DIPHTHERIA BACILLUS 



I8 7 



(mallein) is formed from the bodies of the bacilli themselves, and 

 in the bouillon. This is thermostabile and if injected into animals 

 having glanders, produces a marked reaction. Locally, if the horse 

 is glanderous, a hard swelling is formed, and the temperature is 

 raised 1.5 C. to 2 C. in a few hours. This is considered a valuable 

 means of diagnosis by veterinarians. 



DIPHTHERIA BACILLUS. 



Corynebacterium Diphtheriae. (Loffler.) 

 Bacillus Diphtheria. . 

 Klebs-Loffler Bacillus. 

 Diphtheria Bacillus. 



Morphology and Stains. Long, bent, or curved bacilli of irreg- 

 ular contour, frequently clubbed or filiform at one or both ends; 



FIG. 65. Diphtheria bacilli in mucus of trachea stained with fuchsin. 

 and Wassermann.) 



(Kolle 



which contain chromatophilic granules, and often exhibit true 

 branching; have no spores or flagella, and are not motile. Accord- 

 ing to Wesbrook, stained bacilli are of three types: (i) granular 

 (containing the Babes-Ernst granules); (2) barred like a striped 



