Rough Stone Monuments and Their Builders

CHAPTER V

Passing now to combinations of menhirs in groups, we must first mention the remarkable alignements of Brittany, of which the most famous are those of Carnac. They run east and west over a distance of 3300 yards, but the line is broken at two points in such a way that the whole forms three groups. The most westerly, that of Ménec, consists of eleven lines of menhirs and a cromlech, the total number of stones standing being 1169, the tallest of which is 13 feet in height. The central group, that of Kermario, consists of 982 stones arranged in ten straight lines, while the most easterly, that of Kerlescan, is formed by 579 menhirs, 39 of which form a rectangular enclosure.

There are other alignements in Brittany, of which the most important is that of Erdeven, comprising 1129 stones arranged in ten lines. Outside Brittany alignements are unusual, but a fine example, now ruined, is said to have existed at Saint Pantaléon north of Autun. In the fields around it are found large quantities of polished stone axes with knives, scrapers, and arrow-heads of flint.

We have already noticed the cromlechs which form part of the alignements of Brittany. There are other examples in France. At Er-Lanic are two circles touching one another, the lower of which is covered by the sea even at low tide. Excavations carried out within the circles brought to light rough pottery and axes of polished stone. Two fine circles at Can de Ceyrac (Gard) have diameters of about 100 yards, and are formed of stones about 3 feet high. Each has a short entrance avenue which narrows as it approaches the circle, and in the centre of each rises a trilithon of rough stones.

Of the definitely sepulchral monuments the dolmen is common in all parts of the French megalithic area. It will suffice to mention the magnificent example known as the Table des Marchands at Locmariaquer. Perhaps the most typical structure in France is the corridor-tomb in which the chamber is indistinguishable from the passage, and the whole forms a long rectangular area. This is the allée couverte in the narrower sense. In the department of Oise occurs a special type of this in which one of the end-slabs has a hole pierced in its centre and is preceded by a small portico consisting of two uprights supporting a roof-slab (Fig 10). A remarkable example in Brittany known as Les Pierres Plates turns at a sharp angle in the middle, and is thus elbow-shaped.

In the north of France the allée is often merely cut out in the surface of the ground and has no roof at all. It is sometimes paved with slabs and divided into two partitions by an upright with a hole in its centre. Tombs of this kind often contain from forty to eighty skeletons, some of which are in the contracted position. The skulls are in some cases trepanned, i.e. small round pieces of the bone have been cut out of them; such pieces are sometimes found separate in the graves. No objects of metal occur in these North French tombs.

There are many fine examples in Brittany of the corridor-tomb with distinct chamber. The best known lies on the island of Gavr'inis (Morbihan). It is covered by a tumulus nearly 200 feet in diameter. The circular chamber, 6 feet in height, is roofed by a huge block measuring 13 feet by 10. The corridor which leads out to the edge of the mound is 40 feet in length. Twenty-two of the upright blocks used in this tomb are almost entirely covered with engraved designs. These are massed together with very little order, the main object having been apparently to cover the whole surface of the stone with ornament. The designs consist of spirals, concentric circles and semicircles, chevrons, rows of strokes, and triangles, and bear a considerable resemblance to those of Lough Crew and New Grange in Ireland.

Another tomb in the same district, that of Mané-er-Hroeck, was intact when discovered in 1863. It contained within its chamber a hoard of 101 axes of fibrolite and jadeite, 50 pebbles of a kind of turquoise known as callaïs, pieces of pottery, flints, and a peculiarly fine celt of jadeite together with a flat ring-shaped club-head of the same stone. The tomb was concealed by a huge oval mound more than 100 yards in length. The famous Mont S. Michel is an artificial mound containing a central megalithic chamber and several smaller cists, some of which held cremated bodies.

A very remarkable mound in Calvados (Fig. 11) was found to contain no less than twelve circular corbelled chambers, each with a separate entrance passage. The megalithic tombs of Brittany all belong to the late neolithic period, and contain tools and arrow-heads of flint, small ornaments of gold, callaïs, and pottery which includes among its forms the bell-shaped cup.

In Central and South France the allées couvertes are mostly of a semi-subterranean type, i.e. they are cut in the ground and merely roofed with slabs of stone. The most famous is that of the Grotte des Fées near Arles (Fig. 12), in which a passage (a) with a staircase at one end and two niches (b b) in its sides leads into a narrow rectangular chamber (c). The total length is nearly 80 feet. Another tomb of the same type, La Grotte du Castellet, contained over a hundred skeletons, together with thirty-three flint arrow or spear-heads, one of which was stuck fast in a human vertebra, a bell-shaped cup, axes of polished stone, beads and pendants of various materials, 114 pieces of callaïs, and a small plaque of gold.

