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HELIX. 209 



H. MAACKII, Gerstfeldt. PI. 47, figs. 60-62 : PI. 48, figs. 65-67. 



More or less perforate or narrowly umbi Heated, thin, translucent, 

 distinctly obliquely striate or subplicate, scarcely shining, yellowish 

 brown, with three chestnut bands, suture moderate ; whorls 6-7 ; lip 

 a little reflected, thickened within. Diara. 30 mill. 



Amur country; L. Poiang, China. 



Var. CONRAUXIANA, Heude. Figs. 62, 65, 66. 

 Shell more depressed, with larger umbilicus. 



This=var. depressa, of Pfr. (Figs. 65, 66). 

 Var. UNIZONALIS, H. Adams. Fig. 67. 



Whorls less convex, the last larger, with a single peripheral 

 band. 



H. Kiangsinensis, Martens, is a synonym. 



H. BILLEANA, Heude. PL 48, figs. 68-70. 



Narrowly umbilicated, solid, closely and strongly obliquely 

 striate, fulvous, with three chestnut bands ; whorls 5, the last large, 

 slightly descending in front, convex below ; peristome scarcely 

 reflected, thickened within. Diam. 27 mill. 



Kiuntclieou, China. 



Perhaps only a variety of H. MaacMi. 



H. WEYRICHI, Schrenck. PL 48, figs. 71, 72. 



Umbilicus narrow, partly covered, a little solid, obliquely striate 

 or subplicate, decussated by spiral lines, yellowish white or greenish 

 yellow, with a chestnut band, opaque ; whorls 5-6, the last ventri- 

 cose ; lip acute, subreflected, with a white rim within. 



Diam. 28 mill. 



Sachalien IsL 



H. TOURANNENSIS, Souleyet. PL 48, figs. 73, 74, 77. 



Narrowly umbilicated, distinctly, closely striated, greyish yellow, 

 subdiaphanous ; whorls 6, the last with inflated base; peristome 

 pinkish, a little expanded, white lipped within. Diam. 15 mill. 



Cochin China, Macao, Burmah. 



H. globula, Lea. H. clusilis, Val. and H. Bolus, Benson, (fig. 77.) 



are synonyms. 



j\ 



Var. RHODOSTOMA, Moll. 



Peristome rosy or purple. 

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