I never saw before the subject in any department of nature worked out so carefully. What labour it must have cost you! You spoke in one letter of advancing years; but I am very sure that no one would have suspected that you felt this. I have been interested with every part; though I am so unfortunate as to differ from most of my contemporaries in thinking that the vast continental extensions (160/2. See Letters 47, 48.) of Forbes, Heer, and others are not only advanced without sufficient evidence, but are opposed to much weighty evidence. You refer to my work in the kindest and most generous spirit. I am fully satisfied at the length in belief to which you go, and not at all surprised at the prudent reservations which you make. I remember well how many years it cost me to go round from old beliefs. It is encouraging to me to observe that everyone who has gone an inch with me, after a period goes a few more inches or even feet. But the great point, as it seems to me, is to give up the immutability of specific forms; as long as they are thought immutable, there can be no real progress in "Epiontology." (160/3. See De Candolle, loc. cit., page 67: he defines "Epiontologie" as the study of the distribution and succession of organised beings from their origin up to the present time. At present Epiontology is divided into geography and palaeontology, "mais cette division trop inegale et a limites bien vagues disparaitra probablement.") It matters very little to any one except myself, whether I am a little more or less wrong on this or that point; in fact, I am sure to be proved wrong in many points. But the subject will have, I am convinced, a grand future. Considering that birds are the most isolated group in the animal kingdom, what a splendid case is this Solenhofen bird-creature with its long tail and fingers to its wings! I have lately been daily and hourly using and quoting your "Geographical Botany" in my book on "Variation under Domestication."

LETTER 161. TO HORACE DOBELL. Down, February 16th [1863].

Absence from home and consequent idleness are the causes that I have not sooner thanked you for your very kind present of your Lectures. (161/1.

"On the Germs and Vestiges of Disease," (London) 1861.) Your reasoning seems quite satisfactory (though the subject is rather beyond my limit of thought and knowledge) on the V.M.F. not being "a given quant.i.ty."

(161/2. "It has been too common to consider the force exhibited in the operations of life (the V.M.F.) as a given quant.i.ty, to which no accessions can be made, but which is apportioned to each living being in quant.i.ty sufficient for its necessities, according to some hidden law"



(op. cit., page 41.) And I can see that the conditions of life must play a most important part in allowing this quant.i.ty to increase, as in the budding of a tree, etc. How far these conditions act on "the forms of organic life" (page 46) I do not see clearly. In fact, no part of my subject has so completely puzzled me as to determine what effect to attribute to (what I vaguely call) the direct action of the conditions of life. I shall before long come to this subject, and must endeavour to come to some conclusion when I have got the ma.s.s of collected facts in some sort of order in my mind. My present impression is that I have underrated this action in the "Origin." I have no doubt when I go through your volume I shall find other points of interest and value to me. I have already stumbled on one case (about which I want to consult Mr. Paget)--namely, on the re-growth of supernumerary digits. (161/3.

See Letters 178, 270.) You refer to "White on Regeneration, etc., 1785."

I have been to the libraries of the Royal and the Linnean Societies, and to the British Museum, where the librarians got out your volume and made a special hunt, and could discover no trace of such a book. Will you grant me the favour of giving me any clue, where I could see the book?

Have you it? if so, and the case is given briefly, would you have the great kindness to copy it? I much want to know all particulars. One case has been given me, but with hardly minute enough details, of a supernumerary little finger which has already been twice cut off, and now the operation will soon have to be done for the third time. I am extremely much obliged for the genealogical table; the fact of the two cousins not, as far as yet appears, transmitting the peculiarity is extraordinary, and must be given by me.

LETTER 162. TO C. LYELL. [February 17th, 1863.]

The same post that brought the enclosed brought Dana"s pamphlet on the same subject. (162/1. The pamphlet referred to was published in "Silliman"s Journal," Volume XXV., 1863, pages 65 and 71, also in the "Annals and Magazine of Natural History," Volume XI., pages 207-14, 1863: "On the Higher Subdivisions in the Cla.s.sification of Mammals." In this paper Dana maintains the view that "Man"s t.i.tle to a position by himself, separate from the other mammals in cla.s.sification, appears to be fixed on structural as well as physical grounds" (page 210). His description is as follows:--

I. ARCHONTIA (vel DIPODA) Man (alone).

II. MEGASTHENA. III. MICROSTHENA.

Quadrumana. Cheiroptera.

Carnivora. Insectivora.

Herbivora. Rodentia.

Mutilata. Bruta (Edentata).

