HELIX. 
127 
others have preferred Donovan’s name, printed in 
1800 ; but it is not the H, zonaria of Linna 0 us. 
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. Muller ^ Verm. ii. 226. var. a.\ 1774, Petiver.^ 
Gaz. t. 93. f. 18. — Helix itala. Linn. S.N. l^A5.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. ; Forhes and Hanley., 
B.M. iv. 61. t. 117. f. 4. — Zonites ericetorum. Leach., Moll. 
Syn. 7S. — Helix cespitum, b. Drap. p. 109. t. 6. f. 16, 17.; 
Pfeiffer., 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. Muller, Ferm. 38., dead. — 
Helix nivea. Gmelin, S. N. 3639., dead, — Oxycliilus erice- 
torura. Fitz. Syst. 100. — Helicella ericetorum. Bisso, 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. 
(^Sturniy 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 ate so obliterated as to be 
hardly visible ; aperture nearly orbicular, not much 
interrupted by the penultimate volution, longer than 
