CONTENTS 



Page 



Introduction i 



I. Evolution of the arthropods 6 



II. The nauplius and the metanaupHus 9 



III. Examples of crustacean metamorphoses 13 



Branchiopoda 14 



Ostracoda 17 



Copepoda 20 



Cirripedia 35 



Isopoda 46 



Euphausiacea 52 



Decapoda 54 



Stomatopoda 62 



IV. Structure and evolution of arthropod appendages 65 



References 73 



