TABLE OF CONTENTS 



I 

 The Composition of Milk I 



II 

 Explanation. The Babcock Test 5 



III 



Explanation of Boiled Milk Test and Formalde- 

 hyde Test 18 



IV 



Explanation. Mixing Samples of Butter Be- 

 fore Testing- for Fat and Moisture 19 



V 



Explanation. The C. U. Butter Moisture Test 23 



VI 



Explanation. The Specific Gravity of Milk and 



the Lactometer 27 



VII 



Explanation. The Board of Health Lactometer 37 



