vt CYPSELIDAE 425 
Africa, Abyssinia, and Uganda, and exceptionally on the Congo ; 
C. horus across Tropical Africa; C. andicola in Argentina, Peru, 
and Bolivia; C. montivagus in the last two countries.  C. paci- 
ficus of East Asia, with Japan and the Burmese countries, reaches 
Australia in winter. Some species lay four or five eggs, and 
ro) 
Fie. 88.—Swift. Cypselus apus. x3. (From Natural History of Selborne. ) 
C. melanoleucus of western North America utters a peculiar twitter 
in its nest, placed in clefts of rocks. Five species of Tachornis, or 
Palm-Swift, here included under Cypselus, are found throughout 
the Ethiopian Region, from India and the Malay countries to 
China, and-in the West Indies; 7. (Claudia) squamata occupying 
Guiana, Brazil, and East Peru. The toes point forward in two 
pairs, the tail is forked. These birds usually attach their nests 
' Two large ticks (Anapera fimbriata) are usually found on this bird, similar to 
Anapera pallida of C. apus. 
