public opinion and such a movement for wider cooeperation, the times are
ready.

JOHN H. STOKES.

ROCHESTER, MINN.

CONTENTS

PAGE
CHAPTER I
THE HISTORY OF SYPHILIS 11

CHAPTER II
SYPHILIS AS A SOCIAL PROBLEM 15

CHAPTER III
THE NATURE AND COURSE OF SYPHILIS 21
The Prevalence of Syphilis 24
The Primary Stage 26

CHAPTER IV
THE NATURE AND COURSE OF SYPHILIS (_Continued_) 35
The Secondary Stage 35

CHAPTER V
THE NATURE AND COURSE OF SYPHILIS (_Continued_) 45
Late Syphilis (Tertiary Stage) 45

CHAPTER VI
THE BLOOD TEST FOR SYPHILIS 54

CHAPTER VII
THE TREATMENT OF SYPHILIS 60
General Considerations 60
Mercury 62

CHAPTER VIII
THE TREATMENT OF SYPHILIS (_Continued_) 70
Salvarsan 70

CHAPTER IX
THE CURE OF SYPHILIS 80

CHAPTER X
HEREDITARY SYPHILIS 92

CHAPTER XI
THE TRANSMISSION AND HYGIENE OF SYPHILIS 109

CHAPTER XII
THE TRANSMISSION AND HYGIENE OF SYPHILIS (_Continued_) 121
The Control of Infectiousness in Syphilis 121
Syphilis and Marriage 125

CHAPTER XIII
THE TRANSMISSION AND HYGIENE OF SYPHILIS (_Continued_) 133
Syphilis and Prostitution 133
Personal Hygiene of Syphilis 136

CHAPTER XIV
MENTAL ATTITUDES IN THEIR RELATION TO SYPHILIS 141

CHAPTER XV
MORAL AND PERSONAL PROPHYLAXIS 156

CHAPTER XVI
PUBLIC EFFORT AGAINST SYPHILIS 164

INDEX 187

LIST OF ILLUSTRATIONS

PAGE
PAUL EHRLICH [1854-1915] 69

FRITZ SCHAUDINN [1871-1906] 112

E. ROUX 161

ELIE METCHNIKOFF [1845-1916] 161

The Thir