CATALOGUE OF BIRDS. 2 23 



first landing ; that some of the immigrants remain 

 behind as late as May before returning north to 

 breed. About May flocks in breeding - plumage 

 arrive from the south, and make a short stay before 

 departing with the main body for the breeding- 

 station. 



In regard to the favourite localities of this species 

 generally in our islands, I quote Howard Saunders, 

 who says, " Nowhere in Great Britain is the Knot 

 more abundant than on the extensive sand-banks and 

 mud-flats of the estuaries on the east ;" also again, 

 " Large numbers are found in Ireland during the 

 colder months." The specimens in the case were 

 obtained under the same conditions and circum- 

 stances as were the Bar-tailed Godwits, and indeed 

 I almost think with the same shot from the punt- 

 gun. You will observe that they are in their ashen- 

 grey winter plumage, which is very different to the 

 bright dress assumed in the spring. 



CASE 47. 



THE HOODED CROW. 



Order, Passeres. Family, CofvidcE. 



This bird, also known by the different names of 

 the Grey, Royston, or Saddleback Crow, is a resident 

 and breeding-species in the western islands of Scot- 

 land, and the Isle of Man, is abundant in the north 

 and west of Scodand, the Outer Hebrides, Orkneys, 



