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Languages : en
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Author: A. B. Meyer
Publisher: Forgotten Books
ISBN: 9780332273976
Category : Science
Languages : en
Pages : 580

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Excerpt from The Birds of Celebes and the Neighbouring Islands, Vol. 2: With 28 Coloured Plates Female. Not known to differ from the male. Less grey on the head? Young. Younger birds seem to have less of a grey tinge on the head. Remarks. The above-described male agrees with seven other specimens in the Sarasin Coll. And Dresden Museum from the hill - country of the Minahassa, but the olive tint of the head is duskier and greyer. These differences are probably due to age in part, but very likely in part also to locality. A specimen in the Sarasin Collection from the Lake of Matauna, discovered by the travellers in South-east Central Celebes, does not seem to differ from birds from the North Peninsula. Wing 84 mm. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author: Sidney Dillon Ripley
Publisher: David R. Godine Publisher
ISBN: 9780919880078
Category : Rails (Birds)
Languages : en
Pages : 444

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Author: United States National Museum
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 792

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Author: Martinus Nijhoff Publishers
Publisher:
ISBN:
Category : Booksellers' catalogs
Languages : en
Pages : 460

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Author: United States National Museum
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 884

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Author: British Museum. Department of Printed Books
Publisher:
ISBN:
Category : Best books
Languages : en
Pages : 1032

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Author: John Crerar Library
Publisher:
ISBN:
Category : Bibliographical literature
Languages : en
Pages : 520

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Author:
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Category : Birds
Languages : en
Pages : 512

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Author: Alfred Russel Wallace
Publisher:
ISBN:
Category : Biogeography
Languages : en
Pages : 560

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Wallace's Island Life is one of the foundation works of zoogeography. It focused on the detailed problems of animal dispersal and speciation. Like Darwin, Wallace classified islands as either oceanic (no previous connection to a land mass) or continental (previously connected to a land mass). He considered the means by which each class of island might become colonized, the types of animals most likely to perform the necessary migrations, and the conditions-such as major climactic or geologic change-under which the migrations might have been made. Wallace was the first to use the new knowledge of Pleistocene ice ages to explain certain phenomena of animal distribution, and in Island Life he speculated about the possible causes of glaciation. He was one of the few 19th-century scientists to realize that astronomical causes alone would not suffice, but had to be combined with a corresponding elevation in the northern land mass -- Abe books website.