XVUl 



Branta leunopais. 

 Cygnus cygnu«. 

 Cygnus bewiekii. 

 Nyroca marila*. 

 Olaueion clangula. 

 Clangula hyemalis *. 

 CEdemia fusea. 

 Mergellus albellus. 

 Sotaurus sieltaris *. 

 Limnoeryptes gaUinula. 

 Tringa canutus. 

 Tringa maritima. 

 Calidris arenaria. 



INTRODUCTION. 



Totanus ocUropus. 

 Limosa lappomica. 

 Squatarola squatarola. 

 Arenaria interpren. 

 Larus glattcus. 

 Larus leueopterus. 

 Steroorarius pomarinus. 

 Alle alle. 

 PiiffinuK gravis t. 

 Colymbus immer. 

 Podiceps griseigena. 

 Podiceps aurittis *. 

 Podiceps nigricolliJi *. 



* Has bred. 



f Also occasionally in summer. 



BIRDS OF PASSAGE.— These birds are only found during 

 the spring and autumn migration periods, though 

 some exceptionally pass the winter and others the 

 summer and breed in the British Islands. They number 

 30, viz. : — 



Carduelis carduelis. 

 Emberiza hortulana. 

 Motacilla alba * . 

 Motacilla f. thunbergi. 

 Anthus p. littoralis. 

 Sylvia nisoria. 

 Hypolais icterina. 

 Phylloscopus t. eversmanni. 

 Phylloscopus c. abietinus. 

 Phylloscopus tristis. 

 Phylloscopus superciliostis. 

 Oyanosyhia sueeica. 

 QSnanthe ce. leucorrhoa. 

 Upupa epops *. 

 Pernig apivortis *. 



Platalea leucorodia \. 

 Plegadis falcinelliis. 

 Phalaropus fulicarius. 

 Oallinago media. 

 Tringa minuta. 

 Tringa temmincki. 

 Tringa ferruginea . 

 Machetes pugnax * . 

 Totanus fuseus. 

 Totanus glareola * . 

 Limosa limosa +. 

 JRecurvirostra avocetta f. 

 Larus fuseus. 

 Hydrochelidon nigra \. 

 Stercorarius longicaudus. 



Has bred. 



t Formerly bred. 



