352 APPENDIX 



(a) Sooty Grouse {Dendragapus ohscurus fuliginosus). 

 Hab. — Northwest coast mountains from California to Sitka; east 

 to Nevada, Western Idaho, and portions of British Columbia. 



Said to be darker than No. 8, and to have narrower band on its tail. 



{p) Richardson s Grouse {Dendragapus obscurus richardsonii). 



Hab. — Rocky Mountains, especially on the eastern slopes from Cen- 

 tral Montana, Northern Wyoming, and Southeastern Idaho, into Brit- 

 ish America to Liard River. 



Very similar to other dusky grouse ; tail without. terminal gray band. 



9. Canada Grouse. — Dendt-agapus canadensis. 



General color black or grayish black ; upper parts gray, barred 

 with black; wings gray-brown mottled and barred with black and 

 brown ; under parts black, effectively marked with white ; throat black 

 with speckled white border ; long white marks on sides ; legs feath- 

 ered to the toes ; bill black. Length, i^Yz to 16 in.; wing, 7 in. 



Female. — Smaller, more brown and gray in color. 



Hab. — British America east of the Rocky Mountains and west in 

 Alaska to the Pacific Coast at Kadiac and St. Michaels ; southeastward 

 to Northern Minnesota. Northern Michigan, Northern New York, and 

 Northern New England. 



{a) FrankUn's Grouse {Dendragapus franklinit). 



Very similar in size, pattern and color-markings to No. 9 ; dis- 

 tinguished by the broad white bars at the end of the upper tail coverts. 



Hab. — Northern Rocky Mountains from Northwestern Montana to 

 the coast ranges of Oregon and Washington, and northward in British 

 America, reaching the Pacific Coast of Southern Alaska (Lat. 60 " N.). 



10. White-tailed Ptarmigan. — Lagopus leucurus. 

 Winter, plumage white. Legs and feet feathered. 



11. White-tailed Ptarmigan (see No. 10). — Summer. 



Summer, plumage is mottled brown, black, and gray ; under parts 

 white ; often more or less white on wings. In spring and autumn the 

 birds are more or less white, as the change from summer to fall plumage, 

 or winter to spring plumage, takes place. Length, 14 in. ; wing, 7 in. 



//«^.— Alpine summits of the mountains of Western North 

 America from New Mexico to Liard River, British America ; west on 

 the highest ranges of Oregon, Washington, and British Columbia. 



Distinguished from all other ptarmigan by the white tail. 



