1919-] the Birds of the Anglo-Egyptian Sudan. 643 



underside than is usual in tlie Europeau form, as also has 

 one collected by Hawker at Fashoda. This last is referred 

 by Hartert to C. c. telephonus, but as the type of that sul)- 

 species came from Japan, we prefer not to commit ourselves 

 to any racial name at the moment. The dates of capture of 

 these specimens are of interest. It is surprising to record 

 European Cuckoos from Khartoum in July. 



A common winter migrant; most pass through and go 

 farther south {J. L. B.). 



Cuculiis gularis. 



C/ucuhis gularis Stephens in Shaw's Gen. Zool. ix. 1815, 

 p. 83, pi. 17: Canidehoo, Cape Colony (ex Levaillant) ; 

 Reichw. V\ A. ii. p. 91. 



[B. coll.] 1 Fazogli May, Sen. ; 1 Mongalla July-Sept., 

 2 Bahr el Zeraf June, Mon. 



A widely-distributed resident {^A. L. B.), 



Cuculus solitarius. 



Cuculus solitariiis Stephens in Shaw's Gen. Zool. ix. 1815, 

 p. 84 : Caffraria {i. e. eastern Cape Colony) ex Levaillant. 

 [B. coll.] 1 south of Karia river Apl. 15, L.E. 

 [Chr. coll.] 3 Yainbio Mch., 1 Tembura Apl. E.G. 



Cuculus jacksoni. 



Cncu/us jacksoni Sharpe. Bull. B. O. C. xiii. 1902. p. 7 : 

 Toro, Uganda. 



[Chr. coll.] 1 Yauibio :\Ich., 1 Mt. I5aginzi Mch. E.G. 



We have examined all the examples of the C. solitarius 

 group in the Museum, and we find that it is distributed all 

 over Africa from the Gold Coast and Abyssinia to Cape 

 Colony. 



The forms known as C. gabonensis and C. jacksoni 

 apparently occupy thickly forested districts within the dis- 

 tribution area of C. solitarius and must, we think, at our 

 present state of knowledge, be regai'dcd as distinct species. 



Of C jacksoni the Museum possesses the type from Toro, 

 a good series fioin the Mbira forest in Uganda [Si- tit -Smith), 

 an example from the slopes of Kenya {De/amere)^ and two 

 larire scries from N'Dalla Tando in northern Angola 



