230 Descriptions of Neio Species of Achatinella. 

 49. Achatinella juncea. 



Plate VII Fig. 49. 



T. sinistrorsa, imperforate, elongata, acuminato-ovata, tcmii, nitida, 

 striatula, alba ; apice acutiuscula ; spira, convexo-turrita ; sutura filo- 

 marginata, vallde impressa ; anfr. 6, convcxis ; plica columeUari supera, 

 alba, levi, torta ; apertura obliqua, ovali, intus alba ; perist. modice 

 incrassato ; margine externo antice leviter expanso, arcuato, acuto ; colu- 

 meUari angusto, adnato ; parietali tenuissimo. 



Shell sinistral, imperforate, elongately and acuminately 

 ovate, tliin, shining, finely striated, snow white ; apex some- 

 what acute; spire convexly turreted; suture margined, well 

 impressed ; whorls 6, convex ; columella white, with a light 

 twisted fold near the body whorl ; aperture oblique, oval, 

 white within ; peristome moderately thickened ; with external 

 margin slightly expanded anteriorly, arcuate, acute ; columel- 

 lar margin narrow, adnate ; parietal margin very thin. 



Length 0.65 inch (164 mill.) ; breadth 0.30 inch (7f mill.). 



Length of body whorl 0.44 inch (11£ mill.). 



Weight 1.50 grains. 



Station. — On the Ahakea. J. T. Gr. ! 



Habitat. — Kalaikoa, Wahiawa, and Helemanu, Oahu. J. 

 T. G. ! 



Var. b. — With two or three brown spiral bands. 



Remarks. — A neat, delicate species, nearly allied to A. 

 papyracea Nob., but sufficiently characterized as a distinct 

 species. 



