CONTENTS. 



CHAPTER I. 



CENTRES OF NUTRITION 1 



CHAPTER H. 



THE STRUCTURE AND FUNCTIONS OF THE INTESTINAL VILLI 4 



CHAPTER III. 



ABSORPTION, ULCERATION, AND THE STRUCTURES ENGAGED 



IN THESE PROCESSES 13 



CHAPTER IV. 



THE PROCESS OF ULCERATION IN ARTICULAR CARTILAGES 17 



CHAPTER V. 



SECRETING STRUCTURES 20 



CHAPTER VI. 



THE TESTIS AND ITS STRUCTURE IN THE DECAPODOUS CRUS- 

 TACEA 35 



CHAPTER VII. 



SEROUS MEMBRANES 41 



CHAPTER VIII. 



STRUCTURE OF THE LYMPHATIC GLANDS 44 



CHAPTER IX. 



STRUCTURE OF THE HUMAN PLACENTA . . 50 



