THE HISTORY OF
HESPEROPITHECUS HAROLDCOOKII HOMINOIDEA Jerry Bergman (Investigator 41, 1995 March) ABSTRACT
The discovery and controversy surrounding Hesperopithecus haroldcookii
and its importance in proving evolution is recounted. An extensive
review of the statements of its supporters reveals the role that
preconceptions played in interpreting the evidence. The account
provides an important lesson today for the need of neutral observers to
carefully evaluate the empirical evidence for new ideas, especially
those that are related to the field of origins.
Introduction
One of the most well-known examples of misidentification in the history
of physical anthropology is Nebraska Man, technically labeled Hesperopithecus haroldcookii.
This incident was of special importance because Henry Fairfield Osborn,
a prominent paleontologist and head of the American Museum of Natural
History, planned to use it as prime evidence of human evolution at the
Scopes trial. The events which surrounded the discovery and the
statements of many internationally prominent anthropologists and
evolutionists made about the find are instructive of the influence of
belief structures and preconceptions on evaluating empirical data. In
Cattell's words:
This discovery ... in
addition to being important scientifically, has a timely interest
because of the attacks that during the past few months have been
launched at the ground work of science through the zeal of opponents of
the fact of evolution of man, and has a dramatic or comic aspect in
that it comes from the home state of William Jennings Bryan (1922, p.
588).
The Evidence
Nebraska man was based on a single molar tooth discovered in early 1922
by Harold J. Cook. This 10.5 x 11mm tooth was no ordinary tooth, but as
Blinderman (1985, p. 47) states, "was the answer to American
anthropologists' prayers." Cook was an Agate, Nebraska consulting
geologist who had experienced some success in discovering fossils. Hesperopithecus
was found on the ranch of Harry Ashbrook, 20 miles south of Agate, on
Olcott Hill in a quarry near Snake Creek, a small town about 400 miles
west of Omaha, Nebraska (Gregory and Hellman, 1923a). The site
contained fossils of a fauna so Asiatic in its characters that it is
necessary to suppose that when these beds were laid down, or before
they were deposited, America was united to Asia, thus making it
possible for early precursors of man or ape to make their way from the
Old World to the New (Keith, 1925, pp. 474-475).
He no sooner discovered his soon to be famous tooth than he sent it to Harry Fairfield Osborn, the President of the American Museum of Natural History in New York. On February 25, 1922 Harold Cook wrote to Osborn the following about the tooth: I have had here, for
some little time, a molar tooth from the Upper, or Hipparion phase of
the Snake Creek Beds, that very closely approaches the human type....
In as much as ... you and [your colleagues] are in the best position of
anyone to accurately determine the relationship of this tooth ... I
will gladly send it on to you, should you care to examine and study it
(Osborn, 1922a, p. 463).
Osborn received the actual tooth himself on March 14, and with what
Gould (1991, p. 334) states was "his usual precision" he telegraphed
Cook to tell him that the "tooth just arrived safely. Looks very
promising. Will report immediately." Osborn concluded that the tooth
"looks one-hundred per cent anthropoid" and added that in consultation
with Dr. Mathews we con¬cluded that it is "the last right upper
molar tooth of some higher Primate" (Osborn, 1922a, p. 464). The tooth
was determined to be in a Pliocene deposit, and was evaluated to be
over a million years old (Hitching, 1982). After "careful studies"
Osborn named the genus and species. Hesperopithecus Haroldcookii which means western world ape-man
(literally ape of the land where the sun sets) with Harold Cook's name
as the species (Osborn, 1923a, p. 464). This naming system set the
pattern for other finds, the most well known example being
Austrolopithecus africanus "southern ape of Africa" (Reader, 1981).
Gregory and Hellman (1923a, p. 13) after extensive evaluation of the
tooth concluded that the evidence furnished, "fairly conclusive proof
of the Lower Pliocene age of the Hesperopithecus tooth. There is no reasonable doubt as to its age." And Grafton Elliot Smith (1929) stated of Osborn and his find:
The earliest and most
primitive member of the human family yet discovered ... one would
regard so momentous a conclusion with suspicion if it were not for the
fact that the American savants' authority in such matters is
unquestionable.
