EXERCISE 82. SWINE PLAGUE GROUP. 183 



Bacterium cholerae (ZOPF) KITT. 



SYNONYMS. Bacillus of chicken cholera; Bacillus of swine 

 plague; Bacterium cholerge-gallinarum CROOKSHANK; Bact. suicida 

 MIGULA ; Bacillus septicemiae hemorrhagicse HUEPPE. 



EXPLANATORY. First described by Koch in 1878. Found in 

 blood, organs and excreta of chickens suffering with fowl cholera, 

 and in swine suffering from swine plague. 



REFERENCES. Koch, Wundinfectionskrankheiten, Septikaemie 

 bei Kaninchen, 1878 ; Smith, Report on Swine Plague, Bureau of 

 Animal Industry, U. S. Dept. Agri., 1891 ; Smith & Moore, Bull. 6, 

 B. A. I., 1894 ; C. 135 ; H. 305 ; K. & W. II, 543 ; L. & N. 208 ; Mig. 2, 

 364 ; McF. 534. 



MORPHOLOGICAL CHARACTERS : 



SKETCHES. 



1. FORM AND ARRANGEMENT: 

 a. Bouillon 



c. Gelatin. 



d. Other media. 



2. SIZE: 



3. STAINING POWERS: 



a. Aqueous gentian-violet.. 



&. Loeffler's methylen-blue. 



c. Gram's stain 



d. Special stains 



4. MOTILITY : 



a. Character of movement.. 

 6. Flagella stain 



5. SPORES: 



6. SPECIAL CHARACTERS:.... 



a. Capsules 



6. Involution forms 

 c. Deposits or vacuoles. 

 "'. Pleomorphism 



