92 



not perceptible. It would appear, therefore (he 

 continues), that the animal has the power to retain 

 or emit its peculiar odour at pleasure, and that in 

 death its emission may be prevented by accidental 

 circumstances : he thinks it arises from the yellow 

 fluid pressed out about the head. 



26. 2. ZONITES cellarius. Cellar Snail. Shell flat, 

 pale yellowish horn-colour, transparent, shining, 

 very slightly wrinkled, with 5 or 5 whorls ; 

 the under side clouded with opaque white ; um- 

 bilicus moderately large, exposing the second 

 whorl, (t. 4. f. 40.) 



Helix cellaria. Mutter, Verm. 28.; Lam. Hist, vi.; Alder, Cat. 

 12. n. 47.; Mag. Zool. and Bot \\. 208. Helix nitida. Drop. 

 Moll. 117. t, 8. f. 23. 25.; Brard, 31. t. 2. f. 2. Zonites 

 celliirius. Gray, Manual, 170. t. 4. f. 40.; Forbes and Han- 

 ley, B. M. iv. 33. t. 120. f. 1, 2, 3. t. H H H. f. 3. Oxy- 

 cbilus cellaria. Fitz. Sys. t. JOO. Polita cellaria. Held. 

 IMS, 1837, 906. Helicella cellaria, and H. Draparnaudii. 

 Bec^ hid. 6. Zonites (Aplostoma) cellarius. Moq. Tand. M. 

 Franc, ii. 78. t. 9. f. 1, 2. Vortex cellaria. Ohen, Lehrb. iii. 

 314. Helix nitens. Maton and Racket, Linn. Trans, viii. 

 198. t. 5. f. 7.; Fenissac, Prod Helix lucida. Montag. T. 

 B. 425. t. 23. f. 4.; Turt. Man. ed. 1. f. 40. Zonites lucida. 

 Leach, Moll. Syn. 75. 



Inhab. under stones in fields and woods, and in 

 cellars and yards in cities. 



Animal pale grey, white when young. 

 Shell rather less than half an inch in diameter, 

 but sometimes growing to nearly three quarters of 

 Fig 32 an i ncn > glossy, and irregularly 



striate, with 5 or 5^ volutions, 

 which are well defined by the 

 suture ; underneath milky-white, 



