Page:The Habitat of the Eurypterida.djvu/8

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CONTENTS
PAGE
Australia 35
Siluric 35
Upper Siluric 35
Germany 35
Carbonic 35
Middle Saarbrüicker 35
South America 36
Carbonic 36
Coal Measures of Brazil 36
Africa 36
Devonic 36
Witteberg series 36
Portugal 37
Permic 37
Summary Tables 37
Table I. Geological and Geographical Distribution of the Eurypterida throughout the World 37
Table II. Summary of the Geological and Geographical Distribution of the Eurypterida throughout the World 37
Table III. Summary of the Distribution, Facies and Mode of Occurrence of the Eurypterida 38
Synonymy 50
 
Chapter II. A Résumé of the Opinions on the Habitat of the Eurypterida 52
 
Chapter III. The Bionomy of the Eurypterid Faunas 64
Introduction 64
Classification of Recent Aqueous Habitats 65
Classification of Aqueous Bionomic Realms According to Salinity 66
Recent Aquatic Faunas 67
Marine 67
Fresh Water 69
Table Showing Number of Genera and Species of Mollusca in Various Bionomic Realms 69
Brackish Water 70
The Baltic Sea 70
Comparative Number of Species of Invertebrates in the Baltic, etc. 72
The Severn Estuary 73
Summary of Faunal Criteria for Determining the Type of an Aqueous Habitat 76
Application to the Past 77
Marine Deposits and Faunas 78
Fluviatile Deposits and Faunas 79
Brackish Water and Estuarine Deposits and Faunas 83
The Eurypterid Faunas and their Associated Organisms 84
Ordovicic 84
Normanskill Fauna 84
Schenectady Fauna 84