SWALLOWS AND MARTINS 



127 



Swallows will congregate of an evening in great 

 numbers in company with House-Martins, these 

 parties being principally composed of the young 

 birds of the season. It is interesting to watch 

 their evolutions. Leading 1 this army are often to 



SWALLOW'S NEST ON THE RAFTEKS OF A BARN. 



be seen a few older birds of both species. First 

 speeding along over the fields they go out of sight, 

 but in a few minutes they are back again, the old 

 birds calling twiz-it^ twiz-id-it, while the younger 

 answer whit-whit. And now they will all ascend 

 to a great height, each one rising in a series of 



