312, 
313, 
314, 
315. 
THE MOLLUSCA OF DORSETSHIRE. 81 
S. nitida, Lovén. §. intermedia, Thompson. 
A boreal shell. 
Forbes and Hanley, Vol. i., p. 31, pl. 17, f. 9, 10. 
Lives in slimy mud at different depths. 
E. Forbes (1853) gives several British localities for this shell, 
but omits Weymouth. McAndrew found it on the 
north coast of Cornwall. Messrs. Howse and Mennell on 
the Dogger Bank. 
Weymouth, Damon, E. R. Sykes. 
S. alba (Wood). Mactra Boysii, Mont. 
Pulteney, p. 33, pl. 12, f. 7. 
Not uncommon on the sandy and muddy parts of the coast. 
Studland, 7. Rackett. 
Poole, 7. Rackett. 
Weymouth, W. Thompson ; dredged, 5 fathoms, E. R. Sykes. 
Kimmeridge Bay, dredged, 8 fathoms, abundant, J. C. -P. 
Fossil : Upper Tertiaries from the Clyde beds to the 
Coralline Crag. 
S. tenuis, (Mont.) Scrobicularia tenuis (Mont. ) 
Pulteney, p. 33. ; 
Forbes and Hanley, Vol. i., p. 323, pl. 17, f. 11. 
In the Fleet, west of Portland Bridge, abundant, S. Hanley, 
J. C. M.-P. 
Fleet estuary (alive) with Rissova membranacea, HE. R. Sykes. 
Poole Harbour, south side, near the mouth (dead), abundant, 
thrown up with the sea-weed, J. C. M.-P. 
LUTRARIA, Lam., 1799. 
L. oblonga (Chemnitz. ) 
Pulteney, p. 33, pl. 2. f. 4. 
Forbes and Hanley, Vol. i., p. 374, pl. 13, f. 1. 
Lives in moist mud and ooze. 
Poole Harbour, north shore; Poole Harbour, opposite 
Branksome ; deep mud near Lilliput, J. C. A/-P. 
Poole sand-banks (dead), Dr. Turner; Studland beach, 
Pulteney, J. C. M.-P. 
Weymouth, Pulteney ; thrown up on the shore continually 
covered with Algw, Sepule, Corallines, only met with ten 
living specimens, W. Thompson ; H. R. Sykes. 
