660 Messrs. Sclater and Mackworth-Praed on [Ibis, 



[C. & L. coll.] 1 Kamisa, 1 Singa Dec. Sen. ; 1 Melut 

 Jan., 1 nr. Lake No Mch., 1 9^° N., 30° 40' E., 

 Feb. W.N. 

 A common winter bird in north-east Africa, breeding in 

 south-eastern Europe and western Asia. 



Hippolais languida. 



Hippolais languida (Hempr. & Ehr.); Hartert, Vog. pal. 

 Faun. p. 573. 



[B. coll.] 1 c? Khartoum, 24 Aug. 



This species has been obtained in Eritrea and the Aden 

 Protectorate, also in August, and possibly breeds in north- 

 east Africa as well as in western and central Asia. It 

 does not appear to have been previously recorded from the 

 Sudan. 



Sylvia nisoria nisoria. 



Sylvia nisoria nisoria (Bechst.) ; Hartert, Vog. pal. Faun, 

 p. 578 ; Butler, Ibis, 1909, p. 396. 



[B. coll.] 1 Port Sudan Apl. 5, Khor Arbat May 5, 



R.S. 

 [C. & L. coll.] 3 Sinkat Mch. E.S. ; 2 White Nile 



lat. 12« N. Mch. W.N. 

 Scarce on the Nile, but extremely plentiful on spring 

 migration along the Red Sea coast (A. L. B.). 



Sylvia communis communis. 



Sylvia communis communis Latham ; Hartert, Vog. pal. 

 Faun. p. 586. 



Sylvia cinerea Bechst.; Butler, Ibis, 1909, p. 397. 



[B. coll.] 1 Port Sudan, Apl. 30, R.S. ; 1 Disa Apl. 15, 



Sen. 

 [C. & L. coll.] 1 Sinkat Mch. 24, 1 Erkowit Mch. 31, 



R.S. ; 1 Kamisa Dec. Sen. 

 These Whitethroats seem to be all referable to the 

 European typical race, though there is no reason why the 

 eastern race S. c. ictero^s should not occur. Most of 



