Descriptions of New Species of Achatinella. 241 



61. Achatinella scitiila. 



Plate VIII. Fig. 61. 



T. sinistrorsa, imperforata, turrito-ovata, solid a, nitida, striata, fusco 

 et pallido-cervino strigata ; apice subacuta ; spira convexo-elongata, ; 

 sutura marginata, modice irnpressa ; anfr. 6|-, convexis ; plica columellari 

 supera, alba, mediocri ; apertura sinuato-ellipsoidea, intus alba ; perist. 

 intus valide incrassato ; margine externo recto, antice arcuato, in medio 

 leviter substricto ; columellari dilatato, adnato ; parietali nullo. 



Shell sinistral, imperforate, elongately ovate, solid, shining, 

 striated, streaked with brown and pale fawn ; apex subacute ; 

 spire convexly elongate ; suture rnarginate, moderately im- 

 pressed ; whorls 6-§-, convex ; columella with a moderately de- 

 veloped white fold near the body whorl ; aperture sinuately 

 ellipsoidal, white within ; peristome well thickened within ; with 

 external margin unreflected, slightly compressed in the middle, 

 with the anterior edge arcuate ; columella!* margin dilated, 

 adnate ; parietal margin wanting. 



Length 0.82 inch (21 millim.) ; breadth 0.42 inch (10§ inillim.). 



Length of body whorl 0.53 inch (135 millim.). 



Average weight 4.80 grains. 



Station. — On trees. J. T. G. ! 

 Habitat— Hakipu, Oahu. J. T. G. ! 



Remarks. — There is a green variety which passes into var. c 

 of the last described species. But in that species the suture and 

 columella are dark, while in this they are light-colored. 



62. Achatinella cervina. 



Plate VIII. Fig. 62. 



T. sinistrorsa, vix perforata, ovato-conica, tenuiuscula, nitida, striata, 

 cervina, lineis spiralibus fuscis obsolete ornata ; apice subacuta, spira 



