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OF THE FIRST VOLUME.

THE PRINCIPLES AND GENERAL PHENOMENA OF DISTRIBUTION.

INTRODUCTORY.

THE MEANS OF DISPERSAL AND THE MIGRATIONS OF ANIMALS.

Means of Dispersal of Mammalia --Climate as a Limit to the Range of Mammals --Valleys and Rivers as Barriers to Mammals -- Arms of the Sea as Barriers to Mammals --Ice-floes and drift-wood as aiding the Dispersal of Mammals --Means of Dispersal of Birds --Dispersal of Birds by Winds --Barriers to the Dispersal of Birds --The Phenomena of Migration --Migrations of Birds --General remarks on Migration --Means of Dispersal of Reptiles and Amphibia --Means of Dispersal of Fishes -- Means of Dispersal of Mollusca --Means of Dispersal of Insects and the Barriers which limit their Range 10-34

DISTRIBUTION AS AFFECTED BY THE CONDITIONS AND CHANGES OF THE EARTH'S SURFACE.

Land and Water --Continental Areas --Recent Changes in the Continental Areas --The Glacial Epoch as affecting the Distribution of Animals --Changes of Vegetation as affecting the Distribution of Animals --Organic Changes as affecting Distribution 35-49

ON ZOOLOGICAL REGIONS.

Principles upon which Zoological Regions should be formed --Which class of Animals is of most importance in determining Zoological Regions --Various Zoological Regions proposed since 1857 -- Discussion of proposed Regions --Reasons for adopting the Six Regions first proposed by Mr. Sclater --Objections to the system of Circumpolar Zones --Does the Arctic Fauna characterise an independent Region --Palaearctic Region --Ethiopian Region --Oriental Region --Australian Region --Neotropical Region --Nearctic Region --Observations on the series of Sub-regions 50-82

CLASSIFICATION AS AFFECTING THE STUDY OF GEOGRAPHICAL DISTRIBUTION.

Classification of the Mammalia --Classification of Birds -- Classification of Reptiles --Classification of Amphibia -- Classification of Fishes --Classification of Insects -- Classification of Mollusca 83-104

ON THE DISTRIBUTION OF EXTINCT ANIMALS.


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