THE SWALLOW. 



55 



often full of clusters of flies that she has swallowed, and that stick together 

 in little lumps. Some of these are no doubt intended for the little brood at 

 home. There is a sticky substance in her mouth, that helps to catch the flies. 



SWALLOWS. 



The swallow has been called a mason bird, because her nest is usually 

 ^ made of moist earth or clay. But she always makes a comfortable bed of 

 feathers for the little ones to rest upon. 



