Original Descriptions of Achatinella . 123 



- One specimen is of the following dimensions: 

 Length 0.85 in. (21 3-5 mill.), breadth 0.52 in. (13 2-5 mill.). 

 Length of aperture 0.43 in. (11 mill.). 

 Weight 7.00 grains. 



Var. E. Finely and faintly streaked with whitish lines. 



Var. F. Whitish marble gray ; lip, columella and fauces 

 ivory white. 



Var. G. Exterior ashy, without polish; lip ivory white; colu- 

 mella plicate: passes into A. induta Nob. 



Var. H. Variegated with black, white and brown, perforate, 

 columella more distinctly plicate: passes into A. perdix Reeve. 



Station. On the Ilima (Sida), Ki (Cordyline tcrminalis) and 

 other low bushes. — E. Bailey. 



Remarks. This species is smaller in size and more acuminate 

 in form than A. perdix, and differs in having the umbilicus open 

 and deeply perforated, and the columellar fold less prominent. — Gk. 



Hab. Mountain ridges of Waihee. — (E. Bailey )Gk. 



Baldwin places it with A. perdix Rve. 



6. Shells from Hawaii. 



PHYSA GROUP. 

 198. Achatinella physa Newcomb. 



A.physa Newc. P. Boston Soc, 1855, p. 218. 



Shell sinistral, pointed at the summit, strongly inflated below, 

 rudely striated obliquely; whorls 6, first five flatly convex, the 

 last largely inflated and obsoletely carinated; suture simple and 

 deeply impressed; columella short, slightly callous, broad, and 

 partially covering a deep umbilicus; aperture large, semiovate; 

 lip subreflected below, thin and simple above. Color of a dingy 

 white, occasionally marked with yellow flammules, internally of a 

 light lemon yellow, sometimes white. Length 18-20, breadth 

 12-20 poll. 



Originally described in Zoological Proceedings, London, 1854, 

 plate 24, fig. 64, in an immature state. 



Hab. Mauna Kea and Kohala Mts. 



Fine specimens are now found beautifully banded. 



