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CAANCE OBSCURUS, VAR. RICHARDONITI (Dovuctas). 
RICHARDSON’S DUSKY GROUSE. 
Specific Character—Back and wings blackish brown crossed with wavy — 
lines of slaty gray, mixed with yellowish brown on the scapulars. Long feathers 
of the sides tipped with white, under parts light slate mixed with white on lower 
parts Cheeks black, chin and throat speckled with black and white feathers on 
sides of the neck slightly enlarged, covering a rudimentary air sac. Tail brown- 
ish black veined and marbled with grey and having a broad terminal band of 
the same colour, Female smaller, more varied and generally lighter in colour, 
but having the under parts and bar at the end of the tail slaty gray, as in the 
male. Length, 20 to 22 inches ; wings, 9 to 10 inches ; tail, 7 inches. 
Habitat.—Rocky Mountains from central Montana northward into British 
America. | 
Eggs creamy buff spotted with chocolate brown. Mr. MclIlwraith who gives 
the above description, quotes Mr. C. J. Bampton of Sault Ste. Marie as being the 
only observer who has recorded the occurrence of this bird in Ontario. He has 
often seen it brought into the market there. 
