80 THE MOLLUSCA OF DORSETSHIRE. 
308. T. inearnata, Z. T. squalida, Pult. T. depressa, Pult. 
Pulteney, p. 30, pl. 5, f. 2. 
Forbes and Hanley, Vol. i., p. 298, pl. 20, f. 5. 
A scarce British shell. 
Weymouth, dredged, 7 fathoms, Z. Forbes and McAndrew. 
Poole, north shore, Pulteney. 
Weymouth, shore after a storm; lives in sand, at the mouth 
of the Fleet estuary, L. R. Sykes. 
309. T. donacina, Z. 
Pulteney, p. 29, pl. 11, f. 3, 6. 
Forbes and Hanley, Vol. i., p. 292, pl. 12, f. 3, 6. 
A widely-distributed species. 
Weymouth, very sparingly, Pulteney. 
Portland, West Bay, dredged in 1d fathoms, #. Forbes and 
McAndrew. 
Kimmeridge Bay, dredged, 11 fathoms, J. C. M.-P. 
Fossil : Coralline and Red Crags. 
SCROBICULARIIDA. 
SCROBICULARIA, Schumacher, 1817. 
310. S. piperita (Gmel.) Mactra Listeri, Gmel. 
Pulteney, p. 33, pl. 7, f. 1. 
Usually found at the mouths of rivers and inlets, and not far 
from fresh-water. 
Poole Harbour and north shore, Pulteney, Dr. Turner. 
Mud-flats, Branksea Island, abundant, J. C. I-P. 
Weymouth, Pulteney. 
The Fleet, generally dead, LE. R. Sykes. 
“One valve obtained at Bawdsey Cliff. I have one also 
from the Woodbridge district,” MS. by the late Mr. R. 
Bell in the possession of H. Lt. Sykes. This confirms 
Searle Wood’s doubtful Red Crag. 
Fossil : Quaternary tufaceous deposit, Blashenwell, Clement 
Reid. 
SYNDOSMYA, Reeluz, 1842. 
311. §. prismatica (Mont.) Scrobicularia prismatica (Mont.) 
This iridescent species has a great range of depth from the 
Laminarian zone to 100 fathoms. There is no record 
of it, east of Weymouth. 
Weymouth, S. Hanley. 
