XL] 



BACILLUS: PATHOGENIC FORMS. 



127 



this : The sections, both those prepared from the ulcerations 

 of the calf s tongue and from the inoculated tissues of the 

 rabbit, are immersed in a mixture of magenta and methyl 

 blue, then washed in spirit, and after clarifying in clove-oil 

 are mounted in Canada-balsam solution. The bacilli are 



FIG. 59 FROM A SECTION THROUGH NECROSED AND ADJOINING INFLAMED PARTS 

 OF THE EAR OF A RABBIT, INOCULATED WITH MATTER TAKEN FROM 

 ULCERATIVE STOMATITIS OF THE CALF. 



1. Necrosed part. 



2. Inflamed tissue. 



3. Bundles of bacilli. 

 Magnifying power 700. (Stained with magenta.) 



stained deep pink, the inflamed tissue blue. The bacilli 

 appear as thin rods in rows, thus forming a leptothrix-like 

 growth. In some of the long filaments the individual bacilli 

 are not well shown. The filaments are either straight or 

 more or less curved. The length of the single bacilli varies 



