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Paos 



Introduction 1 



PART I. Description of the Strata 13 



The Alluvial Covering , 14 



The Chalk 46 



The Upper Shale 55 



The Oolite 61 



Limestone and Calcareous Sandstone 70 



The Second Shale 79 



Ironstone and Sandstone 90 



Blue Limestone 96 



Sandstone, Shale, and Coal 109 



The Great Beds of Alum Shale 127 



Red Sandstone with Gypsum 160 



Magnesian Limestone 169 



The Basaltic Dyke 171 



PART IL Organic Remains 177 



Vegetable Remains 179 



Zoophytes 193 



Echinites 205 



