On some new Birds from Eastern Africa. 123 



XV. — On some new Francolins and a new Hornbill dis- 

 covered by Mr. F. J. Jackson in Eastern Africa, By 

 "W. R. Ogilvie-Grant. 



1. Francolinus jacksoni, sp. nov. 



Forehead, lores, and fore part of cheeks dull red. Chin 

 and upper part of throat white, with narrow rufous shaft- 

 streaks. Superciliaiy stripes, hinder part of cheeks, and 

 lower part of neck "the same, but with wider rufous shaft- 

 streaks. Top of the head and nape reddish brown, with 

 narrow black and grey vermiculated margins. Ear-coverts 

 light brown. Neck, chest, breast, and belly bright chestnut, 

 each feather margined on both sides with white, speckled 

 in some with black. Feathers of the upper back with darker 

 chestnut centres, and black and grey vermiculated margins, 

 the chestnut gradually disappearing towards the lower back 

 and on the shoulders, where the whole feathers are finely 

 vermiculated with black and grey, and only brownish-red 

 towards the middle. Lower back, wings, and rump brown, 

 inclining to sienna on the outer wing-coverts, upper tail- 

 coverts, and tail. Feathers of the sides, flanks, lower belly, 

 and under tail-coverts with dark chestnut centres, widely 

 margined with black and grey vermiculations. A pair of 

 strong spurs, supplemented by a second blunt knob on the 

 left tarsus. Total length 15-5 inches, wing 9*1, tail 5*2, 

 tarsus 2'8, culmen 1"2, 



The tip of the second primary-quill falls between the ninth 

 and tenth in length, and the sixth is slightly longer than 

 the fifth and seventh. The type specimen is labelled as 

 follows : — 



'' S adult. Irides brown; eyelids coral-red. Bill dark 

 coral-red. Legs in front of tibia coral-red; hinder part 

 dusky. August." [F. J. Jackson.) 



A second rather younger male, with the tarsi armed with 

 a pair of blunt knobs, difi'ers slightly from the above in its 

 somewhat smaller size, and in having the outer web of the 

 secondary quills and the tail-feathers brighter rufous. Total 

 IcDgth 14-7 inches, wing 8*7, tail 4-8, tarsus 2*6, culmen 

 11. 



