Fig. 49. 



Cover-glass specimen from a culture on gelatine of the Bacillus 

 of Fowl Enteritis. Magnifying power 1000. 



Fig. 50. 



Cover-glass specimen from an old broth culture of the Bacillus 

 of Fowl Enteritis, showing involution forms and degenerating 

 filaments of the Bacilli. Magnifying power 1000. 



Fig. si. 



Section through the Liver of a Fowl dead of the Fowl Enteritis. 

 Magnifying power 1000, showing numerous bacilli in the capillary 

 blood-vessels, these latter being seen cut across. 



Fig. 52. 



Cover-glass specimen of an Agar culture of the Bacillus of "the 

 Cramps " of Young Pheasants. Magnifying power 2000. 



Fig. S3. 



Cover-glass specimen of a gelatine culture of the same Bacillus. 

 Magnifying power 2000. The difference in the shape of the bacilli 

 between those from an agar- and those from a gelatine culture is 

 striking. 



