Original Dcscriptioyis oj 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. obscuia Newc. P. Zool. Soc. Loudon, 1S33. p. 157, pi. xxiv. fig. 7S. 



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 Xewc. 



304. Achatinella magna C. B. Adams. 



A . vicgna Ad. Contrib. to Conch., i^so, 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, ver}' 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 ver}' large compressed columellar 

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



Hab. Lanai. — Bald. 



Described from a single specimen. 



305. Achatinella grayana Pfeiffer. 



A. (/Mniiiiella) grayana Pfr. P. Zool. Soc. London, 1855, p. 204. 



A. testa imperf., dextr., ovato-conica, solidula, nitidula, gris^o-carnea, 

 fasciis castaneis <leorsum evanescentibiis varie picta; spira inflato-conica, 

 apice acuta, nigra; anfr. 6 1-2, superis planis, rarliato-plicatis, pciiultimo 

 convexo, ultimo spiram fere iL-quaiite, leviter striate; apertura subvcrticali, 

 acuminato-ovali ; plica colum. merliana, subtransversa, triaiigulari; perist. 

 simplice recto, margine colum. vix dilatato, adnato. Long. 21 1-2, diam. 

 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 



