136 HliLICID^. 



19. HELIX PALLIATA, SAY. 

 Plates XIV., XV. 



H. testa orbiculato-depressa, imperforata, castanea, liir- 

 suta ; anfractibus minute striatis ; apcrturii nngusta, trilo- 

 bata ; labro albo, late reflexo, dentibiis duobiis instructo ; 

 columella dente unico sub-arcuato, armata. 



SYNONYMS AND EEFEKENCES. 



Hdixpcdliata, Say, Joum. .Acad. II. 152, anno 1S21. 



KiKTi.AND, Ohio Report, 173. 



Sageb, Michigan C'ataU>gnf, 14. 



BiNNEY, Bosl. Jour. Nal. Hi.*t. 111. 353, pi. 7. 



De Kay, New Yorlc Keporl, 31. 



Adams, Mollusca, 9. 

 Hduc obstricta, Say, loc. cil. II. 154. 

 lldix denotata, Feeussac, Tab. 38, No. 102, anno 1822. 



Hist. &c. pi. 49. a. f. 5; ph 50. a. f. 7. 



Deshayes in LamareU, VIII. 115. 

 Helix notata, Deshayes, Encyo. Melh. II. 224, No. 2S. 

 Helix Carolinicnsis, Lea, Am. Phil. Trans. IV. 108, pi. 15, f. 33. 

 CarocoUa hellcoides, Lea, loe. cit. IV. 159, pi. 15, ('. 34. 



DESCRIPTION. 



Animal. Of .a uniform, blackish, slate color over the 

 whole upper surface ; foot narrow, in length double the 

 diameter of the shell, and terminating in an acute point ; 

 superior tentacles one-third of an inch long ; eyes not 

 distinguishable from the general color. 



Shell depressed ; epidermis dark bl•o^^'n or chest- 

 nut color, and rough with minute, acute projections and 

 stiff hairs ; whorls five, flattened above and rounded 

 below, with numerous very fine, oljliquc striae ; aperture 



