The sources whence such supplies of raw material of the old flint-worker were derived, have been sufficiently explored to furnish confirmatory evidence of some, at least, of the deductions suggested by other indications thus far noted. The archæologists of Europe are now familiar with many localities which have been the quarries and workshops, as well as the settled abodes, of palæolithic and neolithic man; nor are such unknown in America, though research has to be greatly extended before definite conclusions can be accepted relative to the earliest presence of man on the western continent. Flint and stone implements of every variety of form, and nearly every degree of rudeness, abound in the soil of the New World. But in estimating the true significance of such evidence, it has to be borne in remembrance that its indigenous population has not even now abandoned the arts of their Stone period. Implements have already been referred to still in use among the Shoshone, Texas, and other living tribes, ruder than any yet recovered from the river-drift of France or England; whilst others, more nearly resembling the palæolithic types of Europe, have been met with, some of them imbedded in the rolled gravels, or glacial drift, and associated with bones of the mastodon and other fossil mammals. But the evidence as to palæolithic origin has been, at best, doubtful. An imperfect flint knife, now in the Museum of the University of Toronto, was recovered from a depth of upwards of fourteen feet, among rolled gravel and gold-bearing quartz of the Grinnel Leads in Kansas Territory. Flint implements from the auriferous gravel of California were produced at the Paris Exposition of 1855. According to the Geological Survey of Illinois for 1866, stone axes and flint spear heads were obtained from a bed of local drift near Alton, underlying the loess, and at the same depth as bones of the mastodon. Similar discoveries have been repeatedly noted in Southern States. The river Chattahoochee, in Georgia, in its course down the Nacoochee valley, flows through a rich auriferous region. Explorers in search for gold have made extensive cuttings through the underlying drift-gravel, down to the slate rock upon which it rests; and during one of these excavations, at a depth of nine feet, intermingled with the gravel and boulders of the drift, three large implements were found, nearly resembling the rude flint hatchets of the drift type. Examples of this class, however, though repeatedly noted, have been too isolated to admit of their use for any such comprehensive inductions as the disclosures of the glacial drift of north-western Europe have justified. The evidence hitherto adduced, when implements of this class have been of flint, has failed to establish their palæolithic age, notwithstanding their recovery from ancient gravels. Implements of flint occur in great abundance throughout vast areas of the American continent. With the fact before us that even now the Stone period of its aborigines has not wholly passed away, careful observation is required in determining the probable age of stray specimens buried even at considerable depths.
But disclosures of an actual American implement-bearing drift appear at length to have been met with in the valley of the Delaware. These show the primitive tool-maker resorting to a granular argillite, the cleavage of which adapted itself to the requirements of his rude art. Professor Shaler, in a report on the age of the Delaware gravel beds, describes this formation as occurring from Virginia northward to Labrador, though it is only in New Jersey and Delaware that the accompanying evidences of human art have been thus far recovered. The New Jersey drift is made up of transported material, including boulders and smaller fragments of granitic, hypogene, sandstone, and limestone rocks, along with water-worn pebbles of the same granular argillite as the characteristic stone implements recovered from it, to which, from their peculiar shape, the name of “turtle-back celts” has been given. There is little true clay in the deposit to give coherence to the mass. The type of pebble is subovate, or discoidal, suggesting its form to be due to the action of running water; and it seems probable that the stone was not quarried out of the living rock, but that the pebbles thus reduced to a convenient form were turned to account by the tool-maker. The researches of Dr. Abbott have been rewarded by the discovery in the drift-gravel of numerous examples of this peculiar type of implement, for which the one material appears to have been used, notwithstanding the varied contents of the drift-gravel in which they occur. As in the case of the French and English river-drift, the fractured material is found in every stage of disintegration. Professor Shaler says: “Along with the perfect-looking implements figured by Dr. Abbott, which are apparently as clearly artificial as the well-known remains of the valley of the Somme, there are all grades of imperfect fragments, down to the pebbles that are without a trace of chipping.” But more recent discoveries in the Delaware valley point to remains of a still earlier age than those described by Dr. Abbott. These naturally attracted attention to the region; for there, for the first time, the American archæologist saw a promise of disclosures corresponding in character to those of the European drift-gravels. A systematic and prolonged series of investigations accordingly carried out by Mr. Hilborne T. Cresson, under the direction of the Peabody Museum, have resulted in fresh disclosures of early American man. The Naaman’s Creek rock-shelter, carefully explored by him, is situated in the State of Delaware, immediately to the south of Mason and Dixon’s line. There in underlying deposits, claimed to be of Post-Glacial age, rudely chipped points and other implements, all of argillite, were found; and at a higher level, others of argillite, but intermingled with bone implements, and