I should obtain females and afterwards an equal number of males, confined in small cells which, in case of need, would be bounded by numerous partitions.

The factor of space does not enter into the question here.

What artifice can we then employ to provoke this second permutation?
So far, I can think of nothing that is worth attempting.
It is time to conclude.

Leading a retired life, in the solitude of a village, having quite enough to do with patiently and obscurely ploughing my humble furrow, I know little about modern scientific views.

In my young days I had a passionate longing for books and found it difficult to procure them; to-day, when I could almost have them if I wanted, I am ceasing to wish for them.