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there will be no end. I was disappointed in the part about species in Lyell. (170/4. Lyell's "Antiquity of Man." See "Life and Letters," III., page 11.) You and Hooker are the only two bold men. I have had a bad spring and summer, almost constantly very unwell; but I am crawling on in my book on "Variation under Domestication.")
LETTER 171. TO C. LYELL. Down, August 14th [1863].
Have you seen Bentham's remarks on species in his address to the Linnean Society? (171/1. Presidential address before the Linnean Society by G.
Bentham ("Journ. Proc. Linn. Soc." Volume VII., page xi., 1864).) they have pleased me more than anything I have read for some time. I have no news, for I have not seen a soul for months, and have had a bad spring and summer, but have managed to do a good deal of work. Emma is threatening me to take me to Malvern, and perhaps I shall be compelled, but it is a horrid waste of time; you must have enjoyed North Wales, I should think, it is to me a most glorious country...
If you have not read Bates' book (171/2. Henry Walter Bates, "The Naturalist on the River Amazons," 2 volumes, London, 1863. In a letter to Bates, April 18th, 1863, Darwin writes, "It is the best work of natural history travels ever published in England" ("Life and Letters,"
II., page 381.), I think it would interest you. He is second only to Humboldt in describing a tropical forest. (171/3. Quoted in "Life and Letters," II., page 381.). Talking of reading, I have never got the "Edinburgh" (171/4. The "Geological Evidence of the Antiquity of Man," by Sir Charles Lyell, and works by other authors reviewed in the "Edinburgh Review." Volume CXVIII., July 1863. The writer sums up his criticism as follows: "Glancing at the work of Sir Charles Lyell as a whole, it leaves the impression on our minds that we have been reading an ingenious academical thesis, rather than a work of demonstration by an original writer...There is no argument in it, and only a few facts which have not been stated elsewhere by Sir C. Lyell himself or by others" (loc. cit., page 294).), in which, I suppose, you are cut up.
LETTER 172. TO H. FALCONER. December 26th [1863].
Thank you for telling me about the Pliocene mammal, which is very remarkable; but has not Owen stated that the Pliocene badger is identical with the recent? Such a case does indeed well show the stupendous duration of the same form. I have not heard of Suess'
pamphlet (172/1. Probably Suess's paper "Ueber die Verschiedenheit und die Aufeinanderfolge der tertiaren Land-faunen in der Niederung von Wien." "Sitz.-Ber. Wien Akad." XLVII., page 306, 1863.), and should much like to learn the t.i.tle, if it can be procured; but I am on different subjects just at present. I should rather like to see it rendered highly probable that the process of formation of a new species was short compared to its duration--that is, if the process was allowed to be slow and long; the idea is new to me. Heer's view that new species are suddenly formed like monsters, I feel a conviction from many reasons is false.
CHAPTER 1.IV.--EVOLUTION, 1864-1869.
LETTER 173. TO A.R. WALLACE. Down, January 1st, 1864.
I am still unable to write otherwise than by dictation. In a letter received two or three weeks ago from Asa Gray he writes: "I read lately with gusto Wallace's expose of the Dublin man on Bees' cells, etc."
(173/1. "Remarks on the Rev. S. Haughton's paper on the Bee's Cell and on the Origin of Species" ("Ann. and Mag. Nat. Hist." XII., 1863, page 303). Prof. Haughton's paper was read before the Natural History Society of Dublin, November 21st, 1862, and reprinted in the "Ann. and Mag.
Nat. Hist." XI., 1863, page 415. See Letters 73, 74, 75.) Now, though I cannot read at present, I much want to know where this is published, that I may procure a copy. Further on, Asa Gray says (after speaking of Aga.s.siz's paper on Glaciers in the "Atlantic Magazine" and his recent book ent.i.tled "Method of Study"): "Pray set Wallace upon these articles." So Asa Gray seems to think much of your powers of reviewing, and I mention this as it a.s.suredly is laudari a laudato. I hope you are hard at work, and if you are inclined to tell me, I should much like to know what you are doing. It will be many months, I fear, before I shall do anything.
LETTER 174. TO J.L.A. DE QUATREf.a.gES. Down, March 27th [1864?].
I had heard that your work was to be translated, and I heard it with pleasure; but I can take no share of credit, for I am not an active, only an honorary member of the Society. Since writing I have finished with extreme interest to the end your admirable work on metamorphosis.
(174/1. Probably "Metamorphoses of Man and the Lower Animals."
Translated by H. Lawson, 1864.) How well you are acquainted with the works of English naturalists, and how generously you bestow honour on them! Mr. Lubbock is my neighbour, and I have known him since he was a little boy; he is in every way a thoroughly good man; as is my friend Huxley. It gave me real pleasure to see you notice their works as you have done.
LETTER 175. TO T.H. HUXLEY. Down, April 11th [1864].
I am very much obliged for your present of your "Comp. Anatomy." (175/1.