fragments of rude pottery, and alongside of these, implements fashioned of quartzite and jasper. The antiquity assigned to the Delaware implements, as determined by the age of the tool-bearing gravel, is much greater than that of the Trenton gravels previously referred to; but though remains of fifteen different species of animals, including fragments of a human skull, were recovered from the cave or rock-shelter, they include none but existing fauna. But the evidence of antiquity is based most confidently on the discovery of palæoliths in situ in the true Philadelphia red gravel. Professor G. F. Wright remarks, in discussing the relative ages of the Trenton and Philadelphia red gravel, that both he and Professor Lewis came to the same conclusion: assigning the deposition of the red gravel to a period when the ice had its greatest extension, and when there was considerable local depression of the land. “During this period of greatest ice-extension and depression, the Philadelphia Red Gravel and Brick Clay were deposited by the ice-laden floods which annually poured down the valley in the summer season. As the ice retreated towards the headwaters of the valley, the period was marked also by a re-elevation of the land to about its present height, when the later deposits of gravel at Trenton took place. Dr. Abbott’s discoveries at Trenton prove the presence of man on the continent at that stage of the Glacial epoch. Mr. Cresson’s discoveries prove the presence of man at a far earlier stage. How much earlier will depend upon our interpretation of the general facts bearing on the question of the duality of the Glacial epoch,”[[25]]—a branch of the inquiry which it is not necessary to discuss here. It is sufficient to note that this argillite—an altogether inferior material to the flint, or hornstone of later tool-makers,—appears, thus far, to be a characteristic feature of American palæolithic art. The locality of the native rock is still undetermined; but implements fashioned of it have been found in great numbers along the escarpments facing the river Delaware. Professor Shaler describes the material as a curious granular argillite, the like of which, he says, “I do not know in place.” Should the native rock be hereafter identified, with traces of the manufactured celts in its vicinity, it may help to throw light on the age and history of the primitive American implement-makers.
The flint of the cretaceous deposits does not occur in America. True chalk is all but unknown among the cretaceous strata of the continent, although it has been found in the form of a somewhat extensive bed in Western Kansas. In Texas, the cretaceous limestones contain in places hornstone nodules distributed through them, like the flint nodules in the upper chalk beds of Europe. But though, so far, differing in origin, the hornstone and flint are practically identical; and the chert, or hornstone, which abounds in the chert-layers of the corniferous formation, of common occurrence in Canada, is simply a variety of flint, consisting essentially, like the substance to which that name is specifically applied, of amorphous silica, and with a similar cleavage. This Devonian formation is made up chiefly of limestone strata, parted in many places by layers of chert which vary in thickness from half an inch to three or four inches. The limestones are more or less bituminous, and frequently contain chert nodules. Most of their fossils are silicified. The formation underlies a considerable portion of South-western Ontario. Out-crops occur at Port Dover, Port Colborne, Kincardine, Woodstock, St. Mary’s, and other localities. At a point which I have explored more than once near Port Dover, implements occur in considerable numbers, along with fractured or imperfect specimens, mingled with flakes and chippings, evidently indicative of a spot where their manufacture was carried on. At this, and some others of the localities here named, Canadian flint pits may be looked for. Among other objects illustrative of primitive native arts in the Museum of the University of Toronto, is a block of flint or brown chert, from which flakes have been struck off for the use of the native arrow-maker. This flint core was found in a field on Paisley Block, in Guelph Township, along with a large flake, a scraper, and fourteen arrow heads of various sizes, all made from the same material. Alongside of them lay a flint hammer-stone bearing marks of long use. All of those objects are now in the University Museum, and appear to indicate the site of an aboriginal workshop, with one of the tools of the ancient arrow-maker, who there fashioned his implements and weapons, and traded with them to supply the need of the old Huron or Petun Indians of Western Canada. The Spider Islands in Lake Winnipeg, near its outlet, have been noted by Dr. Robert Bell, as a favourite resort of the old workers in flint, where they could trade the products of their industry with parties of Indians passing in their canoes. “I have found,” he says, “a considerable number of new flint implements, all of one pattern, in a grave near one of those sites of an old factory”; the body of a man—presumably the old arrow-maker,—had been buried there in a sitting posture, surrounded with the latest products of his industrious skill.
In 1875 I devoted several weeks to a careful study of some of the principal groups of ancient earthworks in the Ohio valley, and visited Flint Ridge to examine a group of native flint pits in the old Shawnee territory. The Shawnees were formerly a numerous and powerful tribe of Indians; but they took part, in 1763, in the conspiracy of Pontiac, and were nearly exterminated in a battle fought in the vicinity of their old quarries. From these it is probable that the older race of Mound-Builders of the Ohio valley procured the material from which they manufactured many of their implements, including some of those used in the construction of their great earthworks.
