Either you have altered a good deal, or I did not see all or was purblind, for I have been much more interested with all the first part than I was before,--not that I did not like it at first.

All seems to me very clearly written, and I have been baulked at only one sentence.

I think, on the whole, I like the geological, or rather palaeontological, discussion best: it seems to me excellent, and admirably cautious.

I agree with all that you say as far as my want of special knowledge allows me to judge.
I have no criticisms of any importance, but I should have liked more facts in one or two places, which I shall not ask about.

I rather demur to the fairness of your comparison of rising and sinking areas (348/2.
Hooker, op.cit., page xv, paragraph 24.