20 HELTX-PAPUINA. 



H. guppyi E. A. SMITH, P. Z. S. 1885, p. 591, t. 36, f. 4. 

 This species is remarkable for the striking contrast of its color- 

 bands and the angular character of the last whorl. ($w.) 



H. MISER Cox. Unfigured. 



Shell narrowly perforate, thin, coniform, obliquely finely striated ; 

 color reddish chestnut, becoming pale yellowish-brown towards the 

 apex ; spire elongated ; whorls 7, very gradually increasing in size, 

 the last one being subcarinated ; base rounded, aperture lunar oval ; 

 periphery straight ; margins slightly approximating, and united by 

 a rather thin columellar callus, which descends perpendicularly, and 

 becomes broadly dilated, concealing the umbilicus ; aperture and 

 interior of the lip pale, the lip shortly reflected throughout. 



Diam., greatest 0'80, least 0'68 ; height 1'22 inch. (Cox.) 



Solomon Islands. 



H. miser Cox, P. Z. S. 1873, p. 146. PFR., Monogr. vii, p. 383. 



H. ADONIS Angas. PI. 10, fig. 86. 



Narrowly perforated, elevated trochiform, the periphery carinated ; 

 lightly obliquely striated ; of a light orange-buff tint, the lip of the 

 same color. 



The shell is thin, the smoothness of the surface slightly broken 

 by close but inconspicuous growth lines ; spire conical, apex sub- 

 acute ; whorls 5 J, the earlier quite convex, the last two less so ; last 

 whorl rather acutely keeled at the periphery, not descending in 

 front ; base nearly flat and microscopically spirally striated ; aper- 

 ture subtriangular, oblique ; outer lip thin, scarcely expanded above, 

 outer and basal margins expanded, columellar margin triangularly 

 reflexed over and almost covering the umbilicus. Inner edge of the 

 columella vertical, straight. Alt. 24, diam. 18-19 mill. 



Bougainville Island, Solomon Group. 



H. adonis ANGAS, P. 1. S. 1869, p. 624, t. 48, f. 4. PFR., Monogr. 

 vii. BRAZIER, P. Z. S. 1872, p. 805. H. metula CROSSE, Journal 

 Conchyl. 1870, p. 248. 



More acutely keeled than H. meta or acmella, not so smooth, and 

 having the lip as well as the whole shell, of a fleshy-buff color. It 

 differs from H. plagiostoma in being narrower, lacking a subsutural 

 white band, and of a different color. 



