118 BIRDS. 



FAMILY XLIX. TETRAONID^E. 



(The Grouse.) 



Nostrils and tarsus densely feathered. Toes usually 

 naked. Tail various with sixteen to twenty feathers. 

 Usually a naked strip over eye; sides of neck often with 

 a bare patch or lengthened feathers, or both. Genera 

 seven; species fifteen; chiefly North American. 

 * Toes naked. 



f Tarsus feathered to the toes. 



J Tail of 16 feathers; colors dark. . . . CANACE, 1. 

 # Tail of 18 feathers. 



a. Neck without peculiar feathers; middle tail feathers pro- 

 jecting PEDICECETES, 2. 



aa. Neck with peculiar, elongated, lanceolate feathers above 



a large, bare, bright-colored patch. . CUPIDONIA, 3. 



ff Tarsus feathered about half way ; tail of 18 soft, broad 



feathers. BONASA, 4. 



** Toes feathered ; winter plumage pure white. . LAGOPUS, 5. 



/. CANACE, Reichenbach. AMERICAN GROUSE. 

 < Tetrao, L. 



1. C. canadensis, (L.) Reich. SPRUCE PARTRIDGE. 

 CANADA GROUSE. Black above with plumbeous mark- 

 ings; mostly black below with white spots; tail with an 

 orange brown terminal band; $ smaller, black interrupted 

 or streaky; L. 16; W. 6f; T. 5. Spruce swamps, N. 

 U. S. and Northward. 



2. PEDKECETES, Baird. SHARP -TAILED GROUSE. 



1. P. phasiariellus, (L.) var. columbianus, (Ord.) Coues. 

 SHARP -TAILED GROUSE. Chiefly yellowish brown and 

 white; sexes alike; L. 18; W. 8f; T. 5. Illinois to 

 Colorado, N. and W. 



