BRENT GEESE. 511 



is browner, and each feather, including the innermost secondaries, has a 

 greyish- white end ; but the colour of the underparts below the centre of 

 the breast is the same in both the eastern and western forms as in that of 

 their respective adult plumages. The white feathers begin to appear 

 during the first winter, but many of the feathers of the upper parts of 

 birds of the year are more or less paler on their margins. Young in down 

 (figured by Middendorff) are dark grey, shading into white on the centre of 

 the belly and the sides of the head below the eye. 



BRENT GOOSE. 



BERNACLE GOOSE. 



