283, 1888, {siS Pleurotofna) ; Bull. M. C. Z., 18, p. 

 77, pi, 38, f. I, '89; Bull. 37, U. S. N. M., p. 96, pi. 38, f. 

 I, '89. 



Distribution.— Cape Fear, N. C, to St. Kittys, W. I. Gulf 

 of Mexico, Yucatan Strait, 640 fms., and between Missis- 

 sippi delta and Cedar Keys, 940 fms., U. S. Fish Com. St. 

 2384. 



Genus ANCl STROSYR I NX Dall 

 radiata Dall, Bull. M. C. Z., 18, p. 78, pi. 12, f. 12, 1889; Bull. 

 37, U. S. N. M., p. 96, pi. 12, f. 12, '89; Dall & Simpson, 

 Bull. U. S. Fish Com., i, p. 384, 1901. 



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

 between Mississippi delta and Cedar Keys. Also Antillean. 

 Genus GENOTA Adams 

 mitrelSa Dall, Bull. M. C. Z., 9, p. 56, Aug., 1881, Pleuro- 

 to7na)\ 18, p. 78, pi. 12, f. 5, '89; Bull. 37, U. S. N. M., 

 p. 96, pi. 12, f. 5, '89. 

 didyma Watson, 1881. 



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

 W. I. 



