HELIX. 119 



Dr. Fleming (Brit. Anim.) thought that the Helix 

 cochlea of Brown (Wern. Trans, ii. t. 24. f. 10.) and 

 H.terebra Turton (Conch. Diet. 161. t. 14. f. 55.) 

 was probably a produced variety of this shell ! 



f. Shell depressed, transparent, um bilicated ; mouth 

 round; peristome rejlexed, continued; epiphragm 

 membranaceous. (Zurama Leach.) 



42. 9. HELIX pulchella. White Snail. Shell 

 opaque-white or brownish, depressed, equally 

 convex on both sides ; aperture nearly circular, 

 with the margin flat and reflected, (t. 5. f. 49.) 



Helix pulchella. Mutter, Verm. 232. t. 5. f. 49. ; Drap. p. 112. 

 t. 7. f. 3032. ; Brard, p. 56. t. 2. f. 9. ; Alder, M. Z. andB. 

 ii. 109.; Gould, Invert. Mass. 176. f. 102. ; Forbes and Hanley, 

 B.M. iv. 78. t. 119. f. 8, 9, 10. Helix paludosa. Walker, 

 T. M. R. f. 23. ; Mont. p. 204. ; Linn. Trans, viii. p. 193. t. 4. 

 f. 5. Turbo paludosus. Dorset Cat. 52. t. 19. f. 25.; Turt. 

 Diet. p. 228. Turbo helicinus. Lightfoot, Phil. Trans. 1786, 

 Ixxvi. t. 3. f. 1 4. . Zurama pulchella. Leach. Moll. Syn. 

 78. Helix minuta. Say. Jour. Acad. Phil. i. 123. Am- 

 plexus paludosus. Brown. Amplexus crenellus. Brown. 

 Vallonia Rosalia. Risso, Eur. Merid. Lucena pulchella. 

 Hartmann, t. 1. f. 6. 



Var. 1., more solid, with regular oblique raised transverse striae : 

 Helix pulchella. Drap. p. 112. t. 7. f. 30 32. Helix cre- 

 nella. Mont. T. B. p. 441. t. 13. f. 3. Helix costata. Mutter, 

 Verm. ii. 31.; Alder, Mag. Z. andB. ii. 109. Helix (chilo- 

 stoma) pulchella. Charpent. Schweiz. Gess. Nat. i. 8. 1837. 

 Helix crystallina. Dittw. R.S. ii. 909. Chilostoma pul- 

 chellum. Fitz. Syst. 93. Corneola pulchella. Held.Isis, 1837, 

 912. Circinaria pulchella. Bech, Ind. 23. 



Inhab. under stones and on walls, &c. 



Animal white or whitish ; upper tentacles longish, 

 slender, cylindrical, lower short; eyes black. (Sturm, 

 t. 15.) Jaw narrow, striated in front, and minutely 

 crenulated on the edge. 



I 4 



