THE MICROBES OF HUMAN DISEASES. 237 
that it is readily and spontaneously self-inoculated, 
and that boils and carbuncles rarely occur singly 
in the same individual. Diabetic cee 
patients are very subject to this  nenie 
fi * re” SPN e 
affection, yet the microbe does not a ad 
A Fig. 99.—Boil microbe 
admit of culture in sugared water. (Staphylococeus pyo- 
genus aureus: Rosen- 
Phlegmon.—thisis the name given —h). 
to the suppuration of the subcutaneous cellular tissue, 
caused by contusions, wounds, and medical injections 
of morphia or any other sub- 
stance. Microbes are always euldiat ; ENG s 
found associated in 8’s or in cali {TH * } 
‘ a , 6, Wy AN 
long sinuous chains (Fig. nee fia Mt ies : 
100). In all these cases there Ui ‘al Hy ee 
has been some communica- KOSS zy) Wee 
tion with the outer air, for DRS, bh 
; K 
Ga 
wounds which are really sub- 
cutaneous—fractures, for ex- 
ample—even when accom- Melts pienen co 
panied by abundant hemorr. “™” 
hage, heal without suppuration, and microbes are not 
present. 
XVII. Mope or Action oF Micropes In DISEASE. 
PromAIneEs. 
The question how microbes act in disease has long 
been doubtful, but the progress of science tends to 
clear away obscurity. 
