123 



LESSER BLACK-BACKED GULL. 



YELLOW-LEGGED GULL. 

 PLATE CCXXVI. FIG. I. 



Larus fuscus, .... Linnjsus. Gmelin. 



The present species builds on bare and barren islands, 

 both those of the sea-coast and those of inland lakes, 

 as well as on the margin of the mainland. Steep and 

 precipitous cliffs are used, as well as low marshy moors 

 and sandy places a little way inland. 



The nest is a tolerable quantity of grass, with occa- 

 sionally, though rarely, some sea-weed placed loosely 

 together in some slight hollow in the rock or the 

 adjacent herbage, the latter least frequently. 



The eggs, which are two, three, or four in number, 

 are of almost every variety of shade of green and brown, 

 olive o-reen, olive brown, and stone-colour, thickly 

 spotted with grey, brown of two shades, and brownish 



black. 



The first or second week in June is the time of 



building. 



