70 PSYCHE [August 
they laid freely and seemed to keep healthy. The jar was kept over til the eggs 
hatched, and then was removed. 
The young daplidice caterpillars seemed to prefer the nearly ripe capsules of 
Cardamine, which fly apart suddenly when mature. Many of them were carried off 
on the lids of these capsules before I discovered it. P. rapae in the first stage rested 
persistently on the yellow half dead lower leaves which they matched perfectly. 
They seemed to feed on them also, at least they did not turn green as soon as those 
resting and feeding on green leaves. 
