392 ON THE BIRDS 



Inhabits the north of America, extending from the Rocky 

 Mountains to the state of Maine. 



9. Tetrao phasianellus, L. 



Mottled ; tail short, cuneiform, of eighteen narrow square 

 feathers, the two middle ones much elongated, the outer white 

 at the point. 



Male and female; similar. 



Winter plumage much darker and more glossy. 



Sharp tailed Grouse, Tetrao phasianellus, Nob. Am. Orn. 

 iii. pi. 19. 



Inhabits Arctic America, as well as the high ranges of the 

 Rocky Mountains. 



10. Tetrao cupido, L. 



Mottled ; tail rather short, much rounded, of eighteen plain 

 dusky feathers ; primaries spotted with white on their outer 

 webs. 



Male ; furnished with wing-like appendages on the neck, 

 covering two loose, orange-coloured skinny bags. 



Female and young ; destitute of the cervical appendages and 

 skinny bags. 



Pinnated Grouse, Wils. Am. Orn. iii. pi. 27, fig. 1, male. 



Inhabits certain districts both of the eastern and western 

 United States : common on the Missouri, and even on the 

 Oregan. 



III. Lagopus. 



Lagopus, Vieill. Stephens. Lagopedes, Cuv. 



Tarsus and toes, and even the sole of the foot entirely co- 

 vered with feathers. Head without a crest. Tail rounded. 

 Most of the species varying greatly with the season, becoming 

 white in winter. Female differing but little from the male. 



