BATS. 



127 



whistle duet into a sort of twittering, and stopped it at 

 the first mouthful, having now found a better use for 

 their snouts ; but if the visitor came empty-handed they 

 expressed their disappointment in a curious way, by 



A FOX-CHASE JN THE AIR, 



dropping back into the box and scratching themselves 

 violently with their long hind-claws. If that failed to 

 propitiate the fates, they scrambled out and prepared to 



