CONTENTS 



INTRODUCTION 



Definition and Scope of Paleontology 



PACK 

 1 



PHYLUM I. 



Protozoa 



17 



PHYLUM IL 



COELENTERATA (Zoopliytes) . 



46 



PHYLUM m. 



Vermes (Worms) 



135 



PHYLUM IV. 



Echinodermata 



143 



PHYLUM V. 



MOLLUSCOIDEA 



. 314 



PHYLUM VL 



Mollusc A 



421 



PHYLUM VIL 



Arthropod A (Articulates) 



690 



INDEX 



,i=^ 



XI 



823 



