IV 



CONTENTS. 



DENDROCCELA. 



Planarid^ 



NEMEaTIDj?! 



27 



28 



GKPIIYRKA 



28 



ANNULATA. 



TUBICOL^ 



Maricol^ 



29 

 31 



CRUSTACEA. 



Pycnogonides 

 Epizoa 



CiRRIPEDIA 



Entomostraca 



Branchiopoda 



Isopoda 



Anisopoda 



Amphipoda 



Stomapoda 



Decapoda 



37 

 38 

 38 

 39 

 39 

 39 

 42 

 44 

 58 

 58 



ALPHABETICAL INDEX 



61 



REFERENCES TO THE FIGURES 



67 



