Original Descriptions of Achatinella. 145 



lete carina; apex chestnut colour; columella plaited, as in A. 

 stewariii; outer lip thin; inside pinkish, darker near the edge. 



Hab. Palolo near Nuuanu. 



This equals A. turritella Fer. 



241. Achatinella inornata Mighels. 



A. inornata Migh. P. Boston Soc, ii, 1845, p. 21. 



Shell dextral, elevated, turreted, sometimes straw-colored, 

 sometimes dark brown, unadorned, perforate; whorls 7, convex; 

 aperture subovate; lip simple, acute. Length 3-4, diam. 3-10. 



Hab. Kalihi to Palolo.— Bald. 



This seems to be the same as A. turritella Fer. 



242. Achatinella breviata Baldwin. 



Amastra breviata Bald. P. Ac. Phil., 1895, p. 231, pi. xi, figs. 45,46. 



Shell dextral, very minutely perforated, rather thin, globosely 

 conical; apex rather acute; surface not polished, covered with fine 

 incremental lines, the nuclear whorls smooth; color corneous- 

 brown, destitute of an epidermis; whorls 6, slightly convex; suture 

 well impressed; aperture a trifle oblique, oval, livid white within; 

 peristome simple, thin, extremities abruptly terminating in a thin 

 lamellar plait. Length 12 1-2, diam. 7 1-2 mm. 



Hab. Palolo and Halawa. 



243. Achatinella vetusta Baldwin. 



Amasta vetusta Bald. P. Ac. Phil., 1895, p. 233, pi. xi, fig. 50. 



Shell fossil, dextral, imperforate, solid, ovately conical, apex 

 rather acute; surface sculptured with somewhat regular, close rib- 

 striae in the direction of the growth lines, with a few faint cross 

 lines; the embryonic whorls radiately sulcated; color of living 

 shell unknown; whorls 61-2, very slightly convex; suture lightly 

 impressed; aperture sinuately oval, a little oblique; peristome 

 flatly blunt, thickened on the inner edge, margins united w T ith a 

 thick calosity; columella flexuous, abruptly terminating in a small, 

 thin plait. Length 13, diam. 7 1-2 mm. 



Hab. Near Honolulu. 



244. Achatinella rubicunda Baldwin. 



Amastra rubicunda Bald. P. Acad. Phil., 1S95, p. 229, pi. xi, fig. 38. 



Shell dextral, imperforate, rather solid, elongately ovate- 

 conic; surface lustreless, striated with irregular growth striae; 



Occasional Papers B. P. B. M., Vol. III.— 10. 



