D. - Of the Lungs. Introduction, as to structure. I. Malformations. II. Atelectasis and Collapse. III. Hypertrophy. IV. Pulmonary Emphysema, 1. Interlobular; 2. Vesicular; causation, either substantive or complementary; anatomical changes, involving atrophy; effects of emphysema. V. Disorders of Circulation. 1. Active hyperemia; 2. Passive hypenemia, chiefly from cardiac lesions and hypostatic; leads to oedema; 3. Embolism; 4. haemorrhage; the Infarction, etc. VI. Inflammations. General observations. 1. Acute lobar pneumonia; causation; epidemic prevalence. Stages of Engorgement, Red and Grey Hepatization, and Resolution; occasional Purulent infiltration, etc.; Condition of pleura; 2. Acute broncho-pneumonia or capillary bronchitis; 3. Septic Broncho-pneumonia; 4. Diphtheritic pneumonia; 5. Embolic pneumonia; 6. Chronic pneumonia, characterized by induration. VII. Gangrene. VIII. Phthisis pulmonalis. 1. Definition and historical resume; 2. Causation; 3. Anatomical changes in (a) Caseous form, and (b) Fibroid form; 4. Extension of the tuberculosis; 5. Healing process; 6. haemorrhage, (a) early, and (b) late; 7. Condition of pleura - pleurisy and pneumothorax; 8. General effects. IX. Diseases from inhalation of dust. X. General Tuberculosis, Syphilis, etc. XI. Tumours and Parasites.