TREGELLES : MARINE MOLLUSCA OF CORNWALL. 199 
Aclis supranitida S. Wood.—Plymouth Sound (J.M.B.A.) ; 
Falmouth (Cranch); Fowey (Barlee); Sennen (J.T.M.) ; 
Hayle (W.H.); Scilly, one specimen (R.W.J.S.). 
A. ascaris Turt.—Plymouth Sound (J.M.B.A.); Helford 
(W.H.) ; Wolf Rock (Miss Carne) ; Land’s End and Hayle 
(WE) =) Bude (Eindsay):; Seillya(€sB:): 
Pherusa Gulsonze Cl.—Fowey and Falmouth (Barlee) ; St. 
Mawes and Helford (W.H.); Scilly (C.B.). 
Land’s End (W.H.) ; Scilly (C.B.). 
Cioniscus unicus Mont.—Falmouth (Montagu) ; Mount’s 
Bay (Penz. List); Land’s End and Hayle (W.H.); Scilly 
(CIB) 
Natica (Lunatia) catena DaC.—Whitsand Bay E., Par, 
Plymouth, Falmouth, Helford, Mount’s Bay, Porthcurnow, 
Hayle. 
N. Alderi Forb.—Plymouth, S.E. Cornwall, Falmouth, Hel- 
ford, Mount’s Bay (frequent), Porthcurnow, Land’s End, 
Var. tenuicula Jeff. 
Hayle, Scilly. 
Var. lactea Jeff.— Falmouth (C.B.); Helford (W.H.) ; 
Mount’s Bay, trawl refuse (G.F.T.) ; Scilly (R.W.J.S.). 
N. sordida Phil.—Off Scilly (McAndrew). 
N. Montacuti Forb.—Cornwall (McAndrew); Menavawr, 
Scilly, three or four living specimens (R.W.J.S.). 
Lamellaria perspicua L.—Plymouth, Goran, Falmouth, 
Helford, Mount’s Bay, Land’s End, Hayle, Scilly. 
Var. lata Jeff—Mount’s Bay, dredged living (G.F.T.). 
Velutina laevigata Penn.—Falmouth (W.P.C.);  Porth- 
curnow (R.N.D.); Hayle (W.H.); Scilly (R.W.J.S.). 
Capulus hungaricus L. 
‘not unfrequently found on the shell of Pecten maximus. 
Calyptrazea chinensis L.—Plymouth Sound (J.M.B.A.) ; 
Fowey (Peach); Falmouth (W.P.C.); abundant in Hel- 
ford River among old shells (R.N.D.). 
Fairly common in deep water, and 
