38 
NESTS AND EGGS OF 
necessarily remain under parental control a week longer, before they are 
able to support themselves. By some inexplicable circumstance, the young 
do not leave for their winter-homes until some time after their parents 
have departed. 
The eggs are beautifully elliptical in outline, and of a pure dull white 
color. They measure .50 by .34 of an inch. Never more than a single 
brood is raised annually. Nests with eggs have been taken as late as the 
20th of July, but these were doubtless laid by females whose early efforts 
had been interfered with. 
