Birds from the White Nile. ■ 433 
revision^ and I propose the following arrangement of the 
species in Salvin^s first section : — 
I. Head and throat metallic green, or black glossed 
•with, purplish ; wings and tail with white spots. 
A. Bill scarlet in the adult bird (dusky or partly 
dusky in the immature). 
a. Back metallic green. 
a' . Tail longer, 9'0-100 inches ; white band on 
quills wider, O-9-l'l inch in width .... 1. eryth'orhyncTius. 
h'. Tail shorter, 7*0-80 inches ; white band on 
quills narrower, 0"5 inch in width 1. viridis. 
b. Back sooty black with a purplish-bronze gloss. I. damarensis. 
B. Bill black in the adult bird. 
c. Head^ nape, and back glossed with metallic 
green and purplish blue I. melanorJiynchus. 
d. Nape and back velvety black, slightly glossed 
with dull purplish blue ; crown of the head 
very similar, but with indistinct green bronze- 
edged spots , /. somaliensis. 
II. Head and throat bufi' or white ; wings and tail 
spotless /. jacksoni, &c. 
The synonymy of these different species should stand as 
follows : — 
(1) Irrisor erythrorhynchus. 
Upupa erythrorhynchus Lath. Ind. Orn. i. p. 280 (1790). 
Promerops purpureus Shaw & Miller, Cimel. Phys. pi. 52 
(1796). 
Irrisor erythrorhynchus Salvia, Cat. B. Brit. Mus. xvi. 
p. 19 (1892) [part, spec./, g^ I, v, w\. 
Irrisor viridis Salvia (nee Licht.), Cat. B. Brit. Mus. xvi. 
p. 17 (1892) [part. spec, a-t, v, and o']. 
Hab.-f West Africa : Loando ; Gold Coast. North-east 
Africa: Darfur; Goz-Abu-Gumar, White Nile; Fashoda; 
mouth of Zeraf River. Equatorial Africa: Niam-Niam, 
Uganda, Lake Baringo. East Africa : Mombasa, Dar-e^- 
Salaam, Mamboio, Ugogo, LTsambara, Nyasaland, Shire 
River. South-east Africa: Mashonaland, Matabeleland, 
Makalaka Country, Transvaal, Natal. 
t The localities given are those of the British Museum Collection. 
