CONTENTS xiii 



PART III 



■THE PATHOGENIC PROTOZOA 



CHAPTER XXVI 



PAGE 



PHYLrji IV. Protozoa 311 



General consideration of the Protozoa; Characters differentiating Pro- 

 tozoa from Metazoa; Ameba, its main features for study; Parasitism of 

 the Protozoa; Progress of research; Relationship of arthropods to infection 

 with protozoal diseases; Evolution of pathogenicity in Protozoa; Methods 

 of reproduction in free and parasitic forms; Life history of the malaria or- 

 ganisms; The schizogonic or asexual cycle; The sporogonic or sexual cycle; 

 Classification of pathogenic species. 



CHAPTER XXVII 



The Protozoan Subgroups; Diseases Due to Protozoa 324 



Characteristics of the class Rhizopoda; Infectious entero-hepatitis of tur- 

 keys; Amebic dysentery of man; Characteristics of the class Flagellata; 

 Characteristics of the order Spirochetida; Spirochetosis of poultry; Char- 

 acteristics of the order Trypanosomatida; Parasitism; Transmission of 

 the infecting organisms; Nagana or "fly disease;" Surra, Mai de Caderas; 

 Dourine; Trypanosoma aviericanurn; Characteristics of the class Sporozoa; 

 Characteristics of the order Coccidia; Coccidiosis; Eimeria stiedce; Cocci- 

 diosisof rabbits; Diplospora bigemina; Coccidiosis ot dogs; Coccidium zurni; 

 Red dysentery of cattle; Eimeria avium; Coccidial enteritis of chicks; Char- 

 acteristics of the order Hemosporidia; Piroplasma higeminum; Texas-fever 

 of cattle; Its occurrence; Exposure and development; Its symptoms; The 

 acute type; The chronic type; Prevention and treatment; Characteristics of 

 the order Sarccsporidia; Sarcosporidiosis; Mode of infection. 



Glossary 353 



Index 359 



