CONTENTS 



INTRODUCTION 



PAGE 



F DEFINITION AXD SCOPE OF PALAEONTOLOGY .... 1 



SUB-KINGDOM I. 



PKOTO/OA . . . . . . . . .17 



SUB-KINGDOM II. 

 COELENTEEATA. (Zoophytes) - . . . . . .41 



SUB-KINGDOM III. 



ECHINODERMATA . . . . . . . .122 



SUB-KINGDOM IV. 



YKKMKS. (Worms) . . . . . . . .251 



SUB-KINGDOM V. 



MOLLUSCOIDEA . . . . . . . .257 



SUB-KINGDOM VI. 



MOLLUSCA . . . . . . . .344 



I 



SUB-KINGDOM VII. 



ARTHROPODA. (Articulates) ...... 605 



INDEX 693 



