EXEEOISE 87. TUBEKCLB GROUP,, ^13 



Bacterium tuTjerculosis (Koch) Mig. 

 Synonyms. Tubercle bacillus; Bacillus tuberculosis Koch. 



Explanatory. First described by Koch in 1882. Found in 

 diseased tissues of man and animals and in phthisical sputum. 



Eefeeences. Koch, Berlin. Klin. Wochenschr., 1882, 15, 221; 

 Smith, Jour. Exp. Med., 1898, 3, 451 ; A. 330 ; C. 356 ; Fl. 2, 481 ; 

 H. 225 ; K. & W. II, 78 ; L. & K. 251 ; L. & N. 410 ; Mig. 2, 492 ; M. & 

 E. 236 ; M. & W. 148 ; McF. 305 ; P. 623. 



Morphological characters : 



Sketches 



1. Form and abkangement: 

 a. Bouillon 



6. Agar . 



c. Gelatin 



d. Other media. . 



2. Size: 



3. Staining powers : 



11. Aqueous gentian- violet. . 

 6. Loeffler's methylen-blue. 



u. Grain's stain 



d. Special st'ains 



4. Motility : 



tt. Character of movement. . 

 6. Flagella stain 



5. Spores: 



6. Special characters: — 



a. Capsules 



6. Involution forms 



f. Deposits or vacuoles.. 

 d. Pleomorphism 



