216 TREGELLES : MARINE MOLLUSCA OF CORNWALL. 
Buccinum undatum L.—Generally distributed. 
Neptunes antiqua L.—(/usus a.). Two young and dead 
specimens from Menavawr, Scilly (R.W.J.S.). “Cornwall ” 
(EGS) Mons the authority orm C@oncn Marked as 
Cornish, no locality, in a list by W. Hockin. ‘Three fine 
specimens in the Rogers’ collection, Truro Museum, as from 
Helford; no reason to doubt their authenticity except that 
the species is a rarity in Cornish seas. 
Sipho gracilis DaC.—Falmouth (J. C. and others) ; Helford 
(W.R.) ; Mount’s Bay, trawlers (G.F.T.) ; Scilly (Lord 
Vernon). 
Var. convoluta Jeff.—Mount’s Bay, trawl refuse {Miss T-) ; 
Scilly, three specimens including a large fragment (R.W.J.S., 
@3B3): 
S. propinquus var. Jeffreysianus Fisch. =(fusus /Jeffrey- 
sianus). Plymouth (Jordan); Mount’s Bay, trawlers, 
(G.F.T.) : Scilly, three worn specimens (R.W.J.S.). 
Bela turricula Mont.—(Pleurotoma ¢.). Falmouth (W.P.C., 
W.H.) ; Mount’s Bay (Penz. Mus.). 
B. rufa Mont.—Falmouth (W.P.C.); Land’s End (W.H.) ; 
Scilly (Miss H.). 
Var. lactea Jeff.—Scilly (C.B.). 
Var. semicostata Jeff.—Land’s End (W.H.). 
Var. Cranchii Bro.—Falmouth (Cranch). 
B. Trevelyana Turt.—Scilly (Miss H.). 
Mangilia costata Don.—Plymouth Sound, Falmouth, Helford, 
Mousehole, Porthcurnow, Porthgwarra, Land’s End, Scilly. 
M. lzevigata Phil.—Scilly, “one large specimen . . . the 
typical form, which thus appears to have been found for 
the first time on British coasts ” (R.W.J.S.). 
Var. minor Jeff.—Helford (W. H.) ; Marazion (Miss H.). 
M. brachyostoma Phil.—Falmouth Harbour (W.H.) ; 
dredged sand from Mount’s Bay, identified by Dr. Chaster 
(Gra: 
J.C. viii., July 1896. 
