BIRDS OF THE PACIFIC DISTRICT. 19 



plateaus that border the Columbia River, and on the 

 rolling hills for a hundred miles south, it is extremely 

 abundant. 



Camp Harney. Bendire. — Only a moderately com- 

 mon resident, apparently irregularly distributed. In 

 the vicinity of Camp Harney they are mostly found in 

 the juniper groves during cold weather, and the birds 

 live almost exclusively on the berries of these trees. 

 The eggs usually number from eleven to fourteen. 



Hoffman. Found in moderate numbers at Bull Run 

 Mountain. 



Ridgway. This grouse, known universally among the 

 western people as the "prairie chicken," we found in 

 the upper Humboldt Valley near " Trout Creek," where 

 it was abundant. 



British Columbia. John Fannin. — Tolerably abun- 

 dant; only east of the Cascades. 



[Perhaps Mr. Fannin's note refers to the northern 

 sha,Tii-ta,il Pedioccetesphasianellus, the habitat of which is 

 given in the recent check list of the A. 0. U. as follows: 

 British America, from the northern shore of Lake Supe- 

 rior and British Columbia to Hudson's Bay Territory and 

 Alaska.] 



15, Centrocercus urophasianus (Bonap.) Sage Grouse. 



Cooper, 1860. Common on the high barren hills and 

 deserts east of the Cascades. 



Suckley, 1860. Abundant on the sage plains of Ore- 

 gon near Snake River on both sides of the Blue Moun- 

 tains. They are also found along the line of the Col- 

 umbia River on the open plains and again on the sage 

 barrens of the Yakima and Simcoe valleys in Washing- 

 ton Territory about latitude 46°-47° north, in fact where- 

 ever " sage " (Artemisia) abounds this bird is found. 



Camp Harney. Bendire. — A common resident spe- 



