CONTENTS BOOK I CONTAGION PREFACE & 4 » $ V s s t ? INTRODUCTION . i , d . », » 4 , CHAPTER [ L—WHAT Is CONTAGION? — . c 8 , ï II.—TH£E FUNDAMENTAL DIFFERENCES IN CONTAGIONS 8 III.—CoxTrAGroN THAT INFECTS B7 CoNTAcCT ONLy IV.—CoxNTAGION THAT INFECTS By FOMES & , , V.—CONTAGION AT A DISTANCE VI.—THE CAUSE oF CONTAGION AT A DISTANCE NOT TO BE REFERRED To OccuLT PROPERTIES VII.——How THE GERMS oF CONTAGIONS ARE CARRIED TO A DISTANT OBJECT AND IN A CIRCLE VIII.—THE ANALOGT oF CONTAGIONS IX.—Is EvERVT CoNTAGION A KIND oF PUTREFACTION? X.—WHy SOME DISEASES ARE CONTAGIOUS, OTHERS NorT, AND WwHyT MILD DISEASES ARE CONTAGIOUS XI.—How Is CoNTAGION RELATED To POISONS, AND HOw DoEs IT DIFFER FROM THEM? XII.—OTHER DIFFERENTIAE OF CONTAGIONS , $ XIII.—THE SIGNS oF CONTAGIONS ; ;, 4 f Q ly PAGE iii 13 19 23 29 39 41 45 49 53 65