xvi GEOGEAPHICAL DISTRIBUTION. 



Considering, next in order, the six Zoo-Geograpliical Regions of the World, we 

 have the following results : — 



A. Pal^ ARCTIC Eegion. 



Tcculiar Gonern. Peculiar S[iecies.* 



1. Chelidoii ^ 



2. Cotile 1 



3. Biblis ^ 



4. Hirundo _^ 



Total .... 7 



B. Ethiopian Region. 



1. Chelidon It 



2. Cotde 6 



3. Biblis ^ 



4. Pbedina 1 ^ 



.5. Hirundo. 20 



6. Petrocbelidon 2 



7. Psalidoprocnc ^ 



Total .... 3 45 



C. Indian Region'. 



1. Chelidon ^ 



2. Cotile 1 



3. Biblis 1 



4. Hirundo ^ ^ 



5. Petroclielidon 



Total .... 10 



D. AusTRALi.\N Region. 



1. Hirundo ^ ^ 



2. Clieramoeca J 



3. Petroclielidon 3 



Total .... 1 6 



*> The nestii]g-ar(!a of a species is considered liy us to he its true home. 

 t Chelidon albigena, a doubtful species, of which little is known. 



