TREGELLES : MARINE MOLLUSCA OF CORNWALL. 257 
M. stultorum L.—Generally distributed. 
Var. cinerea Mont.—Falmouth (W.P.C.); Hayle (Miss H.). 
M. glauca Born.—Mounts Bay (?) (Penz. List) ; Land’s End, 
fragments only (Lindsay); Hayle, single valves only 
(Miss H. and others). 
Var. luteola Jeff.—Hayle (J.G.].). 
SuB-ORDER VENERACEA. 
Circe (Gouldia) minima Mont.—Falmouth and Mount’s Bay 
(G.F.T.) ; Wolf Rock (W.H.); Hayle (Miss H.); Scilly 
(R.W.J.S.). 
Var. triangularis Mont.—Falmouth (Montagu and others). 
Cytherea chione L.—Generally distributed. 
Dosinia exoleta L. [Venus e.].—Generally distributed. 
D. lupinus L. [Venus “ncta Pult.|.—Generally distributed, 
but less plentiful than exo/e/a. 
Venus fasciata DaC.—Generally distributed. 
Var. radiata Jeff—Falmouth, Helford, Porthcurnow, Hayle, 
Scilly. 
V. casina L.—lalmouth and Mount’s Bay (G.F.T.) ;_ Porth- 
gwarra (R.N.D.); Hayle (Miss H.) ; Scilly (R.W.J.S.). 
Generally distributed. 
V. ovata Penn.—Generally distributed. Common, chiefly from 
deep. water, attached to byssus of the Pizva (J.C.). Mount’s 
Bay, plentiful in traw], and frequently found in stomachs of 
star-fish (G.F.T.). 
V. gallina L.—Moderately common. 
V. verrucosa L. 
Lucinopsis undata Penn. —-Whitsand Bay E., Falmouth, 
Helford, Mount’s Bay, Wolf Rock, Hayle. 
Var. equalis Jeff—Scilly (R.W.].S.). 
Tapes aureus Miihl.—Generally distributed. All four 
species of Zapes are especially common on the Bar at Fal- 
mouth, and at Helford. 
Var. ovata Jeff—Falmouth (J.G.J.). 
26/9/96, R 
