74 GREAT SENEGAL SWALLOW. 
white, and the last range of the upper tail-covers, 
like the tail itself, is glossy hlack. The fork of the 
tail measures an inch and a half. 
Total length, 8 inches ; hill, from the front, 
almost T 4 0 ; wings, 5 T 6 3 ; tail beyond, ^ ; outermost 
feather from the base, 5,‘ ; tarsus, 
WHITE-BODIED SWALLOW. 
Hirundo leucosoma , Swains. 
Above, shining blue-black ; beneath, pure white ; patch upon 
the lesser wing-covers, and band on the inner webs of the 
tail-feathers, white ; wings longer than the two outer tail- 
feathers, which are acuminated. 
We can find no record of this small hut very 
beautiful swallow, the deep glossy black of whose 
plumage finely contrasts with the snowy whiteness 
of the under parts of its body. So little, indeed, is 
known of the African Swallows, excepting those 
described by Le Vaillant as inhabitants of the Cape 
territories, that hardly more than two species, from 
other parts of this continent, will be found in our 
general systems. 
The form of the bird before us, like that of 
the Great Senegal Swallow, is typical of the fork- 
tailed division of the group. The first quill is rather 
