HELICIDiE. 185 



b. Elisma Leach. 



Shell turreted, white, banded, covered with a thin per i- 

 ostraca ; whorls rapidly and regularly enlarging ; 

 mouth small ; peristome thin, scarcely refiexed. 



61.3. Bulimus acutus. Banded Twist Shell, (t. 6. 



f. 67.) Shell oblong, rather acute, coarsely 



wrinkled or striate, generally whitish, with brown 



streaks or bands. 



Elisma fasciata. Leach, Mollusc, p. 109. 



Bulimus acutus. Brug. E. M. 42.; Drap. p. 77* 



t. 4. f. 29, 30. ; Jeffreys, Linn. Trans, xvi. 346. 



Turbo fasciatus. Pennant, B. Z. i. 31. t. 8. f. 



119. ; Mont. p. 346. t. 22. f. 1. 

 Helix bifasciata. Pulteney, 49. ; Linn. Trans, viii. 



210.; Turton, Diet. p. 63. 

 Helix acuta. Muller, Verm. 110.; Dillwyn, p. 956. 

 Lymnaea fasciata. Flem. Ed. Ency. 

 Bulimus fasciatus. Turton, Man. ed. l.t. 84. f. 67. 



ventricosus. Turton, Man. ed. 1. t. 84. 



f.69. 

 Bulimus variabilis. Hartmann ; not Synon. 



articulatus. Drap. (not Turton, Man. 



ed. 1.). 

 On sandy maritime pastures, in the west of England 

 and Wales, Ireland and Scotland. 



Animal pale yellowish ; upper tentacles long, sub- 

 ulate, lower very short. 



Shell half an inch or rather more in length, and 

 about a third as much broad, oblong, semitransparent, 

 variously marked, but always coarsely wrinkled longi- 

 tudinally, and sometimes of a greyish colour with 



