SOME MICRO-ANALYSES OF "MOORLOG." 109 Fig. i. A. Average pollen spectrum of the moorlog samples. B. Early "boreal" spectrum "niveau 80" from Halland, S.W. Sweden. C. "Praeboreal" spectrum ("niveau 89") from Halland. D. "Boreal" spectrum from Northern Scotland and the outlying islands. E. Late "boreal" spectrum ("niveau 61") from Halland. F. Average spectrum from the oldest Danish Stone Age (Mullerup culture), according to figures given by Knud Jessen, 1920.