751 MOLLUSCA OF THE GuLF OF MEXICO 42 



chyta Watson, Jour. Linn. Soc, 15, p. 466, Nov., 1881 (as 

 Defrancia)\ Rept. Chall. Gastr., p. 358, pi. 18, f. 4, 1885. 



Distribution. — Yucatan Strait, 640 fms. 



elusiva Dall, Bull. M. C. Z., 9, p. p. 69, Aug., 1881, {2iS Dri Ilia); 

 18, p. 115, pi. 12, f. 7, '8q; Bull. 37, U. S. N. M., p. 102, 

 pi. 12, f. 7, '89. 



Distribution. — -Yucatan Strait, 640 fms. Perhaps identical 

 with Defrancia perpaiLxilla Watson. 



bandeSia Dall, Bull. M. C. Z., 9, p. 59, 188 1; Verrill, Tr. Conn. 

 Acad., 6, p. 250, '84; Dall, Bull. M. C. Z., 18, p. 116, pi. 

 10, f. 3, '89; Bull. 37, U. S. N. M., p. 102, pi. 10, f. 3, pi. 



60: f. 73, '89. 

 Pleuroto77iella diomedecz Verrill and Smith, Tr. Conn. Acad., 

 6, p. 152, pi. 31, f. 5, 5a, 1884. 



Distribution. — East coast United States and Gulf of Mexico, 

 Blake Station 47, at 321 fms. Greatest depth 2100 fms. 



comatotropis Dall, Bull. M. C. Z., 9, p. 58, 1881; Verrill, Tr. 

 Conn. Acad., p. 452, '82; Dall, Bull. M. C. Z., 18, p. 116, 

 pi. II, f. 12, '89; Bull. 37, U. S. N. M., p. 102, pi. II, f. 12, 

 pi. 44, f. 8, pi. 61, f, 77, '89; Johnson, Occ. Pa. Bost. Soc, 

 N. H.. 7, p. 146, 1915. 



tiara Watson, Jour. Linn. Soc, p. 440, 1881; Chall. Gastr., 

 p. 347, pi. 21, f. 7, '85. 



Taranis pulchella Verrill, '82 and '84. 



Distribution. — Massachussetts to Barbados, 50-1075 fms. 

 Also Yucatan Strait, 640 fms. 



pelagia Dall, Bull. M. C. Z.. 9, p. 61, 1881; 18, p. 117, pi. 11, f. 

 9, '89; Bull. 37, U. S. N. M., p. 102, pi. II, f. 9, '89. 



Distribution. — Gulf of Mexico, Blake Station 44, in 539 fms., 

 bottom temperature 39° F. Also Antillean. 



