76 
293. 
294. 
THE MOLLUSCA OF DORSETSHIRE. 
ASTARTIDA. 
ASTARTE, Sow.; 1816. 
A. suleata (Da Costa). 
Weymouth Bay, W. Thompson. 
Fossil : Red Crag. 
A. triangularis (Mont.) 
A more abundant shell in Scotland than in England. Very 
abundant in the Scilly Islands, 
Weymouth, Damon. 
Fossil: Coralline Crag. 
ARCTICIDA. 
ARCTICA, Schum., 1817. 
. A. islandiea (Z.) Cyprina islandica (Z.) 
Venus islandiea, ZL. 
Forbes and Hanley, Vol. i., p. 441, pl. 29,f. 4. Pulteney, 
p. 35, pl. 6, f. 5. 
One of our largest British shells, a northern species, living at 
depths from 5 to 25 fathoms. 
Weymouth, very frequent, Hanley. 
Poole, Z. Forbes ; sand-banks, Dr. Turner. 
Swanage Bay, dredged, 5 fathoms, Afiss Colson. 
Lyme Regis, dredged, J. W. Cundall. 
Between Studland and South Haven, numbers thrown up on 
the sandy shore after a gale, J. C. M.-P. 
Fossil : British Pliocene from the Box Stones to the 
Weybourn Crag. 
DONACIDA. 
DONAX, Z., 1758. 
Siphons short, separate, divergent. 
. D. vittatus, Da Costa. D. anatinus, Lam. 
D. trunculus, Pui. 
Pulteney, p. 33, pl. 6, f. 3. Forbes and Hanley, Vol. i., 
p. 332, pl. 21, f. 4, 5, 6. 
An exceedingly abundant shell on the sandy parts of the 
coasts ; often thrown up after a rough sea. 
Weymouth, Pulteney, W. Thompson, E. R. Sykes. 