IV. OOTICOIDEA.

Marsupialia.

Monotremata.)

The whole seems to me utterly wild. If there had not been the foregone wish to separate men, I can never believe that Dana or any one would have relied on so small a distinction as grown man not using fore-limbs for locomotion, seeing that monkeys use their limbs in all other respects for the same purpose as man. To carry on a.n.a.logous principles (for they are not identical, in crustacea the cephalic limbs are brought close to mouth) from crustacea to the cla.s.sification of mammals seems to me madness. Who would dream of making a fundamental distinction in birds, from fore-limbs not being used at all in [some] birds, or used as fins in the penguin, and for flight in other birds?

I get on slowly with your grand work, for I am overwhelmed with odds and ends and letters.

LETTER 163. TO J.D. HOOKER.

(163/1. The following extract refers to Owen"s paper in the "Linn. Soc.

Journal," June, 1857, in which the cla.s.sification of the Mammalia by cerebral characters was proposed. In spite of the fact that men and apes are placed in distinct Sub-Cla.s.ses, Owen speaks (in the foot-note of which Huxley made such telling effect) of the determination of the difference between h.o.m.o and Pithecus as the anatomist"s difficulty. (See Letter 119.))

July 5th, 1857.

What a capital number of the "Linnean Journal!" Owen"s is a grand paper; but I cannot swallow Man making a division as distinct from a chimpanzee as an Ornithorhynchus from a horse; I wonder what a chimpanzee would say to this? (163/2. According to Owen the sub-cla.s.s Archencephala contains only the genus h.o.m.o: the Gyrencephala contains both chimpanzee and horse, the Lyencephala contains Ornithorhynchus.)

LETTER 164. TO T.H. HUXLEY. Down [February?] 26th, 1863.

I have just finished with very great interest "Man"s Place." (164/1.

"Evidence as to Man"s Place in Nature," 1863 (preface dated January 1863).) I never fail to admire the clearness and condensed vigour of your style, as one calls it, but really of your thought. I have no criticisms; nor is it likely that I could have. But I think you could have added some interesting matter on the character or disposition of the young ourangs which have been kept in France and England. I should have thought you might have enlarged a little on the later embryological changes in man and on his rudimentary structure, tail as compared with tail of higher monkeys, intermaxillary bone, false ribs, and I daresay other points, such as muscles of ears, etc., etc. I was very much struck with admiration at the opening pages of Part II. (and oh! what a delicious sneer, as good as a dessert, at page 106) (164/2. Huxley, op.

cit., page 106. After saying that "there is but one hypothesis regarding the origin of species of animals in general which has any scientific existence--that propounded by Mr. Darwin," and after a few words on Lamarck, he goes on: "And though I have heard of the announcement of a formula touching "the ordained continuous becoming of organic forms," it is obvious that it is the first duty of a hypothesis to be intelligible, and that a qua-qua-versal proposition of this kind, which may be read backwards or forwards, or sideways, with exactly the same amount of significance, does not really exist, though it may seem to do so." The "formula" in question is Owen"s.): but my admiration is unbounded at pages 109 to 112. I declare I never in my life read anything grander.

Bacon himself could not have charged a few paragraphs with more condensed and cutting sense than you have done. It is truly grand. I regret extremely that you could not, or did not, end your book (not that I mean to say a word against the Geological History) with these pages.

With a book, as with a fine day, one likes it to end with a glorious sunset. I congratulate you on its publication; but do not be disappointed if it does not sell largely: parts are highly scientific, and I have often remarked that the best books frequently do not get soon appreciated: certainly large sale is no proof of the highest merit. But I hope it may be widely distributed; and I am rejoiced to see in your note to Miss Rhadamanthus (164/3. This refers to Mr. Darwin"s daughter (now Mrs. Litchfield), whom Mr. Huxley used to laugh at for the severity of her criticisms.) that a second thousand is called for of the little book. What a letter that is of Owen"s in the "Athenaeum" (164/4. A letter by Owen in the "Athenaeum," February 21st, 1863, replying to strictures on his treatment of the brain question, which had appeared in Lyell"s "Antiquity of Man."); how cleverly he will utterly muddle and confound the public. Indeed he quite muddled me, till I read again your "concise statement" (164/5. This refers to a section (pages 113-18) in "Man"s Place in Nature," headed "A succinct History of the Controversy respecting the Cerebral Structure of Man and the Apes." Huxley follows the question from Owen"s attempt to cla.s.sify the mammalia by cerebral characters, published by the "Linn. Soc." in 1857, up to his revival of the subject at the Cambridge meeting of the British a.s.sociation in 1862.

