96 HELICID^. 



ii. 207.; Jeffreys, Linn. Ti-an.t. xiii. 511. — Zonites radlatulus. 

 Gray, Mmi. 173. t. 12. f. 1;17. Forbes and Haiiley, B. M. 

 iv. 38. t. 121. f. 1. — Z. (Aplustnma) striatulus. Moq. Tand. 

 Moll Franc, ii. 86. t. 9. f. 19-21. - Helix nilidula. Pfeiffer, 

 Michmid. — Helix nitidula /■5. Drap. — Helix brevipes. Tur- 

 ton, Man. ed. 1. t. 5. f. 50.(??) 

 Var. 1. Vitriiia, 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 stria?, 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 4^ or 5 ; umbilicus large, exposing the 

 second w4iorl; aperture roundish, (t. 4. f. 38.) 



Helix lucida. Drap. Hist. 103. t. 8. f. 11, 12. (not Montagu); 

 Brnrd, 34. t. 2. f. 3, 4.; Gray, Med. Repos. 1821, 239.; 

 Tnrfon, Man. ed. 1. 56. f. 38. (not 40.) — Helix nitida. 

 Midler, Verm.; Alder. Mag. Zool. and Hot. ii. 107. ; Jeffreys, 

 L. T. xvi. 339. — Helix tenuis. Dillwyn, R. S. ii. 913.— 

 Helix Hammonis. Strom, Act. Nedross, iii. 435. t. 6. f. 16. — 

 Helix nitens. Gmelin, S. N. 3633. — Helix succinea. 

 Studer in Coxe's Travels. — Oxyeliilus lucidus. Fitz. Si/st. 

 100 — Tachjchlamys lucida. Benson, P. Zool. Soc. 1834, 89. 

 — Polita lucida. Held. Isis, 1837, 916. — Helicella nitida, 

 and II. succinea. Beck, lad. 6. — Zonites lucidus. Gray, 

 Man. 174. t. 4. f. 38. — Zonites nitidus. Foi-bes and Hanley, 

 B. M. iv. 39. t. 120. f. 4. 7. — Zonites (Aplostoma) nitida. 

 Moq. Tandon, M. Fi-anc. ii. 72. t. 7. f. 11—15. 



Inhab. moist ditches and marshy places. 



Animal black or blackish grey ; foot and lower 



