354 



BRITISH BIRDS. 



the bird approached its method was the same. It flew 

 along the cliii'-face until it reached a point nearly opposite 

 to the nest, but considerably below it ; then it swept 

 round abruptl}' until it faced the clitr, at the same time 

 giving its course a strong upward tendency, still trailing 

 its feet. Figure 2 shows the bird just after it had faced 

 round to the cliff and was sweeping upwards. As soon as 



FIGURE 4. — JUST SET FOOT UPON THE LEDGE. 

 (Photographed by Bentley Beetham.) 



it arrived directly opposite to its nest, its one thought 

 was to stop the forward and upward impetus produced 

 by the great soaring approach. 



Figure 3 shows plainly the measures adopted by another 

 bird— which, by the way, advanced in a more direct and 

 horizontal course, and had, therefore, a more direct 

 forward momentum to counteract. It flew straight for 