On the plateau of Ger near the town of Dax are large numbers of mounds, some of which contain cremated bodies in urns and others megalithic tombs. Bertrand saw in this a cemetery of two different peoples living side by side. But it has since been shown that the cremation mounds belong to a much later period than those which contain megalithic graves. In these last the skeletons were found seated around the walls of the chamber accompanied by objects of flint and other stone, beads of callaïs, and small gold ornaments.

France has also its rock-hewn tombs, for in the valley of the Petit-Morin is a series of such graves. A trench leads down to the entrance, which is closed by a slab. The chamber itself is completely underground. In the shallower tombs were either two rows of bodies with a passage between or separate layers parted by slabs or strata of sand. In the deeper were seldom more than eight bodies, in the extended or contracted position, with tools and weapons of flint, pots, and beads of amber and of callaïs. On the walls were rough sculptures of human figures (Fig. 13), to which we shall have to return later.

The Channel Islands possess megalithic monuments not unlike those of Brittany. They are corridor-tombs covered with a mound and often surrounded by a circle of stones. Within the chamber, which is usually round, lies, under a layer of shells, a mass of mingled human and animal bones. The bodies had been buried in the sitting position, and with them lay objects of stone and bone, but none of metal.

The Spanish Peninsula abounds in megalithic monuments. With the exception of a few menhirs, whose purpose is uncertain, all are sepulchral. Dolmens and corridor-tombs are numerous in many parts, especially in the north-east provinces, in Galicia, in Andalusia, and, above all, in Portugal. There is a fine dolmen in the Vall Gorguina in North-East Spain. The cover-slab, measuring 10 feet by 8, is supported by seven rough uprights with considerable spaces between them. In the same region is a ruined dolmen surrounded by a circle nearly 90 feet in circumference, consisting of seven large stones, some of which appear to be partly worked. Circles are also found round dolmens in Andalusia. Portugal abounds in fine dolmens both of the round and rectangular types. At Fonte Coberta on the Douro stands a magnificent dolmen known locally as the Moors' House. In the name of the field, Fonte Coberta, there is doubtless an allusion to the belief that the dolmens conceal springs of water, a belief also held in parts of Ireland.

At Eguilaz in the Basque provinces is a fine corridor-tomb, in which a passage 20 feet long, roofed with flat slabs, leads to a rectangular chamber 13 feet by 15 with an immense cover-slab nearly 20 feet in length: the whole was covered with a mound of earth. The chamber contained human bones and "lanceheads of stone and bronze." A famous tomb of a similar type exists at Marcella in Algarve. The chamber is a fine circle of upright slabs. It is paved with stones, and part of its area is divided into two or perhaps three rectangular compartments. A couple of orthostatic slabs form a sort of neck joining the circle to the passage, which narrows as it leads away from the circle, and was probably divided into two sections by a doorway whose side-posts still remain.

In South-East Spain the brothers Siret have found corridor-tombs in which the chamber is cut in the rock surface and roofed with slabs; the entrance passage becomes a slope or a staircase. Here we have a parallel to the Giants' Graves of Sardinia, which are built usually of stone blocks on the surface, but occasionally are cut in the solid rock. Other tombs in the same district show the common megalithic construction consisting of a base course of upright slabs surmounted by several courses of horizontal masonry (Fig. 14). The chamber is usually round, and may have two or more niches in its circumference. It is roofed by the successive overlapping or corbelling of the upper courses. The vault thus formed is further supported by a pillar of wood

or stone set in the centre of the chamber. On the walls of some of the chambers there are traces of rough painting in red. The whole tomb is covered with a circular mound. In the best known example at Los Millares there are remains of a semicircular façade in front of the entrance, as in many other megalithic monuments.

The finest, however, of all the Spanish monuments is the corridor-tomb of Antequera in Andalusia. It consists of a short passage leading into a long rectangular chamber roofed with four slabs. Within it on its axial line are three stone pillars placed directly under the three meeting-points of the four slabs, but quite unnecessary for their support. The whole tomb is covered with a low mound of earth. In the great upright slab which forms the inner end of the chamber is a circular hole rather above the centre.

