PLATE III. 







Phoio bv F. E. Baniani, London. 



SECTION OF ILEUM OF COW AFFECTED WITH 



JOHNE'S DISEASE. 



(jNIag-nification about 250 diam.) 



The masses of bacilli in the mucous and submucous membranes 

 are black in the plate. 



[To face page 56. 



