CONTENTS. 



CHAPTER I. 



Secretion of Milk. 



Milk defined — Mammary glands— Udder — Internal structure of 

 udder and teats —Ultimate follicle — Secretion of milk— In- 

 centives to secretion — Amount and duration of flow — Effect 

 of succeeding pregnancy — Incomplete removal of milk — Reg- 

 ularity and frequency of milking — Control of animal over 

 secretion. 



Pages 1-15 



CHAPTER II. 



Composition of Milk. 



Milk constituents — Colostrum — Specific gravity — The fats— The 

 volatile fats — The non-volatile fats — The albuminoids — The 

 sugar — The ash — Other constituents — Variations in quality 

 of milk. 



Pages 16-34 



CHAPTER III. 



The Testing of Milk. 



Gravimetric analysis — History of milk tests — Cream gauges — 

 Specific gravity — Lactometers — Churn tests — Lactobutyro - 

 meter — Pioseope — Lactoscope — Soxhlet's method — Lacto- 

 crite — Fjord's control apparatus — Milk tests in the United 

 States — Short's method — Method of Failyer and Willard — 



