DRYOSCOPUS BOCAGEI 357 
form. It is hardly more than subspecifically distinct from 
D. angolensis. 
Dryoscopus bocagei. 
Laniarius bocagei, Reichen. Orn. Monatsb. 1894, p. 125 Jaunde ; id. 
J. £. O. 1896, p. 26, pl. 2. 
Dryoscopus bocagei, Sharpe, Handl. B. iv. p. 296 (1903) ; id. Ibis, 1908, 
p. 331 Camaroon ; Bates, Ibis, 1909, p. 35 Camaroon. 
Chlorophoneus bocagei, Reichen. Vog. Afr. ii. p. 557 (1903); id. Mitt. 
Zool. Mus. Berl. y. p. 82 (1910) Rio Benito. 
Subspecies a.—Dryoscopus jacksont. 
Dryoscopus jacksoni, Sharpe, Bull. B. O. C. xi. p. 57 (1901) Mownt Elgon. 
Laniarius jacksoni, Reichen. Vog. Afr. ii. p. 576 (1903). 
Chlorophoneus bocagei jacksoni, Reichen. Deutsch. Zentr. Afr. Exped. 
iii. p. 311 (1910). 
Subspecies b.—Dryoscopus ansorget. 
Dryoscopus bocagei ansorgei, W. Sclater, Bull. B.O.C. xxix. p. 37 (1911). 
Adult male. Crown and nape, sides of the head and neck black, gradu- 
ally merging in the dark, slate-coloured back; the wing-coverts, inner 
secondaries and upper tail-coverts also slaty, the wing quills dusky, and the 
tail black; puff-feathers of the rump the same colour as the back, sometimes 
tipped paler but with no white; a frontal band, lores, a supraocular stripe 
extending to above the ear-coverts, and under parts white, the breast 
washed with a rather dark shade of ochraceous, the flanks with slaty grey ; 
tail-feathers with traces of a white tip; under wing-coverts white with a 
black patch on the outer primaries, inner lining of the quills whitish. ‘Iris 
dark yellow, bill black, feet blue grey’ (Reichenow). Length 7°75 inches, 
wing 3:1, tail 2:8, culmen 0°55, tarsus 1:0. River Ja, 3, 12. 2. 06 (Bates). 
Adult female. Resembles the male. Wing 3-05 (Bates). 
Subspecies D. jacksoni. Closely resembling D. bocagei, but the ochra- 
ceous wash of the breast of a paler shade, the flanks a much purer white 
and puff-feathers of the rump distinctly tipped with white. Length 7:0 
inches, wing 3:15, tail 2:6, culmen 0°5, tarsus 0°8. Nandi 3 type (Jackson). 
Subspecies D. ansorgei. Closely resembling D. bocagei, but distinguished 
by the black of the crown and nape, which is quite abruptly demarcated 
from the slate of the mantle and back; the slate of the back also is slightly 
darker, and has an olivaceous tinge quite absent from the Camaroon bird ; 
the puff-feathers of the rump are the same colour as the back, and have 
paler tips, but no distinct white is in D. b. jacksoni ; the wash on the breast 
June, 1912 24 
