90 MICRO-ORGANISMS AND DISEASE. [CHAP. 



besides, could be produced by other bacilli than those of 

 malarious soil. 



(/) Bacillus of ulcerative stomatitis in the calf. In the 

 Lancet of May, 1883, A. Lingard and E. Batt described peculiar 

 bacilli in ulcerations occurring on the tongue and buccal 

 mucous membrane of the calf. " The typical ulcer in advanced 



FIG. 54. FROM A SECTION THROUGH NECROSED AND ADJOINING INFLAMED PARTS 

 OF THE BAR 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.) 



cases consists of a sore with free overhanging edges. On section 

 through the sore the tongue is found necrosed to a considerable 

 depth." " Whenever the sore touches any other part of the 

 mouth or cheek, the disease is communicated and rapidly 

 spreads. In some cases similar necrotic changes had taken 

 place in the lung. The line of junction of the necrotic with 

 the h ealthy tissues was found to be occupied by a dense mass 



