159 



slightly tinged with dull yellow ; back of head and neck, 

 bright chesnut ; tail and rump dusky ; the three outside 

 feathers white at the base and tips. Length, 7" ; wing, 

 3" 11'"; tail, 3" 5'". 



Le Vaillant says he obtained this bird in " 1'interieur de terres du 

 Cap de Bonne Espe'rance ;" but this is doubtful : it is probably not 

 African. 



Genus NILAUS, Swainson. 



Bill lengthened, slender, with a prominent hook and 

 tooth ; wings moderate ; the fourth and fifth quills longest ; 

 tail short, nearly even ; the feathers narrow and obtuse ; 

 tarsi moderate, slender ; inner toe shorter than the outer. 



312. NilaUS CapensiS, Shaw; Lanius Brvbru, 

 Lath. ; Lanius Frontalis, Forst ; Le Brubru, Le Vail., 

 PL 71 ; Cuvier, Vol. 1, p. 265 ; Swain. Class. B., 

 Vol. 2, p. 219. 



TOP of the head, and all the upper parts, black ; the latter 

 mottled and marked with white ; tail black and white ; 

 wings the same ; superciliary eye-streak, white ; throat, 

 chest, and centre of belly, white ; sides of body, from the 

 shoulders, rufous., Length, 6" ; wing, 3" 4'" ; tail, 2" 7'". 



Specimens of this bird have been brought from Damaraland by Mr. 

 Andersson. I have not received them from other sources. 



Le Yaillant states that they seek their food among the bramches of 

 high trees, hunting in small families. They make their nests in the 

 forked branches of mimosas, using moss and small roots. Eggs five ; 

 white, with brown blotches. 



Genus PRIONOPS, Vieillot. 



Bill moderate and .straight, with the culmen and the sides 

 much compressed near the tip, which is hooked and emar- 

 ginated ; the gonys long, and curved upwards ; the lateral 

 margins straight ; the nostrils lateral, with the opening 

 rounded, and partly concealed by the projecting feathers ; 

 wings long, and rather pointed, with the third and fourth 

 quills equal and longest ; tail long and rounded ; tarsi as 

 long as the middle toe, strong, and covered in front with 

 transverse, broad scales ; toes moderate, with the outer longer 

 than the inner one, and slightly united at the base ; the 

 hind toe long, and broadly padded beneath ; the claws long, 

 compressed, and much curved. 



