366 Lieut. C. W. Mackworth-Praed on [Ibis, 



Dicrurus adsimilis divaricatus. 



Dicrurus adsimilis divaricatus Oberh. P. U.S. Nat. Mus. 

 xxviii. 1905, p. 920 [Angola]. 



? . Tsavo. 19th July. Wing 121 mm. 



2 . Tsavo River. 27th July. „ 113 mm. 



? . Ithanga Hills. 2nd October. „ 123 mm. 

 Iris red ; bill and legs black. 

 Common in both localities. 



The Ithanga Hills bird has a rather stronger blue gloss 

 on the back than the two low-country birds. 



Oriolus larvatus. 



Oriolus larvatus Licht. Verz. Doubl. 1823, p. 20 [Kaff- 

 raria] . 



Oriolus larvatus rolleii Reichw, Vog. Afr. ii. 1903, p. 659. 



c? ? ad. Tsavo River. 27th July. Wing, ^ 126, 



? 135 mm. 



^ imm. Ithanga Hills. 24th Sept, „ 132 mm. 



Iris red ; bill pinkish brown ; legs black. 



Only seen occasionally, in pairs. 



There seems to be a good deal of doubt about the identity 

 of the East African Orioles. Lonnberg (K. Sv. Vet.-Ak. 

 Handl. xlvii. 1911, No. 5, p. 97) gives a very good account 

 of what he found in the case of 0. I. rolleti and 0. I. 

 percivali. Personally, I shot a pair on the Tsavo, sitting on 

 the same bush, where Orioles were not at all common, and the 

 male should be 0. I. rolleti and the female O. I. larvatus. 

 Shelley, in the ' Birds of Africa/ calls them all 0. larvatuSj 

 and that would at present seem the only thing to do. 



Buphaga erjrthrorhyncha. 



Tanagra erythrorhyncha Stanley in Salt's Trav. Abyssinia, 

 App. 1814, p. 59. 



Buphagus erythrorhynchus Reichw. Vog. Afr. ii. 1903, 

 p. 667. 



$ . Nairobi. 22nd August. Wing 120 mm. 



o, Thika. October, ,, 115 mm. 



The Red-billed Oxpecker was also seen on the Tsavo. I 

 have observed them taking ticks from rhinos, buffaloes, and 



