Original Descriptions of Achatinella. 17 



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314. Achatinella soror Newcomb. 



A. sot or Newc. P. Zool. Soc. London, 1853, p. 143, pi. xxiii, fig. 38. 



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

 deeply 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. acuta found in 

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

 veloped in the A. acuta. — Newc. 



Hab. Maui. — Newc. Lahaina. — Bald. 



315. Achatinella ellipsoidea Gould. 



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



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

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

 gusta; peristornate acuto, nigro ; plica columellari fere transversa, tenui. 

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



Shell solid, ellipsoidal, polished, covered with a yellow 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 Newcomb. 



A. pupoidea Newc. P. Zool. Soc. London, 1853, p. 144, pi. xxiii, fig. 42. 



Shell dextral, cylindrically elongate; whorls 7, rounded; suture 

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

 toothed; epidermis thin, of a light brown, beneath which the body 

 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. — Newc. West Maui. — Bald. 



Mr. Baldwin places this with ellipsoidea Gld. 



