The following cases were selected as illustrating different phases of chronic influenzal bronchitis, so far as possible, and are presented with the hope that they will prove interesting and instructive to others. To me the recognition of these cases and the variety of clinical forms they may assume has been very helpful.
REPORTS OF CASES
Cough of four years' duration and for several years previous frequent attacks of influenza when patient would cough and expectorate for a time; chills and fever for several days at one period; diagnosis of tuberculosis; mild asthmatic attacks; diffuse bronchitis. There were no tubercle bacilli in sputum; in smears and cultures the influenza bacillus found to be the predominant organism.
The patient, M. K., servant girl, single, aged 28, was first seen Sept. 14, 1906. Two cousins on father's side had died of consumption. One brother died with symptoms of miliary