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BULLETIN 153, UNITED STATES NATIONAL MUSEUM 



northern Cameroon and northern Nigeria. This race may be easily 

 distinguished by the fact that it has the under wing coverts wholly 

 white, whereas in the other two forms here under discussion these 

 feathers are largely blackish, or at least as much black as white. 



O loo 3l oo ado 4-oq_Jv o milcs 

 - SCALE • 



Figure 8. — Distribution of Parus niger in northeastern Africa. 



1. P. n. leucomelas. 



2. P. n. lacuutn. 



3. P. n. purpurascena. 



From its nearest neighbor to the southwest, insignis, it differs in 



having a deeper, more purplish, less greenish, sheen to the feathers. 



Von Heuglin^* writes that this titmouse (race leucomelas) is a 



resident in the highlands of Beni-Amer and Bogosland, where it 



»* Ornithologie Nordost-Afrika's, etc., rol. 1, p. 407, 1869. 



