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THE TRIBES ON MY FRONTIER. 



and glares about it ; for a minute or so it waits to see if 

 any silly bird will leave its shelter, but a hawk's blood is 

 hot and its patience small, so it is soon away to try a sur- 

 prise elsewhere. No sooner is it gone than a rat-bird puts 

 out its head and whistles, and in half a minute all is as 

 lively as if nothing has happened. Birds are light-hearted 

 things. 



