The Bluebird 197 



When the arrangements were completed, I waited 

 for the house to be occupied. By March twentieth it 

 had been inspected by many bluebirds, but none had 

 decided to remain. Through the apparatus I had 



SECTION REMOVED SHOWING MICROPHONE 



the pleasure of listening to bluebird conversations 

 such as I had never heard before. As the birds were 

 house hunting their notes were at times very spirited, 

 and their quick movements were plainly indicative of 

 excitement. 



