D. H., a schoolgirl, aged 14, seen in consultation with her family physician, Feb. 11, 1929, had an unimportant family and past history in which there was no record of infantile eczema, hay-fever, asthma or anything suggesting sensitiveness to horse emanations. The present illness began, February 9, although the patient had been having a "slight cold" for several days previously. The temperature was 99 F. and the pulse rate 100; there was some redness of the throat and some tenderness in the right lower quadrant of the abdomen. February 10, the temperature rose to 101.5 F. and the pulse to 120, and the patient complained of severe pain in the left side of the chest. Examination revealed dulness to percussion and diminished respiratory murmur, and a diagnosis of lobar pneumonia was made which was corroborated by roentgen examination.
When I saw the patient, February 11, the diagnosis was clear. Physical