OF EASTERN PENNSYLVANIA. H3 



generally nest at high elevations. In addition to the facts 

 which we have already adduced, the case of jla~jhentris, 

 affords a most striking confirmation of the same truth. 



During the last week of September, this Flycatcher returns 

 from its more northern habitat, remains a few days with us, 

 then retires to its winter home in Mexico, and Guatemala as 

 far south as Panama. 



The eggs are rather oblong, and. in some instances, are 

 sprinkled with minute reddish-brown dots. They measure 

 .67 bv -S2 of an inch. 



