MAP 23— RANGE OF THE WOODCHUCKS OF NORTH AMERICA, 



his map is founded chiefly on the published chart of the U. S. Biological Survey (Doc. 132, Senate, 1907) and on the records by 

 Karlane, J. Fannin. E. W. Nelson, W. H. Osgood, E. A. Preble, C. Hart Merriam, J. A. Allen, D. G. Elliot, S. N. Rhoads, 



Thi: 



R. MacK: ^ . „ 



O. Bangs, Audubon and Bachman, C. H. Townsend, E. T. Seton, ct a!. 



It must be considered diagrammatic and provisional. Ail the North American species and races are entered. 



Marmola monax (Linn.), with 3 races, 

 Marmola caligatus (Esch.), 



Marmola ofumpus (Merriam\ 

 Marmota flaviccnler ( Aud. & Bach), with 2 races. 



419 



Marmola dacota (Meiriam), 



