Birds. 309 



dusky greenish yellow ; eyes dark brown ; leg's and toes yellowish 

 white ; claws a dark horn-colour. 



Inhabits South Africa. 



Falco chiquerojdes, Smith. S A. Quarterly Journal, volA. 

 p. 233. 



Falco concolor, Temm. Male, — Bill black ; cere and legs 

 yellow; plumage ashy grey ; tail finely banded with a paler 

 tint, and each feather slightly rayed longitudinally with a deeper 

 colour than that of the body. 



Female, — a dusky lead-colour. 



Inhabits Senegal, Barbary, Ejiypt, and Arabia. 



Falco ruficobis, Dandin. Bill bluish black towards tip, 

 bluish white at base ; cere yellow ; eyes brown; head, toj^ether 

 with the back and sides of neck, dull blue-grey, each feather 

 marked along the centre by a fine longitudinal black streak ; 

 interscapulars, back, shoulders, and scapulars, deep rufous, 

 ■with irregular or somewhat triangular black spots ; chin tawny; 

 breast rufous, variegated with longitudinal black lines; belly 

 rufous, with black spots ; vent and thighs tawny, without 

 variegations. Primary and secondary win^ coverts black, with 

 irregular tawny-white transverse bands ; primary wing feathers 

 black, the inner vanes nearly completely crossed by numerous 

 white indentations; secondaries blackish, both vanes crossed by 

 irregular rufous bands. Tail dark bluish grey, with seven or. 

 eitfht black bands, the last nearly an inch in width ; on the 

 three outermost feathers of each side the black only appears 

 upon the inner vanes ; all the feathers broadly tipt with white. 

 Legs and toes yellow ; claws black. Length of male twelve 

 inches, of female fourteen inches. 



Yonncj. — Head and nock rufous lawny, with indistinct longi- 

 tudinal black streaks ; back and shoulders light rufous, with 

 laro^e irregular or triangular black spots; chin nearly white; 

 throat light tawny rufous, with irregular streaks like those on 

 the head ; belly of the same ground colour as breast, and 

 streaked or spotted before, behind like the vent and thighs, 

 without variegations. Wing feathers all distinctly tipt with 

 white. Tarsi, toes, and cere, dull yellow. 



Falco riipicoloides, Smith. Head, neck, back, shoulders, and 

 scapulars, pale tawny, clouded wiih i)ale rufous; the head and 

 neck variegated with lon^'itudinal black stripes ; the back, 

 shoulders, and scapulars, with broad brown transverse bars; 

 rump brown with blue-white bars. Throat and under parts a 

 pale fawn-colour, the breast and belly with a few brown stripes ; 

 flanks rayed with brown. Quill featliers brown, inner vanes 

 banded with pale rufous. Tail brown, with about six bluish 



