IO6 ESSENTIALS OF BACTERIOLOGY 



Form. Rods of variable length, nearly the size of a human 



^^ 



Fig. 53- Bacillus anthracis, stained to show the spores (X 1000) (Frankel 

 and Pfeiffer). 



Fig. 54. Anthrax bacilli in human blood (fuchsin staining) (Zeiss one-twelfth 

 oil-immersion; No. 4 ocular) (taken from Vierordt). 



blood-corpuscle; broad, cup-shaped ends; in bouillon cultures 

 long threads are formed, with large oval spores (Figs. 53, 54). 



