British Museum guides; vertrbrates

 
9781236358103: British Museum guides; vertrbrates
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 Excerpt: ...one-eighth nat. size. (Wall-case 26.) extremely powerful by consisting of alternate soft and hard plates of tooth-substance, which produce cross-ridges on the crown. The skeletons of the ground-sloths are wonderfully well preserved in the Pampa Formation of the Argentine Republic, and it is the rule rather than the exception to find them whole. Most of them are discovered on the borders of old lakes and rivers, evidently in the position in which the animals suddenly died. They are supposed to have perished in the mud and soft ground when attempting to reach the water to drink during dry seasons; for droughts are common even at the present day in the country where they formerly lived. In the time of the ground-sloths, however, the pampa can scarcely have been the bare plain that it is now; it must have borne forest vegetation. Both human bones and stone implements have occasionally Table-case Table-case been found in the province of Buenos Aires so intimately 15a-associated with remains of the ground-sloths that there can be no doubt as to the survival of these gigantic quadrupeds until the time of man at least in the southern part of South America. The most important discoveries, however, which appear to prove this survival, were made in 1897 and subsequent years by Dr. F. P. Moreno, Dr. R. Hauthal, Baron Erland Nordenskjold, and others, in a cavern near Consuelo Cove, Last Hope Inlet, Patagonia, between the 51st and 52nd degrees of south latitude. Here, in an absolutely dry and powdery deposit on the floor of the large cavern, were found numerous broken bones of several individuals of a ground-sloth, Grypotherium, which was nearly as large as Mylodon and only differed from the latter in minor features. With the bones were several pieces of skin, evidently ...

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Published by RareBooksClub.com (2012)
ISBN 10: 1236358104 ISBN 13: 9781236358103
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Book Description RareBooksClub.com, 2012. Paperback. Condition: New. This item is printed on demand. Seller Inventory # INGM9781236358103

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