220 RUFFED GROUSE. 



Length 18 inches, extent of wings 2 feet ; bill along the ridge |, along 

 the gap lj\ ; tarsus lj\, middle toe 1|. 



Adult Female. Plate XLI. Fig. 8. 



The plumage of the female is less developed and inferior in beauty. 

 The feathers of the head and ruff are less elongated, the latter of a 

 duller black. The tints of the plumage generally are lighter than in 

 the male. 



