26 



resonance, a kind of sounding-board effect, 



and not because the two sounded differently 



a^Ae O/'Seec/i as he beat them. The call is undoubtedly 



^rarr/dg^e made either by striking the wings together 



5^^ over his back or, as I am inclined to 



believe, on the down beat against his own 



sides. 



Once I heard a wounded bird give three 

 or four beats of his drum-call ; and when I 



went into the grape- 

 vine thicket, where 

 he had fallen, I found 

 him lying flat on his 

 back, beating his sides 

 with his wings. 



Whenever he 

 drums he first 

 struts, because he 

 knows not how 

 many pairs of 



