HELIX. SNAIL-SHELL. 
67 
Shell conic-oval, semitransparent, somewhat glossy, 
slightly wrinkled longitudinally : spires six, whitish, .with 
sometimes a rufous spiral band round the middle of the 
larger volution, which continues round the edge of the 
other, but growing fainter and becoming indistinct in the 
fourth volution ; sometimes there are three bands, the 
middle one narrower, with one or two on the second volu¬ 
tion, the rest being covered over with the hand, except at 
the junction; and in some the hands are broken into lon¬ 
gitudinal streaks j hut in British specimens all these mark¬ 
ings are generally wanting: aperture oval 5 the inner-lip 
alittle reflected over the pillar and forming a slight hollow 
behind it: length three quarters ; breadth half an inch. 
Weymouth and Dublin, in fresh water: rare. v. v. 
57* Helix succiqea. Amber Snail-shell. 
Dorset Cat. pi, IB. f. 19. 
Helix putris. Montagu, pi. 16. f. 4— Donovan, pi. I 681 
f. 1 . 
Shell extremely thin and brittle, transparent, glossy, ob¬ 
long, pointed, amber-color or reddish-yellow: spires three, 
the first very large, oblong hut not tumid, covering four 
fifths of the shelly and the next much larger than the ter¬ 
minal one which is rather obtuse : aperture wide oval, 
reaching down two-thirds of the shell, the inner-lp thick¬ 
ened and rounded, but not reflected nor forming the least 
perforation ; the outer-lip extremely thin, often membra¬ 
naceous and elastic: length about half an inch, and a quar¬ 
ter wide. 
On aquatic plants, v v. 
t 58. Helix putris. Puddle Snail-shell. 
lister, pi. 123. f. 23 —Pennant, pi. 89. f. 3— Da Casta, 
pi. 5. f. 13— Dorset Cat . pi. 21. f. 13. 
Helix peregra. Montagu , pi. 16. f. 3. 
Shell thin, semitransparennt, oval, rather obtuse, longi¬ 
tudinally wrinkled, yellowish or horn-color, often covered 
with a'^dark-brown skin:.spires four, rounded, the first 
very large and tumid aperture very large, oval, reaching 
down three : fourths of the shell 5 outer-kp. thijiy inner4'»p 
thickened. 
