250 



too, there are a number of reddish-brown feathers with narrow 

 transverse bands of greyish-brown. 



Tail-feaihers as in the winter dress, black with white tips, 

 broadest in the middle (9mm) 7 a t the extremities almost obsolete. 

 Outermost rectrix about 30 mm 1 arger than the middlemost. 



Upper tail-eoverts partly black with white tips (normal winter 

 dress), partly marked with alternate transverse bands (about 3 mm) 

 of black and rusty yellow. Both the former and the latter are new 

 and have blood-shafts ; hence the latter, which belong to the autumn 

 dress, must be moulted inmediately on their attaining the full size. 



Under tail-coverts white. 



Primaries as in winter dress, chiefly dark greyish-brown, with 

 the tips and the outermost narrow web entirely white, or speckled 

 with white. 



Secondaries: Base of feathers speckled with white, tips white. 



Upper iving-coverts : Base of outer web black, tips white, or 

 white speckled with black. Base of inner web black speckled with 

 white, tips white. 



Under wing-coverts white. 



Tibia white: here and there, but generally concealed by the 

 white feathers, there are a few banded with black and brown, and 

 others white with the inner web black. 



Tarsus white, unmixed with greyish-black. 



Toes: Plumage thin and short, the whole of the naked por- 

 tion of the middle toe and the other toes being verv conspicuous. 

 The toothed horny comb developed much as in old birds. 



Claws dark horn-brown, comparatively short (on the middle 

 toe 1(> mm). (Gudbrandsdalen 8th Oet. 1872, Univ. Mus.) 



Young male in half winter dress. 



Head and neck with a number of pale rusty yellow feathers, 

 and one or two transverse bands of dusky-grey. These feathers 

 are paler than the corresponding ones in either black game or 

 ptarmigan. 



Baek has a number of reddish-brown feathers (the breast but 

 very few) transversely marked with black, oblique, and slightly 