Although the crown was extensively "worn down by use nearly to the base
so that the cusps had entirely disappeared" the roots were broken, and
the tooth was "rolled and polished" and was "cracked and fissured,"
Osborn, using drawings and casts of other tooth findings, formally
concluded that "it was the second right molar of a primate similar to
apes and humans, yet distinct from any known species" (Blinderman,
1985, p. 47; Keith, 1925, p. 476). Examinations by other
paleontologists, including William Kane Gregory of the American Museum,
a leading authority on the evolution of dentition, and his colleague,
Milo Hellman, both concluded that the tooth differed from any known ape
molar, and far more closely resembled those of modern man (Gregory and
Hellman, 1923b, Keith, 1925, p. 475). It was judged to be very similar
to the primitive Java man teeth. Its evenly concave surface of wear was
"strikingly similar to the worn-down surface of one of the upper molar
teeth" of Java man (Gregory, 1927, p. 580).
Gregory (1927, p. 580) also concluded that since the Nebraska tooth "had a very wide root on the inner side, which was similar to the wide root on the inner side of the upper molars of Pithecanthropus and of many teeth of American Indians" that it was evidence of the missing link between men and their primate ancestors. While some scientists concluded that the upper molar resembled a man similar to that of an American Indian, others felt it was a Homo erectus more similar to Java Man. Disagreements involved all of the other missing links as well, and even the status of Pithecanthropus, now called Homo erectus, was then and is still today being debated (see Linton, 1925; Milner, 1990). Sir Grafton Elliot Smith, a renown University of London scholar who has published much on the evolution of the brain, wrote in June of 1922 that, "The tooth found in the [Miocene] beds of Nebraska is really that of a primate member of the human family" (Blinderman, 1985, p. 49; Bowden, 1977, p. 46). The tooth was judged by many of the leading scientists as clear evidence for a creature about half way between the apes and modern man, the perfect missing link needed to prove Darwin's theory: The anatomical, palaeontological, and other evidence already accumulated tends to show that man, Pithecanthropus, Hesperopithecus, and the various anthropoids form a natural superfamily group, which may now be named the Hominoidea, in contrast with the Cercopithecoidea, or Old World monkeys (Gregory and Hellman, 1923a, p. 140).
Osborn was exuberant over the find which he regarded as not only the
long awaited proof of evolution, but also evidence of the first
anthropoid ape in America. Wilder (1926, p. 157) concluded:
Judging from the tooth alone the animal seems to be about half way between Pithecanthropus and the man of the present day, or perhaps better between Pithecanthropus
and the Neandertal type, and is assumed to represent a very early
migrant from the Old World, passing over land bridges, which then quite
possibly existed. It thus revives again a hope, long since abandoned,
that the human stem may have had its beginning in the New World.
The tooth was brought
to light just in time to provide Osborn with evidence to use against
his long time nemesis, William Jennings Bryan, whom he had just written
to advise him to read Job 12:8 which states, "Speak to the Earth and it
shall teach thee." Osborn felt that the Earth "spoke to Bryan" by the
discovery of this tooth because this "irrefutable" evidence for
evolution was by a "humorous coincidence" discovered in Bryan's home
state of Nebraska (see for example Osborn, 1922a). Osborn soon wrote an
article and then a book with this title on this theme.
The Hesperopithecus was believed by many paleontologists to be the oldest then known humanoid fossil, found in a ten million year old Miocene fossil bed. Cro-Magnon, the many Neandertal fossils, and Java man were even then considered far too modern, and today are judged as simply different races of modern man (Shackley, 1980). Nebraska man also had a great patriotic significance because it was the first evidence, according to Osborn, after
seventy-five years of continuous search in all parts of our great
Western territory of a [higher] primate.
Evidence of this anthropoid ape-man was also proof that some primitive humans lived in America, and some speculated that it may even prove that mankind in North America predated European and African humans. We have all eagerly looked
forward to such a discovery (quoted in Blinderman, 1985, p. 48).
Having found evidence of primitive man in America, the next question
was to explain how he got here. Osborn hypothesized that Nebraska man
had migrated across the Bering Straits land bridge which he believed
existed 10 to 15 million years ago during the Miocene era. He also
concluded that Nebraska man must be as ancient as the prehistoric
animals unearthed nearby, a conclusion based upon the fact that the
tooth was found in the same strata as several primitive horses, old
world antelopes, hornless rhinos and other animals all dating from the
Miocene era.
