HELIX. 915 



HISPIDA. 64. Shell umbilicated, convex, hispid, dia- 

 phanous, with five whirls; aperture roundish- 

 lunated. 



Helix hispida. Linriaus Syst. Nat. p. 1244. Midler Ferm. 



ii. p. 73. Da Costa Brit. Conch, p. 58. t. 5. f. 10. 



Schroeter EinL ii. p. 141. Chemnitz, ix. part 2. p. 52. 



1. 122. f. 1057 and 1058. Gmelin, p. 3625. Montagu 



Test. p. 423. t. 23. f. 3. Maton and Racket, in Lin. 



Trans, viii. p. 198. Dorset Cat. p. 54. t. 21. f. 10. 

 La Velout^e. Geoffroy, p. 44, No. 1 1, t. 2. 

 Petiver Gaz. t. 93. f. 13. 

 Inhabits Sweden. Limiaus. France. Geoffroy. Denmark 

 and Switzerland. Midler. Wet and shady places iu Eng- 

 land. Da Costa, S^c. 

 Shell about a quarter of an inch long, and the breadth some- 

 what exceeds the length ; it is sub-globular, thin, brittle, and 

 diaphanous, with five rounded whirls covered with fine thick- 

 set short downy hairs ; umbilicus small. The young of H. 

 riifescens are hairy, and have been mistaken for this species ; 

 but they differ in being flatter and more opaque, and in 

 having the umbilicus much larger. 



UMBILICATA. 65. Shell sub-conical, semi-pellucid, 

 with five rounded striated whirls, and the 

 umbilicus very large. 



Helix umbilicata. Montagu Test. p. 434. 1. 13. f. 2. Ma- 

 ton and Racket, in Lin. Trans, viii. p. 200. Dorset 

 Cat. p. 54. t. 19. f. 24. 



Inhabits walls near Tenby, and some parts of England, under 

 tiles and loose stones. Montas^u. 



Shell about one-tenth of an inch in diameter, and the length 

 not quite so much ; it differs from young shells of H. rotun- 

 data in having the spire more produced, in not having the 

 least appearance of a carinated edge on the body-whirl, and 

 in being much less strongly striated ; it is of an uniform dark 

 horn-colour. 



cosTATA. QG. Shell slightly depressed, with four 

 transversely plaited whirls ; aperture round, 

 and the outer lip white and reflected. 



Helix costata. Muller Verm. ii. p. 31. Gmelin, p. 3QS3. 

 Inhabits high places about Frederickdal in Denmark, very rare. 

 Muller. 



