PART III.

CHAP. V. On Vitiated Air 96 CHAP. VI. Air Vitiated by Admixture with Effluvia arising from the Decomposition of Vegetable Matter on the Surface of the Earth 112 CHAP. VII. Malignant Fever 126 CHAP. VIII. General Diseased Condition of the Body, the Product of Malaria 132 CHAP. IX. Other causes of Pestilence—Famine—Unwholesome Food and Drink 140 CHAP. X. Causes of Pestilence continued—Cold, Want of Clothing, and Shelter—Depression of Mind—Influence of Weather, Climate, Habits, &c. 152 CHAP. XI. The Avoidance of Diseases marked with Palpable Contagious Poisons—The Limited Range of Action of Contagion 165 CHAP. XII. The Prevention and Correction of Vitiated Air 172 CHAP. XIII. The Prevention of Vitiated Air in connection with the Disposal of the Dead—Offals—Construction of Towns, Houses, Sewers, &c. 190 CHAP. XIV. Prevention of Disease by an Active and Cheerful State of Mind, Sufficient Clothing, and Wholesome Diet 206

AN INQUIRY, &c.