Grouse. 



297. Dusky Grouse (TDendragapus obscurus). L. 

 <^\ 20; 9, 18. Ad. cf. Gray tail-band over one inch 

 wide on middle feather; below grayish slate; above 

 blackish with fine rusty and grayish markings. Ad. 

 9- With more white below; foreback regularly barred 

 with buffy; middle tail-feathers irregularly barred with 

 buff or grayish; terminal gray band finely marked with 

 black. Notes. A loud, ventriloquial, hooting or boom- 

 ing. 



. Range. — "Rocky Mountains, from central Montana and southeastern 

 Idaho to New Mexico and Arizona; east to the Black Hills, South Da- 

 kota and west to East Humboldt Mountains, Nevada." (A. O. U.) 



297a. Sooty Grouse (D. o. fuliginosus). Similar 

 to No. 297, but slightly darker, gray band on central 

 tail feather less than one inch wide. 



Range. — "Northwest Coast Mountains.from California to Sitka. east 

 to Nevada, western Idaho and portions of British Columbia." (A.O.U.) 



297b. Richardson Grouse (D. o. richardsonii). 

 Similar to No. 297a, but no tail band, or, if showing 

 indistinctly from above, not visible from below. 



Range. — "Rocky Mountains, especially on the eastern slopes, from 

 central Montana, northern Wyoming and southeastern Idaho, into 

 British America to Liard River." (A. O. U.) 



298. Hudsonian Spruce Grouse (Canachites cana- 

 densis). L. 15. Ad. c?. Tail-feathers tipped with 

 brown; foreback margined with bluish gray. Ad. 9- 

 Above, bases of feathers more or less barred with rusty 

 especially on foreback; throat and breast barred with 

 rusty and black; belly as in male. Notes. A drumming 

 sound produced by the beating of the wings, f Ben- 

 dire.) 



Range. — Labrador and Hudson Bay region. 



298b. Alaska Spruce Grouse (C. c. osgoodi). Ad. 

 ($. Similar to Ad. $ of No. 298c, but margins to 

 feathers of foreback brownish ashy. Ad. 9- Similar 

 to Ad. 9 of No. 298c, but paler, barred with buff in- 

 stead of rusty. 



Range. — Alaska. 



298c. Canada Grouse (C. c. canace). Ad. cT- 

 Similar to Ad. $ of No. 298. Ad. 9- Similar to Ad. 

 9 of No. 298, but above more rusty, rusty bars deep- 

 er and more conspicuous, showing throughout upper 

 surface and on flanks. 



Range. — Northern Na v England, northern New York, New Bruns- 

 wick, Nova Scotia and Quebec west to northern Minnesota. 



299. Franklin Grouse (Canachites franklinii) . Re- 

 sembles No. 298, but tail without brown tips, some- 

 times tipped with white. 



Range. — "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(latitude 6o° )." 

 (A. O. U.) 



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