CONTENTS 



I'rct'iui' i 



CHAI'iKH I 



Introduction 1 



(Tlossarv 2 



Bibliography 3 



CHAPTER II 



Cvtologv 4 



"I'l-oniitosis" -l 



"Akdrvote" stage 10 



Mciosis 12 



Schizogony and Cleavage 14 



CHAPTER III 



Sexiialitv and Alternation of Generations 15 



I'liisinodiophora 15 



Tetramyxa 16 



Sorosphaera 16 



Sorodiscns 18 



Spongospora 18 



Ligriicra 18 



Pnlijmi/.ra aiiiJ Ortoiiiij.ra 18 



Bibliogra])hy 20 



CHAPTER IV 



Classification and Discnjjtion of Species 20 



Key to genera 22 



Plasmodiophora 22 



Biological races 26 



Reliition to bacteria 26 



Relation to cancer 28 



Bibliography .'J.'j 



Excluded species '.H 



Bibliography .■J6 



Vll 



5755H 



