original Dcscriptio7is of Achatinclla. 173 



314. Achatinella soror Newcomb. ^ 



A. sot or Xewc. P. Zool. Soc. London, 1S53, p. 143, pi. xxiii, fig^. 3S. 



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

 deepl}' impressed; aperture subovate, small ; lip simple; columella 

 very short, terminating in a twisted plicate tooth; epidermis thin, 

 dark corneous above and light corneous below. Long. 12-20, 

 lat. 5-20 poll. 



Var. A. Last whorl white, shell solid. Length 9-20, breadth 

 5-20 in. 



Var. B. Shell thin, dark corneous, polished. Length 10-20, 

 breadth 4-20 in. 



This species is the complete analogue of A. aaita found in 

 Oahu: it has a more ventricose aspect, and the striae are more de- 

 veloped in the A. acuta. — Xewc. 



Hab. Maui. — Xewc. Lahaina. — Bald. 



315. Achatinella ellipsoidea Gould. 



A. ellipsoidea Gld. P. Boston Soc, ii, 1847, p. 200. 



Testa solida, ellipsoidea. Itevis, epidermide luteo interdum fusco zonato 

 induta; spira anfr. 6, convexiusculis ; sutura impressa ; apertura parva, an- 

 gusta; peristomate acuto, nigro ; plica columellari fere trans^^rsa, tenui. 

 Lat. 7-20, alt. 7-10 poll. 



Shell solid, ellipsoidal, polished, covered with a 3^ellow epider- 

 mis sometimes with a brown zone ; whorls 6, somewhat convex; 

 suture impressed; aperture small, narrow; lip acute, black; colu- 

 mellar fold almost transverse, thin. 



Hab. West Maui.— Bald. 



316. Achatinella pupoidea Xewcomb. 



A. pupoidea Newc. P. Zool. Soc. London, 1S53, p. 144. pi. xxiii, fig. 42. 



Shell dextral, c^-lindrically elongate; whorls 7, rounded; suture 

 deep, aperture small, subovate; lip simple; columella short, lightly 

 toothed; epidermis thin, of a light brown, beneath which the bod}' 

 whorl is white, the three above pinkish, and the others leaden; 

 brown zigzag undulations are sometimes found on the upper por- 

 tions of the lower whorls. Long. 14/20, lat. 5/20 poll. 



Hab. East Maui. — Xewc. West Maui. — Bald. 



Mr. Baldwin places this with ellipsoidea Gld. 



t^ 



