262 HELIX. 



H. SAHARICA, Debeaux. (unfigured). Oran, 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. PI. 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. PL 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. PI. 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 costse, less marked below ; whorls 4, grad- 

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

 front. Diam. 6 mill. 



Tasmania* 



