NO. 20 FIFTEEN NEW AFRICAN BIRDS — MEARNS 7 



Measurements of type (adult female). — Wing, 54 mm.; tail, 58; 

 culmen (chord), 9.5; tarsus, 15. 



Remarks. — All adult females oi the races of Urccgiiithiis bengalus 

 found in the N'Guaso N}'iro region, northwest of Mount Kenia, 

 British East Africa, and in the valley of the Upper White Nile, 

 have the sides of the face and chin blue. One female (Cat. No. 

 213779. U. S. N. M.) from Juja Farm, Athi River, British East 

 Africa, May 19, 1909, is intermediate with respect to the coloration 

 of the chin and sides of head, both of which are brown, mixed with 

 blue ; but the bill agrees in size with that of hrunneigidaris, wliich 

 is about one millimeter shorter than that of schoensis. 



Average measurements of nine adult males. — Wing, 52.2 mm. ; 

 tail, 58; culmen (chord), 9.8; tarsus, 14.3. 



Average measurements of twelve adult females. — Wing, 51.5 

 mm.; tail, 53.5; culmen (chord), 9.5; tarsus, 14.3. 



PYCNONOTUS LAYARDI Gurney 



Layard's Yellow-vented Bulbul 



Pyenonotus layardi Gurney, Ibis, 1879, p. 390 (Rustenburg, 



Transvaal). 



The typical form, Pyenonotus layardi layardi, inhabits the eastern 

 districts of the Cape region of South Africa. In the coast region 

 of German and British East Africa it merges into the subspecies 

 niierus, and, farther north, and west to the Nile Valley, into several 

 recognizable subspecies, three of which are here described as new. 



PYCNONOTUS LAYARDI FAYI, new subspecies 

 Fay's Bulbul 



Type-speeimen.— Adult male. Cat. No. 214391, U. S. N. M. Col- 

 lected at Fay's Farm, at N'jabini, British East Africa, altitude 8000 

 feet, August 11, 1909, by Edgar A. Mearns. Original number, 



16537- 



Charaeters. — Similar to Pyenonotus layardi micrus Oberholser m 

 pattern and coloration, but nearly as large as Pyenonotus layardi 

 layardi, from which it differs in being more darkly colored, with 

 dark centers to the feathers of the mantle, and a tendency to strip- 

 ing of the lower breast instead of the softly-blended coloration of 

 layardi. Micrus is much paler as well as smaller than fayi. 



Nestlings, ready for flight, have the head blackish brown; the 

 wings and tail dark brown ; the remaining upper parts bistre ; the 



