HELIX. 177 



d- Aperture toothed. 



37. HELIX PROFUNDA, SAY. 

 PLATE XXII. 



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

 lineis fuscis cincta ; anfractibus striatis, striis confertis obli- 

 quis ; apertura orbicular! ; labro albo, ad basim sub-uniden- 

 tato ; margine reflexo. 



SYNONYMS AND EEFEEENCES. 



Helix profunda, SAY, Journ. Acad. II. 160, anno 1821. 



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



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

 KIRTLAND, Ohio Report, 173. 

 SAGEE, Michigan Catalogue, 14. 

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

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

 PFEIFFEE, Monog. Helic. Viv. I. 382. 



Helix Rickardi, FEEUSSAC, Tab. Syst. 43 ; Hist. pi. 70, 3 lower figs. 

 LAMAECK, loc. cit. VI. 72. 

 DESHAYES, Encyc. Meth. II. 212 ; in Lamarck, VIII. 40. 



DESCRIPTION. 



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 little contracted by the lip, 



VOL. ii. 23 



