68 CALIFORNIA MAMMALiS. 



Citellus beechey douglassi Richardson. (For Da\id 



Douglass. ) 



DOUGLASS GROUND-SQUIRREL. 



Pattern of coloration as in beeclieyi; light spots white; 

 gray tips of hairs of tail whiter ; a wedge shaped black area on the 

 shoulders and neck between the light neck patches; black stripe 

 on ears indistinct, sometimes lacking ; occipital rest of skull heav- 

 ier. In examples from Mendocino and Lake Counties the hoary 

 patches on the sides of the neck are nearly as dark as the sides. 

 'These western animals have smaller feet than those from the 

 northeastern part of the State. 



Length about 445 mm. (17.50 inches) ; tail vertebra 195 

 (7.66); hind foot 57 (2.25). 



Type locality, Columbia River, eastern Oregon. 



Douglass Ground-Squirrels are more or less common in the 

 valleys in the northern part of the State, though not as abund- 

 ant as the southern form often becomes. They are found in 

 many parts of Oregon and in Washington. In the northern 

 parts of the Sacramento Valley the Ground-Squirrels are in- 

 termediate between the Douglass and Californian subspecies. 

 The habits of these races are similar. 



Citellus beechey fisheri Merriam. (For Dr. A. K. 



Fisher. ) 



FISHER GROUND-SQUIRREL. 



Similar to beccheyi but everywhere paler; sides of neck and 

 shoulder stripes clear silvery white, in strong contrast with the 

 color of the body ; sides of body thickly beset with indistinct whit- 

 ish spots, narrowly bordered with dusky posteriorly ; black ear 

 stripe not sharply defined ; eyelids and knver part of face whitish, 

 under parts and feet buffy. 



Size of beccheyi. 



Type locality, 25 miles above Kernville, California. 



Fisher Ground-Squirrels occur in the southern part of the 



