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



is not due to the make up of the skins and the appearance 

 of the yellow from below. There seems to be no difference 

 in dimensions : the wings measure 50-55 mm. 



Type, a ? from Bara, Kordofan, 27/iv./04. A. L. Butler 

 coll., B.M. reg. no. 1916/9/20/985. 



Other examples in the British Museum are : — 4 near 

 Lake Chad [Alexandei-), 1 Bara, Kordofan (Capt. W. H. 

 Dunn), 1 Jebel Auli, White Nile (Hawker). 



We recognize, following Ogilvie-Grant (Bull. B. O. C. 

 XXV. 1910, p. 120), tlie following forms of E. flaviventris : — 



E. f. flaviventris (Burchell) : Asbestos Mts., Griqualand 

 West. Distr. Damaraland and Angola eastward to 

 Lake Ngami, Bechuanaland, and the Western Trans- 

 vaal. 



E. f. saturatior O. -Grant : Deelfontein. Distr. Central 

 Cape Colony, Deelfontein, and Kiugwilliamstown. 



E.f. polioxantha Shsirpe : Swaziland. Distr. Swaziland, 

 eastern Transvaal, Rhodesia, and Nyasaland. 



E.f. abdominalis Reich w. : Tanganyika to Kikuyu. We 

 have seen no examples of this.form. 



E. f. crawfurdi Stephenson-Clarke, Bull. B. O. C. xxix. 

 1911, p. 43 : Sotik, Br. K. Africa ; only known from 

 the type. 



E. f. Jlavicrissalis Sharpe : Webbe Shebeli, S. Somali. 

 Distr. S. Somali and Jubalaiid, B. E. Afr. ; with this 

 we unite E. erlanycri Reich w. It is easily distinguished 

 by its small size ; wing under 50 ram. 



E. f. griseoflava Heuglin: Bogosland. Distr. Sennar and 

 Red Sea Province of the Sudan south to Shoa and 

 northern Somaliland. 



E. /. alexanderi, vide supra. Upper White Nile to Kor- 

 dofan and L. Chad. 



Camaroptera griseoviridis griseoviridis. 

 Orthotomus griseoviridis v. Miiller, Naumannia, i. pt. 4, 

 1851, p. 27 : Kordofan. 



