Only after serious study of sexual dimorphism in the animal series may one venture a few reflections on feminism. One has noticed, in certain species, the female more beautiful, stronger, more active, more intelligent; and one has noticed the opposite. One has seen the male larger, or smaller; one has seen and will see him parasite, or provider, permanent master of the couple or the group, fugitive lover, a slave sacrificed by the female after the completion of her pleasure. All attitudes, and the same ones, are attributed by nature to either of the sexes; there is not, apart from the specific functions, a male or a female rôle. Both or either according to the decalogue of their specie put on the same costume, don the same mask, wield the same boar-spear, tool or sabre without one's being able to discover, at least not without going back to the beginning of things and digesting the archives of life, which of them is disguised and which acts "according to nature." The abundance of food, especially nitrogenized (? azotized) will produce a greater number of females. With certain animals at transformation one may act directly on individuals: tadpoles gorged on mixed food, vegetables, larvæ, chopped meat, have given an excess of females approaching totality (95 females to 5 males). On the other hand over-feeding tends to abolish stamens in plants, the stamens turn into petals, suralimentation even moults the petals into leaves and the buds into shoots. Richness of means, well-being, intensive feeding abolish sex, but the last to be affected is the female, which in sum, perseveres obscurely in the unsexed plant, forced back to its primitive means of reproduction, or to reproduction by slip cutting. If excessive alimentation tends to suppress the male, it would then appear that the separation into two sexes is a means of diminishing the costs of the total being. The monoic type is a step toward this simplification of labour; the female at a given moment eliminates her male organ, refuses to feed it, frees herself from the burden which has only a momentary utility. And, following this, provided in herself with an overabundance of all that maintains life, she divests herself of the specialized sexual apparatus, unsexes herself, that is to say, the identity of contraries being here evident, she is sexed throughout all her parts: _tota femina sexus_.