GERMS 93 



education. The actual time spent in school 

 and university often brings the young peo- 

 ple well up in the twenties. After gradu- 

 ation, comes an apprenticeship, or some 

 period of getting established, which runs 

 over the thirties before marriage is pos- 

 sible. The tremendous pressure under 

 which the men and women who are carrying 

 the burdens of industry must live, makes 

 many children in the home impossible. The 

 highly organized nervous system, neces- 

 sary to esercise great brain power, often 

 makes reproduction difficult. It has been 

 found among female animals, as well as 

 among humans, that the better the one is 

 bred, the less the number of her offspring. 



GERMS. 



Speaking of germs — few understand that 

 there are as many kinds and breeds of 

 germs as there are kinds of flowers and 

 kinds of leaves on the trees. Each germ has 

 its specific duty and errand in life and, 

 when it is performed, it leaves its abode for 

 new quarters and new work. 



The germs of diphtheria neither inter- 



