PLATE II. 



DIFFERENT MODES OF GROUPING. 



Photo-micrographs by Dr. Sternberg. 



FIG. 1. Torula form of spherical bacteria (Micoderma aceli 

 Pasteur) from rotten banana, New Orleans, April, 1880. X 1000 

 diameters by Zeiss's ^ in. objective. 



FIG. 2. Zooyloea ramiqera from surface of foul gutter-water. 

 Baltimore, 1880. X 1000* diameters. 



FIG. 3. Zooglaaform of spherical bacteria developed in culture- 

 cell containing- blood of leper. X 600 diameters. 



FIG. 4. Mycoderma, from surface of foul gutter-water. New 

 Orleans, April, 1880. X 400 diameters by Beck's i in. objective. 



FIG. 5. Leptothrix chain of Bacilli (B. w?na?) from putrid 

 blood of yellow-fever patient obtained post mortem. X 3000 diam- 

 eters. (Seep. 261). 



