1920.] On the Birds of the Ani//o-Efft/piian Sudan. 781 



XXXI. — A List of the Birds of the Anglo- Egypt /an Sudan, 

 based on the Collections of Mr. ^1. L. Butler, Mr. A. 

 C/iopman and Capt. H. Lijnes, R.N., and Major Cuth- 

 bert Christy, R.A.M.C. {T.F.). Part IV. (concluded). 



PELECANIDiE — StRUTHIONID^. Bj W. L. ScLATER, 



M.B.O.U., and C. Mackworth-Praeu, M.B.O.U. * 



(Plate XVIII.) 



This, the fourtli portion of tlie list of the Birds of the Sudan, 

 is the final one of a ratlier lengthy paper. The previous 

 parts appeared in 'The Ibis' of July 1918, October 1918, 

 and October 1919. Since the other parts were printed, 

 more material has come to hand from the Sudan, and 

 nomenclature has in some cases been changed, with tlie 

 result that a list of Addenda and Corrigenda is necessary to 

 bring these parts up to date. We are indebted to Major 

 Claude Graham for some most interesting birds from the 

 Nuba Mountains in Kordofan, notably a pair of the 

 White-capped ('hat, Tha7nnol(ea albiscapulata, or its local 

 representative. 



We have also examined a collection of birds from the 

 Khartoum Museum sent home by Mr. H. H. King, the 

 Sudan Government Entomologist, including one or two 

 species new to the Sudan, ;nid to him (as well as, of course, 

 to the authorities of the Natural History Museum) we are 

 particularly grateful. 



For the convenience of I'eadeis, we reprint the map of the 

 Sudan (PI. XVIII.) and also the abbreviations used for the 

 names of the Provinces, which are as follows : — 



Ber. = Berber Province, R S. = Red Sea Province, 

 Kas. = Kassal;i, Sen. = Sennar, B.N. = Blue Nile Province, 

 Kh, = Khartoum Province, Kor. = Kordofan Province, 

 W.N. = Wlrite Nile Province, U.N. = Upper Nile Province, 

 B.G. = Bahr-el-Ghazal, Mon. = Mongalla Province, and 

 L.E. = Lado Enclave. 



* [Owing to Mr. Sclater's absence abroad, the junior author is entirely 

 responsible for this Part of the paper.— 'C. W. M. Praed.] 



