Descriptions of New Species of Achatinella. 253 



more rugose, with rose-colored apex and subangulated body- 

 whorl. 



71. Achatinella biilhosa. 



Plate VIII. Fig. 71. 



T. sinistra, iinperforata, interdnm subperforata, subpyriformi, solidius- 

 cula, impolita, striata, flavido-alba, strigis confluentibus epidermidis nigra? 

 irregulariter picta ; apice acuta ; spira concavo-conica ; sutura simplice, 

 valide impressa ; anfr. 7, convexis; ultimo magno ; plica columellari 

 raediana, fusca, lamelliformi, fere transversa ; apertura obliqua, sinuato- 

 lunata, intus pallide rosea ; perist. tenui, acuto ; margine externo recto, 

 arcuato ; columellari dilatato, adnato vel interdnm subpatente ; parietali 

 nullo. 



Shell sinistral, imperforate or sometimes slightly perforate, 

 subpyriform, rather solid, unpolisbed, striate, yellowish white, 

 covered with irregular streaks of black epidermis, which blend 

 in broad patches towards the base ; apex acute ; spire concaveby 

 conic ; suture simple, well impressed ; whorls 7, convex ; the 

 last large ; columellar fold central, brown, lamelliform, nearly 

 transverse ; aperture oblique, sinuately lunate, pale pink within, 

 shading into brown near the columella ; peristome thin, acute ; 

 with external margin unreflected, arcuate ; columellar margin 

 dilated, adnate, or sometimes slightly detached ; parietal mar- 

 gin wanting. 



Length 0.85 inch (21f millim.); breadth 0.52 inch (13 j millim.). 



Length of body whorl 0.60 inch (15£ millim.). 



Average weight 7.00 grains. 



Station. — On trees and vines. J. M. Alexander. ! 

 Habitat. — Honuaula, E. Maui. E. Bailey. ! Kula, E. Maui. 

 J. M. Alexander. ! 



Remarks. — I have a dextral specimen, which is the only one 

 I have seen belonging to any species of this group. 



