19 1 9- J ^^^^ Birds of the Anylo-Egyptian Sudan. 697 



Mr. Butier, Ibis, 1909, p. 402, records his unsuccessful 

 attempts to trap or shoot specimens of what he took to be 

 this Eagle in the hills of the Red Sea Province. It has been 

 recorded by Heugliu from Nubia and Kordofan. 



Aquila rapax albicans. 



Falco [Aquila) albicans liiippell, Neue Wirbelt. 1836, 

 p. 34, pi. 13: Simieii, Abyssinia. 



Aquila rapax albicans Hartert, Vog. pal. Faun. p. 1095. 



Aquila rapax apud Butler, Ibis, 1905, p. 367, 1908, 

 p. 252. 



[B. coll.] 1 Khartoum Jan. ; 1 Um Dam May, Kor. 



[C. & L. coll.] 1 Sinkat Mch , 1 Erkowit Apl. E.S.; 

 1 Senga, 2 near Kamisa Dec. Sen. ; 1 Kodok Mch., 

 1 Jebeleiu Jan. U.N. 



[Gurney coll.] 1 Meroc Feb. Ber. 



This species has a very marked plumage change which 

 according to Hartert it takes five or six years to undergo. 

 He is of opinion that the darkest bird is the adult and the 

 lightest the youngest. One of the Chapman-Lynes birds 

 shot oft a nest at Kodok is in what Hartert calls '"'Plumage 3," 

 and it appears to us that the breast-feathers are certainly 

 freshest where they are darkest, and that abrasion plays a 

 very great part in the change. 



Aquila nipalensis orientalis. 



Aquila orientalis Cabanis, J. f. 0. 1854, p. 369 note : near 

 Sarepta. S.E. Russia. 



At/uila nipalensis orientalis Hartert, Vog. pal. Faun, 

 p. 1091). 



[B. coll.] 3 Khartoum Feb. 



[C. & L. coll.] 1 ? (nesting) Erkowit April 8, R.S. 



These we believe to be the first definite records of this 

 Eagle from Africa. It appears to be not uncommon 

 according to Mr. Butler on the rubbish heaps outside 

 Khartoum in the winter. A specimen obtained by Lt.-Col. 

 Penton at Um Dam, Kordofan, is mentioned by Mr. Butler, 

 Ibis, 1905, p. 367, under ^' A. nipalensh'^" and we have 



