HELIX.— Plate CXIX. 



Edgar's Helix. Shell imperforated, lenticular, more 

 convex beneath, arcuately striated, very miimtcly de- 

 cussated with spiral impressed lines, transparent 

 whitish ; whorls five, flatly convex, the last keeled at 

 the periphery ; aperture very narrow, horizontal, 

 contracted by an elongated tooth which is slit in 

 the middle and a lamina ; lip thickened anteriorly 

 and erect. 



Carocolla Edgariana, Lea, Pro. Americjin Phil. Soc. 1841, 

 vol. ii. p. 31. 



Ilab. Cumberland Mountains, Tennessee, North America. 



Closely allied to //. Mrsnta in the form and dentition of 

 the aperture, but of a difTerent texture and sculpture. 



Species 704. (Mus. Cuming.) 



Hei.ix clausa. Hel. testa ohtecte umbUkald, orbiculato- 

 convexd, granulato-striatd, pudesce7ite, griseu-fmcd ; 

 ■ipird brevi ; anfractibm qidnque, convexiusculis, ultimo 



ad aperluram tuperm- gihhoso, lateraliter coiutricto . 

 aperlurd coarctald ; perutouiate rejlexo, intu» ca/loso, 

 margine dextro dente majore intrante, ha*ali dente 

 minore margiiiali, munitis, pariete aperturali dftitf ler- 

 tio lingu\fomii intrante priedilo. 



The closed Helix. Shell with a covered umbilinis, 

 orbicularly convex, granularly striated, pubescent, 

 ijreyish-brown ; spire short ; whorls five, slightly con- 

 vex, the last gibbous about the aperture at the upper 

 part, constricted at the side ; aperture contracted ; 

 lip reflected, callous witliiii, right margiji furnished 

 with a large entering tooth, lia=,d margin nith a 

 smaller upon the edge, wall of the aperture mth 

 a tliird tongue-shaped entering tooth. 



Rafinesque, Ferussac, Hist. Moll. pi. h\A. i. 

 Helix injlecta. Say. 



Hub. Missouri, Carolina, North America. 



A rather solid shell, covered with very fine pubescent 

 hairs. 



