240 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 
Littorinella minuta (Totten) Stimp. (= Rissoa minuta Gld.). 
Fox Harbor, Saint Lewis Sound, 1 to 4 fathoms, sand; one dead. 
Cingula castanea (MOll.) Verrill. 
Cingula castanea G. O. Sars, Moll. Reg. Arct. Norvegiz, p. 174, pl. 10, figs. 1 a, 
1 b, 1878; Verrill, Cat. Mar. Mollusa, pl. 43, fig. 1. 
PLATE IX, Fi4. 9. 
Dead Island, near Square Island, 1 to 4 fathoms, hard bottom. 
Littorina littorea (Linné) Menke. 
Very rare at so northern a latitude. 
Littorina rudis (Maton) Gould. 
Much eroded specimens occurred at all the localities. 
Lacuna vincta (Mont.) Turton. 
Common at Forteau Bay, 20 fathoms; L’anse au Loup, 8 to 15 fathoms; 
Fox Harbor, Saint Lewis Sound, 1 to 4 fathoms; Dead Island, near 
Square Island, 1 to 4 fathoms. The larger specimens measure about 
13"" in length and 8™™ in breadth. 
Turritella erosa Couth. 
(%®mmon at all the localities. 
Turritella reticulata Migh. 
L’anse au Loup, 10 fathoms ; Henley Harbor, 3 to 15 fathoms ; Temple 
Bay, 10 fathoms; Dead Island, near Square Island, 2 to 4 fathoms. 
Turritellopsis acicula Sars. 
Turritella acicula Stimp., Proc. Boston Soe. Nat. Hist., vol. iv, p. 15, 1851; Shells 
of New England, p. 35, pl. 1, fig. 5. 
Turritellopsis acicula G. O. Sars, Moll. Reg. Arct. Norvegiz, pl. 10, figs. 14-a, b. 
A few good, though dead, specimens were found at Dead Island, 
near Square Island, 1 to 4 fathoms, mud. 
frichotropis borealis Brod. & Sow. 
Lanse au Loup, 8 to 10 fathoms; Henley Harbor, 3 to 15 fathoms; 
Temple Bay, 5 to 10 fathoms; Dead Island, near Square Island, 2 to 4 
fathoms. 
Aporrhais occidentalis Beck. 
Forteau Bay, 20 fathoms; L’anse au Loup, 10 to 20 fathoms; Henley 
Harbor, 15 fathoms, living. Temple Bay; Fox Harbor, Saint Lewis 
Sound, 8 fathoms; Dead Island, near Square Island, 2 to 4 fathoms, 
dead. 
Margarita helicina (Fabr.) MOU. 
L’anse au Loup, 10 fathoms, one dead. Very common, in 1 to 4 fath- 
oms, at Fox Harbor, Saint Lewis Sound, and Dead Island, near Square 
Island. 
