HELIX. 85 



rapidly enlarging, the last not descending, carina very acute, base 

 scarcely more convex. Diam. 26 mill. 



Philippines. 



/ 



H. METCALFEI, Pfr. PI. 17, figs. 17-23. 



Widely umbilicated, striulate, light or reddish corneous, often 

 with a chestnut band next the acute white carina ; whorls 6, 

 scarcely convex, a little more so beneath the carina. Diam. 21 mill. 



Philippines. 



H. solarioides, Reeve, is a synonym. 



Var. /5 minor (figs. 20, 21). Yellowish, with a narrow dark 

 chestnut band next the carina. Diam. 17 mill. 

 H. Boholensis (unfigured) is probably a synonym. 



Var. Y unicolor, Semper (figs. 22, 23). Brownish corneous, with- 

 out band. Diam. 15 mill. 



H. EXCLUSA, Fer. PI. 17, fig. 24. 



Narrowly umbilicated, striated, marbled, with two or three red 

 bands ; whorls 5, the last excavated round the umbilicus. 



Diam. 20 mill. 



New Guinea, Vanikoro. 



H. Vahine, Jacq., is a probable synonym. 



H. ACUTIMARGO, Pfr. PL 17, figs. 25-27. 



Moderately umbilicated, thin, pellucid, obsoletely concentrically 

 striated above, light corneous ; whorls 6, slowly enlarging, base 

 convex. Diam. 16 mill. 



Isle of Negros, Philippines. 



H. RADULA, Pfr. PL 17, figs. 28-30. 



Moderately umbilicated, a little solid, with close incremental 

 striae, and rough, acute, prominent concentric lines ; whorls 6, a 

 little convex, slowly increasing, base inflated, closely radiately 

 costulate-striate. Diam. 21 mill. 



Ins. Luzon, Philippines. 



H. STRIGILIS, Pfr. PL 17, figs. 31, 32. 



Moderately cylindrically umbilicated, thin, pellucid, light 

 corneous, closely costulate-striated above, reticulated by concentric 

 elevated lines, base more convex, smooth, shining ; whorls 6, nar- 

 row, scarcely convex above. Diam. 12 mill. 



Ins. Negros, Philippines. 



