Non Fiction

The Story of Evolution

Joseph McCabe

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CHAPTER XX. THE DAWN OF CIVILISATION

The story of man before the discovery of metal and the attainment
of civilisation is notoriously divided into a Palaeolithic (Old
Stone) Age, and a Neolithic (New Stone) Age. Each of these ages
is now subdivided into stages, which we will review in
succession. But it is important to conceive the whole story of
man in more correct proportion than this familiar division
suggests. The historical or civilised period is now computed at
about ten thousand years. The Neolithic Age, which preceded
civilisation, is usually believed to be about four or five times
as long, though estimates of its duration vary from about twenty
to a hundred thousand years. The Palaeolithic Age in turn is
regarded as at least three or four times as long as the
Neolithic; estimates of time vary from a hundred to five hundred
thousand years. And before this there is the vast stretch of time
in which the ape slowly became a primitive human.

This long, early period is, as we saw, still wrapped in mist and
controversy. A few bones tell of a race living, in semi-human
shape, in the region of the Indian Ocean; a few crude stones are
held by many to indicate that a more advanced, but very lowly
race, wandered over the south of Europe and north of Africa
before the Ice-Age set in. The starting-point or cradle of the
race is not known. The old idea of seeking the patriarchal home
on the plains to the north of India is abandoned, and there is
some tendency to locate it in the land which has partly survived
in the islands of the Indian Ocean. The finding of early remains
in Java is not enough to justify that conclusion, but it obtains
a certain probability when we notice the geographical
distribution of the Primates. The femurs and the apes are found
to-day in Africa and Asia alone; the monkeys have spread eastward
to America and westward to Europe and Africa; the human race has
spread north-eastward into Asia and America, northwestward into
Europe, westward into Africa, and southward to Australia and the
islands. This distribution suggests a centre in the Indian Ocean,
where there was much more land in the Tertiary Era than there is
now. We await further exploration in that region and Africa.

There is nothing improbable in the supposition that man wandered
into Europe in the Tertiary, and has left in the Eoliths the
memorials of his lowly condition. The anthropoid apes certainly
reached France. However that may be, the Ice-Age would restrict
all the Primates to the south. It will be seen, on a glance at
the map, that a line of ice-clad mountains would set a stern
barrier to man's advance in the early Pleistocene, from the
Pyrenees to the Himalaya, if not to the Pacific. He therefore
spread westward and southward. One branch wandered into
Australia, and was afterwards pressed by more advanced invaders
(the present blacks of Australia) into Tasmania, which seems to
have been still connected by land. Another branch, or branches,
spread into Africa, to be driven southward, or into the central
forests, by later and better equipped invaders. They survive,
little changed (except by recent contact with Europeans), in the
Bushmen and in large populations of Central Africa which are
below the level of tribal organisation. Others remained in the
islands, and we seem to have remnants of them in the Kalangs,
Veddahs, etc. But these islands have been repeatedly overrun by
higher races, and the primitive life has been modified.

Comparing the most isolated of these relics of early humanity, we
obtain many suggestions about the life of that remote age. The
aboriginal Tasmanians, who died out about forty years ago, were
of great evolutionary interest. It is sometimes said that man is
distinguished from all other animals by the possession of
abstract ideas, but the very imperfect speech of the Tasmanians
expressed no abstract ideas. Their mind seems to have been in an
intermediate stage of development. They never made fire, and,
like the other surviving fragments of early humanity, they had no
tribal organisation, and no ideas of religion or morality.

The first effect of the Ice-Age on this primitive humanity would
be to lead to a beginning of the development of racial
characters. The pigment under the skin of the negro is a
protection against the actinic rays of the tropical sun; the
white man, with his fair hair and eyes, is a bleached product of
the northern regions; and the yellow or brown skin seems to be
the outcome of living in dry regions with great extremes of
temperature. As the northern hemisphere divided into climatic
zones these physical characters were bound to develop. The men
who went southward developed, especially when fully exposed to
the sun on open plains, the layer of black pigment which marks
the negroid type. There is good reason, as we shall see to think
that man did not yet wear clothing, though he had a fairly
conspicuous, if dwindling, coat of hair. On the other hand the
men who lingered further north, in South-western Asia and North
Africa, would lose what pigment they had, and develop the lighter
characters of the northerner. It has been noticed that even a
year in the arctic circle has a tendency to make the eyes of
explorers light blue. We may look for the genesis of the
vigorous, light-complexioned races along the fringe of the great
ice-sheet. It must be remembered that when the limit of the
ice-sheet was in Central Germany and Belgium, the climate even of
North Africa would be very much more temperate than it is to-day.