It is not the plan of this tomb, but the size, that compels the admiration of the beholder. He stands, as it were, within a vast cave lighted only from its narrow end, the roof far above his head. The rough surface of the blocks lends colour to the feeling that this is the work of Nature and not of man. Here, even if not in Stonehenge, he will pause to marvel at the patient energy of the men of old who put together such colossal masses of stone.

Among the corridor-tombs of Spain must be mentioned a wedge-shaped type which bears a close resemblance to those of Munster in Ireland (cf. Fig. 7). In Alemtejo, south of Cape de Sines, are several of these, usually about 6 feet in length, with a slight portico at one end.

A further point of similarity with the Irish monuments is seen in the corridor-tombs of Monte Abrahaõ in Portugal, where the chamber walls seem to have been reinforced by an outer lining of slabs. Remains of eighty human bodies were found in this tomb, together with objects of stone and bone, including a small conical button similar to that of Carrowmore in Ireland.

The Spanish Peninsula also possesses rock-hewn tombs. At Palmella, near Lisbon, is a circular example about 12 feet in diameter preceded by a bell-shaped passage which slopes slightly downwards. Another circular chamber in the same group has a much longer passage, which bulges out into two small rounded antechambers. These tombs have been excavated and yielded some pottery vases, together with objects of copper and beads of a peculiar precious stone called callaïs. All the finds made in the megalithic remains of Spain and Portugal point to the period of transition from the age of stone to that of metal.

The Balearic Islands contain remarkable megalithic monuments. Those known as the talayots are towers having a circular or rarely a square base and sloping slightly inwards as they rise. The largest is 50 feet in diameter. The stones, which are rather large and occasionally trimmed,

are laid flat, not on edge. A doorway just large enough to be entered with comfort leads through the thickness of the wall into a round chamber roofed by corbelling, with the assistance sometimes of one or more pillars. From analogy with the nuraghi of Sardinia, which they resemble rather closely, it seems probable that the talayots are fortified dwellings, perhaps only used in time of danger (Fig. 15).

The naus or navetas are so named from their resemblance to ships. The construction is similar to that of the talayots. The outer wall has a considerable batter. The famous Nau d'Es Tudons is about 36 feet in length. The façade is slightly concave. A low door (a) gives access through a narrow slab-roofed passage (b) to a long rectangular chamber (c), the method of whose roofing is uncertain. All the naus are built with their façades to the south or south-east, with the exception of that of Benigaus Nou, the inner end of which is cut in the rock, while the outer part is built up of blocks as usual. The abnormal orientation was here clearly determined by the desire to make use of the face of rock in the construction. The naus seem to have been tombs, as human remains have been found in them.

Rock-tombs also occur in the islands. The most remarkable are those of S. Vincent in Majorca. One of these has a kind of open antechamber cut in the rock, and is exactly similar in plan to the Grotte des Fées in France (cf. Fig. 12).

Prehistoric villages surrounded by great stone walls can still be traced in the Balearic Isles. The houses were of two types, built either above ground or below. The first are square or rectangular with rounded corners, the base course occasionally consisting of orthostatic slabs. The subterranean dwellings are faced with stone and roofed with flat slabs supported by columns. In each village was one building of a different type. It stood above ground and was semicircular in plan. In its centre stood a horizontal slab laid across the top of an upright, forming a T-shaped structure which helped to support the roof-slabs, but which may also have had some religious significance. The stones which composed it were always carefully worked, and the lower was let into a socket on the under side of the upper.

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CHAPTER VI

Italy cannot be called a country of megalithic monuments. In the centre and north they do not occur, the supposed examples mentioned by Dennis in his Cities and Cemeteries of Etruria having been proved non-existent by the Italian Ministry of Education. It is only in the extreme south-west that megalithic structures appear. They are dolmens of ordinary type, except that in some cases the walls are formed not of upright slabs, but of stones roughly superposed one upon another. On the farm of the Grassi, near Lecce, are what appear to be two small dolmens at a distance of only 4 feet apart; they are perhaps parts of a single corridor-tomb. In the neighbourhood of Tarentum there is a dolmen-tomb approached by a short passage, and at Bisceglie, near Ruvo, there is an even finer example, the discovery of which is one of the most important events which have occurred in Italian prehistoric archæology during the last few years. The tomb is a simple rectangular corridor 36 feet in length, lying east and west. Only one cover-slab, that at the west end, remains, and the exact disposition of the rest of the tomb is uncertain. In one of the side uprights which supports this slab is a circular hole, which, however, seems to be the work of Nature, though its presence may have led to the choice of the stone. The tomb was carefully excavated, and the remains of several skeletons were found, one of which lay in the contracted position on the right side. Three of the skulls were observed by an expert to be dolichocephalic, but their fragile condition prevented the taking of actual measurements. Burnt bones of animals, fragments of pottery, a terra-cotta bead, and a stone pendant were also found, together with flint knives and a fragment of obsidian.

