TREGELLES ; MARINE MOLLUSCA OF CORNWALL. 225 
D. entalis L.—Not unfrequent (J.C.). Plymouth, Falmouth, 
Mount’s Bay, Hayle, Scilly. 
CIONSS IBS ILC OIA. 
OrpdER PROTOBRANCHIATA. 
Nucula nucleus 1.—Par, Falmouth, Mount’s Bay, Hayle, 
St. Minver, Scilly. 
Var. radiata F. & H. 
(ask) 
N. nitida G. B. Sow.—Falmouth (W.P.C.); Mount’s Bay 
(Penz. List); Wolf Rock and Hayie (Miss Carne). 
Falmouth (W.H.); Mount’s Bay 
OrvER FILIBRANCHIATA. 
Sup-Orprer AMOATACEA. 
Anomia ephippium 1..—Generally distributed. 
Var. squamula 1..—Land’s End (WW.H.). 
A. patelliformis .—West Cornwall generally. 
Var. striata Loy.—Falmouth (W.H.). 
SuB-ORDER ARCACEA. 
Arca tetragona Poli.—Generally distributed, but not common. 
A. (Fossularca) lactea L.—-Par, Falmouth, Mount’s Bay, 
Land’s End, Hayle, St. Minver, Harlyn Bay, Scilly. 
Pectunculus glycimeris L.-—Generally distributed. 
Var. pilosa I..—-Helford (W.H.). 
SuB-ORDER J7VY7/LACELA. 
Miytifus edulis L.—Generally distributed. 
Var. ungulata L.—Hayle (Miss H.); St. Minver (R.V.T.). 
Var. incurvata Penn.—Par (R.V.T.) ; Falmouth (W.P.C.) ; 
Newquay (Miss H.); St. Minver (R.V.T.). 
Var. galloprovincialis Lmk.—Par, (R.V.T.); Falmouth 
(W.P.C.) ; Helford (J.C.) ; Hayle (R.N.D.). 
Var. pellucida Penn.—Falmouth (W.P.C.); Maenporth 
(R.N.D.); Hayle (Miss H.). 
Var. flavus Poli.—Newquay (Miss H.). 
(Zo be continued ). 
23/6/06 P 
