VOL. xui.] COMMON GULL AT ])UNGENESS. 303 



satisfactorily identified and considered to be undoubtedly 

 nesting. After considerable difficulty owing to its situation 

 at the bottom of a hollow between high ridges, we found the 

 nest of a second pair, similar in structure to the first, and 

 containing two eggs that were certainly those of a Common 

 Gull. Time did not then permit of us hunting for those of the 

 other two pairs. 



The four pairs were widely separated from one another, 

 and only one was anywhere near the area occupied by the 



NEST OF COMMON GULL, DUNGENESS, KENT, JUNE 9, IQIQ. 



{Photographed by N. F. Ticehurst.) 



Black-headed Gulls. When not sitting, both birds circled 

 high over head for lengthy periods at a greater altitude 

 than the Black-headed Gulls and seldom settled for any 

 length of time on the shingle. They also showed a marked 

 liking for an elevated perch, more so than the Black-headed 

 Gulls, as I had already remarked in the north. Not much is 

 available in this way at Dungeness, but there happened to be 

 a post not far from the second nest and this was in constant 

 use by one of the birds as a look-out for prolonged periods. 

 Like the first nest, this one was also in a colony of Common 

 Terns, The clutch of three was afterwards completed, and on 



