Fig. 7. 



Stab -culture in gelatine of the Bacillus of Grouse Disease. 

 Natural size. 



Fig. 8. 



Shake-culture in gelatine, showing gas bubbles in the depth of 

 the gelatine. Natural size. 



Fig. 9. 



Cover-glass specimen of the Lung Juice of Grouse dead of the 

 Grouse Disease. Magnifying power 1000. 



One dumb-bell of the baciUi is shown and several blood discs. 



Fig. 10. 



Cover-glass specimen from a Culture in gelatine of the Bacillus 

 of the Grouse Disease. Magnifying power 1000. 



Fig. II. 



Cover-glass specimen from a Culture in gelatine of the Bacillus 

 derived from the blood of an inoculated Mouse. Magnifying 

 power 1000. 



Fig. 12. 



Cover-glass specimen from a "Salted" Culture of the Bacillus 

 of Grouse Disease (see p. 31). Magnifying power 1000. 



