OF BRITISH BIRDS . 87 



Of the seventeen species which breed only in an arctic climate, 

 a few individuals of the two first mentioned find what they require 

 on some of the Scotch Islands. It may be remarked that they 

 belong principally to the Limicolas, though the list contains a few 

 Anseres, three Passerine Birds, and an Owl : 



Numehius phceopus. 



Totanus glottis. 



Tringa tcmminclri. 



Tringa subarquata. 



Tringa platyrliyncha. 



Totanus fuscus. 



Limosa rufa. 



Scolopax gallinula. 



Cygnus musicus. 



Cygnus bewicki. 



Anser segetum. 



Anser minutus. 



Somateria stelleri. 



Erithacus suecica. 



Anthus cermnus. 



Etiiberiza pusilla. 



Surnia funerea. 



Of the fifteen species whose breeding range is both arctic and 

 subarctic, at least half of them breed in greater or less numbers 

 in our Islands : 



Falco cesalon. 



Larus canus. 



Charadrius morinellus. 



Circus cyancus. 



Anas crecca. 



Mergus merganser. 



Anas penelope. 



Totanus glareola. 



Totanus pugnax. 



Mergus albdlus. 



Grus communis. 



Loxia hucoptera lifasciata. 



Bubo maximus. 



Eniberiza rustica. 



Nucifraga caryocatactes. 



