POULTRY DISEASES AND THEIR TREATMENT. 



95 



Fig. i8. Head of a fowl 22 da3'S after in- 

 oculation with a cvilture of the roup 

 bacillus. A. — False membrane. (From 

 Harrison and Streit). 



Fig. 19. Throat and bottom of mouth 



with false membrane (in) 14 days after 



inoculation. (From Harrison and 



Streit). 



