AN ORNITHOLOGICAL LECTURE. 



89 



and England, which is still farther. Our little bluebird 

 pays an annual visit to the Bermudas, six hundred miles 

 from the continent, and Wilson estimated its apparently 



SUMMER YELLOW-BIED8. 



very moderate flight at much more than a mile a minute. 

 Remarkable stories are told of the long flights tame falcons 

 have been known to take one going a thousand three hun- 

 dred miles in a day. Yarrell mentions carrier-pigeons that 