These discoveries show that the heel of Italy fell under the influence which caused the spread of the megalithic monuments, whatever that influence may have been. The same influence may also have been responsible for the bronze age rock-hewn tombs of Matera in the Basilicata, each of which is surrounded by a circle of fairly large stones.

Geographical considerations would lead one to suppose that the same conditions existed in Sicily, and it is possible that this was the case. Yet it is an affirmation which must be made with great reserve. Megalithic monuments in the ordinary sense of the term are unknown in Sicily. There are, however, four tombs in the south-east of the island which show some affinity to megalithic work. Two of these were found by Orsi at Monteracello. They were rectangular chambers built of squared slabs of limestone set on edge. At one end of the finer of the two was a small opening or window cut in the upright slab. This same grave contained a skeleton lying on the right side with the legs slightly contracted. These two tombs can hardly be described as dolmens; they seem to have had no cover-slabs, and the blocks, which were small, were let into the earth, scarcely appearing above the surface. Taken by themselves the Monteracello tombs would hardly prove the presence of the megalithic civilization in Sicily. However, in the valley called Cava Lazzaro there is a rock-hewn tomb where the vertical face of the rock in which the tomb is cut has been shaped into a curved façade, a very usual feature of megalithic architecture. This is ornamented on each side of the entrance of the tomb with four pilasters cut in relief in the solid rock, each pair being connected by a semicircular arch also in relief. On the pilasters is incised a pattern of circles and V-shaped signs. A somewhat similar arrangement of pilasters is seen in two rock-tombs at Cava Lavinaro in the same district. This work forcibly recalls the work of the megalithic builders in the hypogeum of Halsaflieni in Malta (see Chap. VII), and on the façades of the Giants' Tombs in Sardinia (see below). It affords, at any rate, a presumption that in all three islands we have to deal with the same civilization if not the same people.

Such a presumption is not weakened by the fact that in Sicily the usual form of tomb was the rock-hewn sepulchre, which, as will be seen later, is very often a concomitant of the megalithic monument, and in many cases is proved to be the work of the same people. In the early neolithic period in Sicily, called by Orsi the Sicanian Period, rock-hewn tombs seem not to have been used. It is only at the beginning of the metal age that they begin to appear. In this period, the so-called First Siculan, the tomb-chamber was almost always circular or elliptical, entered by a small door or window in the face of the rock. The dead were often seated round the wall of the chamber, evidently engaged in a funerary feast, as is clear from the great vase set in their midst with small cups for ladling out the liquid. A single tomb often contained many bodies, especially in cases where the banquet arrangement was not observed; one chamber held more than a hundred skeletons, and it has been suggested that the bodies were only laid in the tomb after the flesh had been removed from the bones, either artificially or as the result of a temporary burial elsewhere. Such a custom is not unknown in other parts of the megalithic area. With these bodies were found large quantities of painted pottery, a few implements of copper and many of flint. Among the ornaments which the dead carried—for they seem to have been buried in complete costume—were several axe-shaped pendants of polished stone, precisely similar to those of Sardinia, Malta, and France. The most important cemeteries of this period are those of Castelluccio, Melilli, and Monteracello. Near this last site was also found a round hut based on a course of orthostatic slabs of typically megalithic appearance.

In the full bronze age, called the Second Siculan Period, burial in rock-tombs still remained the rule. The tomb-form had developed considerably. The circular type was still usual, though beside it a rectangular form was fast coming into favour. The main chamber often had side-niches, and was usually preceded by a corridor which sometimes passed through an antechamber. Occasionally we find an elaborate open-air court outside the façade of the tomb, built very much after the megalithic style. Large vertical surfaces of rock were carefully sought after for tombs, and the almost inaccessible cliffs of Pantalica and Cassibile are literally honeycombed with them. Where such surfaces of rock were unobtainable a vertical shaft was sunk in the level rock and a chamber was opened off the bottom of it. The tradition of the banquet of the dead is still kept up, but the number of the skeletons in each tomb steadily decreases. The sitting posture is still frequent, though occasionally the body lies flat on one side with the legs slightly contracted. Flint is now rare, but objects of bronze are plentiful. The local painted pottery has almost entirely given place to simpler yet better wares with occasional Mycenean importations.

