vijj CONTENTS 



CHAPTER XXXIV. 



PAGE 



The Pathogenic Fungi and Yeasts (Blastomycetes) Diseases Due to Micro- 

 organisms Not yet Identified . . 433 



CHAPTER XXXV. 



The Bacteriological Examination of Water, Air, and Soil The Contamina- 

 tion and Purification of Water The Disposal of Sewage . . 443 



CHAPTER XXXVI. 



The Bacteriology of Milk in its Relation to Disease . ... 453 



PART III. 



PROTOZOA. 



CHAPTER XXXVII. 



Classification and General Characteristics . . . 469 



CHAPTER XXXVIII. 

 Amoebina .......... . 477 



CHAPTER XXXIX. 



Trypanosoma . . . . . . . . . ' . 482 



CHAPTER XL. 



Malarial Parasitology ..... . 500 



CHAPTER XLI. 



Piroplasma Bigeminum The Microsporidia Balantidium Coli . . .514 



CHAPTER XLII. 



Protozoan-like Bodies in Smallpox and Allied Diseases (Cowpox, Horsepox, 



Sheeppox), and in Scarlet Fever . . 521 



CHAPTER XLIII. 

 Kala-azar Rabies . . . . . . . . . . 529 



APPENDIX. 



Aggressins Experiments Devised by Ehrlich to Show the Nature of Hamo- 

 lysins So-called Ultrarnicroscopic Examination Variation in Suscep- 

 tibility of Guinea-pigs to Diphtheria Toxin Diplobacillus of Morax- 

 Axenfeld Bacteria in Ice Stegomyia Fasciata and its Relation to 

 Yellow Fever . 539 



