74 



TETEAONID^. 



d' . Band narrower, about 0'5 inch on the 



outermost feathers fuliginosus, p. 75. 



d. Tail narrowly marj^ined with grey, but with- 

 out any terminal band richardsoni, p. 76, 



1. Dendragapus obscarus. 



Tetrao obscurus. Say, Long's Exp. R. 3fts. ii. p. 14 (1823) ; Bonap. 



Am. Orn. iii. p. 27, pi. xviii. (1828) ; id. Trans. Am. Phil. Soc. iii. 



p. 391 (1830) ; Nutt. Man. Orn. p. 666 (1832) ; Sclat. P. Z. S. 



1858, p. 1 [Trinity Mts., N. California] ; Baird, B. N. Am. p. 620 



(1860) ; Gray, List Gallinee Brit. Mus. p. 86 (1867) [part.] ; id. 



Hand-l. B. i'i. p. 276 (1870); Cooper, Calif. Orn. i. p. 526 (1870) 



[part.]; Scott, Nutt. Orn. C. iv. p. 96 (1879) [Colorado]; Brew, 



Nutt. Orn. C. vi. p. 142 (1881) [Colorado]. 

 Canace obscm-a, Bonaj}. C. R. xlv. p. 428 (1857); Belding, P. U.S. 



Nat. Mus. i. p. 4-38 (1878) [Central California] ; Mearns, Bull. Nutt. 



Orn. C. iv. p. 197 (1879) [Ft. Klamath] ; Coues, Key, p. 579 



(1884) ; Dretv, Auk, ii. p. 17 (1885) [Colorado] ; I£ensk. Auk, iii. 



p. 80 (1886) [N. Mexico]. 

 Dendragapus obscurus, Elliot, P. Ac. Philad. 1864, p. 23 ; id. Man. 



Tetr. pi. vii. (1865) ; A. O. U. Check-l. p. 170 (1886) ; Ridgw. 



Man. p. 195 (1887) ; Mearns, Auk, vii. p. 52 (1890) [Arizona]. 

 Canace obscurus, \ar. obscurus, Baird, Brexo., Sf Ridgio. N. Amer. B. 



iii. p. 422 (1874). 



Adult male. General colour above smoky black, mottled, especially 

 on the lower back, rump, and upper tail-coverts, with grey ; wing- 

 coverts, scapulars, and outer secondaries mottled and irregularly 

 barred with brown, most of the median wing-coverts and scapulars 

 with terminal white shaft-spots ; primaries and rest of secondaries 

 brownish black, the latter irregularly margined and tipped with 

 whitish ; lores, chin, and throat white, spotted with black, cheeks 

 smoky black ; a dark smoky-black band across the sides and fore 

 part of the neck ; axillaries and most of the under wing-coverts 

 pure white, a hidden white patch on each side of the neck ; chest, 

 breast, and belly light grey, each feather narrowly margined with 

 white ; sides like the scapulars ; flanks and under tail-coverts grey, 

 mottled and barred with black, and with white shafts and tips ; tail 

 black, widely tipped with dark grey, the band on the middle feathers 

 varying in width from 1 to 1'5 inch, and on the outermost feathers 

 from 0-5 to 0-8 inch. Total length 19"5 inches, wing 10, tail 6-7, 

 tarsus 1*7. 



Immature male. Has the plumage very similar to the female, but 

 the feathers of the chest are not barred with buff ; the outer pri- 

 maries are pointed and mottled with buff towards the tip. 



Adult female. General colour above smoky black, barred, espe- 

 cially on the top of the head, mantle, and scapulars, with buff, and 

 mottled towards the tips of the scapulars, wing-coverts, rump, and 

 upper tail-coverts with pale sandy buff; quills as in the male, but 

 the outer margins of the secondaries have the whitish-buff markings 

 coarser and more broken up ; lores, chin, and throat white, spotted 

 with black ; axillaries and most of the under wing-coverts pure 

 white ; chest and upper breast grey, barred with buff and black 



