SHARP-TAILED GROUSE. 125 
feathers, most numerous upon the breast and flanks, and grow- 
ing gradually smaller and fewer as they approach the abdomen; 
central elongated feathers of the tail, black, irregularly barred 
with white and light buff, remainder of feathers, white; under 
tail-coverts, white, with a dark brown line along the shafts of 
some of the feathers. Legs and toes, covered with hairy light 
brown feathers; bill, blackish brown. Total length, about 16 
inches; wing, 84; tail, to end of median feathers, 54. 
Adult Female.—There does not seem to be any particular dif- 
ference in the coloration of the sexes, but the female may be 
slightly smaller, 
