COMMON GREY FLYCATCHER. 
53 
effect only of a different age, or of moulting ? The 
answer to these questions can only be given after 
sin examination of more specimens than we at 
present possess. One would have thought that no- 
thing in the structure of a bird, like the Muscicapa 
grisola, would have been left unnoticed by its in- 
numerable describers, but we have searched in vain 
for any particulars as to the form of its wing. It is 
really surprising that our ornithologists cannot be 
persuaded to be more full and accurate in their de- 
scriptions, even when they daily see the actual im- 
portance it is to their own researches. 
RUFOUS-BELLIED FLYCATCHER. 
Muscipeta rufiventer , Swains. 
PLATE IV. 
Rufous ; crest, head, and chin, glossy steel-blue ; outer half 
of the wings, black ; tail, long, cuneated. 
The most beautiful birds, in the very numerous 
family of Flycatchers, are those first distinguished 
by Le Vaillant, and which M. Cuvier subsequently 
named Mmcipeta. All the South African species 
have been beautifully figured and accurately de- 
scribed in the costly work of Le Vaillant; but the 
