Original Descriptions of Achatinella . 169 



straight, with a strong, white, spiral callus in the middle; color 

 reddish brown; the upper whorls black, the middle ones with black 

 zigzag lines, the last covered with a dark brown epidermis. 



Hab. Lanai. 



303. Achatinella obscura Newcomb. 



A. obscura Newc. P. Zool. Soc. London, 1853, p. 157, pi. xxiv, fig. 78. 



Shell dextrorsal, turreto-conical ; whorls 7, longitudinally 

 striated, rather convex, marginate superiorly; suture slightly im- 

 pressed; aperture small, ovate; columella subtortuous, furnished 

 with a spiral lamina; outer lip acute, simple; color dirty fulvous, 

 covered with a blackish brown epidermis; the upper whorls black. 



Hab. Lanai. 



Messrs. Baldwin and Sykes place this with A. vioesta Newc. 



304. Achatinella magna C. B. Adams. 



A. magna Ad. Contrib. to Conch., 1S.50, p. 125. 



Shell thick, ovate-conic, elongate; blackish brown at the apex, 

 reddish brown on the middle whorls, and ash colored on the lower 

 whorls; with unequal, irregular, very coarse transverse striae, with 

 close set transverse arcuate ribs near the apex, and some indistinct 

 raised spiral lines on the lower part of the last whorl; apex sub- 

 acute; spire rather long, with the outlines quite curvilinear; whorls 

 7, rather convex, with a well impressed suture; last whorl abruptly 

 angular; aperture ovate, acute above, with an extremely thick 

 deposit on the inner side, with a very large compressed columellar 

 fold. Length 1.33, breadth .7 in.; length of ap. .61 in. 



Hab. L,anai. — Bald. 



Described from a single specimen. 



305. Achatinella grayana Pfeiffer. 



A. {Laminella) grayana Pfr. P. Zool. Soc. London, 1855, p. 204. 



A. testa imperf., dextr., ovato-conica, solidula, nitidula, griseo-carnea, 

 fasciis castaneis deorsutn evanescentibus varie picta; spira inflato-conica, 

 apice acuta, nigra; anfr. 6 1-2, superis planis, radiato-plicatis, penultimo 

 convexo, ultimo spiram fere aequante, leviter striato; apertura subverticali, 

 acuminato-ovali ; plica colum. mediana, subtrans versa, triangulari; perist. 

 simplice recto, margine colurn. vix dilatato, adnato. L,ong. 21 1-2, diarn. 

 12 mill. 



Shell imperforate, dextral, ovate-conic, somewhat solid, some- 

 what shining, grey-flesh colored, variously marked below with 

 fading chestnut bands; spire inflated conic, apex acute, black; 

 whorls 6 1-2, the upper flat, radiately plicate, the next to the last 



