School and to other friends for aiding us in providing new
illustrations, and for other valuable help, as well as to our publishers
for their generosity in the matter of illustrations.

EDINBURGH,
_March_ 1921.




CONTENTS


PAGE
CHAPTER I
REPAIR 1

CHAPTER II
CONDITIONS WHICH INTERFERE WITH REPAIR 17

CHAPTER III
INFLAMMATION 31

CHAPTER IV
SUPPURATION 45

CHAPTER V
ULCERATION AND ULCERS 68

CHAPTER VI