THREE-SPOTTED NIGHT-JAR. 
72 
The ends of the two lateral feathers, on each side, 
are tipt, for about three quarters of an inch, with 
pure white ; the next pair has a very narrow margin 
at the tip, of pale fulvous, but there is none upon 
the remainder. 
Total length, 1 1 inches ; wings, 8 ; tail, from the 
base, 6J. 
GREAT SENEGAL SWALLOW. 
Hirundo Senegalensis, Lnnuses. 
PLATE VI. 
Large ; tail, forked ; plumage above, glossy-black ; sides of 
the nape and neck, and lower part of the back, rufous ; 
beneath, ferruginous, verging to white on the throat and 
breast ; under wing-covers and thighs, pure white. 
Hirundo Senegalcnsis, Linnaeus Lc Grande Hirondelle h ven- 
tre roux du Senegal, PI. Enl. 310 Senegal Swallow of 
authors. 
This is the largest of the true Swallows wc have 
yet seen, for it measures full eight inches in its total 
length. Its structure is precisely similar to our 
common Hirundo rustica, excepting that the hind 
toe and claw, which in that bird is of equal length 
with the shank, is in this a slight degree longer. 
In the general cast of its colouring it has such a 
close resemblance to the Hirundo Ccipensis figured 
by Le Yaillant as an inhabitant of the Cape of 
