EXERCISE 84. DIPHTHERIA aROUP. 199 



Bacterium diphtheriae (Loefflek) Mig. 



Synonyms. Bacillus diphtheriae Loepfler; Klebs-LoefHer 

 bacillus. 



Explanatory. First described in 1883 by Klebs. First culti- 

 vated in 1884 by LoefSer. Found in the false membrane»in cases of 

 diphtheria, and in small numbers in spleen, liver, etc. ; occasionally 

 in healthy throats. 



Eeperences. Klebs, Verhandl. d. Kongress fuer innere Medi- 

 zin, 1883, II; Loeffler, Mitth. aus dem Kaiserl. Gesundheitsamte, 

 1884, 2, 421; A. 386; C. 354; Fl. 2, 460; H. 194; K. & W. II. 759; 

 L. & K. 207 ; L. & N. 389 ; Mig. 2, 499 ; M. & R. 356 ; M. & W. 137 ; 

 McF. 410 ; P. 229. 



MOEPHOLOGTCAL CHARACTERS : 



Sketches. 



1. Form and arrangement: 

 a. Bouillon 



&. Agar . 



Gelatin 



d. Other media.. 



Size: 



Staining powers : 



a. Aqueous gentian- violet.. 



i. Loeffler's methylen-blue. 



u. Gram's stain 



d. Special stains 



Motility : 



a. Character of movement. . , 



&. Flagella stain 



5. Spores:. 



Special characters:.... 



«. Capsules 



b. Involution for,ms 



L-. Deposits or vacuoles.. 

 '%. pi«?ouaor^hisni....c3 - 



