51 
GASTEROPODA. 
Family — Patellid.*:. 
Genus — Tectura. 
T. virginea (Miiller). 
\ r ery common in rock pools at low water, Cullercoats. 
Family — Capulid.e. 
Genus — Capulus. 
C. Jlungaricus (L.) 
Fine large specimens often thrown on the beach, Bamboro’. 
Family — Trochid.'e. 
( lenus — T rochis. 
T. helicinus (Fab). Margarita helicina of Alder. 
One specimen from shell sand, Newbiggin-by-the-Sea. 
Family — Rissoid.e. 
Genus — Rissca. 
R. striata v. arctica (Adams). 
Alive under stones at low water, Cullercoats, common. One or 
two worn specimens dredged at a depth of about 17 fathoms off 
Cullercoats. 
R. reticulata (Mont). 
One worn specimen dredged at a depth of about 17 fathoms off 
Cullercoats. 
R. semistriata (Mont). 
One worn specimen dredged at a depth of about 17 fathoms off 
Cullercoats. 
R. soluta (Philippi). 
Two small fresh specimens dredged at a depth of about 39 fathoms, 
some 16-17 miles off Souter Point, August, 1901. This, I think, has 
not before been recorded for this coast. It certainly is not in 
Alder’s list. 
Family — Scalar iid.t:. 
Genus — Scalaria. 
5». Trerehjana I Leach). 
One fine specimen, with a hermit crab inside it, dredged off Blyth. 
