CONTENTS. 



CHAPTER I. ^*^* 



Fish of the Carboniferous Period 1 



CHAPTER II. 



Fish of the Old Red Sandstone 29 



CHAPTER III. 

 Mesozoic Radiata 45 



CHAPTER IV. 



Palaeozoic Corals and Foraminifera 69 



CHAPTER V. 



Palaeozoic Echinodermata 105 



CHAPTER VI. 



Crustacea , 116 



CHAPTER VII. 



Silurian Radiata 1 54 



CHAPTER VIII. 

 Protozoic Annulata 1 78 



CHAPTER IX. 



Silurian Mollusca ^ 1 80 



