NICATOR VIREO 441 
Nicator vireo. 
Nicator vireo, Cab. J. f. O. 1876, p. 333, pl. 2, fig. 2 Chinchonzo ; Gadow, 
Cat. B. M. viii. p. 166 (1883); Shelley, B. Afr. i. No. 783 (1896) ; 
Reichen. Vog. Afr. ii. p. 299 (1903); Sharpe, Handl. B. iy. p. 299 
(1903); Sharpe, Ibis, 1908, p. 335 Camaroon; Bates, Ibis, 1909, 
p. 35; Reichen. Mittl. Zool. Mus. Berl. v. p. 82 (1910) Rio Benito. 
Adult male. Similar to N. chloris, but distinguished by the colouring 
of the head and throat, and by its smaller size. Forehead and sides of 
head dusky grey, with a broad yellow band from the nostril to above the 
eye; chin and lower throat pale grey, middle throat sulphur yellow. Ivis 
hazel; bill greenish-grey, but dusky along the culmen; feet greenish-blue. 
Length 8:0 inches, wing 3°2, tail 3:3, culmen0°5, tarsus0'9. N’Dalla Tando, 
3, 30. 8. 08 (Ansorge). 
Female. Is rather duller in shade, and has not quite so much grey on 
the forehead ; it is also markedly smaller. Wing 2°8, tail 2-9, tarsus 0°75. 
The Yellow-throated Nicator ranges from Camaroon to 
Angola, and eastwards to the Ituri River, near Albert Nyanza, 
but is apparently confined to thick forest. 
The type came from Chinchonxo in Portuguese Congo, 
where it was collected by Falkenstein. 
In Camaroon it has been got by Zenker at Bipindi, 
and by Bates on the River Ja, along the Congo at 
Manyango and Leopoldville by Bohndorff, at Yambuya on 
the Aruwimi by Jameson, and at Irumu on the Ituri by 
Emin. Further south Mechow collected examples on the 
Kwango River, and Ansorge at N’Dalla Tando in northern 
Angola. 
- Bates writes as follows: ‘This smaller Green Shrike, 
which I found only at the Ja, is not so shy as its larger 
relative, and its loud and pleasing song is very frequently 
heard. This song is one of the most striking sounds of 
the bird-world in that district. It may be likened to a 
bugle-call of half a dozen notes, mostly in one tone, but 
with one or two towards the end in a higher pitch, the last 
one or two dropping again to the pitch of the first. It may 
