\Vll.\T ARE ll.UTEKIA? 



1 I 



spore formation is the chief means by which the microscopist 

 separates the different figures from each other. Figures 9 and 10 

 show the method by which some of the common molds produce 

 their spores. The studying of molds for the purpose of dis- 



FIG. 10 COMMON MOLD, ASPERGILLUS 

 Mycelium and method of forming spores 



tinguishing spores does not, however, belong to our immediate 

 subject. Such types as are concerned in dairy problems will 

 be mentioned later in the proper places. (See frontispiece.) 



NAMES APPLIED TO BACTERIA 



The detailed classification of bacteria is rather complicated 

 and difficult, and need not detain the dairy student. A few 

 terms, however, are so general that it is necessary to learn their 

 meaning, especially since there is considerable confusion in 



