LIMN^ADiE. 239 



* * Stagnicola Leach. 



Shell subcorneal or elongate ; whorls gradually en- 

 larging ; mouth generally shorter than the spire. 



91. 4. Limnveus pulustris. Marsh Mud Shell, (t. 7. 



f. 107.) Shell conic-oval, with six rather tumid 



volutions, the lower one somewhat angular by 



raised transverse and longitudinal striae ; mouth 



ovate ; throat brown or violet. 

 Limneus palustris. Drap. p. 52. t. 2. f. 40 — 42. 



and t. 3. f. 1, 2. ; Alder, 1. c. 114. ; Turton, Man. 

 ed. 1. 123. f. 107. 

 Limnaeus palustris. Rossm. Ieon. i. 96. f. 51, 52. 

 Lymneus palustris. Brard, p. 136. t. 5. f. 6, 7. 

 Lymnsea palustris. Lamarch, vi. ii. p. 160. 

 Stagnicola communis. Leach, Mollusc, p. 142. 

 Helix palustris. Gmelin, 3658. ; Mont. p. 373. t. 



16. f. 10. 

 Helix stagnalis, var. Penn. B. Z. 86. t. 13. f. 13. 



limosa. Linn. S. N. i. 1249. ? 



Buccinum palustre. Mutter, Verm. ii. 131. 

 Lymnea fragilis. Kenyon, Mag. N. Hist. ii. 425. f. e 

 Limneus communis. Leach ; Jeffreys, Linn. Trans. 



xvi. 276. 

 Limneus tinctus. Jeffreys, 1. c. 378 — 392. 

 Var. 1. apex decollated. Mag. N. Hist. vii. 161. 



f. 32. ; Linn. Trans, viii. t. 5. f. 8. (See f. p. 231.) 



In marshes and ponds. 



Animal yellow-brown or cinereous, speckled with 

 lighter colour. 



Shell three quarters of and inch long, brown 

 horn- colour, rather opake, suddenly sloping in a 



