LAKES AND RIVERS. 



The Goosander (M. merganser), the Hooded Mer- 

 ganser (M. cucullatus), and the Smew (M. albellus\ are 

 sometimes found on our larger sheets of inland water 

 in winter, although, properly speaking, oceanic birds. 



The Gulls (Larid(B) are seldom, comparatively 

 speaking, seen on our fresh-water lakes or rivers, 

 with the exception of the Black-headed Gull (Larus 



THE BLACK-HEADED GULL. 



rudibundus\ which breeds on the ponds and lakes of 

 our eastern counties. Mr. Hewitson says, "The 

 most numerous colony which I have seen occupies a 

 piece of water upon the estate of Mr. Askew, at 

 Palingsburn, in Northumberland, being little dis- 

 turbed." At most of their breeding-places they are 

 less fortunate, for the eggs are much in request, 



