386 



Taverner, New Subspecies of Dendragapus. 



[Auk 

 Ljuly 



D. 0. richardsoni} 



Back, interscapulars and body 

 color of rump. Olive-brown to fus- 

 cous. 



Tail. Fuscous black. Tail feath- 

 ers cut off sharply and squarely at 

 end. 



Throat patch. Body color soiled 

 creamy white.^ 



Sides of head and spotting of 

 throat patch. Fuscous. 



Around neck below throat patch. 

 Between buffy brown and olive 

 brown to clove brown, wdth some- 

 times a faint blmsh tinge, deepen- 

 ing in front at lower neck to fus- 

 cous. 



Breast and underparts. Light 

 mouse gray. 



D. 0. Jiemingi. 



Back, interscapulars and body 

 color of rump. Dusky neutral gray. 



Tail. Dusky neutral gray. Tail 

 feathers not having the same 

 chopped ofT appearance. Middle 

 and several lateral feathers slightly 

 to markedly double-rounded at end. 



Throat patch. Body color pure 

 white. 



Sides of head and spotting of 

 throat patch. Between neutral gray 

 and deep neutral gray. 



Around neck below throat patch. 

 Between neutral gray and deep neu- 

 tral gray, deepening in front at lower 

 neck to dusky neutral gray. 



Breast and underparts. Between 

 neutral gray and deep neutral gray. 



Description of Type specimen. Type, adult male. No. 6651 Museum of 

 the Geological Survey, Department of Mines, Canada. Near Teslin Lake, 

 Yukon Territory, October 10, 1912. Clement Lewis, Collector. 



Back, rump and tail, dusky neutral gi'ay. Central feathers of tail and 

 some lateral ones double rounded at ends. 



Upper tail coverts, fuscous black, finely but sparsely vermiculated with 

 buffish slate. 2 



Scapulars, wings and upper wing coverts fuscous, Ughtening towards 

 wing tip. AU, except fhght feathers, finely marked with shades between 

 rusty 2 and grayish.^ Some scapulars with white shaft streaks, widening at 

 terminal to poorly defined marginal spots. The latter persisting on some 

 of the lesser coverts as vague spots and narrow borders. 



Below, between neutral gray and deep neutral gray, and obscured pos- 

 teriorly by a white tipping of the feather ends that blends into the white 

 of the basal under tail coverts. 



Lower breast feathers with white shaft lines broadening towards the 

 flanks and posteriorly where they develop into broad terminal spots, 

 streaks and bars. A fine vermiculation of buffy ^ and grayish ^ overlaying 

 the body color of the feather tips of the sides. 



1 All color terms except wliere otherwise stated, from Ridgway's " Color Stand- 

 ards and Nomenclature," 1912 ed. 



* These terms are not from " Ridgway's Color Standards." 



