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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: WORKS OF ART IN DANISH PEAT-MOSSES. CHAPTER H. RECENT PERIOD?DANISH PEAT AND SHELL MOUNDS?SWISS LAKE-DWELLINGS. WORKS OF ART IN DANISH PEAT-MOSSES?EEMAINS Of THREE PERIODS OF VEGETATION IN THE PEAT?AGES 01 STONE, BRONZE, AHD IROK? (HELL-MOUNDS OR ANCIENT REFUSE-HEAPS OF TllE DANISH ISLANDS? CHANGE IN GEOGRAPHICAL DISTRIBUTION OF MARINE MOLLU8CA 'i see. THEIR ORIGIN?IMBEDDED REMAINS OF MAMMALIA OF RECENT SPECIES HUMAN SKULLS OF THE SAME PERIOD?SWISS LAKE-DWELLINGS BUILT ON PILES STONE AND BRONZE IMPLEMENTS FOUND IN THEM? FOSSIL CEREALS AND OTHER PLANTS?REMAINS OF MAMMALIA, WILD AJID DOMESTICATED?NO EXTINCT SPECIES CHRONOLOGICAL COMPUTATIONS OF Tiill DATE OF THE BRONZE AND STONE PERIODS IN SWITZERLAND LAKE-DWELLINGS, OR ARTIFICIAL ISLANDS CALLED "CRANNOGE8," IN IRELAND. Works of Art in Danish Peat. TTTHEN treating in the "Principles of Geology" of the changes of the earth which have taken place in comparatively modern times, I have spoken (chap, xlv.) of the imbedding of organic bodies and human remains in peat, and explained under what conditions the growth of that vegetable substance is going on in northern and humid climates. Of late years, sinee I first alluded to the subject, more extensive investigations have been made into the history of the Danish peat-mosses. Of the results of these inquiries I shall give a brief abstract in the present chapter, that we may afterwards compare them with deposits of older date, which throw light on the antiquity of the human race. The deposits of peat in Denmark, varying in depth from An excellent account of these re- and will be found in the Bulletin do la Marches of Danish naturalists and Soci6t6 Vaudoise des Sci. Nat., t. vi. antiquaries has been drawn up by an Lausanne, 1860. able Swiss geologi...