WOOD CHUCK 





'''* ^^'U^l^l^^'^'r'' ""^ ^^^ 'P^^^^^ ^^^ subspecies of the 

 Marmota cahgata group, after A. H. Howell 



Marmota caligata caligata 

 Marmota caligata sheldoni 

 Marmota caligata oxytona 

 Marmota caligata okanagana 

 Marmota caligata nivaria 



6. Marmota caligata cascadensis 



1. Marmota caligata vigilis 



S. Marmota olvmpus 



9- Marmota vancouverensis 



191 



