456 NILAUS AFER 
The British Museum contains examples of this species 
from the following localities :— 
Somaliland —Okoto (D. Smith, type), Gura (Gillett), 
Lehilla (Stanford), Ujawaji (Hawker), Sogsoda (lu. Phillips), 
Burao and Wagar (Bury), Aruweina (Pease); Shoa and S. 
A byssinia—Oda between Harrar and Hawash (Degen), near 
Lake Stephanie, and Hamar near Lake Rudolf (Zaphiro) ; 
British East Africa—Athi River and Waso Nyiro (Delamere), 
Lake Baringo (Jackson), Teita (Harvey); German Last 
Africa—Kilimanjaro (Percival). 
In Mr. Jackson’s collection there are, in addition, examples 
from Waso Nyiro, Donya Narok, Mawarasha Hill, Likamba 
and Simba River, all in British East Africa. 
Nilaus afer. 
Lanius afer, Lath. Suppl. Indicis Orn. p. xix. (1801) Senegal. 
Nilaus afer, Gadow, Cat. B. M. viii. p. 169, pl. 5, fig. 2 (1883); Shelley, 
B. Afr. i. No. 712 (1896); Reichen. Vog. Afr. ii. p. 539 (1903) ; 
Sharpe, Handl. B. iv. p. 3802 (1903); Ogilvie-Grant, Ibis, 1904, 
p. 266 Goubré ; 1907, p. 590 Sobat; A. L. Butler, Ibis, 1905, p. 329 
Sudan ; Krlanger, J. f. O. 1905, p. 691 S. Abyssinia; Koenig, Ber. 
V. Intern. Orn. Kongr. 1910, pp. 511, 536 Sudan; Reichen. Mittl. 
Zool. Mus. Berl. v. p. 222 (1911) Camaroon. 
Nilaus edwardsi, Rochbrune, Bull. Soc. Philom. (7) vii. p. 166 (1883) 
Senegambia. : 
Subspecies a.—Nilaus erythree. 
Nilaus afer erythrese, Neumann, J. f. O. 1907, p. 361 Arlet; Zedlitz, 
J. f. O. 1910, p. 796 Eritrea. 
Subspecies b.—Nilaus hilgertz. 
Nilaus afer hilgerti, Neumann, J. f. O. 1907, p. 362 Kassim River. 
Similar in all its stages of plumage to N. brubru, from which it is dis- 
tinguished in having no black in front of the eyes; eyebrows, pale portion of 
the upper back and the wing washed with rufous-buff, and the brown bands 
down the sides of the body narrower, more broken up, and darker chocolate, 
not cinnamon-brown. ‘Iris dark brown, bill black, with base of lower 
mandible pale, feet bluish-grey”’ (Witherby). Total length 5:4 inches, 
culmen 0-6, wing 3:0, tail 2:2, tarsus 0°85, Gimbar (Hsler), 
