Table XXXIV shows that pneumococci have a less important part in the production of broncho than of lobar pneumonia; with lobar pneumonia this microorganism was found in the lungs in 77.3 per cent of instances and in the blood, in 65.5 per cent, whereas with bronchopneumonia it was found in the lungs in 42.6 per cent and in the blood in 31.4 per cent. Hemolytic streptococci (in lungs and blood) and staphylococci (in lungs), on the contrary, were more common with bronchopneumonia, and doubtless have a part in the production of the lesion. Streptococcus viridans, B. coli and M. catarrhalis, which are not infrequently found in the bronchi (p. 151), occasionally enter the lungs with bronchopneumonia but are rarely found with lobar pneumonia. B. influenzæ has been found in less than 80 per cent of instances in the bronchi and in about half of the lungs, maintaining an incidence approximately the same as that with lobar pneumonia. Table XXXV shows the types of pneumococci found in association with bronchopneumonia and is inserted for comparison with the similar table (Table XXXII) showing types of pneumococci with lobar pneumonia. With broncho as with lobar pneumonia pneumococci commonly found in the mouth, namely, atypical II, and Types III and IV, have a more important part in production of the lesion than the so-called fixed types, I and II. Atypical Pneumococcus II has been less frequently encountered with broncho than with lobar pneumonia. TABLE XXXV ════════╤════════╤═════════════════╤═════════════════╤═════════════════ │ NO. OF │ │ │ PNEUMOCOCCUS II │CULTURES│ PNEUMOCOCCUS I │ PNEUMOCOCCUS II │ (Atyp.) ────────┼────────┼────────┬────────┼────────┬────────┼────────┬──────── │ │ NO. │PER CENT│ NO. │PER CENT│ NO. │PER CENT │ │POSITIVE│POSITIVE│POSITIVE│POSITIVE│POSITIVE│POSITIVE ────────┼────────┼────────┼────────┼────────┼────────┼────────┼──────── Bronchus│ 37│ 1│ 2.7│ 3│ 8.1│ │ Lung │ 47│ 2│ 4.3│ 2│ 4.3│ 2│ 4.3 Blood │ 70│ 1│ 1.4│ 1│ 1.4│ 5│ 7.1 ────────┴────────┴────────┴────────┴────────┴────────┴────────┴──────── ════════╤═════════════════╤═════════════════ │ │ │PNEUMOCOCCUS III │ PNEUMOCOCCUS IV ────────┼────────┬────────┼────────┬──────── │ NO. │PER CENT│ NO. │PER CENT │POSITIVE│POSITIVE│POSITIVE│POSITIVE ────────┼────────┼────────┼────────┼──────── Bronchus│ │ │ 14│ 37.8 Lung │ 2│ 4.3│ 12│ 25.2 Blood │ 4│ 5.7│ 11│ 15.9 ────────┴────────┴────────┴────────┴────────