It is a tremendous indictment of Owen, and seems to us to conclude not unfittingly with a citation from Huxley"s article in the "Medical Times," October 11th, 1862. Huxley here points out that special investigations have been made into the question at issue "during the last two years" by Allen Thomson, Rolleston, Marshall, Flower, Schroeder van der Kolk and Vrolik, and that "all these able and conscientious observers" have testified to the accuracy of his statements, "while not a single anatomist, great or small, has supported Professor Owen." He sums up the case once more, and concludes: "The question has thus become one of personal veracity. For myself I will accept no other issue than this, grave as it is, to the present controversy.") (which is capitally clear), and then I saw that my suspicion was true that he has entirely changed his ground to size of Brain. How candid he shows himself to have taken the slipped Brain! (164/6. Owen in the "Athenaeum," February 21st, 1863, admits that in the brain which he used in ill.u.s.tration of his statements "the cerebral hemispheres had glided forward and apart behind so as to expose a portion of the cerebellum.") I am intensely curious to see whether Lyell will answer. (164/7. Lyell"s answer was in the "Athenaeum" March 7th, 1863.) Lyell has been, I fear, rather rash to enter on a subject on which he of course knows nothing by himself. By heavens, Owen will shake himself, when he sees what an antagonist he has made for himself in you. With hearty admiration, Farewell.

I am fearfully disappointed at Lyell"s excessive caution (164/8. In the "Antiquity of Man": see "Life and Letters," III., page 8.) in expressing any judgment on Species or [on the] origin of Man.

LETTER 165. TO JOHN SCOTT. Down, March 6th, 1863.

I thank you for your criticisms on the "Origin," and which I have not time to discuss; but I cannot help doubting, from your expression of an "INNATE...selective principle," whether you fully comprehend what is meant by Natural Selection. Certainly when you speak of weaker (i.e.

less well adapted) forms crossing with the stronger, you take a widely different view from what I do on the struggle for existence; for such weaker forms could not exist except by the rarest chance. With respect to utility, reflect that 99/100ths part of the structure of each being is due to inheritance of formerly useful structures. Pray read what I have said on "correlation." Orchids ought to show us how ignorant we are of what is useful. No doubt hundreds of cases could be advanced of which no explanation could be offered; but I must stop. Your letter has interested me much. I am very far from strong, and have great fear that I must stop all work for a couple of months for entire rest, and leave home. It will be ruin to all my work.

LETTER 166. TO J.D. HOOKER. Down, April 23rd [1863].

The more I think of Falconer"s letter (166/1. Published in the "Athenaeum" April 4th, 1863, page 459. The writer a.s.serts that Lyell did not make it clear that certain material made use of in the "Antiquity of Man" was supplied by the original work of Mr. Prestwich and himself.

(See "Life and Letters," III., page 19.)) the more grieved I am; he and Prestwich (the latter at least must owe much to the "Principles") a.s.sume an absurdly unwarrantable position with respect to Lyell. It is too bad to treat an old hero in science thus. I can see from a note from Falconer (about a wonderful fossil Brazilian Mammal, well called Meso- or Typo-therium) that he expects no sympathy from me. He will end, I hope, by being sorry. Lyell lays himself open to a slap by saying that he would come to show his original observations, and then not distinctly doing so; he had better only have laid claim, on this one point of man, to verification and compilation.

Altogether, I much like Lyell"s letter. But all this squabbling will greatly sink scientific men. I have seen a sneer already in the "Times."

LETTER 167. TO H.W. BATES. At Rev. C. Langton, Hartfield, Tunbridge Wells, April 30th [1863].

You will have received before this the note which I addressed to Leicester, after finishing Volume I., and you will have received copies of my little review (167/1. "Nat. Hist. Review," 1863, page 219. A review of Bates" paper on Mimetic b.u.t.terflies.) of your paper...I have now finished Volume II., and my opinion remains the same--that you have written a truly admirable work (167/2. "The Naturalist on the Amazons,"

1863.), with capital original remarks, first-rate descriptions, and the whole in a style which could not be improved. My family are now reading the book, and admire it extremely; and, as my wife remarks, it has so strong an air of truthfulness. I had a letter from a person the other day, unknown to you, full of praise of the book. I do hope it may get extensively heard of and circulated; but to a certain extent this, I think, always depends on chance.

