352 The Bird 



was marked for identification, covered the distance in 

 one hour and eight minutes, or at the extraordinary speed 

 of about two miles and three hundred yards per minute. 

 The first pigeon to arrive took four hours and a quarter 

 to make the journey. 







\ 



FIG. 282. Terns in flight. (Photograph provided by the American Museum 

 of Natural History.) 



