146, 
147. 
148. 
THE MOLLUSCA OF DORSETSHIRE. 39 
CERITHIOPSIS, Forbes and Hanley, 1849. 
. C. tubercularis (Mont.) Murex tubercularis, Mont. 
Forbes and Hanley, Vol. iii., p. 365, pl. 91, f. 7, 8. 
Portland, West Bay, 18 fathoms, £. Forbes and McAndrew. 
Weymouth Bay, W. Thompson. 
Poole Harbour, south side, near the mouth, J. C. M.-P. 
Kimmeridge Bay, dredged, J. C. M.-P. 
TURRITELLIDE. 
TURRITELLA, Lam., 1799. 
T. communis, Risso. Turbo terebra, Auct non L. 
Pulteney, p. 51, pl. 15, f. 5, 6. 
Lyme Regis, J. W. Cundall. 
Weymouth, abundant in 5 fathoms, £. R. Sykes. 
Kimmeridge Bay, dredged on a muddy sea bottom, J. C. M.-P. 
Fossil: Red and Mammaliferous Crags. 
CACIDA. 
CHCUM, Fleming, 1824. 
C. trachea (Montagu). Dentalium trachea, Mont. 
Forbes and Hanley, Vol. iii., p. 178, pl. 69, f 4. 
Brit. Conch., Vol. iv., p. 76. 
Inhabits the Coralline zone. 
Weymouth, Forbes and Hanley, EL. R. Sykes. 
Fossil : Coralline Crag, Suffolk, Searles Wood. Jeffreys does 
not think Scarles Wood’s species to be C. trachea but C. 
mammillata. 
C. glabrum (Mozt.) 
This little animal frequents the Coralline zone. 
Forbes and Hanley, Vol. iii., p. 181, pl. 69, f. 5. 
Weymouth, S. Hanley. 
Kimmeridge Bay, shell-sand, J. C. J.-P. 
Fossil: Coralline Crag. 
