33 



rally single, rarely double or triple, mostly simple, 

 but sometimes forked, the uses of which naturalists 

 have not yet ascertained, unless it be for sexual or 

 specific discrimination. 

 In the evening, and after showers, they crawl forth 

 in search of food ; and soon after the dawn of day 

 retire to their hiding places, under stones and other 

 sheltered repositories, and in close hedges. 



■f The mouth surrounded internally with a rib, 



and the umbilicus closed. 



23. Helix nemoralis. Shell somewhat globular, 



smooth, yellowish or brown and mostly banded, 



with the peritremeor margin of the aperture brown. 



Helix nemoralis. Linn. Montagu, 2^' 'ill* 



Drap.p. 94. t. 6.f. 3—5. 



Brard,p. 12. t. l.fg. 2 & 4. 



Tachea nemoralis. Leach, Mollusc, p. 84. 

 Cochlea fasciata. Da Costa,p. 76.t. 5./. 1,2,3,8,10. 



b. with the volutions much produced and de- 



tached from each other. 



c. with the volutions reversed. 



Shell hardly an inch in diameter, and about three 

 quarters high, glossy, semitransparent, finely 



