An introduction to the study of social evolution; the prehistoric period . From Birkner, Der Diinvialo , in Europa. Figure 35. Bone Harpoons and Engravings on Bone of tl,e Magdalenian Epoch. 86 SOCIAL EVOLUTION F. From Purror, UrueschiohtQ des Europiicrs. FicrKE 30. Aborip-inal Man of the Moustovian Epoch. (Designedby Dr. R. Forrer and Leo Schnus). climatic changes and tlie advancing ice slieet. AYiththe tempering of tlie climate the ice sheet melted liack,In its wake, men and animals again pressed north. Itrequired centuries for these changes and the memory andtradition of a northern ha
An introduction to the study of social evolution; the prehistoric period . From Birkner, Der Diinvialo , in Europa. Figure 35. Bone Harpoons and Engravings on Bone of tl,e Magdalenian Epoch. 86 SOCIAL EVOLUTION F. From Purror, UrueschiohtQ des Europiicrs. FicrKE 30. Aborip-inal Man of the Moustovian Epoch. (Designedby Dr. R. Forrer and Leo Schnus). climatic changes and tlie advancing ice slieet. AYiththe tempering of tlie climate the ice sheet melted liack,In its wake, men and animals again pressed north. Itrequired centuries for these changes and the memory andtradition of a northern habitation must have perishedfrom the minds of these primitive folk. In the inter-vening centuries the old cave dwellings were partiallysubmerged by glacial drift so that when the peoplesmoved north again and the old caverns were rediscov-ered, the remains of former haliitation were buried deepbelow the accumulated drift. In this way bv a succes- THE ORIGIN AND ANTIQUITY OF MAN 87 sion of migrations corresponding to climatic changes,remains of limiian habitations accmnulated at differentlevels in the floor sands of these ancient caverns. Wefind at different levels implements, representing by the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsociolo, bookyear1913
