i8 



MORPHOLOGY 



be found in certain species of bacilli at definite periods (see 

 infra, Spores) . These spores may occur in various positions in 



the rods, changing 

 their contour 

 somewhat. Some 

 bacilli may also 

 possess flagella, or 

 whiplike pro- 

 cesses, which 



serve as a means 



^^%\ 



FIG. 10. Bacillus subtilis. After Fischer. ^<^^p o f locomotion (see 



infra, Flagella). To those rod-shaped bacteria which do not 

 possess flagella Migula applies the term bacterium, e.g. Bact. 



FIG. ii. Bacterium anthracis. Chain formation. Note the square ends on 

 the enlarged cells. After Schmidt and Weis. 



