a ME. 
Diam- 6, altit. 3!/, lin. — Kentuky. 
20. Helix stigmatica Pfr. — T. orbiculato-depressa, um- 
bilicata, tenui, luteo-cornea , subdiaphana, minntissime granulata; 
spira plana; anfract. 4'/, convexis, primis horizontalibus , ultimo 
sensim descendente, rotundato; apertura fere orbiculari:  perist. 
simplice, acuto, ad umbilicum reflexo. 
Diam, 8'/,, axis 4 lin. — Cuba (E. Otto.). 
291. Helix (Helicella) cretica Fér. pr. 288. — T. WING 
cata, subglobosa, oblique striatula, sordide alba,. fasciis. fuscis 
interruptis varie picta; anfract. 6 convexiusculis, sensim accres- 
centibus; umbilico mediocri, pervio; apertura lunato-rotundata; 
perist. simplice, acuto, recto. 
Diam. 8, altit. 5 lin. — Insul. Archipelagi (Fér.) Differt: ab 
H. variabili praesertim anfract. lente crescentibus, umbilico. latiore 
et peristomate. 
29. Helix capensis Pfr. — T. umbilicata, glithong: de- 
pressa, tenui, opaca, nitidula, alba, punctis nigricantibus con- 
spersa, obsolete fusco-radiata; anfract. 4'/, vix convexiusculis : 
umbilico angustissimo, non pervio; perist. simplice, acuto: aper- 
tura magna, lunata, intus fulva. 
Diam. 2, altit. 3 lin. — Promont. bone spei. 
23. Helix vestalis Parr. — An — H. mirabilis Parr? 
(teste Anton.) — T. depressiuscula, umbilicata , solida , . nitida, 
nivea, apice nigricante; anfract. 5 — 5'/, convexiusculis;: ultimo 
multo latiore; umbilico angusto, pervio; apertura suborbiculari; 
peristomate simplice, marginibus approximatis. 
Diam. 6, altit. 3 — 35/, lin. — Aegyptus. (Parreyss.) 
24. Helix Spixiana Pfr. — H. perspectivà Wagn: test. 
brasil. p. 24. — Solarium. candidum Spix t. 17. f. 3. — T. sub- 
globoso-depressa, late umbilicata, tenui, lovi, ad.suturam striata; 
epidermide flavescente induta; anfract. 6'/, convexiusculis: aper- 
tura lunata; perist. reflexiusculo, margine columellari. incrassato, ' 
expanso. 
Diam. 13'/,, altit. 7'/, lin. — Drasilia. 
25. Helix Wagneri Pfr. — Il. coe Wagn. (Spix 
test. brasil) ex parte. — T. depressa, late umbilicata,  mitida, 
flavescenti- vitrea, superne oblique costulata; anfract. 6 planius- 
culis, ultimo superne depresso, costulato, basi convexo, lvi; 
apertura perobliqua, lunata; perist. reflexo, margine. columellari 
arcuato. 
Diam. 9'/,, altit. 4'/, lin. — Brasilia. 
296. Helix lusitanica Pfr. — T. discoidea, umbilicata, 
fusca, suboblique. confertim costulata; spira plana; anfract. 5!/, 
