CONTENTS 



PAGE 



PREFACE v 



CHAPTER I. 



FOUNDATIONS. Meaning of the term protist The cell-theory Chroniidia 

 Plasson Filtrable viruses Protoplasmic motion Culture of metazoan 

 cells and tissues Chromatin and nuclei Intra vital staining Medicine a 

 branch of biology Taxonomy Terminology Nomenclature 



CHAPTER II. 



SOME ALGAL AND FUNGAL PROTISTS. Algae Ulothrix zonata Vaucheria 

 sessilis Cystococcus humicola Bhodochytrium spilanthidis Fungi 

 Saprolengia Besting conidia Biologic forms of fungi Parasites of 

 Saprolegnia Peronosporeae Pythium Parasites of Pythium Pythium 

 debaryanum Nuclear processes in Pythium Phytophthora infestans 

 Cystopus candidus Details of structure in oospores Nuclear processes of 

 Cystopus Equivalence of a gerni-hypha to a brood of zoospores Zygo- 

 mycetes Gemmae Parasitic mucors Nuclei of Mucor Some features of 

 parasitic fungi Symbiosis Mitochondria 22 



CHAPTEE III. 



CHYTRIDIINEAE. The genus Chytridium Bhizidiaceae Polyphagus englenae 

 Cladochytriaceae Olpidiaceae Plasmodium-formation Sorus-formation 

 Course of the disease Olpidiopsis Nuclear processes in Olpidiopsis 

 Sphaerita endogena Synchytriaceae The life-cycle of synchytrians 

 Synchytriurn stellariae ibid, succisae ibid, endobioticum . ... 54 



ix 



