VO l889."'] PROCEEDINGS OF THE NATIONAL MUSEUM. 263 



Cryptodon pyriformis Dull. 

 Plate xiv, Fig. I. 

 Cryptodon piriformis Dall, Bull. Mas. Comp. Zool., xu. p. 267, 1886. 



Hab.— U. S. Fish Commission Stations 2646 and 2678, off the eastern 

 coast of the United States, from Gape Fear to Florida, in 85 to 731 fath- 

 oms; also by the Blake in 640 fathoms in Yucatan Strait. 



Cryptodon ovoideus Dall. 



Plate xiv. Fig. 3. 



Cryptodon ovoideus Dall, Bull. U. S. Nat. Mus., No. 37, p. 50, No. 211, 1889. 



Hab. — TJ. S. Fish Commission Station 2626, in 353 fathoms, sand, 87 

 miles off Cape Fear, North Carolina, temperature 40° F. 



The shell is yellowish-white and somewhat earthy, and measures 25 

 by 20 mm , with a diameter of 14 11 "". The surface is somewhat malleated 

 and the lnnule short, wide and deep. 



Family LUCINID^ 



Genus LUCINA Bruguiere. 



Lneina sombrerensis Dall. 



Plate xiv. Fig. 13. 



Lneina sombrerensis Dal], Bull. Mus. Comp. Zool., xn, p. 264, 1886. 



Hab.— Stations 2646 and 2648, in 84 to 85 fathoms, sand and mud, 

 off Cape Florida. Also in the Gulf of Mexico and off Sombrero Island, 

 West Indies, by the BlaJce, in 50 to 72 fathoms. 



Lilcina leucocyma Dall. 

 Plate xiv, Figs. 6,7. 

 Lneina leucocyma Dall, Bull. Mus. Comp. Zool., xii, p. 204, 1886. 



Hab.— Off the eastern coast of the United States, the Gulf of Mexico 

 and the West Indies, in from 5 to 683 fathoms. Collected by the Alba- 

 tross at Stations 2117, 2595, 2596, 2600, 2602, 2646, and 2648. 



Lucina sagrinata Dall. 

 Plate xiv. Fig. 11. 

 Lucina sagrinata Dall, Bull. Mus. Comp. Zool., xu, p. 265, 1880; xvm, p. 439, 1889. 



Hab.— U. S. Fish Commission Station 2046, off Cape Florida, in 85 

 fathoms; also in the Gulf of Mexico by the Blake in 182 to 300 fathoms. 