It is impossible to decide whether this Sicilian civilization ought to be included under the term megalithic. If, as seems probable, the idea of megalithic building was brought to Europe by the immigration of a new race it is possible that a branch of this race entered Sicily. In that case I should prefer to think that they came not at the beginning of the First Siculan Period as we know it, but rather earlier. Certain vases found with neolithic burials in a cave at Villafrati and elsewhere in Sicily resemble the pottery usually found in megalithic tombs; one of them is in fact a bell-shaped cup, a form typical of megalithic pottery. It is thus possible that an immigration of megalithic people into Sicily took place during the stone age, definitely later than the period of the earliest neolithic remains on the island, but earlier than that of such sites as the Castelluccio cemetery. This, however, is and will perhaps remain a mere conjecture, though it is quite possible that there are in the interior of Sicily dolmens which have not yet come to the notice of the archæologist; in this connection it is worth while to remember that up to five years ago the existence of dolmens in both Sardinia and Malta passed unnoticed.

If the inclusion of Sicily in the megalithic area is doubtful there is fortunately no question about the island of Sardinia. Here we have one of the chief strongholds of the megalithic civilization, where the architecture displays its greatest variety and flexibility. The simplest manifestation of megalithic building, the dolmen, was up till lately thought to be absent from Sardinia, but the researches of the last few years have brought to light several examples, of which the best known are those of Birori, where the chamber is approximately circular in plan.

The monuments, however, for which Sardinia is most famous are the nuraghi. A nuraghe is a tower-like structure of truncated conical form, built of large stones laid in comparatively regular courses (Pl. II, Fig. 2). The stones are often artificially squared, and set with a clay mortar. The plan and arrangement of a simple nuraghe are usually as follows (Fig. 17): The diameter of the building is generally under 30 feet. A door of barely comfortable height even for an average man and surmounted by a single lintel-block gives access to a narrow passage cut through the thickness of the wall. In this passage are, to the right, a small niche (c) just large enough to hold

a man, and, on the left, a winding staircase in the wall (d) leading to an upper storey. The passage itself leads into the chamber (a), which is circular, often with two or three side-niches (b b), and roofed by corbelling, i.e. by making each of the upper courses of stones in its wall project inwards over the last. The upper chamber, which is rarely preserved, is similar in form to the lower.

Considerable speculation has been indulged in concerning the purpose of the nuraghi. For many years they were regarded as tombs, a view which was first combated by Nissardi at the International Congress in Rome in 1903. Further exploration since that time has placed it beyond all doubt that the nuraghi were fortified dwellings. The form of the building itself is almost conclusive. The lowness of the door would at once put an enemy at a disadvantage in attempting to enter; it is significant that in the nuraghe of Su Cadalanu, where the doorway was over 6 feet in height, its breadth was so much reduced that it was necessary to enter sideways. Arrangements were made for the closing of the entrance from inside by a heavy slab of stone, often fitted into grooves. The niche on the right of the passage clearly served to hold a man, who would command the passage itself and the staircase to the upper floor; he would, moreover, be able to attack the undefended flank of an enemy entering with his shield on his left arm. To the same effort at impregnability we may safely ascribe the fact that the staircase leading to the upper room did not begin on the floor-level of the passage, but was reached through a hole high up in the wall. Many of the nuraghi are surrounded by elaborate fortifications consisting of walls, towers, and bastions, sometimes built at the same time as the dwelling itself, sometimes added later. Those of Aiga, Losa, and s'Aspru are among the most famous of this type. All the nuraghi stand in commanding situations overlooking large tracts of country, and the more important a position is from the strategical point of view the stronger will be the nuraghe which defends it. All are situated close to streams and springs of good water, and some, as for instance that of Abbameiga, are actually built over a natural spring. At Nossiu is a building which can only be described as a fortress. It consists of a rhomboidal enclosure with nuraghe-like towers at its corners and four narrow gateways in its walls. It is surrounded by the ruins of a village of stone huts. There cannot be the least doubt that in time of danger the inhabitants drove their cattle into the fortified enclosure, entered it themselves, and then closed the gates.

