HELIX. 



177 



d. Aperture toothed. 

 37. HELIX PROFUNDA, Sat. 

 Plate XXII. 



H. testa orbiculato-depressa, late umbilicata, luteo-cornea, 

 lineis fuscis cincta ; anfractibus striatis, striis confertis obli- 

 quis ; apertura orbiculari ; labro albo, ad basim sub-uniden- 

 tato ; margine reflexo. 



SYNONYMS AND EEFEEENCES. 



Helix profunda. Say, Journ. Acad. II. 160, anno 1S21. 



American Conchology, No. 4, pi. 37, f. 3. 



Ed. Cheuu, pi. 13, f. 2 b. 2 c. 

 KiETLAND, Ohio Report, 173. 

 Sagek, Michigan Catalogue, 14. 

 BiNNEY, Boston Journ. Nat. Hist. III. 377, pi. 15. 

 Chemnitz, 2 ed. tab. 77. f. 14-16. 

 Pfeiffer, Monog. Helie. Viv. I. 382. 

 Helix Ridmrdi, Ferussac, Tab. Syst. 43 ; Hist. pi. 70, 3 lower figs. 

 Lamarck, loc. cit. VI. 72. 

 Deshayes, Enoyo. Meth. II. 212; in Lamarck, VIII. 40. 



DESCEIPTION. 



Animal light brown, darker on the head, neck, and 

 tentacles, and pale on the posterior extremity; foot 

 rather thick, in length less than twice the diameter of 

 the shell, terminating acutely. 



Shell depressed-convex ; epidermis yellowish horn- 

 color, with reddish-brown, revolving lines and bands ; 

 whorls from five to six, convex, obliquely striated with 

 delicate and regular raised strise ; suture distinct ; 

 aperture almost circular, a httle contracted by the lip, 

 VOL. n. 45 



