The paper chiefly deals with the fact that in their earliest condition irregular flowers are regular.

The view attributed to Barneoud does not seem so definitely given in this paper as in a previous one ("Ann.

Sc.

Nat." Bot., Tom.
VI., page 268.) Your instance of heart and brain of fish seems to me very good.

It was a very stupid blunder on my part not thinking of the posterior part of the time of development.