The author's remarks on Mr.Darwin's theories of Geographical Distribution are given at page 255: they are written in a characteristically generous spirit.) The subject, treated as you have treated it, is really magnificent.

Good Heaven, what labour it must have cost you! And what a grand prospect there is for the future.

I need not say how much pleased I am at your notice of my work; for you know that I regard your opinion more than that of all others.

Such papers are the real engine to compel people to reflect on modification of species; any one with an enquiring mind could hardly fail to wish to consider the whole subject after reading your paper.

By Jove! you will be driven, nolens volens, to a cooled globe.