of the United States. 127 



Pinnated Grous, Tetrao cupido, Wils. Am. Orn. in. p. 104. 

 pi. 27- Jig. 1. male. 



Inhabits desert open plains in particular districts of the 

 Union, avoiding immense intermediate regions. Found in 

 Maine, New-Jersey, Long-Island, Pennsylvania, Kentucky, 

 Louisiana, Indiana : very common beyond the Mississippi, 

 Missouri, and even on the Oregon. 



207. Tetrao obscurus, Say. Slightly crested ; tail rounded, 

 blackish, with a broad terminal band of whitish-gray, dotted 

 with black ; middle tail feathers mottled, lateral ones plain ; 

 toes not pectinated. 



Male unknown ; probably glossy black ? 



Female and young, black brown, varied with ochraceous 

 and white. 



Dusky Grous, Tetrao obscurus, Say, in Long'sExp. ii.p. 14. 



Inhabits the territory of the United States near the Rocky 

 Mountains. 



208. Tetrao canadensis, L. Subcrested; blackish; breast, 

 superior and inferior tail coverts, banded with white ; tail 

 moderate, slightly rounded, of sixteen plain black feathers ; 

 toes not pectinated. 



Male blackish, barred with grey-brown : throat black. 



Female and young, much lighter and more varied ; throat 

 rufous. 



Tetrao canadensis, L. (Buff. pi. enl. 131.) male. 



Tetrao canace, L. (Buff. pi. enl. 132. ) female. 



Inhabits the western wilds of the United States beyond 

 the Mississippi, and the north-western part of Maine and 

 Michigan : more common in Canada, at Hudson's Bay, and 

 other high northern latitudes. 



209. Tetrao phasianellus, L. Subcrested ; mottled; tail 

 short, cuneiform, of eighteen feathers ; two middle ones much 

 the longest ; toes strongly pectinated. 



