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CONTENTS. 



SECTION I. 

 NORMAL CONDITIONS. 



( 1IA1-TKR PAOE 



INTRODUCTION 1 



I. THE ENDOTHELIUM OF THE FREE SURFACE OF THE SEROUS MEMBRANES 3 

 II. THE CELLULAR ELEMENTS OF THE GROUND-SUBSTANCE . . .11 



III. THE LYMPHATIC VESSELS OF THE SEROUS MEMBRANES . . .31 



a. Lymphatics of the Omentum and the Pleura Mediastini . . 31 



b. The Lymphatic System of the Centrum Tendineum of the 



Diaphragm .......... 41 



c. The Lymphatic Vessels of the Mesentery 47 



tl. Relation of the Lymphatic Vessels to the Surface of the 



Serous Membranes 49 



e. Development of Lymphatic Capillaries 54 



IV. BLOOD-YESSELS OF THE SEROUS MEMBRANES 58 



SECTION II. 



PATHOLOGICAL CONDITIONS. 

 INTRODUCTION 62 



1. THE CHANGES OF THE SUPERFICIAL ENDOTHELIUM . . . .03 



2. ALTERATION OF THE CELLULAR ELEMENTS OF THE MATRIX . . 73 



3. THE BLOOD-VESSELS AND LYMPHATIC VESSELS . . . . .81 



BIBLIOGRAPHY 82 



EXPLANATION OF PLATES 83 



