List of land and freshwater animal species 117 



oxYCHiLus (hyalinia) cellarius O. F. Mull. 



Brit. Isl., W & C Eur. E to Leningrad; f Oreg., Calif.; E U.S.A., E Can., 

 N. Afr., Cauc, Hither Asia. Nov. Scot. 



t S. Amer., S. Afr., Austral. 



OXYCHILUS (hyalinia) draparnaldi Beck {lucidus Drap.) 



Brit. Isl., Eur. (not indig. N of Holl.) f Wash.-Calif.; E U.S.A., E Can., Nfld. 

 E to C Russia; N. Afr., Hither Asia. 



OXYCHILUS (hyalinia) helveticus Blum 

 Brit. Isl., W & C Eur. N to Belg. f Calif. 



RETiNELLA (PERPOLiTA, HYALINIA) HAMMONis Stroem {radiatula Aid.) 



/. typ. sbsp. electrina Gould^ 



Icel., Faeroes, Brit. Isl., Eur. (except Alas.-Labr., S to New Mex. & Ariz., 



the south), N Asia E to Kamch., Nov. Scot., Nfld. 

 Japan. 



ZONITOIDES ARBOREUS Say 



t Brit. Isl., C & W Eur. E to C Russ. Brit. Col.-Labr., Nfld., entire U.S.A. 



C Amer., W. Ind. 



Kamch. (probably indig.). 



t Japan, S. Afr., Austral. 



ZONITOIDES NITIDUS O. F. Miill. 



Brit. Isl., Eur. (generally), N. Afr., Alas.-E Can., Nfld., S to Maryl. & 



Cauc, C & N Asia, Japan. Utah. 



t Austral. 



Limacidae 



DEROCERAS CARUANAE Poll. 



S & W Eur., N. Afr. t Calif. 



(Original patria?) 



DEROCERAS (agriolimax) laeve O. F. Mull., SBHsu lato {campcstrc Binn.) 



Icel., Faeroes, Brit. Isl., Eur. E to C Alas.-Nfld.-S Baffin L.; S to S U.S.A. 



Russia, Hither Asia (forms from N 

 Asia possibly conspecific). 



t C & S. Amer., S. Afr., Austral. 



^ Often regarded as distinct species {vide Pilsbry, 1946, p. 258). 



