4 
Page. 
3. The milk supply of cities in relation to the epidemiology of ty- 
phoid FEVER 149 
Milk and other dairy products as factors in spread of infection__ 151 
Ways in which the milk may become infected 152 
At the daify farm 152 
At the dairy _ 1 153 
At the grocery . 154 
At the home 154 
Determination of milk outbreaks 154 
Measures to prevent the dissemination of the infection of 
typhoid fever 15S 
The prevention of the introduction of infection into milk_ 158 
The destruction of infection in milk . 159 
4. Frequency of tubercle bacilli in the market milk of Washing- 
ton, d. c 161 
Introduction 163 
Review of literature 164 
The number of tubercular cows in the dairies supplying Washing- 
ton, D. C 173 
Results of tuberculin tests elsewhere than in herds supplying 
Washington 174 
Characteristics of Rabinowitsch’s butter bacillus - 175 
Collection of samples and technic 177 
Use of tuberculin to eliminate infection with other acid-fast or- 
ganisms 179 
Table of results of autopsies on guinea pigs 179 
Resume i 191 
5. The relation of goat’s milk to the spread of Malta fever 193 
Characteristics of Malta fever 195 
Geographical distribution of the disease 195 
Methods of infection 196 
Epidemiology of Malta fever 199 
Susceptibility of goats to Malta fever 203 
Methods through which the infection is acquired by the goats 203 
Clinical indications of infected animals 203 
Outbreak of Malta fever on the Joshua Nicholson 204 
History of the investigation of the disease at Gibraltar, and pre- 
ventive efforts and legislation . 206 
6. Milk sickness , 209 
Definition 211 
Synonyms 211 
Historical 211 
Distribution 212 
Etiology and pathology 213 
Symptoms 217 
Treatment - 218 
Bibliography 218 
7. Relation of cow’s milk to the zoo-parasitic diseases of man 221 
Remoteness of danger of infection through milk 223 
Methods of possible contamination of the milk with preventive 
measures 223 
Water-born parasites 224 
