... New data on the geographic distribution of chromosome races of Sorex araneus (Soricidae, Eulipotyphla) in European Russia . ... New information is presented on the distributional ranges of the West Dvina, Moscow, Neroosa, Serov, Sok and Yuryuzan chromosome races in European Russia. ... No new chromosome races were discovered but our data added substantially to the known geographic range of the Serov race both north- and southwards from the Asian slopes of the Ural Ridge where it was first described....