OF BRITISH BIRDS 65 



the Dartford Warbler is a resident in England, but unknown in 

 Scotland and Ireland ; whilst the Ptarmigan is a resident in Scot- 

 land, but unknown in England or Ireland. In the following 

 summary of the distribution of birds within the British Islands, 

 the word " partial " is prefixed to those appellations which do not 

 apply to all three kingdoms '. 



Residents ...... 82 



Partial residents . . . .26 



108 



Summer visitors . . . .32 

 Partial ditto . . . . . 16 



48 

 Winter visitors . . . . .66 



Partial ditto . . . .2 



68 



Spring and autumn migrants . .18 

 Partial ditto . . . .14 



32 

 Accidental . . . . . . 34 



Partial ditto 101 



135 



391 



RESIDENTS. 



Of the 108 species of British Birds which are most accurately 

 described as Residents, three have not occurred in England, three 

 are unknown in Scotland, whilst as many as ten are riot known to 

 have visited Ireland. 



The following species may be regarded as residents both in 

 England, Scotland, and Ireland : 



Falco percgrinus. 

 Fako tinnunculus. 

 Falco cesalon. 

 Buteo vulgaris. 

 Accipiter nisus. 

 Strix otus. 

 Aluco flammeus. 

 Corvus corax. 

 Corvus corone. 

 Corvus monedula. 



