358 BULLETIN 15 3, UNITED STATES NATIONAL MUSEUM 



These five forms may be identified by the following characters: 

 alMventris has the entire belly, sides, flanks, and under tail coverts 

 white ; hlichi is similar but has the middle of the belly pale yellowish ; 

 falkensteini and fazoqlensis have the abdomen wholly yellowish, but 



30° 



so" 



O lOO z oo 3 00 4-0 J'OO f^lLCS 



' - SCALE • 



Figure 20. — Distribution of Cinnyris venustus in uortheastern Africa. 



1. C. V. fazoqlensis. 



2. C. V. albiventris. 

 S. C. V. blicki. 



i. C. V. falkensteini. 

 5. C. V. igneiventris. 



the former has this color a deeper, slightly more orange shade than 

 the latter; igneiventris has the upper half of the abdomen bright 

 orange, the rest yellow. 



A sixth form, suhensis, has recently been described by van 

 Someren''* from the area south and southwest of Lake Rudolf to 



•* Nov. Zool., vol. 37, p. 354, 1932 : Turkwell Kiver. 