Soon vivid drawings of the reconstructed body of Hesperopithecus haroldcookii appeared in popular press publications throughout-the world and even in some scientific journals. In the Illustrated London News
of June 24, 1922 was a picture of a stooping Negroid featured ape-man
and his wife spread over two pages complete with a vivid prehistoric
background of horses and camels. Under the picture painted by Amedee
Forestier the text said:
The poise of the head
should be noted, large muscles from the occiput [back of the head] to
the back and shoulders having to counteract the weight of the
prognathous [jaws extended forward] and heavy jaw—a simian [monkey-like] character (p. 943).
The level of confidence that Osborn had in the validity of his conclusion are vividly revealed in his own words: The world-wide interest aroused by the discovery in Nebraska of Hesperopithecus,
"the ape of the western world," is in widest of possible contrast to
the diminutive and insignificant appearance of the single grinding
tooth of the right side of the upper jaw, which speaks of the presence
of the higher or manlike apes in our western country at a time when the
ancient "Territory of Nebraska" was in close touch with the animal
civilization of Asia and of western Europe. This Hesperopithecus
tooth is like the "still small voice;" it is by no means easy to hear
its sound. Like the hieroglyphics of Egypt, it requires its Rosetta
Stone to give the key to interpretation. Our Rosetta Stone is [a]
comparison with all the similar grinding teeth known, collected from
all parts of the world, and described or figured in learned books and
illustrations. By these means this little tooth speaks volumes of
truth, — truth consistent with all we have known before, with all that
we have found elsewhere. The evidence is strongly supported by many
other and more complete fossil specimens that speak of a fresh tide of
migration from the Old World to the New perhaps a million years ago....
What shall we do with the Nebraska tooth? Shall we destroy it because
it jars our long preconceived notion that the family of manlike apes
never reached the western world, or shall we endeavor to interpret it,
to discover its real relationship to the apes of Asia and the more
remote Africa?... Certainly we shall not banish this bit of Truth
because it does not fit in with our preconceived notions and because at
present it constitutes infinitesimal but irrefutable evidence that the
man-apes wandered over from Asia into North America (Osborn, 1925b, pp.
800-80l).
Its importance was so enormous that it became known as the million-dollar tooth in 1925: ... because of an
accident which occurred while it was being X-rayed. The tooth, which
had been guarded like so much radium, was taken to a dental laboratory.
Professor Gregory handed it to a laboratory assistant and said: "Now be
mighty careful. That tooth is worth a million dollars. The laboratory
assistant began to tremble all over, the tooth slipped from his
fingers, fell to the tiled floor and was shattered. There was boundless
consternation for a time. The fragments were recovered and with the
help of some cement the tooth was reconstructed and X-rayed. A great
library of X-ray photographs of this and other teeth and studies of all
kinds went eagerly ahead. It was found that the tooth, its crown being
considerably worn, closely resembled a tooth of Pithecanthropus, the
Java ape-man (New York Times, Feb. 20, 1928, p. 8).
Bryan's response to the discovery was that the Hesperopithecus
tooth "is interesting not because it has any value or because it
disproves the Bible, but because it shows that Darwin's hypothesis can
paralyze the brain in an otherwise intelligent man" (Quoted in
Blinderman, 1985, p. 48). He also stated that Osborn's:
<>... latest "newly
discovered evidence" is a long lost witness captured in Nebraska. He
would probably have declared it "irrefutable" ... —but the fact that it
was found in Nebraska, my home State for a third of a century, greatly
multiplied its value. Some one searching for fossils in a sand hill
came upon a lonely tooth.... The body of the animal had disappeared,
and all the other pieces of "imperishable ivory" had perished; not even
a jaw bone survived to supply this Samson of the scientific world with
a weapon to use against the Philistines of today. But a tooth in his
hand is, in his opinion, an irresistible weapon.
