IIELIX §. 20. 103 



convexus; apertura ovalis, angusta; perisl. subreflexum. — Diani. 

 <2, alt. 5 lin. (L.) 



Helix discoides Less. voy. de la Coq. p. 3 10. 



Habitat in Nova Hibernia. 



Obs. «Affiiiis H. solilariae. » (Less. ) — Verosimililer alio loco collocanda. 



258. H. papillata Pft*. /. ./ :. ^/^/^ 



T. umbilicata, depressa, subdiscoidea , solidruscula ,' ir/egu- 

 lariter striata, opaca, albida, spadiceo-nebulosa saturatiusque 

 strigata et maculata; spira plana, apice papillatim prominente; 

 anfr. 5 planiusculi^ ultimus descendens , depresso-rotundatus ; 

 umbilicus angustus, pervius; apertura obliqua, lunato-subcircu- 

 laris; perist. simplex, acutum, niargine columellari vix dilatato. 

 — Diam. maj. :23, min. 20'/-., alt. U milL (3fus. Cuming. ) 



Helix papillata Pfr. in Proc. Zool. Soc. 1845. p. 129. 

 Habitat ? 



Obs. Similis H. Menkeauae Nr. 112. 



259. H. sudensis Pfr. 



T. umbilicata, depressa, regulariter et confertim costulata, 

 tenuis, diaphana, rubello-cornea; spira vix elevata; anfr. 6 con- 

 vexi , ultimus non descendens ; umbilicus majusculus , perspecti- 

 vus ; apertura rotundato-Iunaris ; perist. simplex, acutum , margine 

 columellari vix dilatato, breviter patente. — Diam. maj. 13, min, 

 Liy2,alt. 7mill. (CoIL Forbes.) 



Helix sudensis Pfr. Symb. III. p. 67. 

 Habitat rarissima prope Suda Candiae. (Forb.) 



260. H. Frivaldskyana Rossmassler. -f 



T. perspective umbilicata, lenticulari-depressa, arctispira, 

 obtuse carinata, albido - straminea , subtiliter costulato-striata ; 

 anfr. 5 convexi; apertura oblique lunaris; perist. rectum, aculum, 

 simplex. — Diam. maj. 9, min. 8, alt. 3% mill. (Rm.) 

 Helix Frivaldskyam Rossm. XI. p. 3. f. 691. 

 — convexa (Helicella) Fer. pr. 209. Hist. t. 82. f. 1 ! Nec Rafin. 

 Habitat in Rumelia (Friv.), prope Baruth (Olivier, Fer.) 



261. H. perspectiva Say. 



T. late et perspective umbilicata, orbicularis, superne vix 

 convexiuscula, subtus excavata, tenuis, rufo-cornea, regulariter 

 costulata; anfr. 6y2 convexiusculi , lente accrescentes; apertura 

 parva, lunato-subcircularis; perist. simplex , acutum, marginibus 