As the ice-sheet melted, the men who were adapted to living in
the temperate zone to the south of it penetrated into Europe, and
the long story of the Old Stone Age opened. It must not, of
course, be supposed that this stage of human culture only began
with the invasion of Europe. Men would bring their rough art of
fashioning implements with them, but the southern regions are too
little explored to inform us of the earlier stage. But as man
enters Europe he begins to drop his flints on a soil that we have
constant occasion to probe--although the floor on which he trod
is now sometimes forty or fifty feet below the surface--and we
obtain a surer glimpse of the fortunes of our race.

Most European geologists count four distinct extensions of the
ice-sheet, with three interglacial periods. It is now generally
believed that man came north in the third interglacial period;
though some high authorities think that he came in the second. As
far as England is concerned, it has been determined, under the
auspices of the British Association, that our oldest implements
(apart from the Eoliths) are later than the great ice-sheet, but
there is some evidence that they precede the last extension of
the ice.

Two stages are distinguished in this first part of the
Palaeolithic Age--the Acheulean and Chellean--but it will suffice
for our purpose to take the two together as the earlier and
longer section of the Old Stone Age. It was a time of temperate,
if not genial, climate. The elephant (an extinct type), the
rhinoceros, the hippopotamus, the hyaena, and many other forms of
animal life that have since retired southward, were neighbours of
the first human inhabitant of Europe. Unfortunately, we have only
one bone of this primitive race, the jaw found at Mauer in 1907,
but its massive size and chinless contour suggest a being midway
between the Java man and the Neanderthal race. His culture
confirms the supposition. There is at this stage no clear trace
of fire, clothing, arrows, hefted weapons, spears, or social
life. As the implements are generally found on old river-banks or
the open soil, not in caves, we seem to see a squat and powerful
race wandering, homeless and unclad, by the streams and broad,
marshy rivers of the time. The Thames and the Seine had not yet
scooped out the valleys on the slopes of which London and Paris
are built.

This period seems, from the vast number of stone implements
referred to it, to have lasted a considerable time. There is a
risk in venturing to give figures, but it may be said that few
authorities would estimate it at less than a hundred thousand
years. Man still advanced with very slow and uncertain steps, his
whole progress in that vast period being measured by the
invention of one or two new forms of stone implements and a
little more skill in chipping them. At its close a great chill
comes over Europe--the last ice-sheet is, it seems, spreading
southward--and we enter the Mousterian period and encounter the
Neanderthal race which we described in the preceding chapter.

It must be borne in mind that the whole culture of primitive
times is crushed into a few feet of earth. The anthropologist is
therefore quite unable to show us the real succession of human
stages, and has to be content with a division of the whole long
and gradual evolution into a few well-marked phases. These
phases, however, shade into each other, and are merely convenient
measurements of a continuous story. The Chellean man has slowly
advanced to a high level. There is no sudden incoming of a higher
culture or higher type of man. The most impressive relics of the
Mousterian period, which represent its later epoch, are merely
finely chipped implements. There is no art as yet, no pottery,
and no agriculture; and there is no clear trace of the use of
fire or clothing, though we should bc disposed to put these
inventions in the chilly and damp Mousterian period. There is
therefore no ground for resenting the description, "the primeval
savage," which has been applied to early man. The human race is
already old, yet, as we saw, it is hardly up to the level of the
Australian black. The skeleton found at Chapelle-aux-Saints is
regarded as the highest known type of the race, yet the greatest
authority on it, M. Boule, says emphatically: "In no actual race
do we find the characters of inferiority--that is to say, the
ape-like features--which we find in the Chapelle-aux-Saints
head." The largeness of the head is in proportion to the robust
frame, but in its specifically human part--the front--it is very
low and bestial; while the heavy ridges over the large eyes, the
large flat stumpy nose, the thick bulge of the lips and teeth,
and the almost chinless jaw, show that the traces of his ancestry
cling close to man after some hundreds of thousands of years of
development.

