Received Classification and Nomenclature defective 60 What is really meant by Genera and Species of Fever 70 True Principle of Arrangement 71 CHAPTER III. Of Synochus 77 Division into Synochus Mitior and Gravior 77 Succession of Phenomena in Synochus Mitior 78 Indications afforded of Disease in the Nervous, Circulating, Secreting, and Excreting Systems 81 Progress of Disease consists in progressive Increase in the Derangement of these Functions 85 Phenomena of Recovery 91 On what the Transition of Synochus Mitior into Synochus Gravior depends 93 Classification according to the different Organs in which the several Affections have their Seat 95 Synochus Gravior with Cerebral Affection 96 Subacute Cerebral Affection 96 Acute Cerebral Affection 107 Cases illustrating Synochus Mitior 112 Cases illustrating Synochus Gravior with Subacute Cerebral Affection 114 Cases illustrating Synochus Gravior with Acute Cerebral Affection 116 Synochus Gravior with Thoracic Affection 120 Cases illustrating Thoracic Affection 123 Synochus Gravior with Abdominal Affection 128 Cases illustrating Abdominal Affection 137 Synochus Gravior with Mixed Affection 142 CHAPTER IV. Of Typhus 148 Division into Typhus Mitior and Gravior 149 Typhus Mitior, with Subacute Cerebral Affection 149 Cases illustrating Subacute Cerebral Affection 155 Typhus Mitior, with Thoracic Affection 157 Typhus Mitior, Cases illustrating Affection 159 With Abdominal Affection 161 With Mixed Affection 162 Typhus Gravior 162 In what it really consists 162 Dangerous nature of the Error that it consists in Debility 164 CHAPTER V. Of Scarlatina 168