270 UELIX §. 53. 



supero expanso, basali stricUusculo, dilalato, apprcsso. - Diiuii. 

 maj. 20, min. 17, alt. ir/2 mill. (Coll. Nr. 424.) 

 UeUx Gaudnji Orb. canar. p. 57. t. 3. f. 15 — 17. *) 



— — Chemti. 0(1. II. IIeli.\ N. 417. t. 71. f. 15. 1G. 



Ilabitat in insulis Canariis, Gomera. 



707. H. advena Webb et Berthelot. 



T. imperforata, depresso-globosa , tenuis, creberrime undu- 

 iato-striata, pallide cornea, fascia lata fusca, saepe albo-maculata 

 supra peripheriam, 2 angustioribus obsoletis subtus notata; anfr. 

 4 convexiusculi, ultimus antico sensim descendens; apertura 

 lunato-subcircularis; perist. simplex, margine supero subexpanso, 

 columellari dilatato-appresso. — Diam. maj. 17, min. 14/2, alt. 

 1i'/2raill. (Coll.Nr. 425.) 

 Helix advena Webb et Berth. syn. p. 324. 



— — Orb. canar. p. 58." t. 1. f. 18 — 20. 



— — Chemn. ed. II. Helix N. 418. t. 70. f. 13. 14. 

 Po?)iatia advena Beck ind. p. 44. 



Habitat in insulis Canariis, Azoris, St. Yincent. 



708. H. amoena Pfr. 



T. iraperforata, globoso-depressa, lineis longitudinalibus el 

 spiralibus sub lente decussata, albida, fascia unica spadicea supra 

 peripheriam, lineaque suturali rufa ornata; anfr. 4 vix convexius- 

 culi , ultimus obsolete angulatus , antice deilexus, basi parum con- 

 vexus; apertura transverse lunato-oblonga, intus concolor; perist. 

 simpiex, marginibus subparallelis, dextro expanso, basali antice 

 reflexo, ad columellara dilatato, appresse reflexo. — Diam. maj. 

 1 8 , min. 1 5 , alt. 1 0y^ mill. (Coll. Nr. 426. ) 



Ilelix amoena Pfr. in Pioc. Zool. Soc. 1 845. p. 65. 



— — Chetnn. ed. II. Helix N. 412. t. 69. f. 19. 20. 



Habitat in insula Luzon (Cuming). 



Obs Affinis varielatiljus ecaiinalis H. Hugeli. 



709. H. erubescens Lowe. 



T. imperforata , depresso-globosa, ruguloso-striata ct mal- 

 leata, roseo-fulva, saepe fasciis interruptis ornata; spira vix ele- 

 vata, obtusa; anfr. 4/2 convexiusculi, ultimus magnus, antice vix 

 descendens; apertura lunato-subcircularis; perist. acutum, car- 

 neum, imus sublabiatum, margine supero expansiusculo, colu- 



*) T. orbiculalo-convexa, impcrforala, crassa, lacvigata , supro fusco vio- 

 lacea, maculis violaceis in zonas 4 dispositis voi maculis aibidis ornala; spira 

 obtusa; anfr. 5 subdepressis ; aperlura ovnli; perisf. crasso, allio, .subroflexo. — 

 Diam. 1 7 , alt. 8 mill. (W. et B. i. c. ) 



