CYPSELIDAE 



425 



Africa, Abyssinia, and Uganda, and exceptionally on the Congo ; 

 C. horus across Tropical Africa ; C. ctndicola in Argentina, Peru, 

 and Bolivia ; C. montivagus in the last two countries. C. paci- 

 ficus of East Asia, with Japan and the Burmese countries, reach< 

 Australia in winter. Some species lay four or five eggs, and 



FIG. 88. Swift. Cypselus apus. x J. (From Natural History of Selborne. ) 



C. melanoleucus of western North America utters a peculiar twitter 

 in its nest, placed in clefts of rocks. 1 Five species of Tachornis, or 

 Palm-Swift, here included under Cypselus, are found throughout 

 the Ethiopian Eegion, from India and the Maky countries to 

 China, and in the West Indies; ^(X^^ 



Guiana, Brazil, and East I^r^^^he^tQes^pdfnt > forward in two 

 pairs, the tail is fo$& - Tfiese birds usually attach their nests 



1 Two large ticks (Anapera fimbriata) are usually found on this bird, similar to 

 Anapcra pallida of C. apus. 



