PLATE II. 



Era. (i. Spirochete pallida in section of spleen of child ; ease of con- 

 genital syphilis. Levaditi's stain. X 1000 diameters. 



Fig. 7. Tubercle bacillus and other bacteria in sputum ; case of chronic 

 phthisis. Ziehl-Neelsen stain. X 1000 diameters. 



Fig. 8. Section of leprous skin, showing numerous clumps of bacilli 

 (stained red), in the cutis. CarBol-fuchsin and methylene- 

 blue. X 80 diameters. 



Fig. 9. Section of leprous granulation tissue, showing large numbers of 

 bacilli, chiefly contained within cells. Carbol-fuchsin and 

 methylene-blue, X 1000 diameters. 