The cold increases as we pass to the last part of the Old Stone
Age, the Solutrean and Magdalenian periods; and nothing is
clearer than that the pace of development increases at the same
time. Short as the period is, in comparison with the preceding,
it witnesses a far greater advance than had been made in all the
rest of the Old Stone Age. Beyond a doubt men now live in caves,
in large social groups, make clothing from the skins of animals,
have the use of fire, and greatly improve the quality of their
stone axes, scrapers, knives, and lance-heads. There is at last
some promise of the civilisation that is coming. In the soil of
the caverns in which man lived, especially in Southern France and
the Pyrenean region, we find the debris of a much larger and
fuller life. Even the fine bone needles with which primitive man
sewed his skin garments, probably with sinews for thread, survive
in scores. In other places we find the ashes of the fires round
which he squatted, often associated with the bones of the wild
horses, deer, etc., on which he lived.

But the most remarkable indication of progress in the "cave-man"
is his artistic skill. Exaggerated conclusions are sometimes
drawn from the statuettes, carvings, and drawings which we find
among the remains of Magdalenian life. Most of them are crude,
and have the limitations of a rustic or a child artist. There is
no perspective, no grouping. Animals are jumbled together, and
often left unfinished because the available space was not
measured. There are, however, some drawings--cut on bone or horn
or stone with a flint implement--which evince great skill in
line-drawing and, in a few cases, in composition. Some of the
caves also are more or less frescoed; the outlines of animals,
sometimes of life-size and in great numbers, are cut in the wall,
and often filled in with pigment. This skill does not imply any
greater general intelligence than the rest of the culture
exhibits. It implies persistent and traditional concentration
upon the new artistic life. The men who drew the "reindeer of
Thayngen" and carved the remarkable statuettes of women in ivory
or stone, were ignorant of the simplest rudiments of pottery or
agriculture, which many savage tribes possess.

Some writers compare them with the Eskimo of to-day, and even
suggest that the Eskimo are the survivors of the race, retreating
northward with the last ice-sheet, and possibly egged onward by a
superior race from the south. It is, perhaps, not a very
extravagant claim that some hundreds of thousands of years of
development--we are now only a few tens of thousands of years
from the dawn of civilisation--had lifted man to the level of the
Eskimo, yet one must hesitate to admit the comparison. Lord
Avebury reproduces an Eskimo drawing, or picture-message, in his
"Prehistoric Times," to which it would be difficult to find a
parallel in Magdalenian remains. I do not mean that the art is
superior, but the complex life represented on the
picture-message, and the intelligence with which it is
represented, are beyond anything that we know of Palaeolithic
man. I may add that nearly all the drawings and statues of men
and women which the Palaeolithic artist has left us are marked by
the intense sexual exaggeration--the "obscenity," in modern
phraseology--which we are apt to find in coarse savages.

Three races are traced in this period. One, identified by
skeletons found at Mentone and by certain statuettes, was negroid
in character. Probably there was an occasional immigration from
Africa. Another race (Cro-Magnon) was very tall, and seems to
represent an invasion from some other part of the earth toward
the close of the Old Stone Age. The third race, which is compared
to the Eskimo, and had a stature of about five feet, seem to be
the real continuers of the Palaeolithic man of Europe. Curiously
enough, we have less authentic remains of this race than of its
predecessor, and can only say that, as we should expect, the
ape-like features--the low forehead, the heavy frontal ridges,
the bulging teeth, etc.--are moderating. The needles we have
found--round, polished, and pierced splinters of bone, sometimes
nearly as fine as a bodkin--show indisputably that man then had
clothing, but it is curious that the artist nearly always draws
him nude. There is also generally a series of marks round the
contour of the body to indicate that he had a conspicuous coat of
hair. Unfortunately, the faces of the men are merely a few
unsatisfactory gashes in the bone or horn, and do not picture
this interesting race to us. The various statuettes of women
generally suggest a type akin to the wife of the Bushman.

We have, in fine, a race of hunters, with fine stone knives and
javelins. Toward the close of the period we find a single
representation of an arrow, which was probably just coming into
use, but it is not generally known in the Old Stone Age. One of
the drawings seems to represent a kind of bridle on a horse, but
we need more evidence than this to convince us that the horse was
already tamed, nor is there any reason to suppose that the dog or
reindeer had been tamed, or that the ground was tilled even in
the most rudimentary way. Artistic skill, the use of clothing and
fire, and a finer feeling in the shaping of weapons and
implements, are the highest certain indications of the progress
made by the end of the Old Stone Age.

