TREGELLES : MARINE MOLLUSCA OF CORNWALL. 253 
P. varius L.—Generally distributed. 
Var. purpurea Jeff.—Falmouth (G.F.T.). 
P. incomparabilis Risso. [/. Zes¢e Biv.].—Land’s End and 
Nare Point (Helford 2) (W.H.). 
P. tigrinus Miil!.— Plymouth, Falmouth, Mount’s Bay, 
Porthcurnow, Scilly. 
Var. costata Jeff.—Scilly (R.W.]J.S.). 
P. striatus Miill. — Plymouth (Jordan); Wolf Rock (Miss 
Carne) ; Scilly (J.G.J.). 
P. similis Lask.—Plymouth Sound (J.M.B.A.); Falmouth 
(W.P.C.) ; Mount’s Bay (McAndrew and Forbes); Wolf 
Rock (W.H.); Scilly (R.W.J.S.). 
P. pusio L.—Generally distributed. 
P. sulcatus Miill.—‘ Mr. Hanley showed me a single valve, 
said to have been trawled near the Runnelstone [Wolf ] 
Lighthouse off the Land’s End.”—(J.G.J.—B.C. vol. v., 
Dee wo): 
Lima (Radula) hians Gmel.—Falmouth (J.C.); Mount’s 
Bay (McAndrew & Forbes). 
Var. tenera Turt.—Falmouth (C.B.); Land’s End (W.H.) ; 
Scilly (R.W.J.S.). 
L. subauriculata Mont.—Plymouth Sound, Whitsand Bay E., 
Fowey, Falmouth, Mount’s Bay, Porthcurnow, Scilly. 
L. Loscombii G. B. Sow.—-Plymouth, Falmouth, Mount’s 
Bay, Porthcurnow, Land’s End, Scilly. 
ORDER EULAMELLIBRANCHIATA. 
SUB-ORDER SUBMYTILACEA. 
Astarte sulcata DaC.—Falmouth (J.C.); Helford (W.R.) ; 
Mount’s Bay, trawl refuse (G.F.T.) ; Scilly (R.W.J.S.). 
Var. paucicostata Jeffi—Mount’s Bay (Miss T.). 
A. Montagui Dill. [4. compressa Mont. |.—Falmouth (W.P.C.); 
Mount’s Bay, a single valve (Miss T.). 
A. triangularis Mont.—Whitsand Bay, E. (J.G.J.); Falmouth 
(Montagu) ; Mount’s Bay (G.F.T.) Land’s End (W.R.) ; 
Scilly (McAndrew). 
