The Antecedent Argument in behalf of Developments in Christian Doctrine 55 Section 1. Developments to be expected 55 Section 2. An infallible Developing Authority to be expected 75 Section 3. The existing Developments of Doctrine the probable Fulfilment of that Expectation 92 CHAPTER III. The Historical Argument in behalf of the existing Developments 99 Section 1. Method of Proof 99 Section 2. State of the Evidence 110 CHAPTER IV. Instances in Illustration 122 Section 1. Instances cursorily noticed 123 § 1. Canon of the New Testament 123 § 2. Original Sin 126 § 3. Infant Baptism 127 § 4. Communion in one kind 129 § 5. The Homoüsion 133 Section 2. Our Lord's Incarnation, and the dignity of His Mother and of all Saints 135 Section 3. Papal Supremacy 148 PART II. DOCTRINAL DEVELOPMENTS VIEWED RELATIVELY TO DOCTRINAL CORRUPTIONS. CHAPTER V. Genuine Developments contrasted with Corruptions 169 Section 1. First Note of a genuine Development of an Idea: Preservation of its Type 171 Section 2. Second Note: Continuity of its Principles 178 Section 3. Third Note: Its Power of Assimilation 185 Section 4. Fourth Note: Its Logical Sequence 189 Section 5. Fifth Note: Anticipation of its Future 195 Section 6. Sixth Note: Conservative Action upon its Past 199 Section 7. Seventh Note: Its Chronic Vigour 203 CHAPTER VI. Application of the First Note of a true Development to the Existing Developments of Christian Doctrine: Preservation of its Type 207 Section 1. The Church of the First Centuries 208 Section 2. The Church of the Fourth Century 248 Section 3. The Church of the Fifth and Sixth Centuries 273 CHAPTER VII.