BIRDS IN" RELATION TO THE ALFALFA WEEVIL. 
53 
In the first observation a sparrow was noticed feeding four nearly 
fledged young. The parent bird appeared at the nest with food at 
an average of once every Tf minutes. When examined on the last 
trip the incoming bird had two grains of wheat in its bill. 
is? QUARTER 
2»9> QUARTER 
3*.° QUARTER 
4TH QUARTER 
EXPLANATION 
■111 
ALFALFA GROUMO CA7FFF/L- FL/tt SP/D£f?& GF>A/M M/SCFLr- 
WFEWLS &£ETZ&$ LAFS &AA/FOL/S 
Fig. 
-Diagram showing the food of young English sparrows during the four quarters of 
their nestling life. 
Another observation gave an average of 5 T 5 T minutes for every 
feeding. This nest contained two young, about 4 or 5 days old, but 
the writer failed to secure the adult at the end of the hour. 
Observation of a brood of six young, 4 to 5 days old, showed that 
feedings took place at 5-minute intervals. The male, which was 
captured, carried 17 larva3 of the weevil in his bill. 
