TREGELLES : MARINE MOLLUSCA OF CORNWALL. 261 
Teredo norvegica Speng.—Plymouth (J.M.B.A.) ; Falmouth 
in timber of breakwater; Maenporth, in  drift-wood ; 
Penzance, in timber of jetty belonging to Trinity Board, 
Land’s End (W.H.) ; Hayle (Miss H.). 
Mi navalis Wi. 2: mesorara Wan. L: malleolus Vurt, 
bipinnata, Turt., and Z. fimbriata are all recorded for 
Cornwall, but I am not satisfied that any of them are 
indigenous. 
SuB-ORDER ANVATINACEA. 
Pandora inzquivalvis var obtusa Jeff.— S.E. Cornwall 
(J.C.) ; Falmouth (W.H.); Mount’s Bay, 20 fathoms 
(G.F.T.); Wolf Rock (Miss Carne) ; Scilly (R.W.J.S.). 
Thracia preetenuis Pult.—Falmouth (Montagu) ; Mount’s Bay 
(McAndrew & Forbes); Porthcurnow (Baily) ; Hayle 
(W.H.) ; Scilly (R.W.J.S.). 
T. papyracea Poli.—Plymouth, Helford, Mount’s Bay, Porth- 
curnow, Hayle, Scilly. 
Var. villosiuscula Macg.—Helford (Miss Carne); Mount’s 
Bay (G.F.T.); Wolf Rock and Porthcurnow (Miss Carne) ; 
Scilly (Jordan). 
T. pubescens Pult.—Plymouth (J.M.B.A.); Falmouth 
(Montagu and others). 
T. convexa W. Wood.—Plymouth (J.M.B.A.); Goran 
(Peach) ; Falmouth (W.H.); Helford (W.R.) ; Mount’s Bay 
(Miss T.); Hayle (W.H.). 
T. distorta Mont.—Not uncommon in stones from deep 
water (J.C.) ; near Fowey (J.T.M.) ; Falmouth (Montagu) ; 
Mount’s Bay (Miss Carne); Land’s End (W.R.) ; Scilly 
CREWAIES=): 
Var. truncata Turt.—Falmouth (J.G.]J.). 
Lyonsia norvegica Chem.—Plymouth (J.M.B.A.);  Fal- 
mouth (W.H.); Mount’s Bay (McAndrew and Forbes) ; 
Scilly (C.B.). 
