To Hooker, March 9, 1863 (volume ii. page 361), in reference to
Darwin's feeling about the 'Antiquity of Man.'

"He [Darwin] seems much disappointed that I do not go farther
with him, or do not speak out more. I can only say that I have
spoken out to the full extent of my present convictions, and even
beyond my state of FEELING as to man's unbroken descent from the
brutes, and I find I am half converting not a few who were in
arms against Darwin, and are even now against Huxley." He speaks
of having had to abandon "old and long cherished ideas, which
constituted the charm to me of the theoretical part of the
science in my earlier day, when I believed with Pascal in the
theory, as Hallam terms it, of 'the arch-angel ruined.'"

See the same sentiment in the letter to Darwin, March 11, 1863,
page 363:--

"I think the old 'creation' is almost as much required as ever,
but of course it takes a new form if Lamarck's views improved by
yours are adopted.") that, if Sir Charles could have avoided the
inevitable corollary of the pithecoid origin of man--for which,
to the end of his life, he entertained a profound antipathy--he
would have advocated the efficiency of causes now in operation to
bring about the condition of the organic world, as stoutly as he
championed that doctrine in reference to inorganic nature.

The fact is, that a discerning eye might have seen that some form
or other of the doctrine of transmutation was inevitable, from
the time when the truth enunciated by William Smith that