But there was probably an advance made which we do not find
recorded, or only equivocally recorded, in the memorials of the
age. Speech was probably the greatest invention of Magdalenian
man. It has been pointed out that the spine in the lower jaw, to
which the tongue-muscle is attached, is so poorly developed in
Palaeolithic man that we may infer from it the absence of
articulate speech. The deduction has been criticised, but a
comparison of the Palaeolithic jaw with that of the ape on one
hand and modern man on the other gives weight to it. Whatever may
have been earlier man's power of expression, the closer social
life of the Magdalenian period would lead to a great development
of it. Some writers go so far as to suggest that certain obscure
marks painted on pebbles or drawn on the cavern-walls by men at
the close of the Palaeolithic Age may represent a beginning of
written language, or numbers, or conventional signs. The
interpretation of these is obscure and doubtful. It is not until
ages afterwards that we find the first clear traces of written
language, and then they take the form of pictographs (like the
Egyptian hieroglyphics or the earliest Chinese characters).

We cannot doubt, however, that articulate speech would be rapidly
evolved in the social life of the later Magdalenian period, and
the importance of this acquisition can hardly be exaggerated.
Imagine even a modern community without the device of articulate
language. A very large proportion of the community, who are now
maintained at a certain level by the thought of others,
communicated to them by speech, would sink below the civilised
standard, and the transmission and improvement of ideas would be
paralysed. It would not be paradoxical to regard the social life
and developing speech of Magdalenian man as the chief cause of
the rapid advance toward civilisation which will follow in the
next period.

And it is not without interest to notice that a fall in the
temperature of the earth is the immediate cause of this social
life. The building of homes of any kind seems to be unknown to
Magdalenian man. The artist would have left us some sketchy
representation of it if there had been anything in the nature of
a tent in his surroundings. The rock-shelter and the cave are the
homes which men seek from the advancing cold. As these are
relatively few in number, fixed in locality, and often of large
dimensions, the individualism of the earlier times is replaced by
collective life. Sociologists still dispute whether the clan
arose by the cohesion of families or the family arose within the
clan. Such evidence as is afforded by prehistoric remains is
entirely in favour of the opinion of Professor Westermarck, that
the family preceded the larger group. Families of common descent
would now cling together and occupy a common cavern, and, when
the men gathered at night with the women for the roasting and
eating of the horse or deer they had hunter!, and the work of the
artist and the woman was considered, the uncouth muttering and
gesticulating was slowly forged into the great instrument of
articulate speech. The first condition of more rapid progress was
instinctively gained.

Our story of life has so often turned on this periodical lowering
of the climate of the earth that it is interesting to find this
last and most important advance so closely associated with it
that we are forced once more to regard it as the effective cause.
The same may be said of another fundamental advance of the men of
the later Palaeolithic age, the discovery of the art of making
fire. It coincides with the oncoming of the cold, either in the
Mousterian or the Magdalenian. It was more probably a chance
discovery than an invention. Savages so commonly make fire by
friction--rubbing sticks, drills, etc.--that one is naturally
tempted to regard this as the primitive method. I doubt if this
was the case. When, in Neolithic times, men commonly bury the
dead, and put some of their personal property in the grave with
them, the fire-kindling apparatus we find is a flint and a piece
of iron pyrites. Palaeolithic man made his implements of any kind
of hard and heavy stone, and it is probable that he occasionally
selected iron ore for the purpose. An attempt to chip it with
flint would cause sparks that might fall on inflammable material,
and set it alight. Little intelligence would be needed to turn
this discovery to account.

Apart from these conjectures as to particular features in the
life of prehistoric man, it will be seen that we have now a broad
and firm conception of its evolution. From the ape-level man very
slowly mounts to the stage of human savagery. During long ages he
seems to have made almost no progress. There is nothing
intrinsically progressive in his nature. Let a group of men be
isolated at any stage of human evolution, and placed in an
unchanging environment, and they will remain stationary for an
indefinite period. When Europeans began to traverse the globe in
the last few centuries, they picked up here and there little
groups of men who had, in their isolation, remained just where
their fathers had been when they quitted the main road of advance
in the earlier stages of the Old Stone Age. The evolution of man
is guided by the same laws as the evolution of any other species.
Thus we can understand the long period of stagnation, or of
incalculably slow advance. Thus, too, we can understand why, at
length, the pace of man toward his unconscious goal is quickened.
He is an inhabitant of the northern hemisphere, and the northern
hemisphere is shaken by the last of the great geological
revolutions. From its first stress emerges the primeval savage of
the early part of the Old Stone Age, still bearing the deep
imprint of his origin, surpassing his fellow-animals only in the
use of crude stone implements. Then the stress of conditions
relaxes--the great ice-sheet disappears--and again during a vast
period he makes very little progress. The stress returns. The
genial country is stripped and impoverished, and the reindeer and
mammoth spread to the south of Europe. But once more the
adversity has its use, and man, stimulated in his hunt for food,
invigorated by the cold, driven into social life, advances to the
culmination of the Old Stone Age.

