MUSEUM OF COMPARATIVE ZOOLOGY. 229 
A rather common shallow-water species, rare in deep water, recorded by the 
U. S. F. C. from Eastport, Me., to off Delaware Bay, in 5 to 321 fathoms, 
Also found by the Stearns Expedition on the coast of Labrador, in 10 to 15 
fathoms, and recorded by Mr. Whiteaves from the Gulf of St. Lawrence, and 
by Mr. Dall as far south as the West Indies ; bathymetrical range not given. 
Mr, Dall, in his recent report, calls attention to the fact that the true 
P. papyracea Say is quite distinct from the Northern form described hy 
Mr. Totten, and given the provisional name Anatina fragilis. 
Abra »equalis Say. 
VERRILL, Trans. Conn. Acad., V. p. 568, 1882. 
A somewhat worn left valve, Station 321, off Oharleston, S. C., in 233 
fathoms. 
Recorded from Stonington, Conn., in the stomachs of cod (Linsley). 
A Southern species, detached valves of which are recorded by the U. S. F. C. 
from off Cape Hatteras, N. C., in 13 to 48 fathoms; and one living specimen 
in 14 fathoms. Recorded by Mr. Dall as far south as the Gulf of Mexico ; 
bathymetrical range not given. 
Macoma sabulosa (Srene.) Móncn. 
One living specimen, Station 310, south of Martha’s Vineyard, in 260 
fathoms. 
A common species found by the U. S. F. C. from off St. Johns, Newfound- 
land, to off Cape Hatteras, N. C., in 6 to 1,255 fathoms ; by Prof. A. S. 
Packard and the Stearns Expedition on the coast of Labrador, in 1 to 15 fath- 
oms; and by Mr. Dall on the coast of Florida as M. prowima ; bathymetrical 
range not given. 
Cyprina Islandica (Linné) Lam. 
One living specimen, Station 347, off Montauk Point, L. I., in 24 fathoms. 
A common species found by the U.S. F. C. from the Bay of Fundy and off 
Nova Scotia, to off Cape Hatteras, N. C., in 7 to 264 fathoms; not living 
below 128 fathoms. Recorded by Mr. Whiteaves from the Gulf of St. 
Lawrence. 
Astarte undata Grp. 
One valve, Station 303, east of George's Bank, in 306 fathoms. Six living 
and eight dead specimens, Station 345, south of Martha's Vineyard, in 71 
fathoms. 
VOL. XXIII. — NO. 6. 3 
