76 HELIX. 



H. TERNATANA, Guillou. PL 14, figs. 11-14. 



Narrowly umbilicated or perforated, solid, obliquely striated, 

 brownish, the carina lighter colored, base somewhat shining; 

 whorls 7, the upper ones acutely carinated, the last obtusely angu- 

 lated ; peristome simple, thickened at the base. Diam. 20'5 mill. 



Moluccas. 



Var. MAJOR. More depressed, whorls 81 ; diam. 23 mill. 



Yar. MINOR. More elate. Diam. 16 mill. 



H. Batchianensis, Pfr. (fig. 11), is a synonym. The species varies 

 greatly in form, as shown by my figures of several of the extremes. 



H. MEMBRANICOSTA, Pfr. PL 14, fig. 15. 



Moderately umbilicated, thin, membranously ribbed, slightly 

 shining, brownish corneous ; whorls 7, somewhat convex, slowly 

 increasing, the last not descending, periphery carinate, base more 

 convex. Diam. 11 mill. 



Solomon's Is. 



H. EXALTATA, Pfr. PL 14, fig. 19. 



Perforate, rather thin, minutely decussated by oblique and spiral 

 .striae, waxy, whitish, with a superior narrow chestnut band ; whorls 

 7, scarcely convex, the last not descending, moderately convex 

 below r the peripheral carina. Diam. 15 mill. 



Solomon's Is. 



It is H. Cleryi, Reeve, not Recluz. 



H. BELMOREI, Cox. PL 14, fig. 16. 



Widely umbilicated, rather solid, opaque, slightly irregularly 

 obliquely striated, dark chestnut color; whorls 6, flat, suture 

 indistinct, last whorl very acutely carinated, not depressed in front, 

 base plane, roughly striate, excavated around the umbilicus. 

 Diam. 1 inch. 



Solomon's Is. 



H. FATIGATA, Cox. PL 14, figs. 17, 18. 



Deeply, widely umbilicated, roughly obliquely striate above, 

 more finely below, light yellowish brown, base paler ; whorls 6, flat, 

 obliquely margined and pinched at the suture, periphery acutely, 

 flatly carinated, shining below, excavated around the umbilicus. 



Diam. 18 mill. 



Solomon's Is. 