We are still very far from civilisation, but the few tens of
thousands of years that separate Magdalenian man from it will be
traversed with relative speed--though, we should always remember,
with a speed far less than the pace at which man is advancing
to-day. A new principle now enters into play: a specifically
human law of evolution is formulated. It has no element of
mysticism, and is merely an expression of the fact that the
previous general agencies of development have created in man an
intelligence of a higher grade than that of any other animal. In
his larger and more plastic brain the impressions received from
the outer world are blended in ideas, and in his articulate
speech he has a unique means of entering the idea-world of his
fellows. The new principle of evolution, which arises from this
superiority, is that man's chief stimulus to advance will now
come from his cultural rather than his physical environment.
Physical surroundings will continue to affect him. One race will
outstrip another because of its advantage in soil, climate, or
geographical position. But the chief key to the remaining and
more important progress of mankind, which we are about to review,
is the stimulating contact of the differing cultures of different
races.

This will be seen best in the history of civilisation, but the
principle may be recognised in the New Stone Age which leads from
primeval savagery to civilisation, or, to be more accurate and
just, to the beginning of the historical period. It used to be
thought that there was a mysterious blank or gulf between the Old
and the New Stone Age. The Palaeolithic culture seemed to come to
an abrupt close, and the Neolithic culture was sharply
distinguished from it. It was suspected that some great
catastrophe had destroyed the Palaeolithic race in Europe, and a
new race entered as the adverse conditions were removed. This was
especially held to be the case in England. The old Palaeolithic
race had never reached Ireland, which seems to have been cut oft
from the Continent during the Ice-Age, and most of the
authorities still believe--in spite of some recent claims--that
it never reached Scotland. England itself was well populated, and
the remains found in the caves of Derbyshire show that even the
artist--or his art--had reached that district. This Palaeolithic
race seemed to come to a mysterious end, and Europe was then
invaded by the higher Neolithic race. England was probably
detached from the Continent about the end of the Magdalenian
period. It was thought that some great devastation--the last
ice-sheet, a submersion of the land, or a plague--then set in,
and men were unable to retreat south.

It is now claimed by many authorities that there are traces of a
Middle Stone (Mesolithic) period even in England, and nearly all
the authorities admit that such a transitional stage can be
identified in the Pyrenean region. This region had been the great
centre of the Magdalenian culture. Its large frescoed caverns
exhibit the culmination of the Old Stone life, and afford many
connecting links with the new. It is, however, a clearly
established and outstanding fact that the characteristic art of
Magdalenian man comes to an abrupt and complete close, and it
does not seem possible to explain this without supposing that the
old race was destroyed or displaced. If we could accept the view
that it was the Eskimo-like race of the Palaeolithic that
cultivated this art, and that they retreated north with the
reindeer and the ice, and survive in our Eskimo, we should have a
plausible explanation. In point of fact, we find no trace
whatever of this slow migration from the south of Europe to the
north. The more probable supposition is that a new race, with
more finished stone implements, entered Europe, imposed its
culture upon the older race, and gradually exterminated or
replaced it. We may leave it open whether a part of the old race
retreated to the north, and became the Eskimo.

Whence came the new race and its culture? It will be seen on
reflection that we have so far been studying the evolution of man
in Europe only, because there alone are his remains known with
any fullness. But the important region which stretches from
Morocco to Persia must have been an equally, if not more,
important theatre of development. While Europe was shivering in
the last stage of the Ice-Age, and the mammoth and reindeer
browsed in the snows down to the south of France, this region
would enjoy an excellent climate and a productive soil. We may
confidently assume that there was a large and stirring population
of human beings on it during the Magdalenian cold. We may, with
many of the authorities, look to this temperate and fertile
region for the slight advance made by early Neolithic man beyond
his predecessor. As the cold relaxed, and the southern fringe of
dreary steppe w as converted once more into genial country, the
race would push north. There is evidence that there were still
land bridges across the Mediterranean. From Spain and the south
of France this early Neolithic race rapidly spread over Europe.

