Note 85 — CONFORMITY TO TYPE.

"There is, indeed, a period in the development of every tissue and every living thing known to us when there are actually no structural peculiarities whatever—when the whole organism consists of transparent, structureless, semi-fluid living bioplasm—when it would not be possible to distinguish the growing moving matter which was to evolve the oak from that which was the germ of a vertebrate animal. Nor can any difference be discerned between the bioplasm matter of the lowest, simplest, epithelial scale of man's organism and that from which the nerve cells of his brain are to be evolved. Neither by studying bioplasm under the microscope nor by any kind of physical or chemical investigation known, can we form any notion of the nature of the substance which is to be formed by the bioplasm, or what will be the ordinary results of the living."—"Bioplasm," Lionel S. Beale, F.R.S., pp. 17, 18.