I suppose the clicking noise of surprise made by the Indian is that which the end of the tongue, applied to the palate of the mouth and suddenly withdrawn, makes?

I have not written since receiving your note of April 20th, in which you confided in me and told me your prospects. I heartily wish they were better, and especially more certain; but with your abilities and powers of writing it will be strange if you cannot add what little you require for your income. I am glad that you have got a retired and semi-rural situation. What a grand ending you give to your book, contrasting civilisation and wild life! I quite regret that I have finished it: every evening it was a real treat to me to have my half-hour in the grand Amazonian forest, and picture to myself your vivid descriptions.

There are heaps of facts of value to me in a natural history point of view. It was a great misfortune that you were prevented giving the discussion on species. But you will, I hope, be able to give your views and facts somewhere else.

LETTER 168. TO J.D. HOOKER. Down, May 15th [1863].

Your letter received this morning interested me more than even most of your letters, and that is saying a good deal. I must scribble a little on several points. About Lyell and species--you put the whole case, I do believe, when you say that he is "half-hearted and whole-headed."

(168/1. Darwin"s disappointment with the cautious point of view taken up by Lyell in the "Antiquity of Man" is ill.u.s.trated in the "Life and Letters," III., pages 11, 13. See also Letter 164, page 239.) I wrote to A. Gray that, when I saw such men as Lyell and he refuse to judge, it put me in despair, and that I sometimes thought I should prefer that Lyell had judged against modification of species rather than profess inability to decide; and I left him to apply this to himself. I am heartily rejoiced to hear that you intend to try to bring L. and F.

(168/2. Falconer claimed that Lyell had not "done justice to the part he took in resuscitating the cave question." See "Life and Letters," III., page 14.) together again; but had you not better wait till they are a little cooled? You will do Science a real good service. Falconer never forgave Lyell for taking the Purbeck bones from him and handing them over to Owen.

With respect to island floras, if I understand rightly, we differ almost solely how plants first got there. I suppose that at long intervals, from as far back as later Tertiary periods to the present time, plants occasionally arrived (in some cases, perhaps, aided by different currents from existing currents and by former islands), and that these old arrivals have survived little modified on the islands, but have become greatly modified or become extinct on the continent. If I understand, you believe that all islands were formerly united to continents, and then received all their plants and none since; and that on the islands they have undergone less extinction and modification than on the continent. The number of animal forms on islands, very closely allied to those on continents, with a few extremely distinct and anomalous, does not seem to me well to harmonise with your supposed view of all having formerly arrived or rather having been left together on the island.

LETTER 169. TO ASA GRAY. Down, May 31st [1863?].

I was very glad to receive your review (169/1. The review on De Candolle"s work on the Oaks (A. Gray"s "Scientific Papers," I., page 130).) of De Candolle a week ago. It seems to me excellent, and you speak out, I think, more plainly in favour of derivation of species than hitherto, though doubtfully about Natural Selection. Grant the first, I am easy about the second. Do you not consider such cases as all the orchids next thing to a demonstration against Heer"s view of species arising suddenly by monstrosities?--it is impossible to imagine so many co-adaptations being formed all by a chance blow. Of course creationists would cut the enigma.

LETTER 170. TO T.H. HUXLEY. June 27th [1863?]

What are you doing now? I have never yet got hold of the "Edinburgh Review," in which I hear you are well abused. By the way, I heard lately from Asa Gray that Wyman was delighted at "Man"s Place." (170/1.

"Evidence as to Man"s Place in Nature," by T.H. Huxley, 1863.) I wonder who it is who pitches weakly, but virulently into you, in the "Anthropological Review." How quiet Owen seems! I do at last begin to believe that he will ultimately fall in public estimation. What nonsense he wrote in the "Athenaeum" (170/2. "Athenaeum," March 28th, 1863. See "Life and Letters," III., page 17.) on Heterogeny! I saw in his Aye-Aye (170/3. See Owen in the "Trans. Zool. Soc." Volume V. The sentence referred to seems to be the following (page 95): "We know of no changes in progress in the Island of Madagascar, necessitating a special quest of wood-boring larvae by small quadrupeds of the Lemurine or Sciurine types of organisation.") paper (I think) that he sneers at the manner in which he supposes that we should account for the structure of its limbs; and asks how we know that certain insects had increased in the Madagascar forests. Would it not be a good rebuff to ask him how he knows there were trees at all on the leafless plains of La Plata for his Mylodons to tear down? But I must stop, for if I once begin about [him]

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