76 
THE MOLLUSCA OF DORSETSHIRE. 
ASTARTIDA. 
ASTARTE, Sow., 1816. 
293. A. Sulcata (Da Costa). 
9 
9 
9 
Weymouth Bay, W. Thompson. 
Fossil : Red Crag. 
. A. triangularis (ont.) 
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. islandica (Z.) Cyprina islandica (L.) 
Venus islandiea, L. 
Forbes and Hanley, Vol. i., p. 441, pl. 29,f. 4. Pulteney, 
p: 30, pl. 6,4. 0. 
One of our largest British shells, a northern species, living at 
depths from 5 to 25 fathoms. 
Weymouth, very frequent, Hanley. 
Poole, #. Forbes ; sand-banks, Dr. Turner. 
Swanage Bay, dredged, 5 fathoms, Miss 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 Lox Stones to the 
Weybourn Crag. 
DONACIDE. 
DONAX, L., 1758. 
Siphons short, separate, divergent. 
. D. vittatus, Da Costa. D. anatinus, Lam. 
D. trunculus, Pult. 
Pulteney, p. 33, pl. 6, f. 3. Forbes and Hanley, Vol. i., 
p: 382,.pl. 21, 1. 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. 
