INTRODUCTION. 



and their numbers are increased in winter by fresh 

 arrivals from the north, while many of the breeding- 

 birds move south in winter. These number 141, viz. : 



Cori-us corax. 

 Corvus coi'one. 

 Corvus comix. 

 Corvus monedula. 

 Corvus fruyileyus. 

 Pica pica. 



Garrulus g. rufitergnm. 

 Guri'iilua ff. hibernicus. 

 Pyrrhvcorax pyrrhocorax. 

 Sturnus vulgar is. 

 Chloris chlori*. 

 Coccothraustes coccothruustes. 

 Cnrduelis c. britannica. 

 Spinus spinus. 

 Passer domesticus. 

 Passer montanus. 

 Frinyilla ccelebs. 

 Acanthis cannabina. 

 Acanthis I. cabaret. 

 Acanthis flavirostris. 

 Pyrrhula p. pileata. 

 Loxia curvirostra. 

 Loxia c. scotica. 

 Emberiza calandra. 

 Emberiza citrinella. 

 Emberiza c-irlus. 

 Emberiza schoeniclus. 

 Plectrophenax nicalis. 

 Alauda arvensis. 

 Lnllula arborea. 

 Motacilla luyubris, 

 Motacilla boarula. 

 Anthus prateneis. 

 Anthus petrosus. 

 Certhiaf. britannica. 

 Sitta cctsia. 

 Reyulus regnlits. 

 Panwus biarmicus. 

 Par us m. neiotoni. 



Partis a. britannicus. 



Parus a. hibernicus. 



Panes p. dresferi. 



Parus b. kleinschmidti. 



Parus c. obscurus. 



Pants c. scoticus. 



JEgithalus c. rostus. 



Melizophilus tt. dartfordiensis. 



Turdus viscivorus. 



Turdus m. clarkii. 



Turdus in. hebridensis. 



Turdus merula. 



Erithacus r. melophilus. 



Saxicola rubicola. 



Accentor modularis. 



Cinclus c. britannicus. 



Cinclus c. hibernicus. 



Troglodytes troylodytes. 



Troglodytes t. hirtensis. 



Troglodytes t. zetlandicua. 



Dryobates m. anylicus. 



Dryobates minor. 



Picus viridis. 



Alcedo ispida. 



Flam meajlu m me a. 



Asio utus. 



Asia accifiitrinus 



Strix aluco. 



Carine noctua *. 



Circus ceruginoiits. 



Circus cyaneus. 



Buteo buteo. 



Aquila chnjsaetus. 



Haliaefus albicilla. 



Accipiter nisus. 



M ileus m ileus. 



Falco pereyrinus. 



Falco cesalon. 



Falco tinnunculus. 



* Introduced. 



