297. Dusky Grouse (Dendragapus obscurus). L. 
3S, 20; 2,18. Ad. 3. Gray tail-band over one inch 
wide on middle feather; below grayish slate; above 
blackish with fine rusty and grayish markings. Ad. 
2. 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. 0. fuliginosus). Similar 
to No. 297, but slightly darker, gray band on central 
tail feather Jess 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. 0. richardsoni). 
Similar to No. 297a, but ~o 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. &. Tail-feathers tipped with 
brown; foreback margined with bluish gray. Ad. : 
Above, bases of feathers more or less barred with rusty 
especially on foreback: throat and breast barred with 
rusty and black; belly asin male. Notes. A drumming 
aay produced by the beating of the wings. (Ben- 
ire. 
Range.—Labrador and Hudson Bay region. 
298b. Alaska Spruce Grouse (C. c. osgoodi). Ad. 
. Similar to 4d. Sf of No. 298c, but margins to 
feathers of foreback brownish ashy. Ad. @. Similar 
to Ad. & of No. 298c, but paler, barred with buff in- 
stead of rusty. 
Range.—Alaska. 
298c. Canada Grouse (C. c. canace). Ad. 3. 
Similar to Ad. 3 of No. 298. Ad. 9. Similar to Ad. 
@ of No. 298, but above more rusty, rusty bars deep- 
er and more conspicuous, showing thvoughout upper 
surface and on flanks. 
Range.—Northern New 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 60° ).’” 
(A. O. U.) 
117 
Grouse. 
