114 CATALOGUE OF BIRDS. 



YELLOW WAGTAIL. (IMMATURE, AUTUMN.) 

 Case 128. 



Thousands of young Wagtails in this state of plumage 

 may be observed in the marshes on our eastern coast 

 shortly after midsummer. 



The specimens in the case were obtained in the 

 Hickling Marshes, in Norfolk, in July, 1873. 



GKEY-HEADED WAGTAIL. 



Case 129. 



The Grey-headed arrives about the same time as 

 the Yellow Wagtail, though in considerably smaller 

 numbers. 



A few pairs are said to occasionally breed on the 

 British Islands, though I have never myself had the 

 good fortune to meet with a nest. 



The strongly marked grey head of the male causes 

 him to be easily distinguished from the common 

 species, though the difference in the female is so 

 slight that it can only be detected on careful ex- 

 amination. 



The specimens in the case were obtained between 

 Brighton and Portslade, in April, 1874. 



PIED WAGTAIL. (WINTEE.) 

 Case 130. 



As will readily be seen from an examination of the 

 specimens in this case, the Pied Wagtail, although 



