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in different parts of the world, of the men who constructed them, and of the great arch?ological system of which they form a part. It is hoped that to the arch?ologist it may
urpation is justified by the magnificence and the intrinsic interest of their megalithic buildings. Being of singularly complicated types and remarkably well preserved they naturally tell us much more of their builders than do the simpler monuments
to follow out the subject in greater detail a
ociety of Antiquaries for Figures 1 and 3, the Reale Accademia dei Lincei for Figures 17 and 20, and the Société préhistorique de France, through Dr. Marcel Baudouin, for Figure 10. I am indebted to the Royal Irish Academy for Figure 8, to the Committee of the British School of Rome for Figure 18, and to Dr. Albert Mayr and the Akademie der Wissensc
F. F. Grensted for much help with regard to the
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