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. 51. 



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. 53. 



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. 



