40. NisAETtrs. 253 



gined with white ; cere bright j-ellow ; bill bluish, the base of the 

 lower mandible yellow ; feet bright yellow, talons horn-black ; iris 

 bright yellow. Total length 26"5 inches, culmen 1-9, wing 18*3, tail 

 11-4, tarsus 3-9. 



Adult male. Very similar to the female, but with the white spots 

 on the upper surfiice less distinct, and the streaks on the lower sur- 

 face more distinct. 



Hab. North-eastern Africa, extending along the eastern coast and 

 over the whole of South Africa as far as Benguela on the western 

 coast. 



a,b. 2juv.sk. Bogos Land, Herr Esler [0.]. 



c. (S ad. St. Abyssinia. Purchased. 



3. Nisaetus pennatus. 



Le Faucon patu, Briss. Orn. vi. App. p. 22, pi. 1 (1760). 



Falco pennatus, Gm. S. N. i. p. 272 (1788) ; Temm. PI. Col. i. pi. 38 



(1824); 7re;-«e?-, ^</as, Rapaces, pi. 17 (1827) ; S'chl.i/. Suse7n. Vlig. 



Eur. Taf. 22 (1839) ; Naum. Vbg. Dmtschl. xiii. Taf. 343 (1868). 

 Aquila pennata, Viq. Zool. Journ. i. p. 337 (1824) ; Gould, B. Etir. i. 



pi. 9 (1837) ; Gray, Gen. B. i. p. 14 (1845) ; Bp. Camp. i. p. 14 



(18-jO) ; Strickl. Orn. Stjn. p. GO (1855) ; Hartl. Orn. W.-Afr. p. 4 



(1857); Fritsch, Vog. Eur. tab. 5. figs. 3, 4, 5 (1858) ; jaiib. et 



Barth. Eich. Orn. p."36, pi. 3 (1859) ; Jerd. B. Ind. i. p. 63 (1862) ; 



Schl. Mus. P.-B. Aquilai, p. 87 (1862) ; Dresser, P. Z. S. 1866, p. 377 ; 



Degl. et Gerbe, Orn. Eur. i. p. 36 (1867) ; Layard, B. S. Afr. p. 10 



(1867) ; Gray, Hand-l. B. i. p. 12 (1869); Heuql. Orn. N.O.-Afr. 



p. 47 (1869) ; Salvad. Faun. Ital. Ucc. p. 7 (1871) : Holdsw. P. Z. S. 



1872, p. 411; SJielley, B. Eqijpt, p. 207 (1872) ; Eruper, J. f. O. 



1872, p. 69 ; Holtz, i. c. p. 286 ; Schl. Revue Accipitr. p. 116 (1873). 

 Aquila minuta, Brehm, Vog. Deutschl. p. 29, pi. 2. fig. 2 (1831) ; 



Goebel,J.f. O. 1872, p. 454. 

 Spizaetus milvoides, Jerd. Madr. Journ. x. p. 75 (1839). 

 Butaetus pennatus, Bh/th, J. A. S. B. xiv. p. 174 (1845). 

 Hieraetus pennatus, Kaup, Mus. Se7ickenb. iii. p. 260 (1845) ; Blytli, 



J. A. S. B. XV. p. 7 (1845) ; Loche, Eipl. Alger, i. p. 132 (1867) : 



Hume, Rough Notes, i. p. 182 (1869) ; Gurney, in Anderss. B. Dam. 



Ld. p. 7 (1872). 

 Aquila brehniii. Mull. Natan. 1852, p. 24 ; Brehm, op. cit. 1853, 



p. 268. 

 Aquila longicaudata, Heugl. Syst. Uebers. p. 6 (1856). 



Nestling. Entirely covered with white down, the head very much 

 crested. 



Adult female. Above brown, the scapulars with a purplish shade, 

 some of the highest plumes of the latter pure white, forming a 

 shoulder-patch, the lowest broadly bordered with huffy white, as 

 also are all the wing-coverts ; lesser and median coverts slightly 

 shaded with pale fawn-colour, the greater ones purplish brown, with 

 a broad edging of buffy white ; quills blackish, secondaries purplish 

 brown, terminally margined with buffy white, the innermost very pale 

 whity brown ; lower surface of quills dark brown, inclining to ashy 

 white near base of inner web, the secondaries indistinctly barred 

 with duU whitish ; lower back and rump dark purplish brown, the 



