EXERCISE 87. TUBERCLE GROUP, 



213 



Bacterium tuberculosis (Kocn) 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. 



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

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

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

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



MORPHOLOGICAL CHARACTERS: SKETCHES. 



1. FORM AND ARRANGEMENT: 



a. Bouillon 



b. Agar 



c. Gelatin 



d. Other media 



2. SIZE: 



3. STAINING POWERS: 



a. Aqueous gentian- violet 



b. Loeffler's methylen-blue 



c. Gram's stain 



d. Special stains 



4. MOTILIT Y : 



a. Character of movement 



b . Flagella stain , 



5. SPORES : 



6. SPECIAL CHARACTERS: 



a. Capsules 



b. Involution forms 



c. Deposits or vacuoles 



d. Pleomorphism 4 



