GEOLOGICAL SURVEY OF THE TERRITORIES. 699 



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



■KT Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



162 62223 

 176 1 62225 

 221 62224 



1 



Juv. 



9 



July 16,1872 

 July 20,1872 

 Aug. 8, 1872 



15i X — 

 22 X 39i 

 21 X 35i 



North Fork, Idaho. 



Do. 

 Henry's Lake, Idaho. 



KaJ). — Sage plains of tlie northwest. 



We found sage-hens quite numerous in the Salt Lake Basin, thence 

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

 Eiver, east of the Teton Eange. 



Pedioecetes pliasianellus, Baird, 



(sharp-tailed grouse :) 



■^ Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



144 61793 



145 61792 



1 



Juv. 

 Juv. 



July 2, 1872 

 July 2, 1872 



Gi X 121 

 6i X 121 



Port Neuf River, Idaho. 

 Do. 



Mad. — Northern prairies and plains, from Wisconsin to Cascades of 

 Oregon and Washington. 



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

 Hall and Snake Eiver. 



Bonasa unihellus, var. umhelloides, Baird, 



Jgray mountain grouse :) 



Ko. 



Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



188 

 288 

 9qo 



62353 

 62354 

 62355 

 62356 

 62357 



5 

 Juv. 



Juv. 

 Juv. 



July 24,1872 

 Sept. 27, 1872 

 Sept. 28, 1872 

 Sept. 30, 1872 

 Sept. 30, 1872 



16 X 22 

 12i X 20 



T6tou Caiion, Idaho. 

 First Teton Lake, Wyo. 

 Do. 



292 

 293 



141 X 21-i 

 14f X 22f 



Snake River, Wyo. 

 Do. 



Sal). — Eocky Mountain region. 



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

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

 from Teton Caiion to the Yellowstone. 



Order 8.— GRALL^, WADING BIRDS. 

 Family 53. — Chakadeiid^, the Plovers. 

 ^gialitis vociferus, Cassin, (killdeer:) 



No. 



Catalogue- 

 number, 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



89 

 250 



61645 

 62362 



9 



June 17,1872 

 Aug. 28,1872 



9f X 20| 

 10| X 191 



Salt Lake, Utah. 



Lower Geyser Basin, Wyo. 



Hal). — Xorth America to the Arctic regions ; Mexico, South America. 



