76 MOLLUSCA OF SOMERSET. 
SCALIDZA. 
ScaLa CLATHRUS, Linné (=Scalaria communis, Lamarck). 
An inhabitant of the Bristol Channel. Dead shells are 
occasionally washed on the Somerset shore. 
Clevedon ! 
PYRAMIDELLIDE-. 
ODOSTOMIA UNIDENTATA, Forbes and Hanley. 
Minehead ! 
OpDOSTOMIA PLICATA, Montagu. 
Clevedon ! 
TURBONILLA LACTEA, Linné (= Odostomia lactea, Linné). 
Birnbeck Cove, Weston-super-Mare ! 
EULIMID£. 
EULIMA POLITA, Linné. 
A common species in muddy sand. 
W eston-super-Mare, and about Burnham ! 
TURRITELLIDZ2. 
TURRITELLA COMMUNIS, Lamarck (= T. terebra, Linné). 
Weston-super-Mare ! 
BUCCINID#. 
BuccINUM UNDATUM, Linné. 
The common whelk. Common, in “every kind of ground, 
in all parts of the British seas, from the shore to the greatest 
known depth.” Frequent in the raised beaches about Weston, 
and in the Burtle Beds at Wembdon and elsewhere. 
Weston-super-Mare ; #. A. Knight. 
Burnham, Minehead, ete. ! 
MURICID&., 
OcINEBRA ERINACEA, Linné (= Murex erinaceus, Linné). 
Mr. Corder has found it in the Burtle Beds at Perry Green, 
W embdon. 
Weston-super-Mare; F. d. Knight. 
Burnham and Clevedon ! 