Each nuraghe formed the centre of a group of stone huts. Mackenzie has described such a village at Serucci, where the circular plan of the huts was still visible. The walls in one case stood high enough to show, from the corbelling of their upper courses, that the huts were roofed in the same fashion as the nuraghi themselves. Another village, that which surrounds the nuraghe of Su Chiai, was protected by a wall of huge stones.

It is thus clear that the nuraghi were the fortified centres of the various villages of Sardinia. Probably each formed the residence of the local chieftain; that they were actually inhabited is clear from the remains of everyday life found in them, and from the polish which continual use has set on the side-walls of some of the staircases. In general appearance and design the nuraghi recall the modern truddhi, hundreds of which dot the surface of Apulia and help to beguile the tedium of the railway journey from Brindisi to Foggia. The truddhi, however, are built in steps or terraces and have no upper chamber.

Who were the foes against whom such elaborate preparations for defence were made? Two alternatives are possible. Either Sardinia was a continual prey to some piratical Mediterranean people, or she was divided against herself through the rivalry of the local chieftains.

The second explanation is perhaps the more probable. Mackenzie seems to adopt it, and fancies that in the growth of the largest nuraghi we may trace the rise to power of some of these local dynasts at the expense of their neighbours. He suggests that the existence of the fortified enclosure of Nossiu, where there is no sign of a true nuraghe, may mean that there were certain communities which succeeded in maintaining their independence in the face of these powerful rulers. But here, as he himself is the first to admit, we are in the realm of pure conjecture.

It is now established that in the Giants' Tombs of Sardinia we are to see the graves of the inhabitants of the nuraghe villages. Every Giant's Tomb lies close to such a village, and almost every village has its Giants' Tombs, one or more in number according to its size. A Giant's Tomb consists of a long rectangular chamber of upright slabs roofed by corbelled masonry (Fig. 18). The slab which closes one end of the tomb is of great size, and consists of a lower rectangular half with a small hole at the base and an upper part shaped like a rounded gable. There is a raised border to the whole slab, and a similar band in relief marks out the two halves. This front slab forms the centre-piece in a curved façade of upright slabs. The chamber is covered with a coating of ashlar masonry, which is shaped into an apsidal form at the end opposite to the façade. Occasionally more than 50 feet in length, the Giants' Tombs served as graves for whole families, or even for whole villages. Mackenzie has shown that the form is derived from the simple dolmen, and has pointed out several of the intermediate stages.

The inhabitants of Sardinia in the megalithic period also buried their dead in rock-hewn sepulchres, of which there are numerous examples at Anghelu Ruju. The contents of these graves make it clear that they are the work of the same people as the Giants' Graves. Were further proof needed it could be afforded by a grave at Molafà, where a Giant's Grave with its façade and gabled slab has been faithfully imitated in the solid rock. There is a similar tomb at St. George. Two natural caves in Cape Sant' Elia on the south of the island contain burials of this same period.

The neighbouring island of Corsica also contains important megalithic remains. They consist of thirteen dolmens, forty-one menhirs, two alignements, and a cromlech. They fall geographically into two groups, one in the extreme north and the other in the extreme south of the island.

The stones used are chiefly granite and gneiss. The dolmens, which are of carefully chosen flat blocks showing no trace of work, are all rectangular in plan, and usually consist of four side-walls and a cover-slab. The finest of all, however, the dolmen of Fontanaccia, has seven blocks supporting the cover, one at each short end, three in one of the long sides, and two in the other. None of the dolmens are covered by mounds.

Of the alignements, that of Caouria seems to consist, in part at least, of two parallel lines of menhirs, the rest of the plan being uncertain. There are still thirty-two blocks, of which six have fallen. The other alignement, that of Rinaiou, consists of seven menhirs set in a straight line. The cromlech is circular and stands on Cape Corse.

On the small island of Pianosa, near Elba, are several rock-hewn tombs of the æneolithic period which ought perhaps to be classed with the megalithic monuments of Sardinia and Corsica.