The finder of this priceless tooth, conscious that it
could impose upon but a few, even among those who prefer speculation to
reason, wisely chose Professor Osborn. He hastily summoned a few
congenial spirits, nearly as credulous as himself, and they held a
postmortem examination on the extinct animal, which had at one time
been the proud possessor of this "infinitesimal" and "insignificant"
tooth. After due deliberation, they solemnly concluded and announced
that the tooth was the long looked-for and eagerly longed-for missing
link which the world awaited.>
<> > The Professor's logic leaks at every link, but is no
worse than that of his boon companions who, having rejected the
authority of the word of God, are like frightened men in the dark,
feeling around for something that they can lean upon. True science is
classified knowledge and is of incalculable use to man. Give science a
fact and it is invincible. But no one can guess more wildly than a
scientist, when he has no compass but his imagination, and no purpose
but to get away from God. Darwin uses the phrase "we may well suppose"
eight hundred times and wins for himself a high place among the
unconscious humorists by his efforts to explain things that are not
true. For instance, he assumed that man has a brain superior to woman's
brain, and tried to explain it on the theory that our ancestors
were brutes, and that the males, fighting for the females, increased
their brain power. He also assumed that our ancestors were hairy
animals, and tried to explain the disappearance of the hair on the
theory that the females selected their companions, and, because of a
deep-seated and universal preference, selected the least hairy and
thus, in the course of ages, bred the hair off (Bryan, 1925, p. 105,
106).
As Blinderman (p. 49) concluded, the creationists then saw the "spat of
recent hominid findings as a display of scientific quackery. They were
not willing to accept fossils like Nebraska man and Java man as
ancestral ape-men. They held that God created each creature [and that]
... there could be no intermediate forms."
Although many of the leading paleontologists supported the validity of the hominid conclusion, or at least the conclusion that it was an anthropoid, some disagreed. Sir Arthur Keith, after evaluating the tooth carefully, concluded that its wear and crown pattern would not be expected in a primate, and that this evidence strongly argued against its being one (Keith, 1925, p. 476). He also notes Schlosser concludes the tooth is from an extinct horse (Keith, 1925, p. 476).
Other anthropologists, such as Arthur Smith Woodward, curator of
geology at the British Museum, pointed out other problems with the
primate interpretation:
It [is] difficult for
one who has not seen the tooth to understand why Prof. Osborn even
refers it to a Primate; and the published figures are not very helpful.
The crown may be described as nearly triangular in shape, with bluntly
rounded angles, a slightly raised and partially crimped rim surrounding
a gently concave surface. The root is very massive, and at a
considerable distance below the crown it becomes bifid, the smaller
portion extended beneath one margin of the crown, the larger portion
beneath and inclined towards the opposite apex. On one side of the
root, between the bifurcation and the crown, there is an irregular
indentation, from which Prof. Osborn supposes a third root-fang has
been broken away. No stump of this third fang, however, is shown in the
drawing. In determining the tooth to be an upper molar, Prof. Osborn
regards the edge with the smaller portion of root as external, and the
tapering opposite end with the larger portion of root as internal. The
hypothetically restored piece of root thus becomes posterior. It is,
however, equally reasonable to interpret the so-called external border
as anterior and the tapering end as posterior. If, then, the indented
lateral portion of the root never bore another fang, the tooth becomes
a lower molar. If this interpretation be admitted, comparison should be
made not with any Primate tooth, but with the last lower molar in the
primitive bears. In general appearance and shape the crown is very
suggestive of that of the last molar in the lower jaw of some species
ascribed to Hyaenarctos and related genera…. The root of the last lower
molar of Hyaenarctos unfortunately appears to be unknown; but in the
modern Ursus, in which the tooth in question is extremely variable, the
root is often bifid, as in the new fossil from Nebraska, while between
the bifurcation and the crown there is a hollowing of its outer face.
There is, indeed, some reason to suspect that Hesperopithecus has received an inappropriate name (Woodward, 1922a, p. 750).
Osborn, though was adamant: calling Woodward's criticism great incredulity (Osborn, 1922a, p. 281) and that:
In the whole history of
anthropology no tooth has ever been subjected to such severe
cross-examination as this now world famous tooth of Hesperopithecus. Every suggestion made by scientific skeptics was weighed and found wanting (quoted in Reader, 1981, p. 110).
Gregory and Hellman (1923, p. 526) also reviewed extensively the criticism, concluding that the Hesperopithecus identification is valid:
Professor Osborn's
determination of the type of Hesperopithecus as a new genus of
anthropoid has not been universally accepted. The following
possible identifications of the type have been made by various persons.
1. Upper molar of an anthropoid ape, probably a new genus (American Museum staff). 2. Lower molar of Hyaenarctos or allied genus of ursid. 3. Upper molar of the same. 4. A "bear's tooth." 5. A molar of an otherwise wholly unknown type of carnivore. 6. An upper or lower molar of some carnivore allied with Aeloropus. 7. An upper molar of gigantic relative of the procyonid carnivore Potos. 8. An upper molar of a gigantic relative of such South American monkeys as Pithecia and Lagothrix. 9. The first upper deciduous premolar of a Pliocene horse. 10. An incus bone of a gigantic mammal.
