36 Ori}rinat Descriptions of Achati)icUa. 



fract. 6, primi 3 convexiusculi, Cctteri convexi ; apcrtura alba ; pcrist. niar- 

 gine tenui, dilute fusco iutus linibatuni ; plica columellaris nitdiocriter 

 valida. Long. 17, diam. 11 mill. 



Shell dextral, subperforate, .subglobosely conic, hardly shin- 

 ing, striated with lines (not spiral) of growth; white, encircled 

 towards the base with a few transverse brown lines ; suture dis- 

 tin<5lly margined ; spire slightly concave ; whorls 6, first 3 slightly 

 convex, the others convex ; aperture white ; lip thin at the mar- 

 gin, edged within with light brown ; columellar fold moderately 

 strong. 



It is allied to A. tubcrans Gk., but has a much narrower spire. 

 Remarks. All the specimens found are dextral. — Gk. 



Hab. Kalaikoa and Lihue. — Gk. Waianae Mts. — Bald. 



The habitat of this shell is rather doubtful, .so that it is diffi- 

 cult to place with any certainty ; probably from the Lihue side 

 of the Waianae Mts. 



