Seventh:--

... Mr. John Murray was strongly advised against the

publication of his views in derogation of Darwin's

long-accepted theory of the coral islands, and was actually

induced to delay it for two years. Yet the late Sir Wyville

Thomson, who was at the head of the naturalists of the

"Challenger" expedition, was himself convinced by Mr.

Murray's reasoning (p. 307).

Clearly, then, it could not be Mr. Murray's official chief who gave

him this advice. Who was it? And what was the exact nature of the

advice given? Until we have some precise information on this head, I

shall take leave to doubt whether this statement is more accurate than

those which I have previously cited.

Whether such advice was wise or foolish, just or immoral, depends

entirely on the motive of the person who gave it. If he meant to

suggest to Mr. Murray that it might be wise for a young and

comparatively unknown man to walk warily, when he proposed to attack a

generalisation based on many years' labour of one undoubtedly

competent person, and fortified by the independent results of the many

years' labour of another undoubtedly competent person; and even, if

necessary, to take two whole years in fortifying his position, I think

that such advice would have been sagacious and kind. I suppose that

there are few working men of science who have not kept their ideas to

themselves, while gathering and sifting evidence, for a much longer

period than two years.

If, on the other hand, Mr. Murray was advised to delay the publication

of his criticisms, simply to save Mr. Darwin's credit and to preserve

some reputation for infallibility, which no one ever heard of, then I

have no hesitation in declaring that his adviser was profoundly

dishonest, as well as extremely foolish; and that, if he is a man of

science, he has disgraced his calling.

But, after all, this supposed scientific Achitophel has not yet made

good the primary fact of his existence. Until the needful proof is

forthcoming, I think I am justified in suspending my judgment as to

whether he is much more than an anti-scientific myth. I leave it to

the Duke of Argyll to judge of the extent of the obligation under

which, for his own sake, he may lie to produce the evidence on which

his aspersions of the honour of scientific men are based. I cannot

pretend that we are seriously disturbed by charges which every one who

is acquainted with the truth of the matter knows to be ridiculous; but

mud has a habit of staining if it lies too long, and it is as well to

have it brushed off as soon as may be.

So much for the "Great Lesson." It is followed by a "Little Lesson,"

apparently directed against my infallibility--a doctrine about which I

should be inclined to paraphrase Wilkes's remark to George the Third,

when he declared that he, at any rate, was not a Wilkite. But I really

should be glad to think that there are people who need the warning,

because then it will be obvious that this raking up of an old story

cannot have been suggested by a mere fanatical desire to damage men

of science. I can but rejoice, then, that these misguided enthusiasts,

whose faith, in me has so far exceeded the bounds of reason, should be

set right. But that "want of finish" in the matter of accuracy which

so terribly mars the effect of the "Great Lesson," is no less

conspicuous in the case of the "Little Lesson," and, instead of

setting my too fervent disciples right, it will set them wrong.

The Duke of Argyll, in telling the story of _Bathybius_, says that my

mind was "caught by this new and grand generalisation of the physical

basis of life." I never have been guilty of a reclamation about

anything to my credit, and I do not mean to be; but if there is any

blame going, I do not choose to be relegated to a subordinate place

when I have a claim to the first. The responsibility for the first

description and the naming of _Bathybius_ is mine and mine only. The

paper on "Some Organisms living at great Depths in the Atlantic

Ocean," in which I drew attention to this substance, is to be found by

the curious in the eighth volume of the "Quarterly Journal of

Microscopical Science," and was published in the year 1868. Whatever

errors are contained in that paper are my own peculiar property; but

neither at the meeting of the British Association in 1868, nor

anywhere else, have I gone beyond what is there stated; except in so

far that, at a long-subsequent meeting of the Association, being

importuned about the subject, I ventured to express, somewhat

emphatically, the wish that the thing was at the bottom of the sea.

What is meant by my being caught by a generalisation about the

physical basis of life I do not know; still less can I understand the

assertion that _Bathybius_ was accepted because of its supposed

harmony with Darwin's speculations. That which interested me in the

matter was the apparent analogy of _Bathybius_ with other well-known

forms of lower life, such as the plasmodia of the Myxomycetes and the

Rhizopods. Speculative hopes or fears had nothing to do with the

matter; and if _Bathybius_ were brought up alive from the bottom of

the Atlantic to-morrow, the fact would not have the slightest bearing,

that I can discern, upon Mr. Darwin's speculations, or upon any of the

disputed problems of biology. It would merely be one elementary

organism the more added to the thousands already known.

Up to this moment I was not aware of the universal favour with which

_Bathybius_ was received.[32] Those simulators of an "ignorant mob"

who, according to the Duke of Argyll, welcomed Darwin's theory of

coral-reefs, made no demonstration in my favour, unless his Grace

includes Sir Wyville Thomson, Dr. Carpenter, Dr. Bessels, and

Professor Haeckel under that head. On the contrary, a sagacious friend

of mine, than whom there was no more competent judge, the late Mr.

