CONTENTS, 



PAGE 



Chapter I. — Introduction ' ... 1 



Chaptkr II.— Historical 3 



Chapter III.— Previous Theories as to the Function of the 



Tonsils and of the Appendix 6 



Cjiapter IV. — General Question of Immunity 12 



Chapter V. — Healthily Acquired Immunity 13 



Chapter VI. — Alimentary Immunity 17 



Chapter VII.- Distribution of the Subepithelial Lymphatic 



Glands in Man 19 



Chapter VIII. — Comparative Anatomy of the Subepithelial 



Lymphatic Glands ... • 27 



Chapter IX.— Structure of the Subepithelial Lymphatic 



Glands 46 



Chapter X. — The Rabbit's Appendix ... 51 



Chapter XI. — Life History of the Subepithelial Lymphatic 



Glands ... 56 



Chapter XII.— Presence of Bacteria in the Subepithelial 



Lymphatic Glands 60 



Chapter XIII. — Mode of Ingestion of Bacteria by the 



Subepithelial Lymphatic Glands 67 



Chapter XIV. — Pathology of the Subepithelial Lymphatic 



Glands 73 



Chapter XV. — Acute Inflammations of the Subepithelial 



Lymphatic Glands 78 



Chapter XVI. — Simple Enlargement or Hyperplasia of the 



Subepithelial Lymphatic Glands 88 



Chapter XVII. — Other Diseases of the Subepithelial 



Lymphatic Glands 91 



Chapter XVIII. — Therapeutic Bearing 93 



Chapter XIX. — Some General Considerations 99 



Chapter XX. — Resume of the Hypothesis and Summary of the 



Evidence for and against 103 



Bibliography and Index of Names Ill 



Subject Index tf? ff 117 



vii. 



