694 GEOLOGICAL SURVEY OF THE TEERITOEIES. 



Ficoides arcticus, Gray, (three-toed woodpecker :) 



No. 



Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



ijocality. 



236 



62261 



<? 



Aug. 26, 1872 



8f X Ui 



Lower Geyser Basin, Wyo. 



Hab. — Northern portions of the United States to the Arctic regions, 

 from the Atlantic to the Pacific. 



But one specimen of this species was observed on our route. 



Picoides dorsalis, Baird, (striped three-toed woodpecker :) 



No. 



Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



237 



62262 







Aug. 26, 1872 



7i| X 14t 



Lower Geyser Basin, Wyo. 



Hob. — Rocky Mountain region. 



One morning, while at breakfast, in the Lower Geyser Basin, I saw 

 this and the preceding species busily engaged searching for grubs in a 

 dead tree near camp. I took my gun and succeeded in shooting both 

 birds. This also is the only specimen of its species seen during the 

 summer. 



Sphyrojncus williamsonii, Baird, (Williamson's woodpecker:) 



No. 



Catalogue 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



254 



62263 



$ 



Sept. 6, 1872 



8f X 16i 



Head-waters of the Madison 

 River, Wyo. 



Hab. — Rocky Mountains to the Cascade Mountains. 



As we were crossing the main divide of the Rocky Mountains, on the 

 6th of September, when the ground was covered with snow, I succeeded 

 in shooting the only specimen seen of this rare and beautiful wood- 

 pecker. 



Sphyropicus thyroideus, Baird, (brown-headed woodpecker :) 



No. 



Catalogue- 

 number. 



Sex. 



Date. 



Measure- 

 ments. 



Locality. 



226 



62259 



Juv. 



Aug. 13, 1372 



9x151 



Madison River, Mont. 



Hab. — Wooded Rocky Mountain regions to Pacific slope. 



This is another rare species, but two specimens of which were seen. 



