1918.] the Birds of the Anglo- Egijj)tian Sudan. 631 



Otomela cristata isabellina. 



Otumela isabeUiiia (Hempr. & Ehr.) ; Sclater in Shelley's 

 B. A. V. p. 293. 



Lanius isabellinus Butler, Ibis, 1909, p. 394. 



[B. coll.] 2 Erkowit Mch. Apl., 1 Port Sudan Apl., 



1 Khor Arbat May R.S. ; 1 Shendi Mch. Ber. ; 



3 Mongalla summer; 1 Lado Feb. 

 [C. & L. coll.] 1 Port Sudan Dec. U.S. ; 3 White Nile 



lat. 9i"-12° N., 1 Kosti Jan. W.N. ; 1 Tonga, 



1 mouth of Bahr el Zeraf, 1 Lake No Feb. U.N. 



Otomela cristata phcenicuroides. 



Otomela phoenicuroides (Severzow) ; Sclater in Shelley's 

 B. A. V. p. 295. 



Lanius isabellinus (nee H. & E.) ; Butler, Ibis, 1908, 

 p. 226 (part.). 



[B. coll.] 2 Khartoum Feb. ; 1 Kenisa Feb. Mon. 



These two forms of O. cr-istata are somewhat difficult, to 

 distinguish, and some birds are doubtless intermediate. 

 The breeding-ranges of both are in western Asia and they 

 only occur in Africa in winter. The present subspecies has 

 not previously been definitely recorded from the Sudan, 

 and Mr. Butler did not distinguish it from the common 

 0. c. isabellina. 



Malaconotns poliocephalus catharoxanthus. 

 Malaconotus poliocephalns catharoxanthus Neum. ; Sclater 

 in Shelley's B. A. v. p. 407. 



Malaconotus poliocephalus apud Butler, Ibis, 1905, 

 p. 329. 



Laniarius catharoxanthus Butler, Ibis, 1908, p. 226, 

 1909, p. 81. 



[B. coll.] 1 Gallabat May, Kas. ; 1 Wau, 1 near Rumbek 

 Jan., 1 Chak Chak Feb., 1 Kuanga's, 1 Tenibura 

 Mch. B.G ; 1 near llejaf Apl. L.E. 

 [Chr. coll.] 3 Meridi Jan. Feb., 1 Mt. Baginzi, 7 

 Yambio Mch. B.G. 