We have considered each of these with unbiased minds
and compared the type with the various specimens suggested, as well as
with many others, but have returned with more confidence to the
conclusions set forth above.
Eventually, Osborn, Harold Cook and others endeavored to quiet their
critics by digging for more evidence. In 1925 they located several
objects which they concluded were likely the ancient tools used by
Nebraska man. Two years later, more such objects were found, many of
which caused them to question the claims that they were human
artifacts. Albert Thomson of the American Museum of Natural History
staff collected samples at the Snake Creek beds in the summer of 1925,
and in 1926 another anthropologist collected many new specimens, all
which led scientists to doubt the identification of Hesperopithecus
as an upper molar of an extinct primate (Reader, 1981, p. 110). The
numerous teeth that they uncovered there were very similar to the
original find, only in much better condition. They finally concluded
that Hesperopithecus was "an
upper premolar of a species of Prosthennops, an extinct genus related
to the modern peccaries" (Gregory, 1927, p. 580).
This conclusion was based on the lower teeth which the field evidence indicated were associated with the upper premolars that were previously concluded to be Hesperopithecus but were "unquestionably the same or nearly the same as the corresponding lower teeth of Prosthennops" (Gregory, 1927, p. 581). The excavations in 1927 found a number of scattered upper and lower premolar and molar teeth, and everyone appeared to be Prosthennops which were almost identical to the Hesperopithecus except that they were far less damaged. These enabled a more accurate identification to be made, eventually resulting in the almost universal conclusion that the tooth type was an upper premolar of an Prosthennops, a genus related to the modern peccary, a wild pig thought to be extinct. Peccaries are members of the family Tayass-vidae, the new world type of suidae. In 1972 Ralph Wetzel discovered a herd of the animals similar to the extinct peccary found in Nebraska by Harold Cook, named Catagonus wagneri (Wetzel, et al., 1975). The animals were consigned to the genus Catagonus ameghino.
An article in Science served as the formal obituary of Hesperopithecus
(Gregory, 1927). The case along with Piltdown man is now often used as
an example of the results of an attempt to impress one's preconceived
ideas into the evidence. The infamous tooth which Bowden (1977, p. 46)
calls "a classic case of excessive imagination" is now safely locked in
the storage vault of the American Museum of Natural History, largely
forgotten except to historians of science. As to the conclusion of the
story, Reader summarizes some of the contemporary comments:
'An ancient and honourable pig no doubt, a pig with a distinguished Greek name,' commented The Times in a leader when the news was released, 'but indubitably porcine.'
The Times wondered whether the worshipers who had so eagerly proclaimed themselves made in the image of Hesperopithecus were now left desolate; and concluded:
'If there is a place where the spirits of forsaken gods
congregate ... to condole with one another on ruined temples and
smokeless altars, there also, aloft in the branches of a monkey puzzle
tree overlooking the asphodel meadow, ... conscious of his own
distinction as one who has received the offering of unsuperstitious
science, should sit the spirit of the Evening Ape.'
Paleontologists had
been badly bitten by the Nebraska tooth, Elliot Smith remarked later
(Reader, 1981, p. 110).
The London Times also had this to say: The zeal for the
discovery of ancestors, which is so often observed in the newly
ennobled, has been carried to its highest pitch by that new-comer to
the aristocracy of science, the anthropologist.... One of the most
notable examples of his skill was given to the world some six years
ago, when a single tooth, which had been dug up in Nebraska, was
identified as that of the founder of the family of Man.... From the one
surviving molar science drew a complete portrait of the patriarch. He
proved to be powerfully built; of homely countenance; a little heavy in
the jowl, and not very wide of brow; and … he was "marvelous hairy
"about the face." ... What more auspicious beginning for the human
family than the union of his daughter and heiress with the novus homo,
Eoanthropus?
