TURBID M. 119 



hopping and gliding amongst bushes and plants, or 

 running along the ground with astonishing swiftness, 

 generally accompanying all such movements by rapid 

 expansions and depressions of its tail and wings. The 

 male sings very pleasantly ; and his notes have been 

 likened to the following differently intoned syallables, 

 jan-fredric-dric-dric fredric, whence its colonial name 

 of Jan fredric. 



The irides in this species are dark brown, the bill 

 black, the legs and feet livid brown. 



150. Cossypha bicolor (Sparr.). Vociferous Chat-Thrusli. 



Le licclaniein-, Levaillant's Ois. d'Afr. pi. 104. 

 Bessonornis vociferans, Layard's Cat. No. 24o. 

 Cusf^ijpha bicolor, Shai-pe's Cat. No. 23G. 



[Mr. R. B. Sharpe possesses a bird of this species, which was 

 obtained by Mr. Andersson at Objimbiuque. — Ed.] 



PYCNONOTID^. 



151. Pycnonotus nigricans (VieiU.). Bnmoir Bulbul. 

 Le Unowir, Levaillaut's Ois. d'Afr. pi. lOG. fig. 1. 

 Pycnonotus niffricans, Layard's Cat. No. 2(31. 



„ „ Finsch & Ilartlaub's Vcigel Ost-Afrika's, p. 297. 



„ „ Sliarpe's Cat. No. 204. 



This bird is found abundantly as far north as the 

 Okavango River, as also in the Lake-regions. It is gre- 

 garious in its habits, often congregating in considerable 

 numbers, and is never found for away from water ; it is 

 active, lively, and noisy, but chatters rather than sings ; 

 its food consists of berries, insects, »&c. A nest taken in 



