COLON GROUP— Continued. 



223 



Bacillus enteritidis Gaertner 



Explanatory. Isolated by Gaertner from beef in meat poison- 

 ing case, very closely related to preceding. 



References. Gaertner, Correspond, d. allg. Artze Vereins, 

 Thuringen, 1888 ; C. 207 ; PI. 2, 375 ; K. & W. II, 639 ; L. & N. 251 ; 

 Mig. 2, 744 ; M. & R. 331 ; McF. 517. 



Morphological characters : 



1. Form and arrangement: 

 t*. Bouillon 



Sketches. 



1). Aear.. 



e. Gelatin. 



d. Other media. . 



2. Size: 



3. Staining powers: 



tc Aqueous grentian- violet.. 

 b- Loeffler'a methylen-blue. 



c. Grain's stain 



d. Special stains 



4. Motility : 



a. Character of movement. . . 



b. Flagella' stain 



5'. Spores:. 



6. Special characters: — 



a. Capsules 



6. Involution forms 



t. Deposits or vacuoles. . 

 d. Pleomorphism 



