PLATE I. 



Egg Clusters of the Gypsy Moth attacked by Chickadees. 

 The holes in the upper ends of the egg clusters show where the work of the birds has begun. 



Gypsy Moth Egg Clusters destroyed by Chickadees. 



In this case all the eggs have been eaten from the egg clusters, and nothing is left but a little 



of the yellow down of which the cluster is partly composed. (See page 110.) 



(Original photographs taken on the estate of John C. Lee, Wellesley.) 



