HELIX. 
143 
of H. rotundata (t. 10. f. 9.), and H. lenticula (t. 10. 
f. 13.) is striated in front, and crenated on the edge ; 
somewhat like those of Bulimus. 
60 . 27. Helix pygmcEa. Pygmy Snail. — Shell 
rather convex, pale chocolate-brown, semitrans- 
parent ; aperture semilunar ; umbilicus large, 
(t. 5. f. 46.) 
Helix elegans. Sheppard's MSS. Brit Mus. — Helix pygmasa. 
Drap. p. 114. t. 8. £ 8—10.; Gray. Med. Bep. 1821, 239.; 
Turton, Man. ed. 1. 61. f. 46.; Nilson, Suec. 32. ; Jeffreys., 
Linn. Trans, xiii. 343.; Rossm. Icon. viii. f. 532.; Forbes and 
Haidey, B. M. iv. 83. t. 121. f. 9, 10. — Zonites rupestris. 
jun. Leach., Molt S. 78. — H. (Delomphalus) pygmea. Moq. 
Tandon., Moll. Franc, ii. 102. t. 10. f. 2 — 6. — Helix Kirbii. 
Sheppard, Linn. Trans, xvi. 162.; Jeffreys, Linn. Trans. 
xiii. 512.^ — Helix minuta. Sluder, in Coxe's Travels, iii. 
428. — Discus pygmseus. Fitz. Syst. 99. — Patula pygmaea. 
Held. Isis, 1837, 916. — Euryomphala pygmasa. Beck, Ind, 
9. — Zonites pygmaeus. Gray, Man. 167. t. 5. f. 46. 
Inhab. ditches and wet places, among dead leaves. 
{Gray, 1821.) 
Shell half the size of the last, of a pale and 
hardly transparent brown horn-colour, slightly 
striate, equally convex on both sides, with the apex 
usually whitish as if decorticated, with four well 
defined volutions ; aperture roundish crescent-shaped, 
as long as it is wide ; jaw slender, striated, and 
crenulated. 
61. 28. Helix umhilicata. Open Snail. — Shell 
convex, somewhat trochiform, blackish-brown, 
opaque, striolate ; aperture nearly circular ; 
umbilicus very large, (t. 5. f. 45.) 
Helix umbilicata. Mont p. 434. t. 13. f. 2. ; Jeffreys, Linn. 