"Lectures on the Elements of Comparative Anatomy," 1864.) When strong enough I am sure I shall read it with greatest interest. I could not resist the last chapter, of which I have read a part, and have been much interested about the "inspired idiot." (175/2. In reference to Oken (op. cit., page 282) Huxley says: "I must confess I never read his works without thinking of the epithet of 'inspired idiot' applied to our own Goldsmith.") If Owen wrote the article "Oken" (175/3. The article on Oken in the eighth edition of the "Encyclopaedia Britannica" is signed "R.O.": Huxley wrote to Darwin (April 18th, 1864), "There is not the smallest question that Owen wrote both the article 'Oken' and the 'Archetype' Book" (Huxley's "Life," I., page 250). Mr. Huxley's statements amount to this: (1) Prof. Owen accuses Goethe of having in 1820 appropriated Oken's theory of the skull, and of having given an apocryphal account of how the idea occurred to himself in 1790. (2) in the same article, page 502, Owen stated it to be questionable whether the discoverer of the true theory of the segmental const.i.tution of the skull (i.e. himself) was excited to his labours, or "in any way influenced by the a priori guesses of Oken." On this Huxley writes, page 288: "But if he himself had not been in any way influenced by Oken, and if the 'Programm' [of Oken] is a mere ma.s.s of 'a priori guesses,' how comes it that only three years before Mr. Owen could write thus? 'Oken, ce genie profond et penetrant, fut le premier qui entrevit la verite, guide par l'heureuse idee de l'arrangement des os craniens en segments, comme ceux du rachis, appeles vertebres...'" Later on Owen wrote: "Cela servira pour exemple d'une examen scrupuleux des faits, d'une appreciation philosophique de leurs relations et a.n.a.logies, etc." (From "Principes d'Osteologie comparee, ou Recherches sur l'Archetype," etc., pages 155, 1855). (3) Finally Huxley says, page 289, plainly: "The fact is that, so far from not having been 'in any way influenced' by Oken, Prof. Owen's own contributions to this question are the merest Okenism, remanie.") and the French work on the Archetype (points you do not put quite clearly), he never did a baser act...You are so good a Christian that you will hardly understand how I chuckle over this bit of baseness.
I hope you keep well and hearty; I honour your wisdom at giving up at present Society for Science. But, on the other hand, I feel it in myself possible to get to care too much for Natural Science and too little for other things. I am getting better, I almost dare to hope permanently; for my sickness is decidedly less--for twenty-seven days consecutively I was sick many times daily, and lately I was five days free. I long to do a little work again. The magnificent (by far the most magnificent, and too magnificent) compliment which you paid me at the end of your "Origin of Species" (175/4. A t.i.tle applied to the "Lectures to Working Men,"
that "green little book" referred to in Letter 156. Speaking of Mr.
Darwin's work he says (page 156): "I believe that if you strip it of its theoretical part, it still remains one of the greatest encyclopaedias of biological doctrine that any one man ever brought forth; and I believe that, if you take it as the embodiment of an hypothesis, it is destined to be the guide of biological and psychological speculation for the next three or four generations.') I have met with reprinted from you two or three times lately.
LETTER 175A. TO ERASMUS DARWIN. Down, June 30th, 1864.
(175A.1. The preceding letter contains a reference to the prolonged period of ill-health which Darwin suffered in 1863 and 1864, and in this connection the present letter is of interest.
The Copley Medal was given to him in 1864.)
I had not heard a word about the Copley Medal. Please give Falconer my cordial thanks for his interest about me. I enclose the list of everything published by me except a few unimportant papers. Ask Falconer not to mention that I sent the list, as some one might say I had been canva.s.sing, which is an odious imputation. The origin of the Voyage in the "Beagle" was that Fitz-Roy generously offered to give up half his cabin to any one who would volunteer to go as naturalist. Beaufort wrote to Cambridge, and I volunteered. Fitz-Roy never persuaded me to give up the voyage on account of sickness, nor did I ever think of doing so, though I suffered considerably; but I do not believe it was the cause of my subsequent ill-health, which has lost me so many years, and therefore I should not think the sea-sickness was worth notice. It would save you trouble to forward this with my kindest remembrances to Falconer.
(176/1. The following letter was the beginning of a correspondence with Mr. B.D. Walsh, whom C.V. Riley describes as "one of the ablest and most thorough entomologists of our time.")
LETTER 176. B.D. WALSH TO CHARLES DARWIN. Rock Island, Illinois, U.S., April 29th, 1864.
(176/2. The words in square brackets are restorations of parts torn off the original letter.)
More than thirty years ago I was introduced to you at your rooms in Christ's College by A.W. Grisebach, and had the pleasure of seeing your n.o.ble collection of British Coleoptera. Some years afterwards I became a Fellow of Trinity, and finally gave up my Fellowship rather than go into Orders, and came to this country. For the last five or six years I have been paying considerable attention to the insect fauna of the U.S., some of the fruits of which you will see in the enclosed pamphlets. Allow me to take this opportunity of thanking you for the publication of your "Origin of Species," which I read three years ago by the advice of a botanical friend, though I had a strong prejudice against what I supposed then to be your views. The first perusal staggered me, the second convinced me, and the oftener I read it the more convinced I am of the general soundness of your theory.
