Birds of Southern Cameroon. 



617 



first were adult males with large testes. Bitye and Assobam. 

 Plumage of E. schistaceus. The above numbers are arranged 

 so as to begin with a specimen that is ringed with green 

 above and with yellow below^ and end with one that is clear 

 slaty-grey above and white below ; the intermediate numbers 

 represent all gradations between the two ; but the difference 

 in the wliole series is slight. 



Nos. 3215 ?, 4198 S, 3913 ?, 4188 ?, 360i sex?, 

 3301 c^, 40.21 S, 3628 sex? All immature. Bitye and 

 Assobam. Plumage of E. olivaceus. In the first the under 

 side is pale brownish-yellow and the upper side olivaceous : 



Text- fig. 20. 



A B C 



A. Tongue of young Euprmodes rufof/u'laris, see p. 61G. B. Tongue 

 of nearly adult Eaprinodes rufogularis, see p. 616. C. Tongue of 

 young Apalis binotata, see p. 618. 



and in the last three the under side is nearly white and 

 the upper side nearly grey. All intermediate gradations are 

 represented in the numbers between. 



No. 3343. ? adult. Assobam. (Similar ? specimens 

 were previously collected at Bitye.) Plumage of typical 

 rufogularis. 



Immature bii'ds similar to those mentioned above have 

 been identified by Dr. Sharpe as E. olivaceus, and that 

 species has been united by him with E. rufoyuJaris. I have 

 now to unite with it also E. schistaceus, Avhich represents 

 the male in adult plumage. This is done not only 



