80 HELIX. 



acute carina, and narrower umbilicus, the irregular incremental 

 strise whitish, producing a greyish appearance. 



Samoan Is. 



H. trochiformis, Gould, not Fer., and H. Eurydice, Mousson, not 

 Gould, are synonyms. 



Var. ALBOSTRIATA, Mousson. 



Spire brownish black, with imperfect transverse Avhite strigatious ; 

 base fulvous, w r ith a brown peripheral zone. 



Ins. Kanathia. 



H. ACCURATA, Mousson. PL 15, fig. 55. 



Narrowly umbilicated, subconcavely conical, strongly irregularly 

 striated, violaceous green, suture linear, carinate margined ; whorls 

 7, moderately enlarging, flat, the last not descending; periphery 

 acutely compressed, carinated, white, base plane, yellowish at the 

 abrupt umbilicus. Diam. 14 mill. 



Viti Jjevu, Viti Is. 



H. KUSTERI, Pfr. PL 15, figs. 48, 49. 



Subimperforate, solid, striated, chestnut colored, suture margined ; 

 whorls 6*, slightly convex, the last not descending, periphery 

 carinated, base scarcely convex ; base of peristonie callously thick- 

 ened, columella very short. Diam. 18 mill. 



Caroline Is. 



H. SOLARIUM, Quoy. PL 14, fig. 29 ; PL 15, fig. 33. 



Umbilicated, striate, diaphanous, fulvous ; whorls 7, a little 

 exserted, flat, periphery carinate, base planulate, umbilical region 

 angulated. Diam. 9 mill. 



New Ireland. 



H. INFRASTRIATA, Smith. PL 15, figs. 53, 54. 



Narrowly perforate, thin, semitransparent, corneous, with fine 

 growth lines and microscopic spiral stride ; whorls 6, slightly con- 

 vex, the last acutely carinated. Diam. 15 mill. 



Dentrecasteaux IsL, Admiralty Group. 



H. SCULPTICARINA, Martens. PL 15, figs. 56-58. 



Narrowly umbilicated, greyish yellow, closely radiately costulate 

 above, carina compressed, spirally striate above and below, base 

 radiately and spirally striate ; whorls 6, scarcely convex. 



Diam. 22 mill. 



Ins. Salanga. 



