LIMN^ADJE. 239 



* * STAGNICOLA Leach. 



Shell subconical or elongate ; whorls gradually en- 

 larging ; mouth generally shorter than the spire. 



91. 4. LIMNEUS 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. 



Limnseus palustris. Rossm. Icon. i. 96. f. 51, 52. 

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

 Lymnaea palustris. Lamarck, 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 



