Insecta 
Myriapoda 
Arachnida 
Crustacea 
Polychaeta 
Oligochaeta 
Turbellaria 
Cestoda 
CONTENTS 
CHAPTER I 
ARTHROPODA 
A Wasp. 
A BEETLE . 
A Fiy 
A GRASSHOPPER . 
A CATERPILLAR . 
A CENTIPED 
A SPIDER Ss ig clky 
A CRAYFISH OR A LOBSTER. 
A CRAB 
A Sow-Bue 
AN AMPHIPOD 
CAPRELLA . z 
LarRvaL DEcApPopDs . 
A CopEPpoD 
DAPHNIA Ge 
A Naupiius Larva 
CHAPTER II 
ANNELIDA 
NEREIS . 
An EarRTHWORM . 
CHAPTER III 
PLATHELMINTHES 
A PLANARIAN Worm . 
A TAPEWORM . 
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