TABLE OF CONTENTS. 



CHAPTER I. 



THE MECHANICAL PHENONEMA OF ALIMENTATION. PAGB 



1. The General Functions of the Alimentary Tract 1 



2. Mastication 2 



3. Deglutition 3 



4. The Movements of the Stomach 6 



5. The Passage of Different Foodstuffs from the Stomach 



The Opening and Closing of the Pyloric Sphincter. . 16 



CHAPTER II. 



THE MECHANICAL PHENOMENA OF ALIMENTATION (Continued). 



6. The Movements of the Small Intestine 22 



7. The Movements of the Large Intestine 29 



8. Defaecation 35 



9. The Movement of Food through the Alimentary Tract as 



a Whole 36 



10. The Nervous Control of the Movements of the Alimentary 



Tract 41 



11. On the Action of Saline Cathartics 46 



12. The Fate of Nutrient Enemas 52 



CHAPTER III. 



THE JUICES POURED OUT UPON THE FOOD AND THEIR CHEMICAL CON- 

 STITUENTS. 



1. The Saliva , 62 



2. The Gastric Juice 66 



3. The Pancreatic Juice ^S 



4. The Bile 70 



5. The Intestinal Juice. . , . , 73 



V 



