33 Bulletin 38 . 6$ 



p. 75, pL 10, f. 5, 1889; Bull. 37, pL 10, f. 5, '8g. 



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, (as P/euro/oma); 



iS, 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, 1591 



fms. 

 tenoceras Dall, Bull. M. C. Z., 18, p. 76, pL 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, {as Pleurotoma); 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. Kitt's, 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 ANCISTROSYRINX 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 

 mitrella Dall, Bull. M. C. Z., 9, p. 56, Aug., 1881, {as Pleuro- 



toma); 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. 



