BIRDS OF NORTH AND MIDDLE AMERICA 85 



C[anace] o[bscura] richardsoni Coues, Key North Amer. Birds, ed. 2, 1884, 579, 



part. 

 Canace richardsoni Baird, Brewer, and Ridgway, Hist. North Amer. Birds, iii, 



1874, pi. 59, fig. 4, part.— Bendire, Proc. Boston Soc. Nat. Hist., xviii, 1875, 



163 (Camp Harney, Oreg.). 

 Telrao obscurus (not of Say) Swainson and Richardson, Fauna Bor.-Amer., 



ii, 1831 (1832), 344, pis. 59, 60.— Audubon, Orn. Biogr., iv, 1838, 446, pi. 361, 



part; Synopsis, 1839, 203, part; Birds Amer., 8vo ed., v, 1842, 89, pi. 295, 



part.— Baird, Rep. Pacific R. R. Surv., ix, 1858, 620, part (spec. No. 2859) ; 



Cat. North Amer. Birds, 1859, No. 459, part.— Blakiston, Ibis, 1862, 8 (east 



base Rocky Mountains near Belly River) ; 1863, 121 (Rockj^ Mountains, nw. 



Canada). — Grinnell, in Ludlow, Rep. Recon., 1876, 84 (Judith Mountains to 



Yellowstone Park, Mont.; habits). 

 (?) Canace obscurus Bendire, Proc. Boston Soc. Nat. Hist., xix, 1877, 137, part? 



(Camp Harney, south-central Oregon; crit.). 

 Dcndragapus obscurus Hand, Condor, xliii, 1941, 225 (St. Joe National Forest, 



Idaho). 

 Dendragapiis obscurus obscurus Saunders, Auk, xxviii, 1911, 35, part? (Gallatin 



County, Mont.; crit.). — Hellmayr and Conover, Cat. Birds Amer., i. No. 1, 



1942, 198 (S3n.; distr., part). 

 Dendragapus obscurus fuliginosus Bendire, Auk, vi, 1889, 32, part (Bitterroot 



Mountains, Mont.; near Fort Lapwai, Idaho). — Saunders, Pacific Coast Avif., 



No. 14, 1921, 55 (Montana). 

 Dendragapus o[bscurus] fuliginosus Merriam, North Amer. Fauna, No. 5, 1891, 



93 in text (Idaho — Boise Mountains, foothills of Wiser Valley Mountains, 



and mountains near Fort Lapwai). 

 Canace fuliginosus Bendire, Proc. Boston Soc. Nat. Hist., xviii, 1875, 163 (Camp 



Harney, Oreg.). 

 Dendragapus obscurus fiemingi Taverner, Auk, xxxi, 1914, 385, (near Teslin 



Lake, s. Yukon; coll. Mus. Geol. Surv., Dept. Mines, Canada); Can. Dept. 



Mines Mus. Bull. 7 (biol. ser.), 1914, 2.— Swarth, Univ. California Publ. Zool., 



xxiv, 1922, 203 (Doch-da-on Creek and Kirk's Mountain, Stikine region, south 



Alaska; crit.); xxx, 1926, 73 (crit.; rev.; plum.; distr.), 84 in text; Condor, 



xxix, 1927, 169 in text (corr.). — American Ornithologists' Union, Auk, xi, 



1923, 517 (east Yukon and southwest Mackenzie to north British Columbia; 



Check-Hst, No. 297d) ; Check-list, ed. 4, 1931, 79 (distr.).— Brooks, Condor, 



xxix, 1927, 113 (crit.); Auk, xlvi, 1929, 112 in text (crit.; tax.).— Bent, 



U. S. Nat. Mus. Bull. 162, 1932, 102 (habits, plumage; etc.).— Hellmayr and 



Conover, Cat. Birds Amer., i. No. 1, 1942, 197 (syn. ; distr.). 

 D[cndragapus] obscurus fiemingi Swarth, Univ. California Publ. Zool., xxx, 



1926, 74 in text (map; distr.), 75 in text (fig. of tail feathers). 

 Dendragapus obscurus fiemingi Taverner, Birds Western Canada, 1926, 165 in 



text (north interior of Canada) ; Birds Canada, 1934, 152 in text. 

 T[yinpanuchus] richardsoni Reichenow, Die Vogel, i, 1913, 320. 



DENDRAGAPUS OBSCURUS OBSCURUS (Say) 



Dusky Grouse 



Adult male. — Similar to that of Dendragapus obscurus sierrae but with 

 a much broader and clearer, unmarked, gray terminal band on the tail ; 

 somewhat paler above and clearer gray, less brownish, below ; more white 

 on the chin and throat, and with the under tail coverts gray banded with 



653008°— 46 7 



