158 Original Descriptions of Achatinella. 



spire long, with outlines moderately curvilinear, whorls nearly 

 71-2, rather convex, with a well impressed suture ; last whorl 

 rather small; aperture small, ovate; lip sharp, not expanded, mod- 

 erately thickened within ; columellar fold moderately developed. 

 Length .72, breadth .33 in.; length of ap. .25 in. 



Hab. Waianae Valley. — Bald. 



Mr. Baldwin places this with A. variegata Pfr. 



276. Achatinella rubens Gould. 



A. rubens. P. Boston Soc, ii, 1845, p. 27. 



Testa elongato-ovato, crassa, straminea, apice castanea, antice erube- 

 scente; anfr. 6, convexis, sutura impressa, epidermide fusco hie et illic ob- 

 tectis; apertura ovata, labro simplici intus incrassato, rosaceo, fauce alba, 

 plica tenui; imperforata. Long. 3-4, lat. 2-5 poll. 



Shell elongately ovate, solid, straw color, apex chestnut, 

 reddish ventrally, whorls 6, convex, suture impressed, here and 

 there covered with a brownish epidermis; aperture ovate, lip simple, 

 thickened within, rosy, further within white, columellar fold thin; 

 imperforate. 



A plain species but well marked by its colors, especially by 

 that of the aperture. — Gould. 



Hab. West mountains of Oahu. — Newc. 



277. Achatinella cornea Newcomb. 



A. cornea Newc. P. Zool. Soc. London, 1853, p. 141, pi. xxiii, fig. 32. 



Shell irregularly acutely conical; the apex pointed; last whorl 

 inflated; thin, corneous, with minute longitudinal striae; whorls 

 7, rounded ; aperture subovate ; lip thin, translucent ; columella 

 straight, white and armed with a transverse plaited tooth ; color 

 uniform dark horn ; columella and tooth white. Long. 10/20, 

 lat. 5/20 poll. 



Hab. Waianae Mts. — Bald. 



278. Achatinella elongata Newcomb. 



.-/. elongata Newc. Ann. I.yc. New York, vi, 1S53, p. 26. 

 A. acuta Newc. P. Zool. Soc. London, 1853, p. 142, pi. xxiii, fig. 36. 



Shell acutely turreted, sinistral; whorls 7, rounded; suture 

 deep; striae numerous, longitudinal and well defined; aperture 

 ovate ; lip simple ; columella plicate ; color of epidermis brown. 

 Long. 10/20, lat. 4 1/2/20 poll. 



But a solitary specimen of this shell has been found; but its 

 characters are clearly marked, and no described species resembles 

 it in form. 



