She must surely be obliged to follow the method of the Bembex, whose larva receives, at intervals, the necessary nourishment; the amount increasing as the larva grows.

The facts confirm this deduction.

I spoke just now of the tediousness of my watching when watching the colonies of the Philanthus.

It was perhaps even more tedious than when I was keeping an eye upon the Bembex.

Before the burrows of _Cerceris tuberculus_ and other devourers of the weevil, and before that of the yellow-winged Sphex, the slayer of crickets, there is plenty of distraction, owing to the busy movements of the community.
The mothers have scarcely entered the nest before they are off again, returning quickly with fresh prey, only to set out once more.