TREGELLES : MARINE MOLLUSCA OF CORNWALL. 259 
Var. rotunda Jeff.—Helford (W.H.). 
Var. pallida Jeff_—Helford (W.R.) ; Mount’s Bay (G.F.T.) ; 
Hayle (Miss H.). 
SuUB-ORDER J/YACEA. 
Psammobia tellinella Lmk.—Plymouth Sound, S. Austell 
Bay, Falmouth, Mount’s Bay, Land’s End, Hayle, Scilly. he 
P. costulata Turt.—Goran, Falmouth, Mount’s Bay, Porth- 
curnow, Hayle, Scilly. 
P. ferroensis Chem.—Generally distributed. 
P. vespertina Chem.—S.E. Cornwall, Falmouth, Mount’s 
Bay, Land’s End, Hayle, Scilly. 
Mya truncata L.—Plymouth (J.M.B.A.); Falmouth and 
Mount’s Bay (G.F.T.) ; Scilly (Jenkinson). 
Spheenia Binghami Turt.—Falmouth (W.H.). 
Lutraria elliptica Lmk.—Generally distributed. 
L. oblonga Chem.—Par (R.V.T.); Falmouth (G.F.T.) ; 
elelfords (Miss Carne) 0 St Minver (R.V.L-) 3 Scilly 
(Jenkinson). 
Corbula gibba Olivi.— Plymouth, Goran, Falmouth, Helford, 
Mount’s Bay, Scilly. 
Var. rosea Bro.—Nare Point (Helford ?) (W.H.). 
Solecurtus antiquatus Pult.—Plymouth Sound (J.M.B.A.); 
Looe (Montagu) ; Polperro (W.R.) ; Goran (Peach) ; Fal- 
mouth (J.G.J.) ; Mount’s Bay (G.F.T.). 
S. candidus Ren.—Falmouth (Hanley) ; Penzance 
(McAndrew & Forbes) ; Hayle (Hockin); Scilly (G.F.T., 
REWEES)): 
Var. oblonga Jeff.—Porthcurnow (Miss Lavars). 
Pharus legumen L. [| Ceratisolen /.] is doubtfully recorded 
for Falmouth and Scilly. As it is plentiful on one of the 
beaches of Bideford Bay, N. Devon, its occurrence on the 
Cornish coast is not improbable. 
Solen marginatus Pult. [.S. vagzna, L.].—Falmouth, 30 
