PLATE IX 



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/"JB - iN'N = 



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'" >: A^ - v %*<&> :i 



-. : | X ' '- ' * ' ' '' 



r/ 



' fc . <9iCt- 



^ 



A* * 



. > 



^" it 



*' . i *r<ft ( -'"'/*) ,., 



^sr /r --- '**^ 



4^ 





^.^ 



Avian Tuberculosis. 



Section of the liver of a guinea-fowl. 