It must not be supposed that the New Stone Age at first goes much
beyond the Old in culture. Works on prehistoric man are apt to
give as features of "Neolithic man" all that we know him to have
done or discovered during the whole of the New Stone Age. We read
that he not only gave a finer finish to, and sometimes polished,
his stone weapons, but built houses, put imposing monuments over
his dead, and had agriculture, tame cattle, pottery, and weaving.
This is misleading, as the more advanced of these accomplishments
appear only late in the New Stone Age. The only difference we
find at first is that the stone axes, etc., are more finely
chipped or flaked, and are frequently polished by rubbing on
stone moulds. There is no sudden leap in culture or intelligence
in the story of man.

It would be supremely interesting to trace the evolution of human
industries and ideas during the few tens of thousands of years of
the New Stone Age. During that time moral and religious ideas are
largely developed, political or social forms are elaborated, and
the arts of civilised man have their first rude inauguration. The
foundations of civilisation are laid. Unfortunately, precisely
because the period is relatively so short and the advance so
rapid, its remains are crushed and mingled in a thin seam of the
geological chronicle, and we cannot restore the gradual course of
its development with any confidence. Estimates of its duration
vary from 20,000 to 70,000 years; though Sir W. Turner has
recently concluded, from an examination of marks on Scottish
monuments, that Neolithic man probably came on foot from
Scandinavia to Scotland, and most geologists would admit that it
must be at least a hundred thousand years since one could cross
from Norway to Scotland on foot. As usual, we must leave open the
question of chronology, and be content with a modest provisional
estimate of 40,000 or 50,000 years.

We dimly perceive the gradual advance of human culture in this
important period. During the Old Stone Age man had made more
progress than he had made in the preceding million years; during
the New Stone Age--at least one-fourth as long as the Old--he
made even greater progress; and, we may add, in the historical
period, which is one-fourth the length of the Neolithic Age, he
will make greater progress still. The pace of advance naturally
increases as intelligence grows, but that is not the whole
explanation. The spread of the race, the gathering of its members
into tribes, and the increasing enterprise of men in hunting and
migration, lead to incessant contacts of different cultures and a
progressive stimulation.

At first Neolithic man is content with finer weapons. His stone
axe is so finely shaped and polished that it sometimes looks like
forged or moulded metal. He also drills a clean hole through
it--possibly by means of a stick working in wet sand--and gives
it a long wooden handle. He digs in the earth for finer flints,
and in some of his ancient shafts (Grimes, Graves and Cissbury)
we find picks of reindeer horn and hollowed blocks of chalk in
which he probably burned fat for illumination underground. But in
the later part of the Neolithic--to which much of this finer work
also may belong--we find him building huts, rearing large stone
monuments, having tame dogs and pigs and oxen, growing corn and
barley, and weaving primitive fabrics. He lives in large and
strong villages, round which we must imagine his primitive
cornfields growing and his cattle grazing, and in which there
must have been some political organisation under chiefs.

When we wish to trace the beginning of these inventions we have
the same difficulty that we experienced in tracing the first
stages of new animal types. The beginning takes place in some
restricted region, and our casual scratching of the crust of the
earth or the soil may not touch it for ages, if it has survived
at all. But for our literature and illustrations a future
generation would be equally puzzled to know how we got the idea
of the aeroplane or the electric light. In some cases we can make
a good guess at the origin of Neolithic man's institutions. Let
us take pottery. Palaeolithic man cooked his joint of horse or
reindeer, and, no doubt, scorched it. Suppose that some
Palaeolithic Soyer had conceived the idea of protecting the
joint, and preserving its juices, by daubing it with a coat of
clay. He would accidentally make a clay vessel. This is Mr.
Clodd's ingenious theory of the origin of pottery. The
development of agriculture is not very puzzling. The seed of corn
would easily be discovered to have a food-value, and the
discovery of the growth of the plant from the seed would not
require a very high intelligence. Some ants, we may recall, have
their fungus-beds. It would be added by many that the ant gives
us another parallel in its keeping of droves of aphides, which it
"milks." But it is now doubted if the ant deliberately cultivates
the aphides with this aim. Early weaving might arise from the
plaiting of grasses. If wild flax were used, it might be noticed
that part of it remained strong when the rest decayed, and so the
threads might be selected and woven.

