HOMALOGYRIDA, 75 
** Avonmouth, Shirehampton and Cook’s Folly”; Cundall. 
“In marvellous abundance in a ditch near the Pill, Cleve- 
don”; Norman. 
Weston-super-Mare; F. A. Knight. 
HOMALOGYRIDZ. 
HoMALOoGYRA ATOMUS, Philippi. 
Shell resembling in shape that of Planorbis corneus, but 
very minute. 
Weston-super- Mare ! 
CYPRAIDA. 
TRIVIA EUROP@A, Montagu (= Cyprea europea, Montagu). 
The European cowry. In the young state the shell is spiral. 
Frequent on stony ground. Shells have been rarely found on 
the coast about Weston-super-Mare ; these, like the majority 
of the shells found on this coast, are dead ones washed in from 
the laminarian zone. 
Weston-super-Mare. Rare; F. A. Knight. 
NATICIDA. 
NATICA CATENA, Da Costa. 
Mr. H. Corder lists it from the Burtle Beds at Perry Green, 
Wembdon, near Bridgwater. 
Near Burnham ! 
LAMELLARIIDE. 
LAMELLARIA PERSPICUA, Linné. 
Minehead ! 
VELUTINA LEVIGATA, Pennant. 
Minehead ! 
CERITHIIDA. 
BITTIUM RETICULATUM, Da Costa (= Ceritthium reticulatum, 
Da Costa). 
Clevedon ! 
CERITHIOPSIS TUBERCULARIS, Montagu. 
Clevedon and Minehead ! 
