53 
G enus — Defk anci a . 
D. Lcufroiji (Micliaud). 
One much worn specimen, Berwick Bay. 
D. linearis (Mont), 
A few specimens dredged at a depth of about 17 fathoms oft 
Cullercoats. One specimen from shell sand, Newhiggin-by-the-Sea. 
Family — Bullid.e . 
Genus — Cylichna. 
C. ojlindracea (Penn). 
Several small specimens dredged at a depth of about 17 fathoms 
off Cullercoats. 
Family — Bullid.e. 
Philene scabra (Muller). Bullaia pectinata of Alder. 
One live specimen, 40 fathoms, off’ Cullercoats. 