It is true that there were some who doubted.... A few,
greatly daring, contended that the single tooth from which all had been
derived was not quite sufficient evidence of the precise accuracy of
every detail. But the skeptics were overruled: the creative imagination
of the artist must be allowed to overlap gulfs that seemed impassable
to more pedestrian minds. Let them but have faith in comparative
morphology, accept their inheritance, recant their heresies, and be
reconciled to the communion of the orthodox. And so all might have been
well for them and for comparative morphology, if it had not occurred to
one of the devotees that Hesperopithecus
must have possessed other teeth. Accordingly he set out to find them,
not being impelled by lack of faith, but moved rather by the pious
desire to obtain further hagiological relics. Teeth ... were found, and
unmistakably from the same jaw as the first; but unhappily it was
equally unmistakable that there were the teeth of a pig — an ancient
and honourable pig no doubt ... but indubitably porcine. Are the
worshipers then, who so eagerly proclaimed themselves made in the image
of Hesperopithecus left desolate? It is hard to believe that their devotion can be wholly barren. Hesperopithecus
may not have, may never have had, a body, even a tooth; nevertheless by
some process of emanation his adorers, out of their own vital force may
conceivably have created for him a soul (quoted from The London Times, Feb. 25, 1928, p. 13).
Williams, in an article in the Feb. 20, 1928 New York Times, discusses what he believes may be the future significance for society, and specifically religion, due to dethroning Hesperopithecus. Writing as if he was living a few hundred years from 1928 and looking back at the 1928 events, he writes:
Science in its proper
sense: [was] the disinterested search after demonstrable Facts in all
the fields of human thought ... [but] became idolized and was set up as
a Religion; a popular religion; supposedly one that was the rival and
drastic opposite in all respects of the supernatural religion of
Christianity. Long before the year 1928 by far the greater part of the
Press was devoted to its service. 'Evolution' was the great shibboleth
of this vast popular religion, the end of which was dogmatically
asserted....
More especially, the 'descent' of mankind from monkeys was the popular test of orthodoxy. How or why there was anything at all possessing life, or having existence, this popular science religion never bothered about: its sole preoccupation, its fundamental doctrine, was simply that 'there was (however it happened to be) something called 'matter,' which was simple in the beginning ('protoplasm' was its popular name); which then became somehow or other differentiated; passing into 'higher' and still 'higher' forms, till at last the monkey tribe appeared, out of which came man . … The enormous efforts put forth by the American Museum of Science to establish the haroldcookii tooth as that of an ape-man, then, should be studied in their relations to the popular religions of 1928. No newspaper in the world, it may be added, had done more for the spread of the religion of Science than The Times.... on that historic Monday, February 20, 1928, was simply an isolated bubble of the great wave of mirth which finally did away with so many of the humbugs of an age which so proudly loved to call itself enlightened, but which now appears so pathetically mistaken (1928a, pp. 310-311). The Bryan-Osborn Controversy
The whole Bryan-Osborn controversy over the tooth played a role in the
history of the Scopes trial even though none of the scientific evidence
was formally admitted, nor were the scientific expert witnesses allowed
to testify. The judge concluded the only question was whether the law
was violated, not the validity of any theory. As Gould (1991, p. 432)
notes,
The main bout may have
pitted Bryan against Clarence Darrow at the trial itself, but a
preliminary skirmish in 1922, before any state legislature had passed
an evolution law, had brought two equally formidable foes together—Bryan
again, but this time against Henry Fairfield Osborn, the head of the
American Museum of Natural History. In some respects, the Bryan-Osborn
confrontation was more dramatic than the famous main event three years
later. One can hardly imagine two more powerful but more different men;
the arrogant, patrician, arch conservative Osborn versus the folksy,
'Great Commoner' from Nebraska. Moreover, Darrow maintained, a
certain respect, based on genuine affection for Bryan... I detect
nothing but pure venom and contempt from Osborn.
Although Darrow selected Osborn as an expert witness in the Scopes
trial, his primary strategy was, according to Gould, to show that it
was possible for a religiously devout scientist to accept evolution.
Osborn, a dedicated theist who viewed evolution as the finest
expression of God's intent, wrote extensively about his views. This
line of testimony, Darrow felt, would blunt Bryan's attack on evolution
as intrinsically Godless (Gould, 1991, p. 433). Of course, Bryan's
concern went far beyond this. He was much concerned with the effect of
evolution on racism, human rights and the equality of man. And from our
vantage point today, we now recognize that Osborn "advocated as Haeckel
did, a racist view of Human Evolution" (Krishtalka, 1992, p. 405).
