pleased because I have been fighting its battles with Basil Hall, Stokes, and several others, having made up my mind, from the report in the "Athenaeum", that it must have been an excellent meeting. I have been much amused with an account I have received of the wars of Don Roderick (Murchison.) and Babbage. What a grievous pity it is that the latter should be so implacable...This is a most rigmarole letter, for after each sentence I take breath, and you will have need of it in reading it...
I wish with all my heart that my Geological book was out. I have every motive to work hard, and will, following your steps, work just that degree of hardness to keep well. I should like my volume to be out before your new edition of 'Principles' appears. Besides the Coral theory, the volcanic chapters will, I think, contain some new facts. I have lately been sadly tempted to be idle—that is, as far as pure geology is concerned—by the delightful number of new views which have been coming in thickly and steadily,—on the classification and affinities and instincts of animals—bearing on the question of species. Note-book after note-book has been filled with facts which begin to group themselves CLEARLY under sub-laws.