HELIX. 127 



others have preferred Donovan's name, printed in 

 1800 ; but it is not the H. zonaria of Linnaeus. 



M. Moquin erroneously refers H. virgata of Da 

 Costa to //. pisana ; Da Costa specially described 

 our common heath snail, and not the Welsh one. 



46. 13. HELIX ericetorum. Heath Snail. Shell 

 depressed, semitransparent, grey or brownish, 

 and generally banded ; aperture roundish ; um- 

 bilicus very large and deep. (t. 4. f. 37.) 



Helix ericetorum. Mutter, Verm. ii. 226. var. a. ; 1774, Petiver, 

 Gaz. t. 93. f. 18. Helix itala. Linn. S. N. 1245. fide type-, 

 Montagu, p. 437. t. 24. f. 2. ; Turton, Man. ed. 1. 54. f. 37. ; 

 Brard, Coq. Paris, p. 45. t. 2. f. 8. ; Forbes and Hanley, 

 B.M. iv. 61. t. 117. f. 4. Zonites ericetorum. Leach, Moll. 

 Syn. 73. Helix cespitum, b. Drap. p. 109. t. 6. f. 16, 17.; 

 Pfeijfer, 39. t. 2. f. 24, 25. Helix erica. Da Costa, p. 58. 

 t. 4. f. 8. 1778. Helix albella. Penn. B.Z. iv. 132. t. 35. 

 f. 122. 1779. Helix striata. Mutter, Verm. 38., dead. 

 Helix nivea. Gmelin, S. N. 3639., dead. Oxychilus erice- 

 torum. Fitz. Syst. 100. Helicella ericetorum. Risso, E.M. 

 iv. Theba ericetorum. Beck. Ind. 13. Xerophila erice- 

 torum. Held. Isis, 1837,^913. Helix dubia, and H. ne- 

 glecta. Hartmann. 



On dry heaths and downs, on the stalks of the 

 larger plants ; on chalky soil near the sea. 



Animal greenish-white; foot slender, pellucid. 

 (Sturm, Fauna, t. 24.) 



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 

 hardly visible ; aperture nearly orbicular, not much 

 interrupted by the penultimate volution, longer than 



