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, Miiller, Verm. ii. 226. var. a. ; 1774, Petiuer, 

 Gaz. t. 93. f. 18. — Helix itala. Linn. S. N. 1-245. 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.; 

 Pfeiffer, 39. t. 2. f. 24, 25. — Helix erica. Ba Costa, p. 58. 

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

 f. 122. 1779. — Helix striata. Midler, Fenn. 38., dead. — 

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

 torum. Fitz. Si/st. 100. — Helicella ericetorum. Risso, E.M. 

 iv. — Tlieba ericetorum. Beck. Ind. 13. — Xerophila erice- 

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

 glecta. Ilartmann. 



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 



