85 
ADDITIONS TO THE LIST OF THE 
MARINE MOLLUSCA OF NORTHUMBERLAND. 
By M. V. LEBOUE, B.Sc. 
The following are additions to our list, although all have been 
recorded by Alder. 
GASTEROPOPA. 
Family ChitonidcB. 
Chiton ruber (L). — Common at very low water under stones, 
Newbiggin. 
Chiton fascicularisy L. — A few specimens under stones among 
Lamellaria at very low water, Newbiggin. 
Family Littorinidce, 
Lacuna puteolus, Turton. — Common on Lamellaria, Newbiggin. 
Littorina neritoidesj L. — Common on the rocks, Newbiggin. 
Family Velutinida. 
Velutina lavigata, Pen. — Two dead specimens on the beach, 
Bamburgh. 
Family A ply sides. 
Aplysia punctata, Cuv. — This year several specimens were 
obtained at Newbiggin and Cullercoats. 
Family Doridee. 
Doris repanda, A.lder and Hancock. — Abundant on the Church 
Rocks, Newbiggin, which is one of the two localities mentioned by 
Alder. They are to be found in deep pools, which are only uncovered 
by the spring tides. 
Family Polyceridee, 
Polycera quadrilineata, Muller. — Several on the cement bags, 
uncovered at spring tides, Newbiggin, with Doris hilamellata. 
