Descriptions of New Species of Achatinella. 225 



Var. c. — Yellow at the base, with one or more brown bands 

 above. 



Var. d. — Yellow at the base, and white above, without 

 bands. 



Var. e. — Nearly pure white. 



Var.f. — Ash or yellow grey, without bands. 



Remarks. — A rare and beautiful species, found in the most 

 rugged but verdant region of Western Kailua. About a third 

 of the specimens are sinistral. 



45. Achatinella cucumis. 



Plate VII. Fig. 45. 



T. sinistrorsa, imperforata, acuminato-oblonga, solida, nitida, striata, 

 viridi ; apice obtusula ; spira turrita ; sutura marginata, impressa ; 

 anfr. 6, convexiusculis ; plica columellari mediana, alba, raediocri ; aper- 

 tura obliqua, sinuato-ovali, intus alba ; perist. intus incrassato ; margine 

 externo recto, arcuato, acuto ; columellari dilatato, adnato ; parietali 

 nullo. 



Shell sinistral, imperforate, acuminately oblong, solid, shin- 

 ing, striated, green ; apex rather obtuse ; spire turreted ; suture 

 margined, impressed ; whorls 6, convex ; columellar fold cen- 

 tral, white, moderately developed ; aperture oblique, sinuately 

 oval, white within ; peristome thickened within ; with external 

 margin unreflected, arcuate, acute ; columellar margin dilated, 

 adnate ; parietal margin wanting. 



Length 0.74 (19 mill.) ; breadth 0.38 inch (9§ mill.). 



Length of body whorl 0.50 inch (13 mill.). 



Average weight 5.20 grains. 



Station. — On trees. 



Habitat— Kalihi, Oahu. J. T. G. ! 



