13. NILAUS. 1G9 



ception of the sides, which are chestnut fawn-colour ; thighs white, 

 with blackish bases to the feathers, more conspicuous on the hinder 

 aspect ; iindcr wing- and tail-coverts white, as also the inner edges 

 of the quills, which are otherwise dusky brown below ; " bill black, 

 under raandible leaden grey at base ; feet blackish " (Fiiisch Sf 

 Hard.). Total length b-(i inches, culmen 0'65, wing S'-i, tail 2-4, 

 tarsus 0-92. 



Adult female. Brown where the male is black, and consequently 

 of a more dingy appearance. Total length 5-Q inches, culmen 0-G5, 

 wing 3-3, tail 2"25, tarsus 0-9. 



One immature bird in the collection is like the old female, but 

 has the cheeks, throat, and chest streaked with black, most of the 

 feathers being edged with black. 



Hah. South Africa. 



a. Imm. st. South Africa. S.-Africau Museum. 



b. luim. sk. South Africa. S.-African Museum. 



c. Ad. sk. Natal. R. B. Shaipe, Esq. 



d. $imm. sk. Transvaal (7". ^?/)-f«). R. B. Sharpe, Esq. 



e. S ad. sk. Swakop river, Daraara Laud, June R. B. Sharps, Esq. 



23, 1863 (C. J. A/Hh'rs.«o>i). 



f. 2 ad. sk. Otjimbiuque, June 8, 1860 (C. R. B. Sharpe, Esq. 



J. A.). 



2. Nilaus afer. (Plate V. fig. 2.) 



Lanius afer, Lath. Ind. Orn., Szippl. ii. p. xix (1801) ; Vieill. N. Diet. 



II. N. xxvi. p. 138. 

 Nilaus capensis, Hempr. Sf Ehrenh. Symh. Phys. Av. i. fol. e ; Hiipp. 



Syst. Uehers. p. 62 {nee Shaio) ; Lefeb. Abyss., Ois. p. 169; Heuijl. 



iaun. Roth. Meer. No. 122; id. J'.f. O. 1864, p. 254; Antin. Cat. 



descrr. Ucc. p. 55. 

 Nilaus brubru, Heiigl. Orn. N.O.-Afr. i. p. 467 ; Finsch §• Hartl. Vog. 



Ostafr. p. 333 (pt.) ; Salvad. ^ Antin. Viagg. Bogos, p. 86. 



Adult male. This northern form differs from the species described 

 above in the following points, in addition to its smaller size : — The 

 eyebrows, back, markings on the wing and wing-coverts are fawn-buff, 

 not white as in the South-African bird ; the mantle is more thickly 

 mottled with broad black edgings to the feathers ; the upper and 

 hinder parts of the car-coverts are black; the markings on the sides of 

 the body dark chestnut-red, and not so continuous as in N. capensis, 

 but distributed in deep vinous-chestnut streaks along the sides 

 of the body; "bill bluish-black; feet lead-colour; iris chestnut" 

 {Hevglin). Total length 5-4 inches, culmen 0'65, wing 3, tail 2-2, 

 tarsus 0'8. 



Adult female. Similar in markings to the male, but browner. Total 

 length 5-4 inches, culmen O-Ho, wing 3-(».5, tail 1-9, tarsus 0-8. 



Younri. Differs from the adult by its thickly mottled plumage, all 

 the brown portions of the bird being tipped with white, while the 

 white feathers have a distinct subtcrminal brown line ; the under 

 surface of tho body is white, with a few red streaks on the flanks ; 