Flint Ridge, as the locality is called, a siliceous deposit of the Carboniferous age, extends through the State of Ohio, from Newark to New Lexington. It has been worked at various points in search of the prized material; and the ancient pits can still be recognised over an extensive area by the funnel-shaped hollows, or slighter depressions where the accumulated vegetable mould of many winters has nearly effaced the traces of the old miners. The chert, or hornstone, of this locality accords with that from which the implements recovered from the mounds appear to have been chiefly made. One fact which such disclosures place beyond doubt, namely, that the so-called Mound-Builders had not advanced beyond the stage of flint or stone implements, is of great significance. Their numbers are proved by the extent of their earthworks in many localities in the Ohio valley; and the consequent supply of implements needed by them as builders must have involved a constant demand for the flint-miners and tool-makers. The great earthworks at Newark are among the most extensive structures of this class, covering an area of several miles, and characterised by the perplexing element of elaborate geometrical figures, executed on a gigantic scale by a people still in the primitive stage of stone implements, and yet giving proof of skill fully equalling, in the execution of their geometrical designs, that of the scientific land-surveyor. On this special aspect of the question, it may be well to revert to notes written immediately after a careful survey of the Newark earthworks, so as to suggest more clearly their extent and the consequent number of workmen and of tools in demand for their execution. The sacred enclosures have to be classed apart from the military works of the Mound-Builders. Their elaborate fortifications occupy isolated heights specially adapted for defence, whereas the broad river-terraces have been selected for their religious works. There, on the great unbroken levels, they form groups of symmetrical enclosures, square, circular, elliptical, and octagonal, connected by long parallel avenues, suggesting analogies with the British Avebury, the Breton Carnac, or even with the temples and sphinx-avenues of the Egyptian Karnak and Luxor; but all wrought of earth, with the simple tools made from quartzite, chert, or hornstone, derived from quarries and flint pits, such as those of Flint Ridge, the localities of which have been identified.
For a time the tendency among American archæologists was to exaggerate the antiquity of those works, and to overestimate the artistic skill of their builders. But it now appears that some vague memories of the race have been perpetuated. The traditions of the Delawares preserved the remembrance of the Talligew or Tallegewi, a powerful nation whose western borders extended to the Mississippi, over whom they, in conjunction with the fierce warrior race of Wyandots or Iroquois, triumphed. The old name of the Mound-Builders is believed to survive, in modified form, in that of the Alleghany Mountains and River; and the Chatta-Muskogee tribes, including the Choctaws, Chickasaws, Creeks, and other southern Indians of the same stock, are supposed to represent the ancient race. The broad fertile region stretching southward from the Appalachian Mountains to the Gulf of Mexico must have attracted settlers from earliest times. It was latterly occupied by various tribes of this Chatta-Muskogee stock; but intermingled with others speaking essentially different languages, and supposed to be the descendants of the older occupants of the region on whom the Tallegewi intruded when driven out of the Ohio valley. The Cherokees preserved a tradition of having come from the upper Ohio. They have been classed by the Washington ethnologists as a distant branch of the Iroquois stock; but Mr. Hale, finding their grammar mainly Huron-Iroquois, while their vocabulary is largely derived from another source, ingeniously infers that one portion of the despairing Talligewi may have cast in their lot with the conquering race, as the Tlascalans did with the Spaniards in their war against the Aztecs. Driven down the Mississippi till they reached the country of the Choctaws, they, mingling with friendly tribes, became the founders of the Cherokee nation. Among the older native tribes were the Catawbas and the Natchez. They were sun-worshippers, maintained a perpetual fire, and regarded the great luminary as a goddess, and the mother of their race. It is probable that in their religious rites some memory survived of the more elaborate worship of the old occupants of the Ohio valley; for the Natchez claimed that in their prosperity they numbered five hundred towns, and their northern borders extended to the Ohio.
De Soto traversed the Chatta-Muskogee region, when, in 1540, he discovered the Mississippi. He found there a numerous population lodged in well-constructed dwellings, and with their council-houses surmounting lofty mounds. De Soto and later travellers noted their extensive fields of maize, beans, squashes, and tobacco, and their well-finished flint implements. They were Mound-Builders; and though no longer manifesting in extended geometrical earthworks the special characteristic of the old race, it is assumed that in them we recover traces of the vanished people of the Ohio valley.
