12. Plan of La Grotte des Fées, Arles, France 65
13. The so-called dolmen-deity, Petit Morin, France 66
14. Plan of corridor-tomb at Los Millares, Spain 69
15. Section and plan of a _talayot_, Majorca 72
16. Section and plan of the _nau_ d'Es Tudons 73
17. Elevation, section and plan of a Sardinian _nuraghe_ 83
18. Plan of Giant's Tomb at Muraguada, Sardinia 87
19. Plan of stone circle at the Senâm, Algeria 94
20. Plan of the Sese Grande, Pantelleria 97
21. Plan of the Sanctuary of Mnaidra, Malta 99
22. Dolmen with holed stone at Ala Safat 115





ROUGH STONE MONUMENTS

CHAPTER I

INTRODUCTION


To the south of Salisbury Plain, about two miles west of the small
country town of Amesbury, lies the great stone circle of Stonehenge. For
centuries it has been an object of wonder and admiration, and even
to-day it is one of the sights of our country. Perhaps, however, few of
those who have heard of Stonehenge or even of those who have visited it
are aware that it is but a unit in a vast crowd of megalithic monuments
which, in space, extends from the west of Europe to India, and, in time,