Original Descriptions of Achatinella. 127 



middle; aperture subovate, with the colmnellar fold well devel- 

 oped, with the deposit on the inner side very thin; labrum sharp, 

 not reflected, well thickened within. 



Length 1 in., breadth .5 in. 



Length of aperture .38 in. 



Hab. Palolo to Kalihi. 



This species is the same as A. gravida Fer. 



203. Achatinella suffusa Reeve. 



A. suffusa Rve. Rve. Icon. Conch., London, 1850, pi. ii, fig. 11. 



Shell sinistral, oblong-ovate, whorls convex, somewhat rudely 

 striated, columella with a twisted plait, aperture simple; pinkish- 

 white, brown-red at the apex, interior of the aperture flesh-pink. 



Hab. Kalihi. 



This shell is commonly called the "pink gravida" , and is a 

 variety of that shell. 



204. Achatinella straminea Reeve. 



A. straminea Rve. Rve. Icon. Conch., London, 1S50, pi. v, fig. 38. 



Shell acuminately oblong, sinistral, whorls convex, obliquely 

 striated, columella strongly twisted-plaited; straw-colored, un- 

 spotted. 



Animal of a uniform light flesh-color, oral aperture margined 

 with a line of orange. 



Hab. Pauoa to Palolo. — Bald. 



SANGUINEA GROUP. 

 205. Achatinella sangninea Newcomb. 



A. sangninea Newc. P. Zool. Soc. London, 1853, p. 135; pi. xxii, fig. 15. 



Shell accuminately oblong; whorls 7, convex below, plano- 

 convex above; suture distinctly marked; aperture subovate; colu- 

 mella armed with a twisted plicate tooth; lip simple; colour of shell 

 from roseate to sanguineous thickly covered with black lineations, 

 forming chainwork and zigzag markings on the three lower whorls; 

 denuded of epidermis above; apex mammillate and black. Long. 

 18/20, lat. 8/20 poll. 



Animal as long as the shell, anterior superior portion a dark 

 brown, with tentacles of the same color, posteriorly cut up into 



