438 Mr. V. G. L. vau Someren on Birds 



greyish ; the upper surface more greenish olive, and the tail 

 more rusty; eyelids white. Wing, ^ 68-71, ? 65-68 mm. 

 Localities. Mabira, Kyetema, Kasala, and Mubango 

 Forests, in Uganda. 



Andropadus gracilirostris chagwensis. 



Chlorocichla gracilirostris chagwensis van Someren, Bull. 

 B. O. C. XXXV. 1915, p. 127 : Chagwe, Uganda. 



cj 1-14 ; ? 1-8 ( (J ad. 20. x. 14, type of the species). 

 Collected throughout the year 1913-14. 



We have separated the Uganda race of A. gracilirostris, 

 because there ai^e certain constant characters which distin- 

 guish these birds from A. gracilirostris gracilirostris from 

 Fernando Po and A, g. percivali from British East Africa. 

 A. g. percivali is very near A. g. chagwensis, and the two 

 races meet in the Elgon district. In naming these birds, I 

 went over the whole of the series in the Triug and British 

 Museums. They can be divided up according to localities 

 into two main groups, eastern and western, the first group 

 including birds from Uganda, Tanganyika, and British East 

 Africa ; the second those from Angola, Gaboon, Nigeria, 

 Fernando Po, and Sierra Leone, The first group can be 

 subdivided into two, viz, A. g. percivali Neum. froai British 

 East Africa, and A. g. chagwensis van Someren from Uganda, 

 east to Elgon, south to Tanganyika, west to Congo border. 



The characters of A. g. percivali, compared with A. g. 

 gracilirostris, are : Upper surface much biighter olive- 

 green, under surface clearer grey, and the throat to neck 

 creamy (not well demarcated). 



A, g. chagwensis ; Upper surface as in A. g. percivali, 

 underside darker pure gz'ey without any creamy tinge, 

 throat grey like the rest of the under surface. Under 

 wing-coverts brighter yellow. 



A, g. gracilirostris : Birds from Angola, Gaboon, and 

 Nigeria are not distinguishable from birds from the type- 

 locality, Fernando Po. A. g. poensis Alexander was simply 

 a redescription ot the bird from the type-locality, it being 

 very unlikely that there are two distinct birds on the island. 



