196 TREGELLES : MARINE MOLLUSCA OF CORNWALL. 
L. cancellatus Sow. — Helford and Falmouth (R.N.D.) ; 
Seilly (2B) 
Hanleya Hanleyi Bean.—Off Plymouth (J.M.B.A.); Fal- 
mouth (Ware) seillya (iB): 
Trachydermon cinereus L. [C. marginatus Penn. ].—Fal- 
mouth (Brown) ; Mount’s Bay (G.F.T.); Scilly (R.W.J.S.). 
Tonicella rubra Lowe.—Falmouth (W.P.C.); Mount’s Bay 
(Renz lish)! 
Callochiton levis Mont. — Falmouth (J.T.M.); Helford 
(W.R.); Mount’s Bay (Magor, G.F.T.); Land’s End 
NG IBE) § Soule (Cars) 
Acanthochiton fascicularis L.—Whitsand Bay E., Fal- 
mouth, Helford, Penzance, Mousehole, Scilly. 
A. discrepans Brown.—Lantivet Bay (J.C.) ; Falmouth 
(W.P.C.); Hielford (W.R.); Mount’s Bay (Miss 7°): 
ORDER PROSOBRANCHIATA. 
SuB-ORDER D/JOTOCARDIA. 
Acmea virginea Mill.—Generally distributed. 
A. virginea varr. conica and lactea JeffiHelford (W.R.). 
Patella vulgata L.—Generally distributed. 
Var. depressa Penn.—Generally distributed. 
Varr. picta Jeff, elevata Jeff. and intermedia Knapp.— 
Helford (W.R.). 
Helcion pellucidum L.—Generally distributed. 
H. pellucidum var. laevis Penn.—Generally distributed. 
Fissurella graeca L.—Moderately common. 
Emarginula fissura L. — Plymouth, Falmouth, Mount’s 
Bay, Porthcurnow, Porthgwarra, Land’s End, Scilly. 
E. fissura varr. elata and incurva Jeff—Land’s End (W.H.) 
E. rosea Bell.—Plymouth Sound (J.M.B.A.); S.E. Cornwall 
(J.C.) ; Fowey (Peach) ; Helford (R.N.D.); Mount’s Bay 
(G.F.T.) ; Scilly (Lord Vernon). 
Cyclostrema Cutlerianum Cl.—Fowey (Barlee) ; Falmouth 
(Webster) ; Helford (W.H.); Sennen and Scilly (C.B.). 
J.C., viii., April 1896 
