1918.] the Birds of the Anglo- Eyyplian Sudan. 675 



Camaroptera g. griseoviridis ZedlitZj J. f. O. lix, 1911, 

 p. 334. 



Camaroptera brevicaudata (nee Cretzsch.) ; Butler, Ibis, 

 1905, p. 331. 



[B. coll.] 3 Roseires Apl. July, 1 Fazogli May, Sen. ; 

 1 Jebel Melbis Apl. Kor. ; 1 Renk Mch., 1 Taufikia 

 Apl. U.N. 

 [C. & L. coll.] 5 Erkowit Apl. R.S. ; 4 Kamisa Dec, 



1 Singa Dec. Sen. ; White Nile lat. 13° N. Jan. 

 W.N : Tonga Feb. U.N. 



Camaroptera griseoviridis abessinica. 



Camaroptera griseoviridis abessinica Zedlitz, J. f. O. lix. 

 1911, p. 338 : Harrar. 



Camaroptera brevicaudata (nee Cretzsch.) Butler, Ibis, 

 1908, p. 228, 1909, p. 82. 



[B. coll.] 2 Wau Apl. B.G. ; 3 Mongalla "summer," 



2 Sheikh Tombe " summer,^' 2 Kenisa Jan. Mon. 

 [C. & L. coll.] 3 nr. Lake No Feb Mch. W.N. 

 [Chr. coll.] 1 Yambio Mch., 1 Tembura Apl. B.G. 

 Count Zedlitz has monographed this very difficult group, 



and we are content to follow his conclusions. We find the 

 birds from the Mongalla Province and Bahr el Ghazal are 

 distinctly darker and more richly coloured, and agree best 

 with C. g. abessinica, of which the Museum contains a good 

 series ; while those from lower White Nile from Taufikia 

 downwards agree with the paler Kordofan form. The ex- 

 amples from Erkowit and Roseires are intermediate, being 

 darker than the others and approaching the Abyssinian form. 

 Camaroptera brevicaudata Cretzsch. from Kordofan is be- 

 lieved by Zedlitz to be the young bird of a form of the 

 group C. superciliaris of West Africa, distinguished by its 

 yellow eye-stripe and green back. If this is so, there is 

 nothing at all like it in the Museum collection or among 

 the Butler birds. Our opinion is that Cretzschmar's descrip- 

 tion and figure is founded on a young bird of what we here 

 call C. griseoviridis. We have in the series before us two 



3b2 



