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Updated: September 10, 2025
In rabbits before birth there is none." Elem. Physiol. Had this been an excrementitious fluid, the contrary would probably have occurred. Secondly, the skin of the fetus is covered with a whitish crust or pellicle, which would seem to preclude any idea of the liquor amnii being produced by any exsudation of perspirable matter.
Why then should he lug in, or attempt to lug in, the diverse potentialities of this word "evolution," for the purpose of demonstrating the dynamic law governing the developmental stages of his microscopic pellicle? This, he will agree, lies far below the point, in primary organism, where specific identity, or the law of heredity, asserts its full recognition.
In the shallower portions, the surface of the water may reach the temperature of congelation, but the agitations due to the action of strong winds soon breaks up the thin pellicle of ice, which is quickly melted by the heat generated by the mechanical action of the waves.
A pellicle or skin is formed on the surface, beneath which the vinegar acquires strength. In a month's time it begins to be sharp, but must be suffered to stand a little longer, and then put into a cask, of which the bunghole is to be left open. It may then be used like any other vinegar.
But they move, pulsate, swarm into colonies, and act as if they were guided, not by separate intelligence, but by some master-builder supervising the whole work of organic structure. But this "pellicle" of Professor Bastian is not mere structureless matter, any more than the "bioplast" of Professor Beale.
Then the creature contracts itself, huddles itself together; and before long we see coming detached from its body a transparent, slightly crumpled and extremely fine pellicle, forming a closed bag, in which the successive transformations will take place henceforth.
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