inhabiting the United Sta 
**** Aperture toothed. 
$ 
. 92. HELIX PROFUNDA. 
Plate xy, 
H. testa orbiculato-depressa, latè umbilicata, luteo-cornea, lineis 
fuscis cinctà ; anfractibus tenuiter striatis, striis confertis Messi 
apertura orbiculari ; labro albo, ad basim sub-unidentato; margine r 
flexo. 
Synonyms AND REFERENCES. 
Helix profünda, Say. . Journ. A. N. S. Philad., H. 
s mM icc a 
Say. American li a No. £ PL. 
: '. XXXVII, fig. 3. 
Helix Richàrdi, Lamarck. Anim. sans Vat, 2d 
"edit, VILL. 40. 
Férussac. Hist. des Moll. PI. vi, 3 lower — 
figures 
‘Deshayes. EL F Mith., Vers, II. 219. 
gradu AR 
Animal. Light biown, darker on the head, ied, 
and tentacule,; and. pale on the posterior extremity ; 
foot rather thick, in length less than twice the 
diameter of the shell, terminating acutely. 
Shell. Depressed, slightly convex; epidermis 
yellowish horn-color, with reddish-brown revolving 
lines and bands; whorls from five to six, obliquely 
striated with delicate raised stri? ; suture distinct ; 
aperture almost circular, a little contracted by the 
lip; lip white, reflected, and flattened, with a slightly 
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