36 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Cingula areolata (Stimpson). 
Turritella areolata Stimpson, ’ 51 , p. 35. 
Cingula areolata Verrill, ’ 82 , p. 524. 
Not common, found with the preceding. 
Cingula multilineata (Stimpson). 
Rissoa multilineata, Gould, ’ 70 , p. 300. 
Only one dead specimen, dredged at station 5. 
Aporrhais occidentalis (Beck). 
Rare, dead specimens and fragments dredged at stations 4 and 10. 
Dredged alive in sandy mud, May, 1904, between stations 4 and 6, 
15 fathoms. No specimens fully matured, all being without lip. 
The animals seemed very hardy, as they were kept alive for study 
for three weeks. One live specimen, full grown, dredged 500 yards 
south of Egg Rock light, in August, 1904. 
Skenea planorbis (Fabricius). 
Very common in tide pools. 
Crucibulum striatum (Say). 
Not rare, dredged at stations 3, 4, and 6, attached to stones. 
Natica clausa Broderip and Sowerby. 
Rather rare, dredged at stations 17 and 22. 
Lunatia heros (Say). 
Common in shallow water, muddy bottom, in the upper part of 
Bay, as off Soward’s Island, and Shelldrake Island in Flander’s Bay,. 
Called “ hoss winkles ” by the natives ! 
Lunatia heros var. triseriata (Say). 
Lunatia, triseriata, Gould, ’ 70 , p. 340. 
Very common; in deeper water than the preceding. Dredged 
about everywhere in the Bay. 
Lunatia groenlandica (Moller). 
Rare, a few specimens dredged at station 10. 
Lunatia immaculata (Totten). 
Mamma ? immaculata , Gould, ’ 70 , p. 344. 
Very common, dredged at stations 10, 11, 17, and 22. 
