Reproduced by courtesy of Charles Scribner's Sons from Ernest Thompson Seton's "Life-Histories of Northern Animals." Copyrighted 1909 in •the United States, by Ernest Thompson Seton.
MAP 6.-RANGE OF THE MUSKRATS IN CANADA
Founded on records by J. Richardson, Audubon and Bachman, D. G. Elliot, C. Hart Merriam, E. A. Mearns, E. A. Preble, R. MacFarlane, E. W. Nelson, E. R. Warren, Vernon Bailey, J. Fannin, O. Bangs, R. Bell, W. H. Osgood and E. T. Seton.
The map must be considered provisional and diagrammatic. The following are recognized:
Fiber zibethicus (Linn) with its 4 races,
Fiber spatulatus Osgood. Yukon Muskrat.
Fiber occipitalis Elliott. Oregon Muskrat.
Fiber obscvirus Bangs. Dusky, or Newfoundland Muskrat.