232 MICROBES, FERMENTS, AND MOULDS. 
white of egg at a temperature of 37°, in which it 
retains its characteristic colour. 
In a sweating foot, of which the smell is so 
offensive, Rosenbach found a short, thick rod, which 
is at once aérobic and anaérobic, is rapidly developed, 
and retains its offensive smell when cultivated (Fig. 95). 
In the gangrene of long bones, the same observer 
= a 
2 SO 
ey , ore, 
AQ LYE 
« bbs 
i “os 
_ Fig. 95.—Bacillus of Fig. 96.—Saprogenic bacillus 
feet-sweat. of osseous gangrene. 
has found a similar bacillus, which, like the foregoing 
one, produces by inoculation a local affection, more or 
less strongly marked (Fig. 96). 
Warts—We know that a wart is self-sown, and 
appears to contain a contagious principle. This is 
Tomasi Crudeli’s Bacterium porri, and is minute and 
in the form of an 8. 
Among the diseases due to microbes we must 
include mumps, epidemic goitre, epithelial xerosis of 
the eye, polypus of the nasal canal, of which the 
concretions are formed of Streptothria Forstert, ete. 
XIV. Tor MicRoBE or ERYSIPELAS. 
Erysipelas belongs both to internal and external 
pathology. It is sometimes manifested as a special 
