LIST OF ILLUSTRATIONS. XIX 



PLATE 



XX. Bacillus tuberculosis and Bacillus lepra. 



Fig. I. From a cover-glass-preparation of pus from a tubercular 



cavity of human lung. 



,, 2. From a section of kidney from a case of leprosy. Ehrlich's 

 method. 



XXI. Potato-cultivation of Bacillus cyanogenus. 

 Fig. I. After three days' growth. 

 ,, 2. After nine days' growth. 



XXII. Bacillus of septicamia of mice. 



Fig. i. From a section of kidney of a mouse. Gram's method 



and eosin. 

 ,, 2. The same preparation. (Zeiss' r V o.i. Oc. 4.) 



XXIII. Bacillus lepra. 



Fig. i. From a section of skin from a case of leprosy. Ehrlich's 



method. 

 ,, 2. The same preparation. (Zeiss' T V o.i. Oc. 4.) 



XXIV. Cultivations on nutrient agar-agar. 



Fig. I. Bacterium lineola. 

 ,, 2. Micrococcus rosaceus. 

 ,, 3. Streptococcus pyogenes citreus. 



XXV. Bacillus figurans. 



Fig. i. Cover-glass impression-preparation from a plate-culti- 

 vation. 

 ,, 2. The same preparation. (Zeiss' T V o.i. Oc. 4.) 



XXVI. Bacillus of swine- erysipelas. 



Fig. i. Pure cultivation in nutrient gelatine. 

 ,, 2. Colonies on a plate-cultivation. 



3, Cover-glass-preparation of blood from an inoculated 

 pigeon. 



XXVIL A.ctinomyces. 



Fig. i. From a section of a maxillary tumour in a cow. Plaut's 



method. 

 ,, 2. The same preparation. (Zeiss' v? o.i. Oc. 2.) 



XXVIII. Actinomyces. 



Fig. I. From a section of a maxillary tumour in a cow. Weigert's 



method. 

 ,, 2. From a section of the lung of a cow. Weigert's method. 



XXIX. Yeast-fungi or Saccharomycetes, and Mould-fungi or Hyphomycetes. 



facing page 339 



