Chapter I.--Cotton Mather and Zabdiel Boylston, 1

II.--Lady Mary Wortley Montagu, 8

III.--Maitland’s Experiments, 12

IV.--The First Opponents of Inoculation, 21

V.--Collapse of Inoculation, 29

VI.--Revival of Inoculation, 36

VII.--Triumph of Inoculation, 45

VIII.--Inoculation Abroad, 56

IX.--Inoculation superseded and suppressed, 66

X.--As to the Prevalence of Smallpox in the 18th Century, 76

II.--VACCINATION.