Birds from the White Nile. 415 
[The Abyssinian Bush-Shrike is fairly common, and is 
generally found singly or in pairs. It has a peculiar low 
whistle, which can be heard at some distance. — E.. M. H.] 
41. LaNIUS EXCUBITORIUS. 
Lanius excubitorius Des Murs ; Grant & Reid, p. 641. 
a. S ' Kaka, 5th March. No. 108. 
h,c. c^ ? . Fashoda, 26th March. Nos. 191, 192. 
d, e. S' 20 miles N. of Fashoda, 8th-llth April. 
Nos. 304, 311 1. 
f,g. ? . Kaka, 1st and 7th May. Nos. 415 t, 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.— U. M. H.] 
42. Lanius isabellinus. 
Lanius isabellinus Hempr. & Ehr. ; Witherby, p. 251; 
Grant & Beid, p. 641 ; N. C. Boths. & Wollast. p. 13. 
«. ? . 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. — B. 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.— E. M. H.] 
t Breeding. 