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CHAPTER VII

North Africa is a great stronghold of the megalithic civilization, indeed it is thought by some that it is the area in which megalithic building originated. Morocco, Tunis, Algeria, and Tripoli all abound in dolmens and other monuments. Even in the Nile Valley they occur, for what looks like a dolmen surrounded by a circle was discovered by de Morgan in the desert near Edfu, and Wilson and Felkin describe a number of simple dolmens which exist near Ladò in the Sudan. Tripoli remains as yet comparatively unexplored. The traveller Barth speaks of stone circles near Mourzouk and near the town of Tripoli. The great trilithons (senams) with holes pierced in their uprights and 'altar tables' at their base, which Barth, followed by Cooper in his Hill of the Graces, described as megalithic monuments, have been shown to be nothing more than olive-presses, the 'altar tables' being the slabs over which the oil ran off as it descended. True dolmens do, however, occur in Tripoli, and Cooper figures a fine monument at Messa in the Cyrenaica, which appears to consist of a single straight line of tall uprights with a continuous entablature of blocks similar to that of the outer circle at Stonehenge.

Algeria has been far more completely explored, and possesses a remarkable number of megalithic monuments. Many of the finest are situated near the town of Constantine. Thus at Bou Nouara there is a hill about a mile in length which is a regular necropolis of dolmen-tombs. Each grave consists of a dolmen within a circle of stones. The blocks are all natural and completely unworked. The circle consists of a wall of stone blocks so built as to neutralize the slope of the hill and to form a level platform for the dolmen. Thus on the lower side there are three courses of carefully laid stones rising to about five feet, while on the upper side there is only one course. The diameter of the circles varies from 22 to 33 feet. In the centre of the circle lies the dolmen with its single long cover-slab. This usually rests on two entire side-slabs, the ends being filled up either with entire slabs or with masonry of small stones. In rare cases the side-slabs are replaced by masonry walls. The average size of the cover-slab is 6½ by 5 feet. The dolmen itself is, of course, built directly on to the platform, and the space between it and the circle is filled up with rough stones. The orientation of the dolmens varied considerably, but the cover-slab was never placed in such a way that its length ran up the hill-slope, probably because in moving the slab into place this would have been an awkward position.

Another equally fine site is that of Bou Merzoug, near Oulad Rahmoun, about an hour's railway journey from Constantine. The place is naturally adapted for a settlement as there is a spring of water there. This spring was later utilized by the Romans to provide water for the city of Cirta. The dolmen-graves lie in great numbers on the hill at the foot of which the spring rises, and extend down into the valley. Each dolmen lies in the centre of a stone circle. This last is in some cases formed by very large slabs set on edge, but more often by two or three courses of rough oblong blocks. Many of the graves are badly damaged. One of the finest had an outer circle about 27 feet in diameter, and an inner circle 14 feet in diameter. Between these two a third circle, much more irregular and of small stones, could just be distinguished. But in most cases it was impossible to make out clearly more than the one outer circle and the dolmen within it. The dolmen itself consisted of a large slab resting on walls formed of several large blocks, the spaces between which were filled up with smaller stones. None of the stones used were worked. The dolmens were not oriented according to any fixed system. M. Féraud states that the separate graves were united together by open corridors formed by double or triple rows of large stones, but no traces of such a system could be found by the later visitors to the site, Messrs. MacIver and Wilkin.

Fortunately we have some record of what these graves contained, for thirteen were opened by Mr. Christy and M. Féraud. One contained a human skeleton in good condition, buried in the contracted position with the knees to chin and arms crossed. With this were two whole vases, fragments of others, and pieces of cedar wood. At the feet of the skeleton were two human heads, and as the graves would not have accommodated more than one whole body M. Féraud suggests that these belong to decapitated victims. Another grave contained, in addition to human bones, those of a horse, together with three objects of copper, viz. a ring, an earring, and a buckle. In another were found the teeth and bones of a horse and an iron bit.

An entirely different type of monument is found near Msila, south-west of Algiers. Here is a long low hill called the Senâm, covered with large numbers of stone circles. These consist of large slabs of natural limestone set up on edge and not very closely fitted. The height of the slabs varies from 2 to 3 feet, and the diameters of the three still perfect circles are 23½, 26¾, and 34⅓ feet respectively. At a point roughly south-east there is a break in the circumference, filled by a rectangular niche (Fig. 19) consisting of three large slabs, and varying in width from 2 ft. 6 in. to 6 feet. There is a possibility that the niches were originally roofed, but the evidence on this point is far from conclusive. The interior of the circle is filled with blocks of stone, apparently heaped up without any definite plan. There seems to be no clue as to the meaning of these circles, as none have as yet been explored. MacIver and Wilkin are probably right in classing them as graves.