82 MOLLUSCA OF THE GULF OF MEXICO 52 



Distribution.— Gulf of Mexico, Lat. 28° N., Lon. 86° W., 

 at 280 fms. Also off Cuba, 119 fms. 



Genus MITRA Lamarck 



gemmata Sowerby, Thes. Conch., sp. 334, 1874; Trj-on, Man., 

 4, p. 183, pi. 58, f. 688, '82; Ball, Bull. 37, U. S. N. M., 

 p. no, '89; (as var. of hanleyi Dohrn): Ball & Simpson, 

 Bull. U. S. Fish Com., i, p. 396, 1901. 



Bistribution. — Charlotte Harbor, West Florida, to Jamaica. 



straminea A. Adams, Pr. Zool. Soc, p. 132, 1851; Sowerby, 

 Thes. Conch., f. 561; Tryon, Man., 4, p. 140, pi. 41, f. 188, 

 1882; Ball, Bull. 37, U. S, N. M., p. no, '89. 



Bistribution. — Gulf of Mexico, west of Florida. 



wandoensis Holmes, Post-Plioc. Fos. S. Car., p. 77, pi. 12, f. 10, 

 loa, i860, (as Volutomitra) ; Ball. Bull. 37, U. S. X. M.,p. 

 no, '89; Tr. W. I. S., 3, p. 92, 1890. 



Bistribution. — Cape Hatteras to Florida Straits and West 

 Florida, 14-80 fms. Very closely allied to and probably 

 identical with M. rushi Ball, (Conch. Exch., 2. p. 9, 1887; 

 Bull. M. C. Z., 18, p. 160, '89) from the Gulf of Mexico, 27 

 fms., U. S. Fish Com. Station 2372. 



styria Ball, Bull. M. C Z., 18, p. 159, pi. 15, f. 6, 1889; Bull. 

 37, U. S. N. M., p. iio.pl. 15, f. 6, '89. 



Bistribution. — Gulf of Mexico, west of Florida, 119 fms. 

 Also Antillean, 



■fConomitra) blakeana Ball, Bull. M. C. Z., 18, p. 163, 1889; Bull. 

 37, U. S. N. M., p, no, '89. 



Bistribution. — Recent, Yucatan Strait, 640 fms. Closeh' 

 related to the fossil species, staviinea Conrad and fusoidcs 

 Lea. 



Genus MITROMORPHA A. Adams 



pygmaea Ball, Tr. Wagner lust. Sci., 3, p. 95, pi. 10, f. 3, 1890. 



