LIST OF ILLUSTRATIONS. 



Cape Trinity on the Snguenay ..... Frontispiece 



Folding of the Earth's Crust . . .... To face 9 



Cambro-Silurian Sponges ...... ,, 39 



Map of the North Atlantic ,, 57 



Nature-print of Eozoon ,, 95 



Laurentian Hills, Lower St. Lawrence 100 



Section from Petite Nation Seigniory to St. Jerome . . . 101 



The Laurentian Nucleus of the American Continent . . . 103 



Attitude of Limestone at St. Pierre 109 



Weathered Eozoon and Canals To face 112 



U3 



Group of Canals in Eozoon .115 



Amoeba and Actinophrys 119 



Minute Foraminiferal Forms 123 



Section of a Nummulite 127 



Portion of Shell of Calcarina 128 



Weathered Eozoon with Oscular tubes .... To face 135 

 Diagram showing different States of Fossilization of a Cell of a 



Tabulate Coral 139 



Slice of Crystalline Lower Silurian Limestone . . . .141 



Walls of Eozoon penetrated with Canals . . . . .141 



Joint of a Crinoid .......... 145 



Shell from a Silurian Limestone, Wales ...... 146 



Casts of Canals of Eozoon in Serpentine 147 



Canals of Eozoon 147 



Primordial Trilobites To face 169 



Primitive Fishes ,, i84 



Devonian Forest . ,, 201 



Coal Section in Nova Scotia 233 



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