94 MICROBES, FERMENTS, AND MOULDS. 
Spirillum and Spirochete only differ from each 
other in the number and approximation of their 
spirals. Spirochete Obermeieri is found in the blood 
of those affected by recurrent fever; S. /plicatile, 
which is found in stagnant water, amid Oscillaria, is 
Fig. 51.—Different forms of microbes, or bacteria: a, b,c, d, Micrococcus of various 
forms; e, the short Bacterium; f, the short Bacillus; k, Leptothrix or long 
bacillus: 1, Vibrio, dividing by fission; m, Spirillum; 0, Spirochete; p, Clado- 
thria, ete. (from Zopf: highly magnified), 
perhaps only the parasitic form of those alge, and 
has often been regarded as the cause of marsh fever. 
Spirilum is also found in infusions (Fig. 51, m, 0). 
Finally, Sarcina ventriculi, so different in form 
from other microbes, is found in the fluids of the 
human stomach, in the blood, and in the lungs, in the 
