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I sincerely hope that you will be able to carry out your intention of writing on the "Birth, Life, and Death of Words." Anyhow, you have a capital title, and some think this the most difficult part of a book. Iremember years ago at the Cape of Good Hope, Sir J. Herschel saying to me, I wish some one would treat language as Lyell has treated geology. What a linguist you must be to translate the Koran! Having a vilely bad head for languages, I feel an awful respect for linguists.

I do not know whether my brother-in-law, Hensleigh Wedgwood's 'Etymological Dictionary' would be at all in your line; but he treats briefly on the genesis of words; and, as it seems to me, very ingeniously. You kindly say that you would communicate any facts which might occur to you, and I am sure that I should be most grateful. Of the multitude of letters which Ireceive, not one in a thousand is like yours in value.

With my cordial thanks, and apologies for this untidy letter written in haste, pray believe me, my dear Sir, Yours sincerely obliged, CH. DARWIN.

CHARLES DARWIN TO C. LYELL.

November 20th [1860].

...I have not had heart to read Phillips ('Life on the Earth.') yet, or a tremendous long hostile review by Professor Bowen in the 4to Mem. of the American Academy of Sciences. ("Remarks on the latest form of the Development Theory." By Francis Bowen, Professor of Natural Religion and Moral Philosophy, at Harvard University. 'American Academy of Arts and Sciences,' vol. viii.) (By the way, I hear Agassiz is going to thunder against me in the next part of the 'Contributions.') Thank you for telling me of the sale of the 'Origin,' of which I had not heard. There will be some time, I presume, a new edition, and I especially want your advice on one point, and you know I think you the wisest of men, and I shall be ABSOLUTELY GUIDED BY YOUR ADVICE. It has occurred to me, that it would PERHAPS be a good plan to put a set of notes (some twenty to forty or fifty) to the 'Origin,' which now has none, exclusively devoted to errors of my reviewers. It has occurred to me that where a reviewer has erred, a common reader might err. Secondly, it will show the reader that he must not trust implicitly to reviewers. Thirdly, when any special fact has been attacked, I should like to defend it. I would show no sort of anger. Ienclose a mere rough specimen, done without any care or accuracy--done from memory alone--to be torn up, just to show the sort of thing that has occurred to me. WILL YOU DO ME THE GREAT KINDNESS TO CONSIDER THIS WELL?

It seems to me it would have a good effect, and give some confidence to the reader. It would [be] a horrid bore going through all the reviews.

Yours affectionately, C. DARWIN.

[Here follow samples of foot-notes, the references to volume and page being left blank. It will be seen that in some cases he seems to have forgotten that he was writing foot-notes, and to have continued as if writing to Lyell:--*Dr. Bree asserts that I explain the structure of the cells of the Hive Bee by "the exploded doctrine of pressure." But I do not say one word which directly or indirectly can be interpreted into any reference to pressure.

*The 'Edinburgh' Reviewer quotes my work as saying that the "dorsal vertebrae of pigeons vary in number, and disputes the fact." I nowhere even allude to the dorsal vertebrae, only to the sacral and caudal vertebrae.

*The 'Edinburgh' Reviewer throws a doubt on these organs being the Branchiae of Cirripedes. But Professor Owen in 1854 admits, without hesitation, that they are Branchiae, as did John Hunter long ago.

*The confounded Wealden Calculation to be struck out, and a note to be inserted to the effect that I am convinced of its inaccuracy from a review in the "Saturday Review", and from Phillips, as I see in his Table of Contents that he alludes to it.

*Mr. Hopkins ('Fraser') states--I am quoting only from vague memory--that, "I argue in favour of my views from the extreme imperfection of the Geological Record," and says this is the first time in the history of Science he has ever heard of ignorance being adduced as an argument. But Irepeatedly admit, in the most emphatic language which I can use, that the imperfect evidence which Geology offers in regard to transitorial forms is most strongly opposed to my views. Surely there is a wide difference in fully admitting an objection, and then in endeavouring to show that it is not so strong as it at first appears, and in Mr. Hopkins's assertion that Ifound my argument on the Objection.

*I would also put a note to "Natural Selection," and show how variously it has been misunderstood.

*A writer in the 'Edinburgh Philosophical Journal' denies my statement that the Woodpecker of La Plata never frequents trees. I observed its habits during two years, but, what is more to the purpose, Azara, whose accuracy all admit, is more emphatic than I am in regard to its never frequenting trees. Mr. A. Murray denies that it ought to be called a woodpecker; it has two toes in front and two behind, pointed tail feathers, a long pointed tongue, and the same general form of body, the same manner of flight, colouring and voice. It was classed, until recently, in the same genus--Picus--with all other woodpeckers, but now has been ranked as a distinct genus amongst the Picidae. It differs from the typical Picus only in the beak, not being quite so strong, and in the upper mandible being slightly arched. I think these facts fully justify my statement that it is "in all essential parts of its organisation" a Woodpecker.]

CHARLES DARWIN TO T.H. HUXLEY.

Down, November 22 [1860].