Fig. 31. Rnffed Grouse walTiing. 'Obliterated' by its higbly- 

 wroiigbt picture-pattern, based on complete obliterative shading. 

 Photographed from life by James R. Mill*^. 



Fig. 32. Nesting female Ruffed Grouse. 



Photographed from life by James R. Miller. 



