XIX. DESCRIPTION OF TWO NEW BIRDS FROM 

 BRITISH EAST AFRICA. 



By Harry C. Oberholser. 



Among the birds from Mombasa, Ikitish East Africa, collected by 

 j\Ir. William Doherty, and recently acquired by the Carnegie Museum,' 

 are specimens of two forms which appear to be unnamed. Through 

 the courtesy of Dr. W. J. Holland the following descriptions of these 

 are here presented. 



Astur tachiro orienticola, subsp. nov. 



Siibspecific diaractcrs. — Similar to Astur tacliiro fac/iiro, but rather 

 smaller ; ujjper parts lighter, the head and cervix conspicuously paler 

 than the remaining upper parts, the sides of head and neck much 

 lighter still ; posterior lower surface paler, with much less of rufous, 

 particularly on flanks and flags. 



Description. — Type, adult male, No. 7763, Carnegie Museum; 

 Mombasa, British East Africa, September or October, 1900 ; William 

 Doherty. Pileum and cervix slate-gray, the remaining upper surface 

 slate color, posteriorly with a slight brownish tinge; tail sepia-brown, 

 the outer feathers lighter and rather more rufescent, all the rectrices 

 tipped with buffy white and crossed by four broad blackish bands, and 

 most of them, including the middle pair, with two or three white or 

 whitish si)ots in the light interspaces of the inner webs ; wing-quills 

 fuscous, the basal portions of inner webs white, the inner webs of all 

 but tertials and innermost secondaries barred with blackish or dark 

 brown ; sides of head and neck grayish plumbeous ; under surface 

 white, posteriorly washed with buff, the chin and upper throat ver- 

 miculated with pale grayish, the crissum sparingly and narrowly barred 

 with the same ; the rest of the ventral surface including flags con- 

 spicuously, regularly, and rather closely, though narrowly, barred with 

 wood-brown, this becoming more rufescent on the sides of the body, 

 where also the bars are wider, and paler and on the lower abdomen 

 where they are narrower and farther apart ; lining of wing creamy 



1 Cf. Holland, Annals Carnegie Mi'si cm, III., 1905, pp. 453-463. 



495 



