342 THE INVISIBLE WORLD 



time, therefore, when he was attacked on all sides 

 by Invisible Foes. The inevitable contagious and 

 infectious diseases followed. For long centuries 

 millions of his race were doomed every year to a 

 premature grave; while he knew not the cause. 



Finally, the Germ Origin of Disease was discov- 

 ered. All was then plain. Knowing the cause, the 

 Martian man finds a way to remove it, and stops 

 the effect. With the right vaccines, antitoxines, 

 quarantine, cleanliness, sanitation, he makes war 

 upon the Invisible Foes until the last fiend is 

 driven from his doors. 



Believed of the terrible incubus which so long 

 weighed them down and kept them back, the Mar- 

 tians entered upon a new era of Evolution. They 

 were better born. They had better environment, 

 They had almost perfect health. They grew 

 stronger. They could endure more. They lived 

 longer. They could accomplish more. They grew 

 wiser. They grew richer. They built up a higher 

 civilization. Finally, they became the superior 

 beings that they now are. 



But Earthites take not a back seat. They are 

 coming. They'll get there. Their greatest enemy 

 conquered, rid of their great drawback, they enter 

 upon a new era of Evolution. Bodily ills gone, 

 mental ills go. 



Religious superstitions no longer becloud the 

 mind. Theological absurdities no longer disturb 

 mental digestion. War is no more. Friction be- 

 tween Labor and Capital is gone. The upper and 



