122 BLACK GUILLEMOT. 



stones which form the ruins of an old wall, on the top 

 of a single rock at sea, and at an elevation of fifty 

 or sixty feet above its surface. The Black Guillemot 

 resorts annually to the same holes.' 



The eggs are two in number, and of a white 

 colour, with a tinge of green, spotted, blotted, and 

 speckled, more or less, with grey, reddish brown, and 

 very dark brown or blackish. Mr. Hewitson has known 

 one of a pink colour. 



Both parents attend to the young until able to fly 

 and dive, when they forage for themselves. 



