132 HELICIDjE. 



49. 16. HELIX fusca. Brown Snail. Shell sub- 

 globose, wrinkled, transparent, very brittle, 

 rather flexible, amber-coloured, bald ; aperture 

 lunate ; umbilicus very narrow ; peristome thin, 

 (t 4. f. 36.) 



Helix fusca. Mont. p. 424. t. 13. f. 1. ; Turt. Diet. p. 946. 

 Man. f. 36.; Jeffreys, Linn. Trans, xvi. 321. 391. 507.; 

 Alder, Mag. Z. and B. ii. 107.; Pfeiffer, Mon. Hel \. 32. 

 Forbes and Hartley, B. M. iv. 77. t. 1 19. f. 45. t. G G G. f. 4. 

 t. 132. f. 10. Zonites fuscus. Macgilliv. Moll. Aberd. 93. 

 Helix revelata. Bouch. Moll. Pay. de Cal. 44., not Fentssac. 



Helix subrufescens. Miller, Ann. Phil iii. 379. 1822. 

 Helix (Zenobia) corrugata. Gray, Med. Rep. 1821, 239. 



Inhab. damp woods among decayed leaves and 

 thick herbage, and on the under side of the leaves 

 of alders, &c. 



Animal yellowish ; tentacles long. 

 Fig. 37. Shell three eighths of an inch in dia- 

 meter, and a quarter of an inch high, very 

 thin and pellucid, more or less wrinkled, 

 glossy amber-coloured ; aperture crescent- 

 shaped, very thin, as long as broad, re- 

 flected only at the pillar-angle, where there is a 

 minute perforation, (fig. 37.) 



so. 17. HELIX rufescens. Rufous Snail. Shell 

 flattish, bald, reddish horn -colour, concentri- 

 cally striate, slightly carinated by a narrow 

 central paler band ; whorls six ; mouth roundish 

 lunate; umbilicus large and deep. (t. 11. f. 

 28. ; t. 3. f. 22. 28*.) 



Helix clandestina. Born. Mus. Vend. Helix rufescens. 

 Penn. B. Z. f. 34. ; Montagu, p. 420. t. 23. f. 2. ; Fer. 

 Prod. 44.; Turton, Man. ed. 1.37. f. 28.; Jeffreys, L. T. 

 xiiL 337. Forbes and Hanley, B. Moll. iv. 68. t. 118. f. 4. 7. 



Teba rufescens. Leach, Moll. Syn. 70. Helix glabella. 