The building of houses, after living for ages in stone caverns,
would not be a very profound invention. The early houses were--as
may be gathered from the many remains in Devonshire and
Cornwall--mere rings of heaped stones, over which, most probably,
was put a roof of branches or reeds, plastered with mud. They
belong to the last part of the New Stone Age. In other places,
chiefly Switzerland, Neolithic man lived in wooden huts built on
piles in the shallow shores of lakes. It is an evidence that life
on land is becoming as stimulating as we find it in the age of
Deinosaurs or early mammals. These pile-villages of Switzerland
lasted until the historical period, and the numerous remains in
the mud of the lake show the gradual passage into the age of
metal.

Before the metal age opened, however, there seem to have been
fresh invasions of Europe and changes of its culture. The
movements of the various early races of men are very obscure, and
it would be useless to give here even an outline of the
controversy. Anthropologists have generally taken the relative
length and width of the skull as a standard feature of a race,
and distinguished long-headed (dolichocephalic), short-headed
(brachycephalic), and middle-headed (mesaticephalic) races. Even
on this test the most divergent conclusions were reached in
regard to early races, and now the test itself is seriously
disputed. Some authorities believe that there is no unchanging
type of skull in a particular race, but that, for instance, a
long-headed race may become short-headed by going to live in an
elevated region.

It may be said, in a few words, that it is generally believed
that two races invaded Europe and displaced the first Neolithic
race. The race which chiefly settled in the Swiss region is
generally believed to have come from Asia, and advanced across
Europe by way of the valley of the Danube. The native home of the
wheat and barley and millet, which, as we know, the lake-dwellers
cultivated, is said to be Asia. On the other hand, the Neolithic
men who have left stone monuments on our soil are said to be a
different race, coming, by way of North Africa, from Asia, and
advancing along the west of Europe to Scandinavia. A map of the
earth, on which the distribution of these stone monuments--all
probably connected with the burial of the dead--is indicated,
suggests such a line of advance from India, with a slighter
branch eastward. But the whole question of these invasions is
disputed, and there are many who regard the various branches of
the population of Europe as sections of one race which spread
upward from the shores of the Mediterranean.

It is clear at least that there were great movements of
population, much mingling of types and commercial interchange of
products, so that we have the constant conditions of advance. A
last invasion seems to have taken place some two or three
thousand years before the Christian era, when the Aryans
overspread Europe. After all the controversy about the Aryans it
seems clear that a powerful race, representing the ancestors of
most of the actual peoples of Europe and speaking the dialects
which have been modified into the related languages of the
Greeks, Romans, Germans, Celts, Lithuanians, etc., imposed its
speech on nearly the whole of the continent. Only in the Basques
and Picts do we seem to find some remnants of the earlier
non-Aryan tongues. But whether these Aryans really came from
Asia, as it used to be thought, or developed in the east of
Europe, is uncertain. We seem justified in thinking that a very
robust race had been growing in numbers and power during the
Neolithic Age, somewhere in the region of South-east Europe and
Southwest Asia, and that a few thousand years before the
Christian Era one branch of it descended upon India, another upon
the Persian region, and another overspread Europe. We will return
to the point later. Instead of being the bearers of a higher
civilisation, these primitive Aryans seem to have been lower in
culture than the peoples on whom they fell.

The Neolithic Age had meantime passed into the Age of Metal.
Copper was probably the first metal to be used. It is easily
worked, and is found in nature. But the few copper implements we
possess do not suggest a "Copper Age" of any length or extent. It
was soon found, apparently, that an admixture of tin hardened the
copper, and the Bronze Age followed. The use of bronze was known
in Egypt about 4800 B.C. (Flinders Petrie), but little used until
about 2000 B.C. By that time (or a few centuries later) it had
spread as far as Scandinavia and Britain. The region of invention
is not known, but we have large numbers of beautiful specimens of
bronze work--including brooches and hair-pins--in all parts of
Europe. Finally, about the thirteenth century B.C., we find the
first traces of the use of iron. The first great centre for the
making of iron weapons seems to have been Hallstatt, in the
Austrian Alps, whence it spread slowly over Europe, reaching
Scandinavia and Britain between 500 and 300 B.C. But the story of
man had long before this entered the historical period, to which
we now turn.
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