57 



Diam. maj. 48, min. 41, alt. 23 mill. 



Hab. in insulis Moluccis. 



This species has been generally confounded with H. vitrina, L. 



6. Helix iota, Pfr. H. testa perforata, subdepressa, tenui, 

 confertim costata, hand nitente, corneo-Iutescente, rufo-macu- 

 lata et reticidata ; spira breviter conoidea, acutiuscula ; an- 



fractihus 5 convexiusculis, sensim accresceiitibus, ultimo non 

 descendente, rotundato ; apertura parum obliqua, rotundato- 

 lunari ; peristomate simpHce, recto, marginibus distantibus, 

 columellari arcuatim ascendente, superne subdilatato, patente. 



Diam. maj. 4, min. 3§, alt. 21 mill. 



Hab. in Nova Seelandia. 



7. Helix lambda, Pfr. H. testa umbiJicata, subconoideo-de- 

 pressa, teniii, sublcevigata, striis spiralibus interdum sculpta, 

 parum nitida, diaphana, fulva, castaneo maculata ; spira sub- 

 conoidea, obtusula ; anfractibus 5 convexiusculis, ultimo non 

 descendente, peripheria obsolete angidato, basi convexo; um- 

 bilico mediocri, conico ; apertura obliqua, lunato-rotundata, 

 intus nitida ; peristomate simplice, recto, marginibus conniven- 

 tibus, columellari superne subdilatato, patente. 



Diam. maj. 13, min. 11, alt. 7 mill. 

 Hab. in Nova Seelandia. 



8. Helix epsilon, Pfr. H. testa umbilicata, depressa, tenui, 

 superne oblique et confertim plicata, pallide cornea; spira con- 

 vexiuscida ; anfractibus ?>\ convexiusculis, ultimo non descen- 

 dente, basi sublcevigata ; umbilico angusto, pervio ; apertura 

 parum obliqua, rotundato-lunari ; peristomate simplice, recto, 

 m.arginibus conniventibus. 



Diam. maj. If, min. 1|, alt. § mill. 

 Hab. in Nova Seelandia. 



9. Helix gamma, Pfr. H. testa umbilicata, depressa, tenuius- 

 cula, confertissime costulato-striata, diaphana, pallide cornea, 

 rufulo-nehulata ; spira vix convexiuscula ; sutura impressa ; 

 anfractibus 5 convexiusculis, lente creseentibus, ultimo non 

 descendente, subtus convexo ; umbilico latiusculo, conico; aper- 

 tura subverticali, rotundato-lunari ; peristomate simplice, 

 recto, marginibus subconniventibus, regulariter arcuatis. 



Diam. 3, alt. 1^ mill. 

 Hab. in Nova Seelandia. 



10. Helix eta, Pfr. H. testa umbilicata, depressa, subtiliter 

 costulato-striata, sericea, cerea ; spira planiuscula ; sutura 

 impressa ; anfractibus 4 vix convexiusculis, ultimo latiore, non 

 descendente, depresso ; umbilico latiusculo, perspective; aper- 

 tura parum obliqua, lunato-subcirculari ; peristomate simplice, 

 recto, marginibus conniventibus. 



Diam. 3, alt. 1^ mill. 

 Hab. in Nova Seelandia. 



