226 ACHATINELLA VULPINA. 



streaked with olivaceous and greenish-ashen ; lower half of the 

 last whorl chestnut, streaked with the above-mentioned colors. 

 Suture distinctly margined with dark brown. Whorls 6%, 

 convex, the first 3% ruddy. Aperture white; peristome 

 brown-tinted within and edged with white; columellar fold 

 strong, roseate. Length 18, diam. 10 mm. 



"Var. : shell indistinctly zoned spirally with olivaceous." 

 (Smith). 



"Ahuimanu, Island of Oahu, chiefly on leaves of the kii. 



"This species passes into A. colorata Reeve, which is also 

 found in. Ahuimanu. It differs from A. colorata in the same 

 manner and proportion as A. adust a Reeve differs from 

 A. producta Keeve. About one-third of the specimens are 

 dextral" (Gulick). 



18&. A. VULPINA TRICOLOR Smith. PL 37, figs. 10, 11, lla, 11&. 



"Shell sinistral, ovate-subconic, imperf orate, glossy, very 

 finely striated with oblique growth-lines and transverse striae, 

 white, whorls encircled in the middle with a broad yellowish- 

 olivaceous zone and towards the base streaked with green; 

 suture distinctly margined with deep brown ; whorls 6%, con- 

 vex, the first two or three white or reddish ; aperture white ; 

 peristome thin, lightly bordered within; columellar fold 

 strong, roseate. Length 20, diam. 10% mm. 



"Var. a. Shell white, girt about the middle with one oli- 

 vaceous zone. 



"Var. &. Shell yellowish, encircled with a very broad basal 

 zone of chestnut. ' ' ( Smith ) . 



Oahu: loleka, in Heeia (Gulick). 



Achatinella tricolor SMITH, P. Z. S. 1873, p. 76, pi. 9, f. 6. 



In form and color it is intermediate between A. colorata 

 Rv. and A. varia Gk. (Smith) . 



A. c. tricolor is very closely related to colorata, which occurs 

 westward, on the other side of the Heeia ridge. As in colorata, 

 there is always a narrow brown sutural band or line. Typi- 

 cally the ground-color is white or nearly so above the peri- 

 phery, citron-green or light yellowish olive below it, with a 

 broad cuticular band of hazel or cinnamon-brown above the 

 periphery, which is marked with a line of the whitish ground, 



