AUDITORY POWERS OF CATOCALA MOTHS. 



28 7 



whistle was usually 180 from the moth; but occasionally it was 

 placed ten to fifteen degrees away, but out of sight of the moth. 

 In a few rare cases, for a special purpose, the whistle was blown 

 in the presence of the moth. Whenever that was done it is 

 indicated in the tables. The results of these experiments are 

 recorded in Tables IV.-XI. The tables are self explanatory. 



TABLE IV. 



RESPONSES OF Catocala flebilis TO SOUND. 



TABLE V. 



RESPONSES OF Catocala habilis TO SOUND. 



In the experiments recorded in this table (Table V.) the 

 Galton whistle was held three feet from the tree on which the 



moth was resting. 



TABLE VI. 



RESPONSES OF Catocala neogama TO SOUND. 