The skirmish resulted in the publication of their articles in various
papers which argued for their respective viewpoints. Bryan, for
example, in his New York Times
(Feb. 26, 1922) article, according to Gould, showed, "some grasp of the
tradition parries against Darwin ... rested his case upon a supposed
lack of direct evidence for the claims" of the evolutionist, asking the
question,
The real question is,
Did God use evolution as His plan? If it could be shown [that man],
instead of being made in the image of God, is a development of beasts,
we would have to accept it, regardless of its effect, for truth is
truth and must prevail. But when there is no proof, we have a right to
consider the effect of an acceptance of an unsupported hypothesis
(Bryan, 1925, p. 375).
Osborn's response to Bryan's article was published in the New York Times on March 5, and then reissued on June 8, 1923 as a book called Evolution and Religion.
Osborn called Bryan's article "able and carefully prepared" and notes
that "the movement started by Mr. Bryan has become nation-wide..."
(Osborn, 1923a, p. vii). He argued for evolution on the basis of the
fossil and geological evidence, as well as the incompatibility of the
theory with religion. He claims here that evolution is not part of
modernism, but "goes back to the wise, learned, and observant founders
of Christianity in Western Europe" (p. viii). Osborn also concluded
that "man, instead of being made in the image of God, is a development
of beasts" (p. 2). This view was a major concern of Bryan and the
primary aspect of evolution that he objected to (Bryan, 1922). Osborn
acknowledges that Bryan
has familiarized
himself with many of the debatable points in Darwin's opinions, such as
the theory of Sexual Selection, and it is not at all surprising, not
being a specialist in biology, that he is extremely confused—as, in
fact, many evolutionists are—by the radical differences in opinion as
to the power of Natural Selection itself, expressed by recent writers
such as John Burroughs and Professor Bateson. If it is difficult for
biologists to think straight on this very intricate subject of
evolution, how much more difficult must it be for the layman?" (1923,
p. 3).
Osborn then adds that, in his opinion "Natural Selection is the only
cause of evolution which has thus far been discovered and demonstrated"
(1923, p. 4) and that
"no living naturalist,
however, so far as I know, differs as to the immutable truth of
evolution in the sense of the continuous fitness of plants and animals
to their environment, and the ascent of all of the extinct and existing
forms of life, including man, from an original and single cellular
state" (pp. 4-5).
This response, although it was likely intended to refute Bryan, merely
fueled Bryan's conclusion that great disagreement about the theory
existed among biologists, and yet a common faith
in evolution existed among them. He was specifically concerned about
natural selection, which, according to Osborn, was the only cause so
far discovered that has been shown that could cause evolution. It was
this theory that Bryan was very concerned about because of his
opposition to social Darwinism, racism and eugenics in general.
Osborn further supported Bryan's concern with such statements as "...while the shifting sands of human opinion are swept hither and thither both in Theology and in Science. Wrecked on these sands of opinion are many great names, both in Theology and Science" (Osborn, 1925b. p. 6). Osborn's argument that many devoutly religious persons have accepted evolution did not assuage Bryan's concern relative to the racism of natural selection, and the effects of the survival of the fittest theory, especially relative to the weak, Blacks and others.
Osborn also argues here that evolution should be taught in the schools,
but only if it is "entirely separated from the opinions, materialist or
theistic, which have clustered about it" (pp. 16-17). Of course, Bryan
did not argue that it should not be taught as fact, only that the
evolution of mankind, specifically atheistic evolution, should not
be taught as fact (Bryan, 1922). Osborn used both Piltdown and
Neandertal man as evidence for evolution, concluding that they
"constituted the missing link between man and the lower order of
creation" (1923a, p. 21). Many of his ideas here reflected his "old
master, Huxley" the British "bull dog" of Darwin (Osborn, 1910, p. 5).
Osborn (1910, p. 12) here again cited the Job 12:8 passage "Speak to
the Earth, and it shall teach thee." He later expanded this part of his
work which was published under the title The Earth Speaks to Bryan as a take off on this Scripture in Job. When the tooth was revealed to be that of a pig, Straton said,
I am writing to
President Henry Fairfield Osborn respectfully suggesting in view of
this fiasco, that he put this tooth in a handsome glass case in the
Hall of the Age of Man at the Museum of Natural History, but change the
name from Hesperopithecus haroldcooky,
bestowed in honor of Harold Cook, discoverer of this miraculous tooth,
from which a whole race of prehistoric men were created by fervid
imagination of scientific enthusiasts, to Hesperopigdonefoolen osbornicuckoo
in honor of Mr. Osborn himself, who defended the tooth heatedly and,
cookoo-like said "Me too" after gleeful dogmatic opinions of Cook,
Gregory and others.
