382 ZOOLOGICAL EESULTS OF THE RUWENZOEI EXPEDITION. 



a-e. d ? . Mpanga Forest, Fort Portal, 5000 ft., 14th-24th Sept. [Nos. 552. 

 B. E. I). ■ 3560, 3603, 3604, 3614. B. B. W.] 



Iris dark brown or dark hazel ; bill black ; bare skin on the throat blue ; feet grey 

 or blue-grey. 



Though closely allied this species is certainly not synonymous with B. rvfa Reich. 

 In addition to the differences already pointed out by Dr. Sharpe {cf. 'Ibis,' 1906, p. 542), 

 I may mention that in B. jacJcsoni the black on the forehead extends rather further 

 back, to the posterior margin of the eyes, and the belly, sides, and flanks are washed 

 with olive, as in younger examples of i?. rufa from Cameroon. In adult specimens 

 of -B. rufa these parts are nearly uniform dark grey. 



The females of the two species differ even more than the males, the light creamy 

 border to the black feathers of the throat and breast in B. jacksoni being dull olive in 

 B. rufa. 



[Jackson's Bush-Warbler was plentiful in the Mpanga Forest, E. of Ruwenzori. It 

 frequented only the low undergrowth, especially in low-lying damp places, and was never 

 seen on the range. — B. B. IF.] 



Family Pycnonotid^. 



Ckiniger calurus (Cassin). 



Criniger calurus Reich. Vog. Afr. iii. p. 382 (1904) ; Grant, Ibis, 1908, p. 304 [Kasongo, 

 Upper Congo]. 



a. 6 . Irumu, Eturi Forest, 3000 ft., 18th Oct. [No. 3636. B. B. IF.] 



b. $ . Fort Beni, Semliki Valley, 3000 ft., 21st July. [No. 1734. I). C] 

 Iris dark grey or chestnut ; bill dark grey, blacker on the culmen ; feet grey. 



This species was known only from West Africa, until Mr. Carruthers procured two 

 specimens on the Upper Congo. 



[Two specimens of Du Chaillu's Bulbul were obtained in the Eturi Forest, but it 

 appeared to be rather uncommon. — B. B. IF.] 



Xenocichla kikuyuensis Sharpe. (Plate XIX. fig. 20, egg.) 



Xenocichla kikuyuensis Sharpe, Ibis, 1891, p. 118 [Kikuyu]. 

 Bleda kikuyuensis Jackson, Ibis, 1906, p. 539 [Ruwenzori]. 

 Phyllastrephus kikuyuensis Reich. Vog. Afr. iii. p. 393 (1904), 



a-u. c? ? et d imm. Mubuku Valley, E. Ruwenzori, 6500-9000 ft., 4th-18th Jan. 

 [Nos. 77, 97, 99. B. E. B. ■ 1104, 1110, 1115, 1119, 1151. D. C. ■ 2055, 2058, 2074, 

 2077, 2094, 2097. G. L. ; 3085, 3094, 3095, 3102, 3115, 3118. B. B. W.] 



