1918.] the Birds of the Anglo-Egyptian Sudan. 445 



It is probable that some specimens from this locality WiU 

 show au approach to the greyer-backed iieig-hbonring lorm 

 to the north, E. a. nyanzck Neum, 



E. a. adesma, on the other hand, from Lake Kivu seems 

 to be, from the single example available, quite distinct from 

 any form. As we had only one specimen we had considered 

 it as merely an abnormality^ but the almost complete absence 

 ot" barring on the upper side is a very noticeable feature. 



Estrilda cinerea. 



Esirilda cinerea (Vieill.); Shelley^ B. A. iv. p. 203; 

 Butler, Ibis, 1908, p. 219, 1909, p. 78. 



[B. coll.] 2 Roseires Aug. Sen. ; 1 Chak Chak Feb., 



2 Wan Mch. A pi., 1 Aloyen May, E.G. 



[C. & L. coll.] 3 20 miles south oL" Sennar Jan. Sen. ; 



3 mouth of Bahr el Zeraf Mch. U.N. 



Estrilda rhodopyga rhodopyga. 



Estrilda rhodopyga Sand. ; Shelley, B. A. iv. p. 205 ; 

 Butler, Ibis, 1905, p. 320. 



[B. coll.] 5 Khartoum July, Nov. 



[C. & L. coll.] I 20 miles south of Sennar Jan. Sen. 



Estrilda paludicola. 



Estrilda paludicola Heugl. ; Shelley, B. A. iv. p. 214 ; 

 Butler, Ibis, 1908, p. 219. 



[B. coll.] 3 Chak Chak Mch. E.G. ; 1 Rejaf Apl. L.E. 

 [Chr. coll.] 1 Yei Nov. L.E. 



Estrilda nonnula. 



Estrilda nonnula Hartl.; Shelley, B. A. iv. p. 226. 

 [Chr. coll.] 3 Yambio Mch. E.G. 



There iis also an example from near Rejaf in the British 

 Museum. 



Estrilda nigricoUis nigricollis. 



Estrilda nigricollis (Heugl.) ; Shelley, B. A. iv. p. 223. 

 Lagonosticta butleri 0. -Grant, Bull. B. O. C. xxi. 1906, 

 p. 16 : Chak Chak ; Butler, Ibis, 1908, p. 220. 

 [B. coll.] 2 Chak Chak Feb. E.G. 



