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centuries, old. For the most part they seem to lie where they fell when 

 the animals dropped dead from the places where they clung to the roof of 

 the cave. This seems to indicate that they died, one at a time, from natural 

 causes. 



The above facts seem to warrant two conclusions : ( 1 ) The red bat is 

 less abundant than formerly; (2) it has changed its habits and no longer 

 frequents caves as it did formerly. 



