GEOLOGICAL SUEVEY OF THE TERRITORIES. 

 Centrocercus urophasianus, Sw., (sage-cock :) 



699 



Mab. — Sage plains of the uorthwest. 



We fouud sage-lieus quite numerous in the Salt Lake Basiu, theuce 

 northward to Henry's Lake, also in the Teton Basin and on Snake 

 Eiver, east of the Teton Kange. 



Pedioecetes phasianellus, Baird, (sharp-tailed grouse:) 



Hal). — Northern prairies and x)laius, from Wisconsin to Cascades of 

 Oregon and Washington. 



We met with this species at Port Neuf Eiver, thence north to Fort 

 Hall and Snake Eiver, 



Hah. — Eocky Mountain region. 



This western race of our eastern ruffled grouse (B. umbellus) was not 

 an abundant species, though it was found throughout the pine forests 

 from Teton Canon to the Yellowstone. 



Order 8.— GRALL^, WADING BIRDS. 

 Family 53. — CnARADRiiDiE, the Plovers. 

 JEgialiiis vociferus, Cassin, (killdeer:) 



HaJ). — North America to the Arctic regions ; Mexico, South America. 



