210 TREGELLES : MARINE MOLLUSCA OF CORNWALL. 
R. (Apicularia) Guerini Rech. [2. costwlata Ald.|.—Hel- 
ford (W.H.); Mousehole and Porthcurnow (R.N.D.) 
R. (Onoba) striata Ad.—Mount’s Bay, (G.F.T.); Porth- 
curnow (Penz. Mus.); Land’s End (Marquand); Scilly 
(R.W.J.S.). 
Var. arctica Lov.—Sennen (C.B.). 
R. proxima Ald.—Plymouth Sound, Falmouth, Helford, 
Mount’s Bay, Hayle, Scilly. 
R. vitrea Mont.—Whitsand Bay E. (J.M.B.A.); Looe (J.C.); 
Falmouth -(W. H.); Scilly (C.B.). 
R. (Setia) fulgida Ad—Whitsand Bay E. (J.M.B.A.); 
Falmouth (F. & H.); Helford (W.R.); Mount’s Bay (Penz. 
List) ; Scilly (C.B.), 
Var. pallida Jeff—Helford (W.R.). 
R. (Cingula) trifasciata Ad. [A. céngi//us Mont.].—Ply- 
mouth Sound, Falmouth, Helford, Prussia Cove, Mount’s 
Bay, Land’s End, Scilly. 
Var. rupestris Forb.—Falmouth (W.P.C.); St. Michael’s 
Mount (R.N.D.); Scilly (C.B.). 
R. obtusa Cant. [ 2. so/u¢a Phil.].—Plymouth Sound, Fowey, 
Falmouth, Helford, Mount’s Bay, Wolf Rock, Scilly. 
R. semistriata Mont.—Falmouth, Mount’s Bay, Land’s End 
Carbis Bay, Scilly. 
Barleeia rubra Mont.—Whitsand Bay E., Helford, Pen- 
zance, Mousehole, Porthcurnow, Land’s End, Scilly. 
Hydrobia ulvee Penn.—Falmouth (W.P.C.); Helford (W.R.); 
Hayle (Miss Carne). 
H. ventrosa Mont.—Land’s End (W.H.). 
Skenea planorbis Fabr.—Falmouth (W.P.C.); Penzance 
(G.F.T.); Land’s End (W.H.); Scilly (C.B.). 
Jeffreysia diaphana Ald.—Falmouth, Maenporth and 
Helford (W.H.); Mousehole (R.N.D.); Porthcurnow (Mar- 
quand); Carbis Bay (C.B.). 
J. opalina Jeff—Falmouth (Barlee); Maenporth and Helford 
(W.H.); Mousehole (R.N.D.); Scilly (C.B.). 
J.C., vili., July 1896 
