BACTERIA AND THEIE RELATION TO DAIRYING. 



The bacilli include the elongated rodlike cells. They 

 vary greatly in length and are sometimes divided into sub- 

 divisions, such as bacterium, meaning a short cell devoid 



Fig. 1, micrococci ; Fig. 2, diplococci : Fig. 3, streptococci ; Fig. 4, tetrads; 

 Fig. 5, sarcina ; Fig. 6, bacilli ; Fig. 7, comma bacilli ; Fig. 8, spirilli ; Fig. 9, 

 yeast fungi; Figs. 10 and 11, bacilli with spores ; Fig, 12, bacilli with cilia, 

 all highly magnified. 



