Myopus schisticolor (Lilljeborg, 1844) . Ofv. K. Svenska Vet.-Akad. Forhandl. Stockholm, I, p. 33.

TYPE LOCALITY: Norway, Gulbrandsdal, N end of Mjosen, near Lillehammer .

DISTRIBUTION: Coniferous forest from Norway and Sweden through Siberia to Kolyma River and Kamchatka, south to the Altai Mtns, N Mongolia and NE China (Heilungkiang), and the Sikhote Alin Range (Corbet, 1978c); also a southern isolate in the Ural Mtns, near source of Ural River, about 450 km south of previously recorded limit at 58°N (see Corbet, 1984).

SYNONYMS: middendorfi, morulus, saianicus, thayeri, vinogradovi .

COMMENTS: Described in detail by Miller (1912«) and Hinton (1926); reviewed by Gromov and Polyakov (1977) and Corbet (1978c, 1984). European populations reviewed by Niethammer and Henttonen (1982). Morphological variation among Norwegian populations analyzed by Kratochvfl (1979) in context of assessing age and geographic variation. Intraspecific chromosomal variation and extraordinary sex-chromosome traits are documented by Gropp et al. (1976), Kozlovskii (1986), Lau et al. (1992), and Gileva and Fedorov (1991).