HELIX. 143 



21. HELIX INFLECTA, SAY. 

 Plate XLV. Figuee 3. 



H. testa orbiculato-depressa, imperforata, corneo-lutes- 

 cente, rare hirsuta ; anfraiiibus striatis, striis minutis, 

 obliquis ; apertura angustissima, trilobata ; labro albo, denti- 

 bus duobus, acutis, inflectis, armato ; margine reflexo ; 

 regione umbilicali impressa ; dente albo, arcuato ad colu- 

 mellam affixo. 



SYNONYMS AND KEFEKENCES. 



Helix inflecta, Say, Journ. Acad. II. 153, anno 1S21. 

 KiRTLAND, Ohio Report, 173. 

 Sager, Michigan Catalogue, 14. 

 BiNNEY, Boston Journ. III. 358, pi. 9, f. 1. 

 Hdix dausa, FtEnssAC, Tab. Syst. 38, No. 104. 

 Hist. pi. 51, f. 2. 

 Deshayes, Eneyc. Meth. II. 230. 



in Lamarck, VIII. 114. 

 Pfeiffek, Monog. Helic. Viv. I. 420. 

 Chemnitz, 2d ed. t. 64, f. 25, 26. 

 GoTwstovia clausum, Held, Isis, 1837. 

 Tridopsis iriflecta. Beck, Index, 22. 



DESCRIPTION. 



Animal dark bluish slate color, head and tentacles 

 almost black ; superior tentacles long and slender ; foot 

 narrow, in length more than twice the diameter of the 

 shell, terminating in an acute angle. 



Shell depressed ; epidermis brownish horn color, 

 sometimes with very fine, hair-hke projections ; whorls 

 five, with very minute, transverse striise ; suture not much 

 impressed ; aperture three-lobed, very much contracted ; 