George Busk, was not to be converted; while, long before the

"Challenger" work, Ehrenberg wrote to me very sceptically; and I fully

expected that that eminent man would favour me with pretty sharp

criticism. Unfortunately, he died shortly afterwards, and nothing from

him, that I know of, appeared. When Sir Wyville Thomson wrote to me a

brief account of the results obtained on board the "Challenger" I sent

this statement to "Nature," in which journal it appeared the following

week, without any further note or comment than was needful to explain

the circumstances. In thus allowing judgment to go by default, I am

afraid I showed a reckless and ungracious disregard for the feelings

of the believers in my infallibility. No doubt I ought to have hedged

and fenced and attenuated the effect of Sir Wyville Thomson's brief

note in every possible way. Or perhaps I ought to have suppressed the

note altogether, on the ground that it was a mere _ex parte_

statement. My excuse is that, notwithstanding a large and abiding

faith in human folly, I did not know then, any more than I know now,

that there was anybody foolish enough to be unaware that the only

people scientific or other, who never make mistakes are those who do

nothing; or that anybody, for whose opinion I cared, would not rather

see me commit ten blunders than try to hide one.

Pending the production of further evidence, I hold that the existence

of people who believe in the infallibility of men of science is as

purely mythical as that of the evil counsellor who advised the

withholding of the truth lest it should conflict with that belief.

I venture to think, then, that the Duke of Argyll might have spared

his "Little Lesson" as well as his "Great Lesson" with advantage. The

paternal authority who whips the child for sins he has not committed

does not strengthen his moral influence--rather excites contempt and

repugnance. And if, as would seem from this and former monitory

allocutions which have been addressed to us, the Duke aspires to the

position of censor, or spiritual director, in relation to the men who

are doing the work of physical science, he really must get up his

facts better. There will be an end to all chance of our kissing the

rod if his Grace goes wrong a third time. He must not say again that

"no serious reply has been attempted" to a view which was discussed

and repudiated, two years before, by one of the highest extant

authorities on the subject; he must not say that Darwin accepted that

which it can be proved he did not accept; he must not say that a

doctrine has dropped into the abyss when it is quite obviously alive

and kicking at the surface; he must not assimilate a man like

Professor Dana to the components of an "ignorant mob"; he must not say

that things are beginning to be known which are not known at all; he

must not say that "slow and sulky acquiescence" has been given to that

which cannot yet boast of general acquiescence of any kind; he must

not suggest that a view which has been publicly advocated by the

Director of the Geological Survey and no less publicly discussed by

many other authoritative writers has been intentionally and

systematically ignored; he must not ascribe ill motives for a course

of action which is the only proper one; and finally, if any one but

myself were interested, I should say that he had better not waste his

time in raking up the errors of those whose lives have been occupied,

not in talking about science, but in toiling, sometimes with success

and sometimes with failure, to get some real work done.

The most considerable difference I note among men is not in their

readiness to fall into error, but in their readiness to acknowledge

these inevitable lapses. The Duke of Argyll has now a splendid

opportunity for proving to the world in which of these categories it

is hereafter to rank him.

* * * * *

DEAR PROFESSOR HUXLEY,--A short time before Mr. Darwin's death, I had

a conversation with, him concerning the observations which had been

made by Mr. Murray upon coral-reefs, and the speculations which had

been founded upon those observations. I found that Mr. Darwin had very

carefully considered the whole subject, and that while, on the one

hand, he did not regard the actual facts recorded by Mr. Murray as

absolutely inconsistent with his own theory of subsidence, on the

other hand, he did not believe that they necessitated or supported the

hypothesis advanced by Mr. Murray. Mr. Darwin's attitude, as I

understood it, towards Mr. Murray's objections to the theory of

subsidence was exactly similar to that maintained by him with respect

to Professor Semper's criticism, which was of a very similar

character; and his position with regard to the whole question was

almost identical with that subsequently so clearly defined by

Professor Dana in his well-known articles published in the "American

Journal of Science" for 1885.

It is difficult to imagine how any one, acquainted with the scientific

literature of the last seven years, could possibly suggest that Mr.

Murray's memoir published in 1880 had failed to secure a due amount of

attention. Mr. Murray, by his position in the "Challenger" office,

occupied an exceptionally favourable position for making his views

widely known; and he had, moreover, the singular good fortune to

secure from the first the advocacy of so able and brilliant a writer

as Professor Archibald Geikie, who in a special discourse and in

several treatises on geology and physical geology very strongly

supported the new theory. It would be an endless task to attempt to

give references to the various scientific journals which have

discussed the subject, but I may add that every treatise on geology

which has been published, since Mr. Murray's views were made known,

has dealt with his observations at considerable length. This is true

of Professor A.H. Green's "Physical Geology," published in 1882; of

Professor Prestwich's "Geology, Chemical and Physical"; and of

Professor James Geikie's "Outlines of Geology," published in 1886.

Similar prominence is given to the subject in De Lapparent's "Traité

de Géologie," published in 1885, and in Credner's "Elemente der

Geologie," which has appeared during the present year. If this be a

"conspiracy of silence," where, alas! can the geological speculator

seek for fame?--Yours very truly, JOHN W. JUDD.

_October_ 10, 1887.

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