1919-] ihe Birds of the Anglo-lujyptinn Sudan. 647 



p. 124, Reichenow describes anotlier race from Lake Chad 

 under the name of C. s. tschadensis. We have only one 

 specimen from tliat exact locality, and so we cannot say 

 whether or not the diti'ereiices he points out are constant, 

 l)ut if they are, it is a very local race, as specimens from the 

 Niger as well as the Shari and Welle are certainly the 

 typical race. 



C. senegaleusis is not unlike C. m. jischeri^ but may always 

 be distinguished by its dull green and not blue head and 

 nape. 



Centropus superciliosus superciliosus. 



Centropus superciliosus Hempr. & Ehr. Symb. Pliys. 1828, 

 fol. r : S. Arabia ; Reiclivv. V. A. ii. p. 65 ; Butler, Ibis, 

 1905, p. 357. 



Centropus superciliosus superciliosus Hempr. & Ehr. ; 

 Claude Grant, Ibis, 1915, p. 424. 



[B, coll.] 1 Eilafun Jan. B.N, ; 1 Roseires July, 1 SoAvleit 

 Apl. Sen.; ] north of Khartoum; 1 Renk Jan., U.N. ; 

 1 Rejaf Feb. L.E. 

 [C. & L. coll.] 1 Sennar Jan., 2 Kamisa Dec. Sen.; 

 1 White Nile lat. 10|°N., U.N. 



Centhmochares sereus intermedius. 



Ceuthmovhares intermedius Sliarpe, J. Linn. Soc. London, 

 xvii. 1884, p. 432 : Semmio, Niam Niam Country. 



Ceuthmochares (ereus intermedius Reichw. V. A. ii. p. 74. 



[Chr. coll.] 1 Meridi Jan., 1 Tembura Apl., 3 Yambio 

 Mch. B.G. 



This race is distinguished from typical C. cb. cereus from 

 the Congo by its greener and less blue back, but we confess 

 that it is with some hesitation tiiat we keep the two races 

 separate. Our birds are still more green than the type of 

 the subspecies from Seramio. This bird does not appear to 

 have been previously recorded from the Sudan, though noi 

 uncommon in Uganda and on the upper Welle. 



2z2 



