92 



ESSENTIALS OF BACTERIOLOGY. 



the microscope a thick curled-up centre around which threads 

 are wound in all directions. And these fine lines show the 

 bacilli in profusion. 



FIG. 52. 



Klatsch preparation. 



Potato. It can be cultivated on slices of potato which are 

 placed in air-tight test-tubes. 



Bouillon. Bouillon containing four per cent, glycerine is a 

 very good nurture ground. 



Varieties. Dixon, of Philadelphia, and others have obtained 

 branched forms of bacilli and club-shaped forms. 



In Sputum. Little granules arranged like streptococci, which 



