568 A, FE. Verrill— Catalogue of Marine Mollusca. — 
Syndosmya lioica Dall. 
Dall, Bulletin Mus. Comp. Zool., ix, p. 133, 1881. 
Station 871, in 115 fathoms, 1880, one broken specimen; 949, in 
100 fathoms, three examples. Gulf of Mexico, 30 to 805 fathoms, 
“Blake” Exp. (t. Dall). 
I have compared our shell with specimens sent to me by Mr. Dall. 
Gastranella tumida Verrill. 
Gastranella tumida Verrill, Amer. Journ. Sci., iii, p. 286, pl. 6, figs. 3, 3a, 1872. 
Verrill, Rep. Invert. Anim. Vineyard Sd:, in Rep. U. S. Fish Com., i, pp. 418, 
678 (auth. cop., p. 384), pl. 27, fig. 190, 1874. 
g 
FIGURE 9. 
This species has not been met with since it was 
originally dredged in Long Island Sound, off New 
Haven. It was found nestling in holes and cavities 
among sponges, bryozoa, and the roots of hydroids, 

on a shelly bottom, in 4 to 6 fathoms. 
Abra cequalis Say. 
Abra equalis Say, Amer. Conch., iii, pl. 28, 1831. 
Verrill, Rep. Invert. Anim. Vineyard Sd., in Rep. U. 8. Fish Com., i, p. 679 
(auth. cop., p. 385), 1874. 
. 
Recorded by Linsley from Stonington, Conn., from stomachs of 
cod. Its occurrence north of Cape Hatteras needs verification. It 
is abundant at Fort Macon, N. C. 
Angulus tenellus Verriil. 
Angulus modestus Verrill, Amer. Journ. Sci., vol. iii, p. 285, pl. 6, figs. 2, 2a, 1872 
(non Carpenter, 1864), 
Angulus tenellus Verrill, Rep. Invert. Anim. Vineyard Sd., in Rep. U. S. Fish Com., 
i, p. 677, pl. 30, fig. 224, 1874 (auth. cop., p. 383). 
This may be only a variety of Angulus tener. 
Long Island Sound, Narragansett Bay and Vineyard Sound, 1 to 
10 fathoms. 
Macoma inflata (Stimp. MSS.) Dawson. 
Dawson, Canadian Naturalist, vi, p. 377, 1872. 
Murray Bay,—Dawson; Gulf of St. Lawrence! (coll. Whiteaves.) 
Fossil in the Post-pliocene at Riviére-du-Loup, Canada. 
