ZONITES. 
91 
four, under side slightly tinged with opaque 
white ; umbilicus rather large (t. 4. f. 39.). 
Helix alliaria. Miller^ Ann. Phil. n. s. vii. 379. ; Alder Cat. 
12. n. 48. ; Mag. Zool. and Bot. ii. 108. ; Turton., Man. ed. 1. 
66. f. 39. — Helix nitens. Sheppard., Linn. Trans, xvi. 160. 
— Helix lurida. Studer., Verz. S. C.-~ Helix tenera. Hartm. 
N. A. i. 232. — Polita glabra. Held, in Isis., 1837, 619. — 
Helicella glabra. Beck. Ind. 6. — Zonites alliarius. Gray., 
Man. 168. t. 4. f. 39. ; Forbes and Hanley. B. M. iv. 34. t. 
120. f. 5, 6. — Zonites (Aplostoma) alliarius. Moq. Tand. 
Moll. Franc, ii. 83. t. 9. f. 9— -11. — Helix foetida. Stark., 
Elem. N. Hist. ii. 59. ; Brown. Brit. Shells, t. 40. f. 48 — 52. 
— Helix alliacea. Jeffreys. Linn. Trans, xiii. 341. 511. — 
Helix nitida. Shepp. Linn. Trans, xiv. 160. (?) 
Yar. 1., transparent greeni.-h white. 
Var. 2., larger. Alder. Mag. Zool. and Bot. ii. 108. — Helix 
glabra. Sluder. Ferns. Prod. ii. 215. 
Inhab. woods, under stones, decayed leaves, and 
moss. (ilfr. Miller.) 
Animal black ; tentacles short, cylindric, emitting 
a strong smell of garlic v/hen irritated. 
Shell about one quarter of an inch in diameter. 
It differs from Z. cellaria in being not above one 
third the size, and more convex, in having the aper- 
ture less oblique, the umbilicus larger, and the white 
on the under side not so well defined ; from Z. niti- 
dula^ in being smaller, and in its bright glossy lustre 
and transparency. 
Dr. Johnston does not consider II. nitida and H. 
nitidula as distinct from H. alliaria of Miller ; he 
found all under one stone, selected four nearly of 
one size ; and none of them had any garlic smell 
when alive, but on immersing them one by one in 
hot water, two emitted a very strong garlic-like 
odour ; in one it was faint, and in the other it was 
