292 FALCONID-E AQUILA 



are distributed all over the Old World except the Malayan and 

 Australian regions, while in the New they are confined to North 

 America north of Mexico. 



Three out of six African species inhabit our area. 



Key of the Species. 



A. Lower back and rump white ; rest of the 



plumage black A. verreauxi ad. p. 292. 



B. Lower back and rump not contrasting with 



the rest of the plumage. 



a. Larger, wing more than 22 ; general 

 plumage tawny, more or less mottled 



with black A. verreauxi juv. p. 292. 



b. Smaller, wing less than 21. 



a } . Back chestnut to tawny, contrasting 



with dark brown wing quills A. rapax, p. 294. 



&'. Back and wings sepia brown through- 

 out. 



a 2 . Below, sepia brown A. walilbergi ad. p. 296. 



b 2 . Below, white A. ivahlbergijuv. p. 296. 



516. Aquila verreauxi. Verreaux's Eagle. 



Le Caftre, Levaill. Ois. d'Afr. i, p. 28, pi. 7 (1799). 



Aquila verreauxi, Less. Cent. Zool. p. 105, pi. 38 (1830) ; Layard, B. S. 

 Afr. p. 11 (1867) ; id. Ibis, 1869, p. 70; Sliarpe, Cat. B. M. i, p. 234 

 (1874) ; id. ed. Layard's B. S. Afr. pp. 33, 797 (1875-84) ; Gurney, 

 Ibis, 1877, p. 210 ; Ayres, Ibis, 1879, p. 285, 1884, p. 221 [Magalies- 

 berg] ; Holub fr Pelzeln, Orn. Siid-Afr. p. 25 (1882) ; Shelley, B. 

 Afr. i, p. 148 (1896) ; Woodward Bros. Natal B. p. 114 (1899) ; 

 Reichenow, Vog. Afr. i, p. 584 (1901). 



Aquila vulturina, Smith, S. A. Quart. Journ. i, p. 112 (1830) ; Gurney 

 in Andersson's B. Damar aland, p. 5 (1872). 



" Dassievanger " or " Berghaan" of the Dutch colonists. " Nomakwe- 

 zana " of the Amaxosa (Stanford). 



Description. Adult male. General colour above and below 

 black, the centre of the back, rump and upper tail -coverts, except 

 the lowermost, pure white, under surface of the quills below the 

 notch dirty white, especially on the inner webs and with indications 

 of transverse bars. 



Iris light brown ; bill leaden horn ; cere and naked space round 

 the eyes yellow ; feet yellow. 



Length 33'0; wing 23 ; tail 11-5; culmen 2-5; tarsus 4-2. 



