364 BIOLOGY AND HUMAN LIFE 



REFERENCE READINGS 



Hough and Sedgwick. The Human Mechanism, chap, xxxi, Public 



Health; chap, xxxiv, Public Supplies: chap, xxxv, Traveling and 



Public Places; chap, xxxvi, Public Protection. 

 United States Department of Agriculture (Office of Secretary). Cir- 

 cular 21, Foods and Drugs Act. 

 United States Department of Agriculture. Yearbook for 1916. Reprint 



714, Meat Inspection Service. 

 United States Department of Agriculture. Regulations governing Meat 



Inspection. 

 United States Department of Agriculture. Bulletin 585, Guide for 



Formulating Milk Ordinances. 

 United States Department of Agriculture. Circular 276, Inspection of 



Milk Supplies. 

 Public Health Reprint 192, Bacteriological Standards for Milk. 

 PubHc Health Reprint 504, Treatment of Sewage for Single Houses and 



Small Communities. 

 PubHc Health Reprint 385, Laundries and the Public Health. 

 Pubhc Health Reprint 821, Changes in a Small Town brought about by 



a Health Officer. 

 Public Health Reprint 827, Progress in Health Conservation during the 



Past Fifty Years. 



