42 The Story of the Bacteria 



tA 



chains as they grow. Another, growing in 

 masses, is called Staphylococcus "a bunch 

 of berries" Fig. 5. Then 

 among the rod -shaped bac- 

 teria the most common genus 

 is called Bacillus (plural, 

 bacilli), and some of the 

 FIG. 5. STAPHYLO- S p ec ies of this genus are 



COCCUS FROM A 



CULTURE among the most common and 



abundant forms Fig. 6. 

 Thus with a temporary and provisional sys- 

 tem of classification, the work of studying 

 and describing the bacteria 

 is steadily going on. And 

 if to see and describe living 

 beings on which no human 

 eye has ever rested before 

 be satisfying, it will be long 

 before the sighs of bacteri- 



1 -I A 1 -, FIG. 6. BACILLI 



ological A I e x a n d e r s are FROM A CULTURE 

 heard in this unseen world, 

 whose very shores have been barely touched 

 by the new explorers. 



