TABLE OF CONTENTS. 



Protozoa or Simplest Animals 

 Introduction 



Gymnomyxa or Rhizopoda 

 Foraminifera or Reticularia 

 Corticata or Infusoria 



PORiFERA (Sponges) 

 Introduction 

 Classification 



Calcarea! (Calcareous sponges) 

 Silicea (Siliceous sponges) 

 Demospongise or common sponges 



Hydrozoa 



Introduction 



Hydroida (Hydroid zoophytes) .. 

 Hydrocorallinse (Coral-like Hydrozoa) . . 

 Medusae (Jelly-fish) 



Anthozoa (Sea-Anemones, Stony Corals, Bark Corals, etc. 



