1918.] the Birds of the Anglo-Egyptian Sudan. 717 



in the Egyptian Sudan ; it is known from British East Africa 

 and Uganda across to Lake Chad and Nigeria. 



We regard as races of R. fuligula the following : — 



R. f.fuligula (Lieht.). Distr. Cape Colony, Natal, and 



the Transvaal. 

 R.f. anderssoni (Sharpe & Wyatt). Distr. S.W. African 



Protectorate. 

 R.f. rufigula (Fisch. & Reichw.). Distr . Tropical Africa 



as above. 

 R. f. pusilla ZeAMiz. Distr. Eritrea. 



Through the last-named this group is connected with the 

 obsoleta and rupestris groups. 



Riparia rupestris. 



Riparia rupestris (Scop.) ; Hartert, Vog. pal. Faun. p. 815. 



A single example of the Crag-Martin was obtained by 

 Witherby (Ibis, 1901, p. 259) at Jebel Auli, about 25 miles 

 south of Khartoum on the east bank of the White Nile. 

 There are no Sudanese examples in the British Museum. 



Hirundo rustica rustica. 



Chelidon rustica rustica (Linn.) ; Hartert, Vog. pal. Faun, 

 p. 800. 



Hirundo rustica Linn. ; Butler, Ibis, 1905, p. 341, 1908, 

 p. 238, 1909, p. 399. 



[B. coll.] 1 Khartoum Apl. 12 ; 1 Mongalla, 1 Kenisa 

 Oct. Mon. ; 2 Lado Feb. 



[C. & L. coll.] 1 Tonga Mch. 3, U.N. 



A common winter visitor to the Sudan. The specimen 

 obtained by Captain Lynes had nearly completed its moult, 

 the tail is still sprouting, and the under parts are washed 

 with pale rufous. 



Hirundo aethiopica. 



Hirundo cEthiopica Blanford, Ann. & Mag. Nat. Hist. (4) 

 iv. 1869, p. 329 : Barakit, Tigre, N. Abyssinia ; Reichw. 

 V. A. ii. p. 406 ; Butler, Ibis, 1905, p. 341, 1908, p. 238, 

 1909, p. 84. 



