Birds of Southern Cameroon. 



501 



except one, wliicli was sliot at a place furtlier down tlie Ja. 

 Tliese shew all gradatioDS from (1) a perfectly black first 

 plumage (Nos. 3898 and 3904); through (2) a moulting 

 transitional state, in which some of the chestnut feathers of 

 the throat and chest and some of the barred feathers of the 

 under parts are appearing among the black ones (Nos. 304i 

 and 3111) ; and (3) a nearly adult plumage with some dark 



Text-fi:?. l:{. 



Ends of the middle pah- of ivctrices of Cnmlus (jnbimensis. 



bars on the throat (Xos.4111.4091, and 3(UG) ; to (4) the fully 

 aditlt plumage (No. 4291) . The specimen that Sharpe called 

 Cuculus clamosus ('Ibis/ /. c. supra) is just like No. 3141. 

 None of these birds have white-edged feathers. The feet 

 are whitish, becoming yellowish only in older examples. 

 The first two mentioned above, in Avhich the plumage is not 

 grown, have the upper surface of the tail perfectly black 



SER. IX. VOL. V. 2 M 