I am also mildly and good naturedly suggesting to Mr. Osborn that he now apologize to Bryan's memory and to me for having called us jointly "bigots," demagogues of conduct, "foes of science,"etc., in his Forum magazine article and book because we refused to reject the Bible teaching and kowtow to and swallow his pig tooth at the time he was serving that dish of pork camouflaged under an overwhelming Greek name, and trying to cram it down our throats willy-nilly in the awful name of science. (Straton 1928, p. 19). The Meaning for Us Today
This case was not an aberration, but a pattern in the history of paleontology which, in Fix's (1984, p. 11) words was:
Possibly the most
singular such case involved a creature that had been named
Hesperopithecus by the discoverers of a solitary molar tooth [which]
... , these experts decided, was close enough to man's to signal the
presence of one of the legendary missing links. As usual, scientists
and artists conspired to reconstruct the full creature, and portraits
of the new species, male and female, brutish and slope-browed, were
published in the Illustrated London News. With this favorable publicity heightening his significance, Hesperopithecus' tooth was introduced as evolutionary evidence in the Scopes "monkey trial" in Dayton, Tennessee, in 1925. But Hesperopithecus'
career as a missing link was short-lived. In 1927 other parts of his
skeleton were uncovered, a discovery paleoanthropologists are reluctant
to celebrate: the molar had come from an extinct pig.
It has not been just an occasional opportunistic radical who has behaved in this way, but broad reaches of the profession. I am joined in this assessment by Sir Solly Zuckerman, a leading British scientist. Sir Solly complained that with the discovery of almost every new primate fossil the discoverer has attempted to present it as the chief ancestral link between the animals and man. Applying as much sarcasm as is possible in a technical paper, Sir Solly remarked, "It is … unlikely that they could all enjoy this distinction"
Many more examples of this exist in the attempts to prove human
evolution (Reader, 1981). Fix (1984) summarizes some of the major
examples of this pattern as follows: See Table.
This history vividly illustrates Gould's words as follows:
No myth deserves a more
emphatic death than the idea that science is an inherently impartial
and objective enterprise; objectivity has, after all, been battered by
everything from Thomas Kuhn to Watergate. Yet it continues to thrive
among working scientists because it serves us so well. It works within
our profession by inspiring our students and sustaining us through
inevitable periods of self-doubt; more crucially, it is the hallmark of
our effort in public relations—a self-serving statement that enhances
the social prestige and political clout of scientists. It also provides
the rationale for America's scientific priesthood: The National Academy
of Sciences (Gould, 1978, p. 344).
A major reason for the problem identified in this paper in the field of human origins is, as Fix (1984, p. 23) concludes:
Defenders of the tribe
will no doubt protest that no one is infallible and that every
profession has its share of embarrassments. But we are dealing here
with more than an unfortunate minority who imbibe too deeply this heady
mixture of enthusiasm and one-sided imagination. If we include not only
those who produce the extrapolation but those who swallow it, then it
would seem that most of the profession is similarly addicted. At least
this is what we must conclude unless anthropology boasts a silent
majority, because it is a matter of record that not a few, but most, of
the ancestors of man endorsed by eminent students over the years have
later had to be recalled.
Osborn specifically was guilty of this sin. Although a leading
evolutionist, he "tailored the palaeontological evidence to fit … [his]
views and values in his voluminous writings and in the enormous museum
exhibitions and dioramas" (Krishtalka, 1992, p, 405—see Osborn 1923a,
1925c).
The method of arriving at the conclusion is detailed by Gregory (1927).
After noting that there is extreme natural wear of the crown, they
compared the chief characteristics that the Hesperopithecus
tooth shared with both man and the anthropoid. They then utilized
measurements of similar data for molars of chimpanzees and American
Indians, "concluding that the Hesperopithecus
type on the whole came nearest to the second upper molar of a
chimpanzee." Of course taking measurements of a structure like a tooth,
and determining that it falls in between a chimpanzee and an American
Indian does not mean that the creature from which the tooth came
likewise falls in between these two creatures structurally,
evolutionarily or any other way. There are many structures and
physiological processes which fall between two animals, but the animal
they came from may be either much higher or much lower on the
hypothetical evolutionary scale than either of the animals with which
they are being compared.
References
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