158 Original Descriptions of Achati?iella. 



spire long, with outlines moderately curvilinear, whorls nearly 

 7 1-2, 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. varieq;ata Pfr. 



276. Achatinella rubens Gould. 



A. rubens. P. Boston Soc, ii, 1S45, p. 27. 



Testa elon^ato-ovato, crassa, straminea, apice castanea, antice erube- 

 sceiite; 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, xq>s\\ further within white, columellar fold thin; 

 imperforate. 



A plain species but well marked by its colors, especiall}' by 

 that of the aperture. — Gould. 



Hab. West mountains of Oahu. — Newc. 



277. Achatinella cornea Newcomb. 



A. cornea Newc. P. Zool. Soc. London, 1S53, 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. 



A. elongala Xewc. Ann. Lye. New York, vi, 1853, p. 26. 

 A. acuta Newc. P. ZooL Soc. London, 1853, p. 142, pL 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 solitar}' specimen of this shell has been found; but its 

 charadlers are clearly marked, and no described species resembles 

 it in form. 



