HELIX. 145 



variable in its charactei'S that it cannot be depended upon 

 alone, for specific distinctions. 



Large individuals resemble in general appearance H. 

 apj}ressa, Say. The epidermis is sometimes delicately 

 liirsute, and the aperture of a rose color. The lip is 

 occasionally destitute of one* or both teeth. The name 

 Selix inflecta, by which it is universally known in the 

 United States, and the description, were published in 

 1821 by Mr. Say, more than a year before it was noticed 

 by other naturalists, and several years before any other 

 description appeared. 



Lister's figure, Synops. Conch, tab. 93, fig. 93, pro- 

 bably represents this shell. 



•2-2. HELIX L.ORICATA, GoULD. 

 Plate XXIX. a. Figure 2. 



H. testa parva, depressa, flavo-viridi, arete umbilicata, 

 squamulis undique loricata ; spira. depressa, anfractibus 5J 

 convexiusculis, ultimo ad peripheriam superne subangulato ; 

 apertura lunata, trilobata, dente laterali, dente basali, et 

 dente columellari ringente ; peristomate reflexo, albo,' callo 

 copioso conjuncto. 



SYNONYMS AND HEFERENCES. 



Helix loricata, Gould, Proc. Bost. Soo. Nat. Hist. II. 165, Aug. 1S46. 



Exped. Shells, p. 17. 



Pfeiffee, Monog. Helic. Viv. I. 416. 



BESCRIPTION. 



Animal, not yet observed. 



Shell small, depressed, spire less convex than the 

 VOL. 11. 37 



