GUDE : LIST OF HELICOID LAND SHELLS 



serotina, A. Ad. Saghalien. 

 maacki, Gerstf. Amur, 

 sclskii, Gerstf. Amur, 

 inddendorffi, Gerstf. 



Wladiwostock ; Amur, 

 cincto-inflata, Mouss. 

 Wladiwostock. 

 similaris v. arcasiana, Cr. and 



Deb. Amur, 

 weyrichi, Schrenck. Amur. 

 Saghalien. 

 Genus Cathaica, Mdff. 

 Sub-genus Eucathaica, Andr. 



nordenskioldi, ^^^est. Altai ; 

 Jenissei ; Amur. 



= rufescens, Schr. 



V. depressa, West. 



V. planata, West, 

 verna, West. Irkutsch. 



= hispida, Schr. 

 dieckmanni, Mouss. Amur, 

 stuxbergi, West. Altai ; Amur, 

 annexa, West. Irkutsch. 



= rufescens, Schr. 

 czekanowskii, West. Irkutsch 

 eutheta, West. Amur. 



graeseri, Mouss. Wladiwostock. Section Dibothrion, Pfr. 



Belogona Siphonadenl\, Pils. 

 Genus Helicella, Fer. 

 Section Helicella, s.s. 



apollinis. Mart. Altai. 

 Section Theba, Risso. 

 strigella, Drap. Amur 

 duiensis, West. Saghalien. 

 schrencki, Midd. Altai ; 



Jenissei; Irkutsch ; Trans- 

 Baikal ; Amur. 

 = sibirica, Friv. 

 helvola, Friv. ? W. Siberia, 

 carthusiana, Miill. Irkutsch ; 

 Amur. 

 Genus Hy(;romia, Risso. 

 Section MOiNACHa, Fitz. 



bicallosa, Friv. Altai, 

 sibirica, West. Amur 

 = gerstfeldti, Dyb. 

 Genus Acanthi nula, Beck. 

 Section Zoogenites, Morse, 

 harpa. Say. Amur. 

 = amurensis, Gerstf. 

 Genus Vallonia, Risso. 



pulchella, Miill Jenissei ; Amur 

 costata, Miill. Irkutsch ; 

 Jenissei ; Amur. 

 V. amurensis, Sterki. Amur, 

 tenuilabris, Braun. 

 adela. West. Irkutsch ; Jenissei; 

 Amur. 

 Genus Hklick;ona, Fer. 



frequens, Mouss. ? W. Siberia. Section Chilostoma, P'itz. 



incarnata, Miill. ? W. Siberia. 

 Section Fruticicola, Held, 

 hispida, L. ? Amur, 



sericea, Drap. Irkutsch ; Amur, 

 rufescens, Penn. Irkutsch ; 

 Amur. 

 = strigella, Gerstf 

 rhysota v. altaica, AV^est. Altai. 



ussuriensi-. West So. Ussuri 

 Distr. 

 Section Isognomostoma, Fitz. 



supersonata, Midd. E. Siberia. 

 Genus Helix, L. 

 Section Tachea, Leach, 

 atrolabiata v. laeta, West. 

 Awtrasia. 



iii. AFGHANISTAN. 

 One of the least known regions as regards MoUusca is undoubtedly 



