QO THE SWALLOW 



i He did this by staining them with 



^"^ ^ his colors and then setting them 

 ^ ^^ free; and they at once made 



their way to their old nests. 



Fabius Pictor, the ancient historian, re- 

 lates in his Annals how one day a Roman 

 garrison was being besieged, when a swallow, 

 who had been taken away from her young in 

 the nest outside the walls, was brought to 

 him inside. He tied a string to her foot, 

 making as many knots in it as the number 



