(1) Acute Diffuse Fulminating Type.

(2) Localization and Necrotization of the Pneumonic Process.

(3) Organization of the Bronchiolar and Pneumonic Processes.

II. Influence of the Respiratory Complications of Influenza upon Tuberculosis of the Lung.

III. Extrarespiratory Lesions in Influenza.

(A) Lesions of the Hematopoietic System.

(B) Lesions of the Vascular System, Parenchymatous Organs, Alimentary Tract, and in the Walls of Other Hollow Viscera.

(C) Miscellaneous Lesions.

IV. Comparison between the Respiratory Lesions of Influenza and those Initiated by the Inhalation of Poisonous Gases with Special Reference to:—

(A) The Inflammatory Response versus the Systemic Capacity to Compensate.