THE MOLLUSCA OF DORSETSHIRE. 29 
SCAPHANDRIDZ, 
SCAPHANDER, Montfort, 1810. 
103. S. lignarius, ZL. 
Pulteney, p. 43, pl. 23, f. 9. Da Costa, p. 26. 
Weymouth Bay, W. Thompson. 
Portland (one specimen), KH. R. Sykes. 
Da Costa mentions having received this shell from 
Dorsetshire. 
Fossil: Coralline and Red Crag, 
AKERIDZ. 
AKERA, (Miill.) 1776. 
104. A. bullata, fii. Bulla akera, Gmel. 
Pulteney, p. 43, pl. 22, f. 13. 
Forbes and Hanley, Vol. iii., p. 527, pl. 114p, f. 4, 5, 6. 
Inhabits the Littoral zone among Zostera; is only locally 
abundant. 
Poole, Ham shore, 7. Racketts. 
The Fleet, five miles above Portland Bridge, where it is very 
small, £. R. Sykes. 
Weymouth, the mud at high water-mark is fringed with 
them, S. Hanley ; among Zostera, W. Thompson. 
Poole, Barlee ; Poole Harbour, back of Hook, dredged, 
living, Dr. Turner ; Harbour, shore near the mouth, south 
side, thrown up dead very abundant, J. C. AL-P. 
HAMINEA (Leach), Gray, 1847. 
105. H. hydatis (Z.) Bulla hydatis, Z. 
Pulteney, p. 43, pl. 23, f. 10. 
Forbes and Hanley, Vol. iii., p. 530, pl. 1140, f. 7. 
Inhabits the Laminarian zone. 
Portland Roads, dredged (alive), 2. BR. Sykes, 
Weymouth, Jeffreys. 
Poole, on the sands within the Harbour, Dilwynn; back of 
“ Hook” and ‘ Lake” within the Harbour, Dr. Turner. 
Swanage Bay, dredged, J. C. M.-P. 
