240 Descrijrtions of New Species of Achatinella. 



Station. — On trees. 



Habitat. — Kaawa, Oahu. J. S. Emerson! Hauula, Oahu. 

 J. T. G. ! 



J2e?narks. — The sutural band is sometimes wanting, and some 

 specimens have another band entering the aperture. I have 

 but one specimen from Hauula, which is of the last mentioned 

 variety, and rather larger than those from Kaawa. 



It is allied to A. sonata Nob. and A. undulata Newc. 



co. Achatinella coguata. 



Plate VIII. Fig. 60. 



T. siuistrorsa, imperforata, ovato-conica, solida, nitida, striata, pallide 

 roseo-cerviua, fascia 1 fusca suturali ornata ; apice subacuta ; spira 

 convexo-conica; sutura niarginata, fusca, subimpressa, ; anfr. 6, subcon- 

 vexis ; plica, columellari mediana, rosea, valida ; apertura truncato 

 auriformi, intus roseo-albida ; perist. intus subincrassato; margine externo 

 recto, arcuato, acuto; columellari dilatato, adnato; parietali nullo. 



Shell sinistral, imperforate, ovate conic, solid, shining, stri- 

 ated, of pale rosy fawn color, with a brown sutural band ; apex 

 subacute ; spire convexly conic ; suture marginate, brown, 

 lightly impressed ; whorls G, slightly convex ; columellar fold 

 central, rose-colored, strong; aperture truncately auriform, 

 within white lightly tinged with rose; peristome thickened 

 within; with external margin unrenected, arcuate, acute ; colu- 

 mellar margin dilated, adnate, parietal margin wanting. 



Length 0.75 inch (19 millim.); breadth 0.40 inch (10 millim.). 



Length of body whorl 0.53 inch (13^ millim.). 



Average weight 5.60 grains. 



Station.— On trees. J. T. G. ! 



Habitat. — Hakipu, Oahu. J. T. G. ! Waikane, Oahu. Frick. 



Var. I. White. 

 Var. c. Pale green. 



Remarks. — Allied to A. dimorplia Nob. 



