Fig. 5. — Micrococcus Tetragenus. 



Cover Glass Preparation, Splenic Fluid, Carbol-Fuchsine, 

 •fe apochromat, Projection ocular 6. x 1000. 



Fig. 6. — Sarcina Flava. 



Cover Glass Preparation, Gelatine Culture, Gentian-Violet, 

 y"j apochromat, Projection ocular 6. x 1000. 