With this assignment of the Mound-Builders to an affinity with Indian nations still represented by existing tribes, the vague idea of some strange prehistoric American race of remote antiquity vanishes; and the latter tendency has been rather to underestimate their distinctive peculiarities. Some of these seem to separate them from any Indian tribe of which definite accounts have been preserved; and foremost among them is the evidence of comprehensive design, and of scientific skill in the construction of their sacred enclosures. The predominant impression suggested by the great military earthworks of the Mound-Builders is that of a people co-operating under the guidance of approved leaders, with a view to the defence of large communities. Elaborate fortifications are erected on well-chosen hills or bluffs, and strengthened by ditches, mounds, and complicated approaches; but the lines of earthwork are everywhere adapted to the natural features of the site. The sacred enclosures are, on the contrary, constructed on the level river-terraces with elaborate artificiality of design, but on a scale of magnitude not less imposing than that of the largest hill-forts. On first entering the great circle at Newark, and looking across its broad trench at the lofty embankment overshadowed with tall forest trees, my thoughts reverted to the Antonine vallum, which by like evidence still records the presence of the Roman masters of the world in North Britain 1700 years ago. But after driving over a circuit of several miles, embracing the remarkable earthworks of which that is only a single feature, and satisfying myself by personal observation of the existence of parallel avenues which have been traced for nearly two miles and of the grand oval, circles, and octagon, the smallest of which measures upwards of half a mile in circumference, all idea of mere combined labour is lost in the higher conviction of manifest skill, and even science. The octagon indeed is not a perfect figure. Its angles are not coincident, but the sides are very nearly equal; and the enclosure approaches so closely to an accurate figure that its error is only demonstrated by actual survey. Connected with it by parallel embankments 350 feet long, is a true circle, measuring 2880 feet in circumference; and distant nearly a mile from this, but connected with it by an elaborate series of earthworks, is the great circular structure previously referred to. Its actual form is an ellipse; the different diameters of which are 1250 feet and 1150 feet respectively; and it encloses an area of upwards of 30 acres. At the entrance the enclosing embankment curves outward on either side for a distance of 100 feet, leaving a level way between the ditches, 80 feet wide, and at this point it measures about 30 feet from the bottom of the ditch to the summit. The area of the enclosure is almost perfectly level, so that during rain-floods the water stands at a uniform height nearly to the edge of the ditch.
The skulls of the Mound-Builders have been appealed to for indications of the intellectual capacity of the ancient race; but mounds and earthworks were habitually resorted to at long subsequent dates as favourite places of interment; so that skulls derived from modern graves are ascribed to the ancient race; and much difficulty has been found in agreeing on a typical mound skull. Even after making allowance for modifications due to artificial malformation, and eliminating those derived from superficial interments, a very noticeable diversity is found in the comparatively few undoubtedly genuine mound skulls, which may lend some countenance to the idea of the presence of two essentially distinct races among the ancient settlers in the Ohio valley.[[26]] It seems to accord with the unmistakable traces of intellectual progress of a kind foreign to the attainments of any known race of the North American continent, thus found in association with arts and methods of work not greatly in advance of those of the Indian savage. The only satisfactory solution of the problem seems to present itself in the assumption of the existence among them of a theocratic order, like the priests of ancient Egypt, the Brahmins of India, or the Incas of Peru, under whom the vanished race of the Ohio valley—Tallegewi, Muskogees, Natchez, Alleghans, or other American aborigines,—executed their vast geometrical earthworks with such mathematical accuracy.
The contents of the earthworks of the Ohio and Mississippi valleys show that the copper, found in a pure metallic condition at various points around Lake Superior, was not unknown to their constructors. But in this they had little advantage over the Iroquois and Algonkin tribes, in whose grave mounds copper axes and spear heads occasionally occur. It is even possible that working parties were despatched from time to time to the ancient copper mines on the Kewenaw peninsula, on Lake Superior, to bring back supplies of the prized malleable rock, which could be bent and hammered into shape in a way that no other stone was susceptible of. But the labours of the native miners were inadequate to provide supplies that could in any degree suffice to displace the flint or quartzite of the implement-maker. One use, however, has been suggested for the copper, in relation to the labours of the flint-workers. Mr. George Ercol Sellers, whose researches among the workshops of the ancient tool-makers have thrown much light on their processes, was led, from careful observation of some of their unfinished work, to the opinion that copper was in special request in the operations of the flint-flaker. After referring to the well-known use of horn or bone-flakers, he thus proceeds: “From the narrowness of the cuts in some of the specimens, and the thickness of the stone where they terminate, I have inclined to the belief that, at the period they were made, the aborigines had something stronger than bone to operate with, as I have never been able to imitate some of their deep heavy cuts with it; but I have succeeded by using a copper point, which possesses all the properties of the bone, in holding to its work without slipping, and has the strength for direct thrust required.”[[27]] No copper tool, however, was recovered by Mr. Sellers among the vast accumulations of implements and waste chips, hereafter described, on the sites of the ancient workers’ industrious operations, though some of those found elsewhere may have been used for such a purpose.