The ancestors of man
In the tertiary period some races of anthropoids appeared in the lower Pliocene. These anthropoids, ancestors of man, and the ascendants of the apes that still exist in the world, had their evolution in convergent points, therefore, the serological kinship between the organism of man and the chimpanzee. There was not a “descent from the tree”, at the beginning of human evolution, because it was established, a definite lineage for all species. Fish, reptiles, mammals, had their fixed lineage of development and the man would not escape this general rule.
The cave anthropoids have walked, to the groups, from the surface of the globe, for centuries, suffering the middle influences and forming future races into their diversified types.
The research about Neanderthal type recognizes a species of bestialized man, and other discoveries, about fossil man, are a certificate of biological experiments, until put in the primate the approximate characteristic of future man.