THE MOLLUSCA OF DORSETSHIRE. 21 
LIMNZA, Zam. 
73. L. peregra, Mill. Helix putris, Pen. 
Pulteney, p. 56, pl. 12, 613, and pl. 21, f. 13. 
Generally distributed. 
Var. succineformis, Jef. Extremely common. 
Var. labiosa, Jeffreys. Morden Park Lake, J. C. M.-P. 
Lo55cL Portland, Quaternary bed, cliff near the Bill, and at Chesilton, 
Prestwich. 
74. L. auricularia (Z.) Helix auricularia, Z. 
Pulteney, p. 21, pl. 56, f. 17. 
Marshes, slow streams, ponds. 
Less common than the preceding. 
Generally distributed. 
Wareham, Stoborough Meadows, J. C. M.-P. 
Spettisbury, Stour, J. C. 11.-P.; Weymouth, Damon. 
Var. acuta, Jeff. 
Mr. Jeffreys says: ‘It is apt to be infested, as well as its 
congeners, by an annelid allied to the Nats vermicularis 
of Miiller, which usually takes up its abode between the 
neck and mantle and over the tentacles of the mollusc, 
incessantly vibrating, and apparently not parasitic but 
feeding on animalcules.” Brit. Conch., Vol. 1, p. 109. 
75. L. stagnalis (Z.) Helix stagnalis, LZ. 
Pulteney, p. 55, pl. 21, f. 11. 
Slow rivers, ponds, and marshes. 
East Lulworth, Kendall. 
Holwell, H. H. Wood. 
Weymouth, Damon. 
Bryanston, river Stour, J. C. ML-P. 
Chamberlaynes, Bere Regis river; Almer, in a pond near the 
turn off to Spettisbury, J. C. AL-P. 
Wareham, Stoborough meadows, ditches, J. C. M.-P. 
