96 
HELICIB^. 
ii. 207.; Jeffreys^ Linn. Trans, xiii. 511. — Zonites radiatulus. 
Gray., Man. 173. t. 12. f. 137. Forbes and Hanley., B. M. 
iv. 38. t. 121. f. 1. — Z. (Aplostoma) striatulus. Moq. Tand. 
Moll. Franc, ii. 86. t. 9. f. 19—21. — Helix nilidula. Pfeiffer., 
Michaud. — Helix nitidula /3. Drop.— Helix brevipes. Tur- 
ton, Man. ed. 1. t. 5. f. 50.(??) 
Var. 1. Vitrina, transparent, greenish white : Helix vitrina. 
Ferussac, Prod. 
Inhab. woods, &c. in wet moss. {Gray^ 1821). 
Animal black. 
Shell about one twentieth of an inch in diameter. 
This species may be distinguished from the young 
of the other Zonites by the regular and more dis- 
tinct stride, and particularly by the flatness of the 
whorls at their junctions. 
30. 6. Zonites lucidus. Lucid Snail. — Shell de- 
pressed, rather convex, thin brownish horn- 
colour, transparent, shining, finely striated, 
whorls or 5 ; umbilicus large, exposing the 
second whorl; aperture roundish, (t. 4. f. 38.) 
Helix lucida. I)rap. Hid. 103. t. 8. f. 11, 12. (not Montagu'); 
Brard, 34. t. 2. f. 3, 4.; Gray, Med. Repos. 1821, 239.; 
Turton, Man. ed. 1. 56. f. 38. (not 40.) — Helix nitida. 
Muller, Verm.; Alder. Mag. Zool. and Bot. ii. 107. ; Jeffreys, 
L. T. xvi. 339. — Helix tenuis. Dillwyn, R. S. ii. 913. — 
Helix Hammonis. Sti'om, Act. Nedross, iii. 435. t. 6. f. 16. — 
Helix nitens. Gmelin, S. N. 3633. — Helix succinea. 
Studer in Coxe's Travels. — Oxyehilus lucidus. Fitz. Syst. 
100. — Tachychlamys lucida. Benson, P. Zool. Soc. 1834, 89. 
— Polita lucida. Held. Isis, 1837, 916. — Helicella nitida, 
and H. succinea. Beck, Ind. 6. — Zonites lucidus. Gray, 
Man. 174. t. 4. f, 38. — Zonites nitidus. Forbes and Hanley, 
B. M. iv. 39. t. 120. f. 4. 7. — Zonites (Aplostoma) nitida. 
Moq. Tandon, M. Franc, ii. 72. t. 7. f. 11 — 15. 
Inhab. moist ditches and marshy places. 
Animal black or blackish grey ; foot and lower 
