Page:The Habitat of the Eurypterida.djvu/9

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CONTENTS
5
The Eurypterid Faunas and their Associated Organisms—continued PAGE
Siluric 84
Lower Siluric (E e1) Fauna of Bohemia 84
Upper Lower Siluric (E e1) of Bohemia 85
Wenlock fauna of Pentland Hills, Scotland 85
Shawangunk Fauna of Eastern North America 86
Pittsford Fauna of New York 86
Bertie Fauna 87
Kokomo Fauna 87
Upper Siluric Fauna of Oesel 87
Temeside Fauna of England 88
Ludlow Fauna of Scotland 88
Lanarkian Fauna of Scotland 90
Devonic 90
Old Red Sandstone Fauna of Scotland 90
 
Chapter IV. The Lithogenesis of the Eurypterid-bearing Beds 93
1. The Belt Terrane 93
2. The Normanskill and Schenectady Beds 96
Summary 100
3. The Shawangunk Conglomerate 100
4. The Pittsford Shale 102
5. The Bertie Waterlime 106
Theories of Origin 108
a. Chemical Origin 108
b. c. Organic Origin 109
d. Clastic origin 109
Summary 117
6. The Kokomo Waterlime 118
7. The Tarannon-Wenlock Beds of Southern Scotland 120
Distribution of Formations 120
The Llandovery-Tarannon 123
Wenlock of the Pentland Hills 131
8. The Upper Siluric of Oesel 140
History of Discoveries 141
General Stratigraphy 143
9. Upper Siluric of Podolia and Galicia 149
10. The Ludlow of England and the Ludlow and Lanarkian of Scotland 151
Introduction 151
The Upper Siluric of England 153
The Ludlow and Lanarkian of Lanarkshire 159
1. The Lesmahagow Inlier 160
2. The Anticline of the Hagshaw Hills 165
11. The Old Red Sandstone 167
History and Subdivisions 167
The Caledonian 172
The Orcadian 176
Theories of Deposition 177