CONTENTS 



PAGE 



Dissemination , 42 1 



Spore germination 423 



Penetration 427 



Distribution within the host tissues 434 



Spore formation and size 441 



A similar organism 442 



Bacteria in relation to Plasmodiophora Brassicae 443 



Summary 448 



Bibliography 451 



5073-11 



419 



