Zapus hudsonius (Zimmermann, 1780). Geogr. Gesch. Mensch. Vierf. Thiere, 2:358.

TYPE LOCALITY: Canada, Ontario, Hudson Bay, Fort Severn.

DISTRIBUTION: S. Alaska (U.S.A.) to S. coast Hudson Bay to Labrador (Canada), south to N. South Carolina, N.W. Alabama, N.E. Oklahoma (U.S.A.), and S. British Columbia (Canada). Isolated populations in S. Wyoming, N.C. Colorado, C. New Mexico, and E.C. Arizona (U.S.A.).

COMMENT: The S. Rocky Mtn. subspecies luteus, formerly assigned to princeps, has been transferred to hudsonius by Hafner et al., 1981, J. Mammal., 62:501-512. Reviewed by Whitaker, 1972, Mamm. Species, 11:1 -7.

ISIS NUMBER: 5301410015004001001.