262 HELIX. 



H. SAHARICA, Debeaux. (unfigured). Or an, Algiers. 



H. BOSSIERI, Charp. H. FILIA, Mousson. 



Mr.Ancey has just published a new group SPHINCTEROCHILA for 

 these species ; his name will not stand, being a synonym of Mima, 

 Westerl. 1886. 



Discus, (p. 19). 

 H. RUDERATA, Studer (p. 20). 



Var. ANGULOSA, Mousson. PI. 63, fig. 69. 

 Periphery obtusely angulated. 



Amour Basin. 

 H. STOKESI, E. A. Smith. PL 22, figs. 48-50. 



Closely resembles H. coma, Gray (p. 22), but is more narrowly 

 umbilicated, just a trifle more finely lirate, and has the body whorl 

 roundly angulated above the middle, 



New Zealand. 



H. GANODA, Mabille. (unfigured). Canary Is. 



H. HELVA, Cox. New Hebrides. 



H. STEPHENSI, Cox. PI. 37, figs. 74-76. 



Deeply, narrowly umbilicated, thin, transparent, dull brownish 

 yellow; whorls 5, the last rather inflated, not descending, coarsely 

 widely costulate, the interstices finely striate. Diam. 7'5 mill. 



Tasmania. 



See p. 46. 



H. PLEXUS, Cox. PL 37, figs. 77, 78. 



Deeply, narrowly umbilicated, thin, dull pale horny brown, 

 irregularly widely costulate, the interstices finely transversely striate ; 

 whorls 5, the last deflected in front, base smoother; margins of 

 peristome joined by a rather thick callus. Diam. 6 mill. 



Tasmania. 



See p. 46. 



H. POSITURA, Cox. PL 37, figs. 79, 80. 



Very narrowly umbilicated, thin, dull chestnut brown color, with 

 strong, widely separated costaB, less marked below ; whorls 4, grad- 

 ually increasing, the last expanded, subcarinated, not depressed in 

 front. Diam. 6 mill. 



Tasmania. 



