76 



TETBAONIB^. 



Adult female. Only to be distinguished from the female of D. 

 ohscurus by having a narrower grey band across the tip of the tail. 



Hah. Northern Eocky Mountains near Pacific coast, from Cali- 

 fornia to Sitka. 



a-c. (5 ad. at cJ 2 



imm. sk. 

 d, e. (S 2 ^d. sk. 



/. 2 ad. sk. 



g, h. (^ ad. sk. 

 i. c? ad. sk. 



k. Pull. sk. 



Vancouver Is. 



J. K. Lord, Esq. [P.]. 



Fort Klamath, Oregon, April, Salvin-Godman Coll. 

 Aug. (Capt. Bendire). 



Des Chutes River, Oregon, Aug. Salvin-Godman Coll. 

 {H. W. Henshaw). 



California. Dr. A. Eartlett [P]. 



Round Valley, Mend. Co., Call- Salviu-Godiuan Coll. 

 fornia, March {H. W. Hen- 

 shaw). 



North Honey Lake, Call- Salvin-Godman Coll. 

 fornia, June [H. W. Hen- 

 shaw). 



2. Dendragapus richardsoni. 



Tetrao richardsonii, Hour/l. Trans. Linn. Soc. xvi. p. 140 (1829) [W. 



side of Rocky Mts.] ; Wils. Hliist. Zool. pis. xxx., xxxi. (1831) ; 



Lord, P. H. Art. Lnst. i. p. 122 (1863) ; Baird, This, 1867, p. 271 ; 



Gray, List GalUnw Brit. Mus. p. 86 (1867) ; id. Hand-l. ii. B. p. 276 



(1870) ; Cooj). Calif. Orn. i. p. 628 (1870). 

 Tetrao obscurus, S'wains. Si- Rich, (nee Say) F. Bor.-Amer. ii. p. 344, 



pis. lix., Ix. (1831); And. Orn. Biog. iv. p. 446, pi. ccclxi. (1838) ; 



id. Syn. p. 283 (18.39) ; Nutt. Man. Orn. i. p. 609 (1840) ; Aud. B. 



A^ne'r. v. p. 89, pi. ccxcv. (1842) ; Blakist. Ibis, 1862, p. 8 [Belly R.], 



& 186.3, p. 121 ; Lord, Brit. Columb. ii. p. 164 (1866) [between 



Cascades and Rocky Mts.]. 

 Dendragapus richardsonii, Elliot, P. Ac. Philad. 1864, p. 23 ; id. Mon. 



Tetr. pi. viii. (1865). 

 Canace obscurus, var. richardsoni, Baird, Brew., Sf Ridgw. iii. p. 427 



(1874). 

 Tetrao obscurus richardsoni, Coues, Bull. U.S. Geol. Saw. iv. p. 629 



(1878) [Rockv Mts., Lat. 49°] ; Williams, Bull. Nutt. Orn. Cvii. 



p. 63 (1882) [Montana]. 

 Canace obscura richardsoni, Coues, Key, p. 579 (1884). 

 Dendragapus obscurus richardsoni, Ridyiv. P. U.S. Nat. Mus. viii. 



p. 355 (1885) ; A. 0. U. C/ieck-l. p. "171 (1886) ; Ridgw. Man. 



p. 196 (1887). 



Adult male. Easily distinguished from D. obscurus and D. fuli- 

 ginosus by having the tail uniform black, without any grey band 

 across the extremity, though the tips of the feathers have narrow 

 grey margins ; the tail, moreover, is squarer, the outer feathers 

 being slightly longer than those of the middle. 



Adxdt female. Resembles the female of D. obscurus, but has no 

 grey band across the tip of the tail, though the tips of the feathers 

 are usually margined with grey. 



HcdK Northern Rocky Mountains, from Central Montana north- 

 wards. 



a-f. d ? ad. et W. side Rocky Mts. 



imm. sk. et st. 

 ff. (S ad. sk. Fort Plalkett, May. 



J. K. Lord, Esq. [P.]. 

 B. R. Ross, Esq. [P.] 



