[Bacteria]

2. Bacteria related to food, disease & agriculture

3. Bacteria. Misc. Pathogens. II: Disease-producing bacteria viewed through the microscope

4. Micro-organism within the red blood corpuscles

5. Micro-organism of Texas Fever

6. Fig. 31 - Neutralization of toxin by antitoxin in the blood. (After Ehrlich)

7. Fig. 29 - Fourth stage in antitoxin formation. Side-chain, i.e. antitoxin, free in the blood. (After Ehrlich.)

8. Fig. 30 - Diagrammatic scheme to represent the union of toxin (black) with the cell

9. [Unknown]

10. Bacteria. Zoogloeae

11. Fig. 25 - Diagram to represent the cell with its various combining groups or side chains.

(After Ehrlich). Fig. 26 - First stage in antitoxin formation. (black = Toxin molecule) (After Ehrlich)

12. Fig. 27 - Second stage in antitoxin formation. (After Ehrilich). Fig. 28 - Third stage in antitoxin formation. (After Ehrlich)

13. Bacteria, Soil

14. Bacteria, Rate of Division