friends, the enemy," then the pithecanthropus must have lived
20,000,000 years ago, one-third the period assigned to life. They
claim the pithecanthropus lived 750,000 years ago; later the guess is
reduced to 375,000. Does any one in his senses believe that an
ape-human animal developed one-third of the normal human brain in
375,000 or 750,000 years, when it took 59,250,000 years to develop
two-thirds of the brain? If one-third of the normal brain developed in
the last 750,000 years, the rate of development must have been 39.5
times as great as in the preceding 59,250,000 years. If one-third
developed in the last 375,000 years, the rate of development must have
been 78 times as rapid as in the preceding 59,625,000 years. This is
incredible. If life began 500,000,000 years ago, and one-third the
brain developed in the last 750,000 years, the rate must have been 332
times as rapid as in the preceding 499,250,000 years; and 666 times as
rapid in 375,000 years as in the preceding 499,625,000 years. All
these guesses are clearly impossible.

But the agile evolutionist may try to escape the death sentence of
mathematics and the condemnation of reason, by saying that the brain
developed more rapidly than the rest of the body. But he is estopped
from that claim, by the statement of this same Prof. R. S. Lull: "The
brain, especially the type of brain found in the higher human races,
must have been _very_ slow of development." If so, the pithecanthropus
must have lived more than 20,000,000 years ago! So swiftly does
inexorable mathematics upset this reckless theory.

This calculation has been made upon the basis of the estimate of
60,000,000 years since life began, taken from Prof. H. H. Newman in
"Readings in Evolution," p. 68. But, seeing that even this great
estimate of the period of life is not sufficient for evolution, in a