178 



BIRDS OF THE BRITISH ISLES. 



percorine Jfalcon. 



The Peregrine Falcon {^Falco peregrinus, Gerini) is a resi- 

 dent species in the British Islands ; it is also met with in 

 most parts of the Palearctic Region, but does not appear to 

 have occurred in Iceland. The adult male has the crown, 



