194 BRITISH BIRDS EGGS. 
followed by a couple of the most inveterate of its pursuers, 
and not till it had disappeared from view among the hills 
to the north did the Gulls return to their quarters and 
was peace re-established. On no other occasion have I 
seen an Owl rise to such an altitude; at one time it 
wheeled round in large circles at the height of at least 
three hundred feet.” 
