508 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiv. 
In codfish stomachs taken on Oeorges Banks, Goukl; (lulf of St. 
Lawrence, Whiteaves. U.S.N.M., 64097. 
Shell of a bright yellow brown with about fort}^ not very close set, 
rounded ribs, sometimes with a fine intercalary thread, the interior 
nacre white or slightly bluish. 
CRENELLA FABA Miiller. 
Plate XXXI, fig. 12. 
Mytilus faha Mvhi.^R, Prodr. Zool. Danica, 1776, p. 250, No. 3015.— Fabricius, 
Fauna Gronl., 1780, p. 419. 
Greenland and adjacent Arctic seas, Fabricius and others; Labra- 
dor, Turner; Straits of Belle Isle, Packard; and Mingan, Whiteaves. 
U.S.N.M., 107638. 
Shell of a dark livid purple-brown externally, with about seventy 
low, flat radial riblets without intercalary threads; the interior nacre 
deep purple. 1 regard this as distinct from C. pectimda on account 
of the differences in color and sculpture; it is also rather less inflated 
than the latter. 
ARCA (FOSSULARCA) ADAMSI Smith, var. CONRADIANA Dall. 
Plate XXXI, fig. 1. 
Area adamsi var. conradiana Dall, Rep. Blake Pelec, Bull. Mus. Comp. Zool., 
XII, 1886, No. 6, p. 243. 
Off Cape Hatteras, North Carolina, and southward to the Gulf of 
Mexico and Cura9ao. U.S.N.M., 92553. 
The shell is of a 5^ellowish white color. 
ARCA (CUCULLARIA) SAGRINATA Dall. 
Plate XXXI, fig. 2. 
Macrodon sagrbmia'DKiAj, Rep. Blake Pelec, Bull. Mus. Comp. Zool., XII, 1886, 
No. 6, p. 245. 
Area [Cucullaria) sagrinata DxLh, Trans. Wagner Inst., Ill, 1898; Pt. 4, p. 659. 
Gulf of Mexico, in 80 fathoms. U.S.N.M., 63175. 
ASTARTE GLOBULA Dall. 
Plate XXXII, fig. 6. 
Astarte smithii var. globula Dall, Rep. Blake Pelec, Bull. Mus. Comp. Zool., 
XII, 1886, No. 6, p. 260. 
Off Fernandina, Florida, in 294 fathoms, and in the Antillean region 
from Barbados westward to Campeche Bank, in 50 to 539 fathoms. 
U.S.N.M., 87722. 
The shell is smooth, not vernicose, and of a pale brown or straw 
color. 
