PERCHING BIRDS. 215 



and sweeping along with surprising turns and 

 tumblings. I sat, motionless, with my head just 

 above the haycock; and I saw them well. They 

 were continually snapping at the numerous small 

 moths, which were hovering over the heaps of 

 hay ; opening their wide, toad-like mouths, and 

 gliding, swallow-like, with noiseless, wheeling 

 flight." 



