514 Life-histories of Northern Animals 



dusky; tail darker and less sharply bicolor; ears brownish; 

 side spots in old males sooty gray. Toung slightly darker 

 than adults." {Bailey.^) 



Carberry and Pembina specimens prove to be intermedi- 

 ate but nearer loringi than gapperi; Turtle Mountain examples 

 should be true loringi. 



Life-history. 



This is a prairie race; it is found in the wooded valleys 

 of western Minnesota, eastern South Dakota, eastern North 

 Dakota and south-western Manitoba, as shown on Map 28. 



As there is no reason to suppose its habits are different 

 from those of true gapperi, the preceding chapter may be con- 

 sidered as applying to both. 



* Revision, genus Evotomys. Proc. Biol. Soc. Wash., May 13, 1897, pp. 125-6. 



