34 



a vertical line and the narrow confines of a chimney would 

 seem to make such flight a necessity, I often used to wonder 

 just how the adult birds left the home. Of course a boy's 

 curiosity has to be satisfied so one day I removed the board 

 from the front of the old-fashioned fireplace, concealed 



Fig. 30. NEST OF CHIMNEY SWIFT. 

 Taken by reflected light from a inirror. 



mj'self within and watched until my quest for knowledge 

 was satisfied. Their movements were so rapid and the 

 loosened soot would persist in getting in my eyes so much 

 that my research was no easy one. 



