316 
HELIX §. 59. 
juxta axin incrassatum, inferne dente albo instructum. (Jon.) — 
Diam. maj. 62, min. 53, ait. 35 mill. (ex ic.) 
Helix calomorpha Jonasn\W\ii^\n. ktch, 1839. I. p. 341. t. 10. 
T. obtecte perforata, depresso-globosa, confertissime costu- 
lato-striata, flava; spira parum elata vel depressiuscula; anfr. 572 
convexiusculi; apertura rotundato-lunaris ; perist. angulatim lato 
reflexum, intus album, nitidum, callosum, marginibus callo te- 
nuissimo, dentem compressum, linguiformem , oblique intrantem 
emittente junctis, columellari brevi, arcuato, dilatato. — Diam. • 
maj. 28, min. 23, ait. 17 mill. (Coli. Nr. 504.) 
Helix zaleta Say. Binn, in Bost. journ. L p. 492. t. 20. 
— — Chemn, ed. II. Helix N. 33. t. 10. f. 19. 20. 
— albolabris var. F4r. hist. t. 46 A. f. 6. 
T. obtecte perforata, depressa, tenuis, fusco-cornea, granu- 
lato-striata ; spira vix elevata; anfr. 5 subplanulati, ultimus obtuse 
angulatus, antice paululum descendens; apertura coarctata, sub- 
triangularis ; perist. tenue, angulato-reflexum, intus bidentatum: 
dente \ in margine dextro, altero transverso in basali; paries 
aperfuralis dente tertio linguiformi munitus. — Diam. maj. 21, 
min. 18, ait. 10 mill. (Coli. Nr. 505.) 
Helix palliata Say in Philad. journ. II. p; 132. 
— — Binn. in Bost. journ. III. p. 333. t. 7. 
— — Chemn. ed. II. Helix N. 371. t. 63. f. 13. 16. 
— denotata (Ilelicodouta) Fer. pr. 102. Hist. t. 49 A. f. 3. 
— — Lam. ed. Dh. 1 8 I . p. 113. 
— notata Desh. in Enc. meth. II. 48. 
— caroliniensh Lea obs. I. p. 112. t. 13. f. 33. 
Tridopsis palliata Beck ind. p. 22. 
Habitat in America boreali : Illinois et prope cataractam Niagarae 
(Say), frequentissima in provinciis occidentalibus (Binn.). 
824. H. zaleta Say. 
— J Pfr. Symb. II. p. 22. 
Habitat in America boreali: Ohio, Missouri, etc. 
Obs. Pro varietate H. albolabris (Couf. Nr. 757.) non sine jure haberi 
potest. ^ 
825. H. palliata Say. 
