82 



MOLLUSCA OF THE Gui.F OF MEXICO 



52 



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

 at 280 fms. Also off Cuba, 119 fms. 



Genus IVIiT^A Lamarck 



gemoiata Sowerby, Thes. Conch., sp, 334, 1874; Tr5^on, Man., 

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

 p. 110, '89; (as var. of hanleyi Dohrn): Dall & Simpson, 

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



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



straminea A. Adams, Pr. Zool. Soc, p. 132, 185 1; Sowerby, 

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

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



Distribution. — Gulf of Mexico, west of Florida. 



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

 loa, i860, (as Vohitomitra) ] Dall. Bull. 37, U. S. N. M.,p. 

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



Distribution. — Cape Hatteras to Florida Straits and West 

 Florida, 14-80 fms. Very closel}^ allied to and probably 

 identical with M. rushi Dall, (Conch. Kxch., 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 Dall, Bull, M. C Z., 18, p. 159, pi. 15, f. 6, 1889; Bull. 

 37, U. S. N. M., p. no, pi. 15, f. 6, '89. 



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

 Also Antillean, 



CConomitra) blakeana Dall, Bull. M. C. Z., 18, p. 163, 1889; Bull. 

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



Distribution. — Recent, Yucatan Strait, 640 fms. Closely 

 related to the fossil species, stami7iea Conrad and fusoides 

 Lea. 



Genus IVHTROHIORPHA A. Adams 

 pygmaea Dall, Tr. Wagner Inst. Sci., 3, p. 95, pi. 10, f. 3, 1890. 



