HELIX §. 20. 99 



sutura mediocris; anfr. 4 corrugati; aperlura suborbicularis; 

 perist. simplex. — Diam. 1 poU. (Say.) 



Ilelia^ hiciibrata Say descr. of new terr. shells etc. p. 1 3. 

 llabitat in republica mexicana. 



Obs. «Affinis H. inornalae, umbilico mullo latiore, aperlura accuralius 

 roUuKlata , colore saturatiore dislincta. » (Say. ) 



246. H. Zonites Pfr. 



T. umbilicata, depressa, tenuis, diaphana, conferlim costu 

 lato-slriata, lutescenti-cornea ; spira vix elata; anfr. 6 convexius- 

 culi, regulariter accrescentes, ultimus supra medium linea rufa, 

 ad apicem usque conspicua ornatus, basi laevior, subplanulatus; 

 umbilicus mediocris, pervius; apertura depressa, obllque lunato- 

 ovalis, intus margaritacea ; perist. simplex, rectum, margine co- 

 lumellari breviter patente. — Diam. maj. 25, min. 20, alt. 12 '/2 

 mill. (Mus. Cuming.) 



Helix Zonites Pfr. in Proc. Zool. Soc. 1845. p. 127. 

 Habitat . . . ? 



247. H. cypria Pft-. 



T. umbilicata, depressa, solidiuscula, superne costulato- 

 striata, sericina, fulva, basi laevigata, pallidior; spira vix elevata, 

 obtusissima; anfr. 5/2 — 6 planiusculi, lente accrescentes, ulti- 

 mus antice non descendens, basi subplanulatus, circa umbilicum 

 mediocrem impressus; aperlura obliqua, rotundato-lunaris; pe- 

 rist. simplex, acutum, margine columellari vix patente. — Diam. 

 maj. 14, min. 12, alt. 6 milT. (Coll. Nr. 130.) 

 Helix cypria Pfr. in Zeitschr. f. Mal. 1847. p. 12. 



— — Chemn. ed. U. Hehx N. 505. t. 83. f. 1-3. 

 Habitat in insula Cypro. ( Parreyss. ) 



b s. Sub nomine H. protensis accepi , sed ab icone H. protensae Fer. 

 longe difTert. 



248. H. orthostoma Pfr. 



T. umbilicata, depressa, superne confertim subarcuato- 

 slriata, tenuis, pellucida, pallide cornea; spira vix elevata, ob- 

 tusa; anfr. 6 angusti, convexiusculi, ultimus basi sublaevigatus ; 

 umbilicus majusculus , cylindraceus; apertura verticalis, oblique 

 lunaris; perist. simplex, acutum, margine supero brevi, basali 

 valde arcuato, columellari dilatato, sinuato. — Diam. maj. 10, 

 min. 9, alt. 5 mill. (CoU. Nr. 131.) 



Helix orthostoma Pfr. \n Proc. Zool. Soc. 1845. p. 124. 



— — Chemn. ed. II. HeHx N. 51 4. t. 83. f. 2 9 — 31. 



Habitat prope Dingle insulae Panay Philippinarum ( Cuming). 



7* 



