KEY TO BIRDS 
31 
13, Two outer toes joined together 
for half their length. 
Figure 37 
Kingfishers P- 276 
15, Bill very small; mouth enor- 
mous, opening to below eyes. 
Goatsuckers 
Figure 39 
p. 266 
16, Uniformly sooty coloration, tail 
feathers not ending in spines. 
Black Swift P- 270 
17, Feet and toes partly feathered. 
White-throated Swift 
p. 272 
18, Tail feathers ending in sharp 
spines. 
Chimney Swift or Vaux's Swift 
76916-3J 
Figure 40 
P- 271 
