442 



SUBGENUS II. TETRAO. 



Flesh black. 



206. Tetrao cupido, L. Mottled ; tail rather short, much 

 rounded, of eighteen plain dusky feathers ; primaries spotted 

 with white outside. 



Male, neck furnished with wing-like appendages, &tc. 



206. bis. Tetrao urophasianus, Nob. Tail cuneiform, of twen- 

 ty narrow, tapering, acute feathers. 



Male black. 



Female and young mottled. 



Cock of the plains, Tetrao urophasianus, Nob. Am. Orn. 

 Hi. ph 21. Jig. 2. 



Inhabits the extensive plains near the sources of the Mis- 

 souri. The largest of North American Grouse. Size of 

 T. urogallus, which replaces it in Europe. 



207. Tetrao obscurus, Say. Tail slightly rounded, of twenty 

 broad, rounded, blackish feathers; primaries unspotted. 



Male black. Female and young dusky, somewhat mot! led. 



Dusky Grous, Tetrao obscurus, Nob. Am. Orn. iii.pl. iy. 

 female. 



Inhabits near the Rocky Mountains. Size of T. tetrix of 

 Europe, of which it is the analogue. 



208. Tetrao canadensis, L. Tail moderate, rounded, of six- 

 teen black, rounded feathers ; breast, flanks, and tail-coverts 

 spotted with white. 



Male black, waved with gray ; throat and breast deep 

 black. 



Female mottled ; throat and breast banded with black and 

 rufous. 



Spotted Grous, Tetrao canadensis, Nob. Am. Orn. Hi. 

 pi. 22. male. pi. 23. fig. {.female. 



Inhabits the north of America, extending to the Rocky 

 Mountains : found in Maine, Michigan, and New-York. 



