Birds from the White Nile. 415 



[The Abyssinian Busli-Shrike is fairly common, and is 

 generally found singly or in pairs. It has a peculiar low 

 wliistle, which can be heard at some distance. — E,. M. H.] 



41. LaNIUS EXCUBITORIUS. 



Lanius excuhitorius Des Murs ; Grant & Reid, p. 641. 



a. ^ . Kaka, 5th March. No. 108. 



b,c. J ? . Fashoda, 26th March. Nos. 191, 192. 



d, e. c?. 20 miles N. of Fashoda, 8th-llth April. 

 Nos. 304, Silt- 



f, g. ? . Kaka, 1st and 7th May. Nos. 415 f, 442. 



Iris dark hazel ; bill and legs black. 



[I met with the Long-tailed Grey-backed Shrike in flocks 

 of from five to seven individuals, but it was not at all common. 

 I also found its nest, containing four eggs, in a bare thorn- 

 bush. The eggs of this species are new to the British 

 Museum Collection. — R. M. H.j 



42. Lanius isabellinus. 



Lanius isabellinus Hempr. & Ehr. ; Witherby, p. 251 ; 

 Grant & Reid, p. 641 ; N. C. Roths. & Wollast. p. VS. 



a. ? . 20 miles N. of Fashoda, 11th April. No. 323. 



Iris hazel; bill horn-coloured ; legs dusky. 



[I saw very few examples of the Isabelline Shrike and was 

 only able to procure one. — R. M. H.] 



43. Lanius paradoxus, 



Lanius paradoxus Brehm, Vogelfang, p. 84 (1855). 



Lanius senator Witherby, p. 250. 



a-c. S ? • Fashoda, 30th March-lst April. Nos. 251, 

 272, 273. 



Iris dark hazel ; bill black, bluish at base ; legs dusky. 



The three birds collected by Mr. Hawker belong to the 

 form having the basal part of the middle pair of tail- 

 feathers white. 



[I only noticed Brehm's Woodchat- Shrike between Fashoda 

 and Kaka.— R. M. H.] 



t Breeding. 



