HE GENUS PETROCHELIDON. 



V 



t 



□ 



Guest. 

 Wanderer. 



Earely 



Generally > nesting 



; i 



In colonies J 



legion. 



Mediterraneo-Asiatie 

 Sub-Region. 



Ethiopian Region. 



Indian Region. 



PS 



W 



m 



Australian Region. 



i-i <-> 



o 



o 



o 



a 



k 



