HELIX. 89 



H. DEIOPEIA, Angas. PI. 17, figs. 53, 54. 



Profoundly umbilicated, rather thin, lightly, irregularly, ob- 

 liquely striated, suture narrowly margined ; whorls 6, slightly 

 convex, the upper ones brownish, the last blackish, with oblique 

 light, diaphanous strigations, not descending, carinate, base sub- 

 planate ; lip light corneous, margins approaching, the basal margin 

 a little thickened, sinuous and subreflected. Diam. 8 mill. 



Solomon's Is. 



H. MERZIANA, Pfr. PL 18, fig. 55. 



Rather widely umbilicated, somewhat thin, slightly rugulosely 

 striated above, brownish, strigated and marbled with yellowish, 

 suture impressed, margined ; whorls 5, a little convex, the last 

 acutely carinated, not descending in front, base flattened, minutely 

 radiately striate, yellowish, with a chestnut band at the carina ; 

 aperture iridescent. Diam. 23 mill. 



San Christoval, Solomon's Is. 



H. SANCT^^ANN^:, Smith. PI. 18, figs. 56-58. 



Narrowly, deeply umbilicated, acutely keeled, light yellowish 

 brown, sometimes with a few pale radiating streaks on the upper 

 surface, with oblique growth-lines ; whorls 5, rather slowly increas- 

 ing, slightly convex, depressed and margined above the suture, last 

 whorl not descending, compressed at the keel ; aperture flesh- 

 tinted, basal margin a little thickened, periphery with a thin callus. 



Diam. 17 mill. 



Santa Anna, Solomon's Islands. 



H. XIPHIAS, Pfr. PL 18, figs. 59-61. 



Rather widely umbilicated, somewhat thin, obliquely striated, 

 whitish corneous, with four narrow chestnut bands, carina white, 

 suture carinated ; whorls 5, slightly convex, slowly enlarging, the 

 last not descending, acutely carinated ; base of aperture nodulously 

 callous. Diam. 18 mill. 



Admiralty Islands. 



Var. ft. A little smaller, brownish, bands obsolete. 



Unfigured Species. 



H. PAPUA, Lesson. New Guinea. 



H. GASSIESI, Pfr. New Hebrides. 



H. ZENOBIA, Pfr. New Georgia. 



