CONTENTS 



CHAPTER XVI 



PAGE 



THE PLATYHELMIA TURBELLARIA ... 1 



CHAPTER XVII 

 THE PLATYHELMIA TEMNOCEPHALOIDEA . . .43 



CHAPTER XVIII 

 THE PLATYHELMIA TREMATODA . . . . .47 



CHAPTER XIX 



THE PLATYHELMIA CESTOIDEA . . ._ .93 



CHAPTER XX 



APPENDICES TO THE PLATYHELMIA . . .148 



CHAPTER XXI 

 THE NEMERTINI . . . . . .159 



INDEX 197 



