182 Descriptions of New Species of Achat i?iella. 



margin unrcflected, semicircular ; columellar margin dilated, 

 white, aclnate ; parietal margin very thin, white. 



Length 0.31 inch (S mill.). Breadth 0.17 inch (4J mill.). 



Length of body whorl 0.21 inch (5^ mill.). 



Average weight 0.35 grain. 



Var. h. — "Without the dark sutural line. 

 Station. — On the ground in the woods. J. T. G. ! 



Habitat. — "Waialei, Pupukea, Waimea, Kawailoa, and Ilele- 

 manu, Oahu. J. T. G. ! 



Remarks. — One of a numerous group of little glassy shells 

 represented by A. nitida Newc, and A. grana Newc, though 

 not so nearly allied to these two, which are from Maui, as to 

 A. gumtnea Nob., which is found in other districts of Oahu. 

 From that species it differs, however, in its habits, and less 

 inflated form. 



io. Acliatinella giuiiniea. 



Plate VI. Fig. 10. 



T. dextrorsa, imperforate, late oblongo-conica, termi, nitida, pclhicida, 

 succinea, levissime striata ; apice obtusula ; spirit convexo-conica ; su- 

 tura simplici, leviter impressa ; anfr. C, convexiusculis ; plica cohnnel- 

 lari mediana, pallide cornea, vix lamelliformi ; apertura sub-pyrifbrmi ; 

 perist. intns albido-inerassato ; margine dextro arcuato, antice paululum 

 reflexo, coluinellari dilatato, adnato ; parietali tenui. 



Shell dextral, imperforate, broad, oblong conic, thin, shining, 

 pellucid, amber colored, very finely striated ; apex rather ob- 

 tuse ; spire convexly conical ; suture simple, lightly impressed ; 

 whorls 6, rather convex ; columellar fold central, pale corne- 

 ous, scarcely lamelliform ; aperture sub-pyriform ; peristome 



