



PLATE CXXXVI. 



HELIX ARBUSTORUM. 



SINGLE-STREAK SNAIL. 

 GENERIC CHARACTER. 



Aperture of the mouth contracted and lunulated. 



SPECIFIC CHARACTER. 



Shell umbilicated, convex, aperture somewhat orbicular, lip reflected, 

 with a single dark spiral band. 



Helix ArbusTorum: testa umbilicata convexa acuminata, aper- 



tura suborbiculari bimarginata : antice elongata, 

 Linn.Sj/st. Nat. p. 1245. No. 680. 



Cochlea testa utrinque convexa subcinerea : fascia solitaria grisea, 



labro reflexo. Linn. Fn. Suec. 1 . p. 370, No. 

 1295. II No. 2184. 



Cochlea maculata, unica fascia pulla, angustioreque, per medium an- 

 fractus, insignita. List. H. An. Angl. p. 119. 

 tit. 4. tab. 2. jig. 4. 



Cochlea subflava maculata atque unica fascia castanei colons per me- 

 dium anfractus, insignita. Phil. Trans. No. 

 105. Jig. 4. 



