PLATE 7. PRIMITIVE CONDITIONS IN THE MILK INDUSTRY 

 Children entrusted with the important work of washing milk bottles, in a 

 shed which is a mere apology for a dairy house. (Bull. 56, U. S. Hygienic 

 Laboratory.) 



A milk house inviting dirt and rubbish and used as a repository for miscel- 

 laneous objects. (Bull. 56, U. S. Hygienic Laboratory.) 



