3. TETRAO. 67 



spots ; under wing-coverts white, smoky brown towards the edge ; 

 throat and upper breast dark metallic greeu ; lower breast and 

 abdomen brownish black, tho feathers glossed with green at the 

 margins ; flanks indistinctlj^ vcrmiculated, the white spots are 

 reduced to small dots scattered over the sides of tho abdomen. 

 Under tail-coverts black, tipped with white. Tail uniform dark 

 black. Tarsi covered with smoky brown feathers. Naked skin 

 round tho eye scarlet ; bill black, much smaller than in T. urogaUus ; 

 toes dark grey. Total length 35 inches, wing 15, tail 14'8, 

 tarsus 2-7. 



Adult female. Feathers of the top of the head rufous, marked 

 with black spots glossed with blue and tipped with white ; back of 

 the neck barred with rufous, black, and white : back and upper tail- 

 coverts black, finely barred with rufous and irregularly edged with 

 yellow ; scapulars black, barred with yellow and widely tipped with 

 white, the tips formimj an interrupted line of spots ; wing-coverts 

 brownish black tipped with whitish yellow, the greater and lesser 

 ending in a large isolated white spot. Flight-feathers greyish 

 brown, outer webs of the third to the sixth primaries finely edged 

 with white ; secondaries finely mottled with rufous on the outer 

 web and narrowly margined with white ; sides of the head more 

 rufous than in T. kamtschatlcus and with larger black dots ; throat 

 reddish bufl', barred with black, the lower parts edged with white ; 

 neck rufous, barred with black and more or less spotted with 

 white; chest black, glossed with greeu, barred with fine bands of 

 rufous and tipped with white ; breast and belly black, barred with 

 buff and tipped with white, upon the flanks the white margins are 

 dotted with black ; under tail-coverts black, tipped with white and 

 with a subterminal V-shaped rufous bar. Tail blackish brown, 

 irregularly barred with rufous and tipped with white. Tarsus 

 smoky grey. Total length 2o inches, wing 11-6, tail 7*7, tarsus 

 1-7. 



Hah. N.E. Siberia, east of Lake Baikal, and Saghalien Island. It 

 is not found in Kamtschatka. 



a,b, cj 9 ad. sk. Saghalien Is. {Dr. Suprunenko). St. Petersburg 



Mus. [E.]. 



3. Tetrao kamtschatlcus. 



Tetrao kamtschaticus, Kittl. Reise Kamtschatka, ii. p. 353, woodcut 

 (18o8) ; Meyer, Unser Auer-, Racket- und Birkwild, etc. p. 9 

 (1887). 



Tetrao camtschaticus, Tacz. Bull. Soc. Zool. Fr. viii. p. 333 (1883). 



Adult male. Head and neck black, slightly glossed with blue, and 

 with green on the long plumes of the throat ; back greyish black, 

 finely vcrmiculated with white, shading into rufous on the inter- 

 scapular region ; scapulars the same, the wing-coverts and second- 

 aries greyer, and all except tho lesser coverts are largely tipped 

 with white ; flight-feathers dark grey, the outer web of the 

 primaries, from the second to the seventh, with the basal part 

 margined with white ; under wiug-coverts white, mixed with dark 



p2 



