CONTENTS xy 



CHAPTER PAGE 



physiological characters — Pathogenesis — Pseu- 

 domonas campestris — Synonym — • Morphology — 

 Cultural and physiological characters — Pathogene- 

 sis — Pseudomonas tumefacieus — Sjoionym — Mor- 

 phology and culture, Pathogenesis — Pseudomonas 

 stewartii — Synonym — Pseudomonas juglandis — 

 Pseudomonas medicaginis. 



XXXV. Protozoa Causing Disease — The Genera Babesia, 

 Plasmodium, Centamoeba, Coccidium and Try- 

 panosoma 409 



Classification of the protozoa — Genus Trypanosoma — 

 Disease produced — The genus Entamoeba — The 

 genus Babesia — Babesia bigemina — The genus Plas- 

 modium— The genus Eimeria. 



XXXVI. Infectious Diseases whose Causal Organisms are 



NOT Certainly Known 418 



Smallpox — Chicken pox — Measles — Scarlet fever — In- 

 fantile paralysis — Foot and mouth disease — Rabies 

 or hydrophobia — Hog cholera — Influenza — Swamp 

 fever or infectious anemia — Typhus fever. 



SECTION VI 



SANITARY BACTERIOLOGY 



XXXVII. Bacteriology op Water and Sewage — Sewage Dis- 

 posal 431 



Economic importance of impure water — Methods of 

 determining purity of water — Methods of determin- 

 ing the potability of water — Presumptive tests — 

 Chemical studies of water to determine pollution — 

 Sanitary quality of various waters — Methods of 

 making impure water potable — Self-purification of 

 ■jyater — Coagulation and sedimentation — Chemical 

 treatment — Filtration — Sewage disposal — The rural 

 problem — ^The city problem. 



XXXVIII. Bacteriology of Milk 446 



Fermentative and other changes in milk — Germicidal 

 g^;g^ge — The development of lactic acid — Disappear- 

 ance of the acid — Decomposition of protein — Abnor- 

 mal mUk fermentations — Bacterial infection of milk 

 — Udder infection — Bacteria from body surfaces- 

 Bacteria from the dust — Bacteria from the hands of 

 the milker — Bacteria frona milking vessels — Disease 

 bacteria in milk — Classification of market milk — 

 Certified milk— Uninspected milk— Pasteurized milk. 



Index ^^' 



