On the bean and the vetch the Bruchus founded colonies in which the infant mortality was low.

There was room for all.

On the pea-vine, delicious though its fruits may be, the greater part of its offspring die of starvation.

The rations are few, and the hungry mouths are multitudinous.
We will linger over this problem no longer.

Let us observe the grub which has now become the sole tenant of the pea by the death of its brothers.