Original Descriptions of Achatinella. 167 



296. Achatinella modesta C. B. Adams. 



A. modesta Adams. Contrib. to Conch., 1S50, p. 128. 



Shell rather thick and short, ovate-conic; dingy reddish or 

 ash-brown; more or less covered with a dingy dark brown epider- 

 mis; with fine irregular transverse striae, which are coarser on the 

 upper whorls; without spiral striae; apex subacute; spire short, with 

 the outlines quite curvilinear; whorls 6, moderately convex, with a 

 well impressed suture; last whorl rather ventricose; aperture ovate, 

 somewhat acute above; lip sharp, not expanded, moderately 

 thickened within; columellar fold well developed, quite oblique. 

 Length .54, breadth .3 in.; length of aperture .26 in. 



Hab. Molokai.— Bald. 



297. Achatinella mucronata Newcomb. 



A. mucronata Xewc. P. Zool. Soc. London, 1S53, p. 146, pi. xxiii, fig. 49. 



Shell elongate-ovate; whorls 6, rounded; suture above lightly 

 impressed, becoming deep at the junction of the last whorl; aper- 

 ture small, ovate; lip simple; columella with a twisted plait; the 

 last whorl contracted and covered with a dense black epidermis; 

 the superior whorls white, with numerous arrow-headed brown 

 markings. L,ong. 14/20, lat. 6 1/2/20 poll. 



Hab. Maui. — Newc. Molokai. — Bald. 



298. Achatinella fusiformis Pfeiffer. 



A. fusiformis Pfr. P. Zool. Soc. London, 1S55, p. 5, pi. xxx, fig-. 18. 



A. testa irnperforata, fusiformi-oblonga, tenuiuscula, striatula, saturate 

 fusca, pallide conspersa et oblique lineolata; spira convexio-conica, apice 

 nigra acuta; sutura simplice; anfr. 7, vix conyexiusculis, ultimo 2-5 longitu- 

 dinis formante, basi attenuato; apertura obliqua, ellipsoidea; plica columel- 

 lari levi, compressa, subduplicata; perist. simplici, recto, margine dextro 

 regulariter arcuato, columellari anguste adnato. Long. 14, diam. 6 2-3 mill. 



Shell imperforate, fusiform-oblong, somewhat thin, slightly 

 striate, dark brown, mottled and obliquely striped with lighter 

 color; spire convexly conical, apex black, acute; suture simple; 

 whorls 7, scarcely convex, last equal to 2-5 of the length, attenuate 

 at the base; aperture oblique, ellipsoidal; columellar fold minute, 

 compressed, subduplieate; lip simple, erect, dextral margin regu- 

 larly arcuate, columella margin narrowh T adnate. 



Hab. Molokai.— Bald. 



This, according to Mr. Baldwin, is the same as A. mucronata 

 Newc. 



