33 Bulletin 38 63 



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



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



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



Mississippi delta and Cedar Keys. 

 sigsbeei Dall, Bull. M. C. Z., 9, p. 57, 1881, {2iS 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, 1591 



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 Kej^s at 724 fms. 



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

 p. 66, f. 283, 1888, {diS Pleurotojna) ; 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); i8, 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. 



