54 



more or less wrinkled, glossy amber-colour : aper- 

 ture crescent-shaped, very thin, as long as broad^ 

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

 depression, and sometimes may be observed a 

 minute perforation or umbilicus. 

 Dr. Leach does not seem to have been acquainted 

 with this beautiful species. 



Tn woods, among decayed leaves, rather rare. 



'j-j-'j-f' The mouth without the internal rib, and 

 the umbilicus open and central. 



37. Helix Ericetorum. Shell flat, semitransparent, 

 grey or brownish, and generally banded : aperture 

 roundish : umbilicus very large and deep. 



Helix Ericetorum. Montagu, p. 437. t. 24./. 2. 

 Zonites Ericetorum. Leach, Mollusc, p. 101. 

 Helix Cespitum, b. Drap. p. 109. t. 6.f. 16, 17. 

 Helix Ericetorum, Brard, p. 45. t. 2. f. 8. 

 Helix Erica. Da Costa, p. 52. t. 4./. 8. 



Shell nearly an inch in diameter, much depressed at 

 top, slightly striolate, of a grey or rusty-brown 

 colour, with generally a brown band above con- 

 tinuing round the edge of the smaller volutions ; 

 sometimes the bands are so obliterated as to be 



