CONTENTS 



PAGE 



Introduction c c xv 



CHAPTER 



I. The Life of Protozoa . . . . 1 

 History and General Considerations. 

 Anatomy and Physiology. Characteristics 

 of Cysts. Life History. Specificity of 

 Parasite for Host. Resistance and Lii- 

 munity of Hosts. Encystment. Repro- 

 duction. 



II. Dissemination and Prevention of In- 

 fection ....... 22 



HI. The Amoebae 30 



Classification. General Considerations 

 and Morphology. Methods of Examina- 

 tion for Amoebae. 



IV. The Amoebae (Continued) .... 44 

 Endamoeba histolytica. Prevalence, Dis- 

 tribution and Transmission. Experimental 

 Information. Cultivation. Habitat and 

 Effects. Chronic Intestinal Amoebiasis. 

 Acute Amoebic Colitis (Amoebic Dysen- 

 tery). The Stools of Dysentery. Treat- 

 ment. 



V. The Amoebae (Continued) .... 94 

 Endamoeba coli. Morphology. Preva- 

 lence and Importance. Habitat and Ef- 

 fects. Councilmania lafieuri. 

 xi 



37 f^"/ 