As you have called upon naturalists that believe in your views to give public testimony of their convictions, I have directed your attention on the outside of one or two of my pamphlets to the particular pa.s.sages in which [I] have done so. You will please accept these papers from me in token of my respect and admiration.
As you may see from the latest of these papers, I [have] recently made the remarkable discover that there [are the] so-called "three s.e.xes" not only in social insects but [also in the] strictly solitary genus Cynips.
When is your great work to make its appearance? [I should be] much pleased to receive a few lines from you.
LETTER 177. TO B.D. WALSH. Down, October 21st [1864].
Ill-health has prevented me from sooner thanking you for your very kind letter and several memoirs.
I have been very much pleased to see how boldly and clearly you speak out on the modification of species. I thank you for giving me the pages of reference; but they were superfluous, for I found so many original and profound remarks that I have carefully looked through all the papers. I hope that your discovery about the Cynips (177/1. "On Dimorphism in the hymenopterous genus Cynips," "Proc. Entom. Soc.
Philadelphia," March, 1864. Mr. Walsh's view is that Cynips quercus aciculata is a dimorphous form of Cynips q. spongifica, and occurs only as a female. Cynips q. spongifica also produces spongifica females and males from other galls at a different time of year.) will hold good, for it is a remarkable one, and I for one have often marvelled what could be the meaning of the case. I will lend your paper to my neighbour Mr.
Lubbock, who I know is much interested in the subject. Incidentally I shall profit by your remarks on galls. If you have time I think a rather hopeless experiment would be worth trying; anyhow, I should have tried it had my health permitted. It is to insert a minute grain of some organic substance, together with the poison from bees, sand-wasps, ichneumons, adders, and even alkaloid poisons into the tissues of fitting plants for the chance of monstrous growths being produced.
(177/2. See "Life and Letters," III., page 346, for an account of experiments attempted in this direction by Mr. Darwin in 1880. On the effects of injuring plant-tissues, see Ma.s.sart, "La Cicatrisation, etc."
in Tome LVII. of the "Memoires Couronnes" of the Brussels Academy.)
My health has long been poor, and I have lately suffered from a long illness which has interrupted all work, but I am now recommencing a volume in connection with the "Origin."
P.S.--If you write again I should very much like to hear what your life in your new country is.
What can be the meaning or use of the great diversity of the external generative organs in your cases, in Bombus, and the phytophagous coleoptera?
What can there be in the act of copulation necessitating such complex and diversified apparatus?
LETTER 178. TO W.H. FLOWER. Down, July 11th, 1864.
I am truly obliged for all the trouble which you have taken for me, and for your very interesting note. I had only vaguely heard it said that frogs had a rudiment of a sixth toe; had I known that such great men had looked to the point I should not have dreamed of looking myself. The rudiment sent to you was from a full-grown frog; so that if these bones are the two cuneiforms they must, I should think, be considered to be in a rudimentary condition. This afternoon my gardener brought in some tadpoles with the hind-legs alone developed, and I looked at the rudiment. At this age it certainly looks extremely like a digit, for the extremity is enlarged like that of the adjoining real toe, and the transverse articulation seems similar. I am sorry that the case is doubtful, for if these batrachians had six toes, I certainly think it would have thrown light on the truly extraordinary strength of inheritance in polydactylism in so many animals, and especially on the power of regeneration in amputated supernumerary digits. (178/1. In the first edition of "Variation under Domestication" the view here given is upheld, but in the second edition (Volume I., page 459) Darwin withdrew his belief that the development of supernumerary digits in man is "a case of reversion to a lowly-organised progenitor provided with more than five digits." See Letters 161, 270.)
LETTER 179. TO J.D. HOOKER. Down [October 22nd, 1864].
The Lyells have been here, and were extremely pleasant, but I saw them only occasionally for ten minutes, and when they went I had an awful day [of illness]; but I am now slowly getting up to my former standard. I shall soon be confined to a living grave, and a fearful evil it is.
I suppose you have read Tyndall. (179/1. Probably Tyndall "On the Conformation of the Alps" ("Phil. Mag." 1864, page 255).) I have now come round again to Ramsay's view, (179/2. "Phil. Mag." 1864, page 293.) for the third or fourth time; but Lyell says when I read his discussion in the "Elements," I shall recant for the fifth time. (179/3. This refers to a discussion on the "Connection of the predominance of Lakes with Glacial Action" ("Elements," Edition VI., pages 168-74). Lyell adheres to the views expressed in the "Antiquity of Man" (1863) against Ramsay's theory of the origin of lake basins by ice action.) What a capital writer Tyndall is!
In your last note you ask what the Bardfield oxlip is. It is P. elatior of Jacq., which certainly looks, when growing, to common eyes different from the common oxlip. I will fight you to the death that as primrose and cowslip are different in appearance (not to mention odour, habitat and range), and as I can now show that, when they cross, the intermediate offspring are sterile like ordinary hybrids, they must be called as good species as a man and a gorilla.