NESTLINGS OF FOREST AND MARSH 
two days for further experiments in photog- 
raphy. Following the advice of Mr. Dug- 
more, we provided them with a nest as like 
their own as possible in a rubber sponge bag 
hung on a door-knob. Their food was yolk 
of hard-boiled eggs and cracker crumbs 
mashed together, varied by a cut-up earth- 
worm every other meal. They were fed 
every hour, and had a drink of water with 
each meal, the last meal at night being at 
six o’clock, and the first in the morning at 
five. Even then, only ten days old, they 
showed different characteristics. One was 
gentle, easily pacified, and trustful ; the 
other was fierce, always hungry, and resent- 
ful of captivity. From the brighter blue on 
the plumage we judged the gentler one to be 
the male. If so, how reconcile his meekness 
with his sex ? 
His wings were the color of the sky, the 
rest of his body being mottled gray, black, 
and white. A line of down over each eye 
marked his babyhood, as in all small birds ; 
otherwise he was fully feathered. The fe- 
34 
