Birds from the White Nile. 433 



revision^ and I propose the following arrangement of the 

 species in Salvin^s first section : — 



I. Plead and throat metallic g'reen, or black glossed 



witli 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, 0-9-ri inch in width .... 1. eryfhrorlnjnchus. 

 b'. Tail shorter, 7'0-80 inches; white band on 



quills narrower, 05 inch in width 1. viridis. 



b. Back sooty black with a purplish-bronze gloss, /. damarensis. 



B. Bill black in the adult bird. 



c. Head, nape, and back glossed with metallic 



green and purplish blue I. mdanoyhyiichus. 



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 I. somaliensis. 



II. Head and throat buft" or white ; wings and tail 



spotless I. jacJcsoni, &c. 



The synonymy of these different species should stand as 

 follows : — 



(1) ImilSOR ERYTHRORHYNCHUS. 



Upupa erythrorhynchus Lath. Ind. Orn. i. p. 280 (1790). 

 Promerops purpureus Shaw & Miller, Cimel. Phys. pi. 52 



(179;)). 



Irrisor erythrorhynchus Salvin, Cat. B. Brit. Mus. xvi. 

 p. 19 (1892) [part, spec./, g, I, v, ?<;]. 



Irrisor viridis Salvia (nee Licht.), Cat. B. Brit. Mus. xvi. 

 p. 17 (1892) [part. spec, a-t, v, and o']. 



Hab.-\ 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-cs- 

 Salaam, Mamboio, Ugogo, Usambara, Nyasaland, Shire 

 River. South-east Africa: Mashonaland, Matabelclaiul, 

 Makalaka Country, Transvaal, Natal. 



t The localities given are those of the British Museum Collection. 



