166 THE SEVEN FOLLIES OF SCIENCE 



hundred millions of persons. This number would easily 

 find standing-room on one half of Long Island, in the State 

 of New York. If this entire population were to be brought 

 to the United States, we could easily give every man, 

 woman, and child, one acre and a half each, or a nice little 

 farm of seven acres and a half to every family, consisting 

 of a man, his wife, and three children. 



This question has also an important bearing on the 

 preservation of animals which, in limited numbers, are harm- 

 less and even desirable. In Australia, where the restraints 

 on increase are slight, the rabbit soon becomes not only a 

 nuisance but a menace, and in this country the migratory 

 thrush or robin, as it is generally called, has been so pro- 

 tected in some localities that it threatens to destroy the 

 small fruit industry. 



HOW TO BECOME A MILLIONAIRE 



jjANY plans have been suggested for getting rich 

 quickly, and some of these are so plausible and 

 alluring that multitudes have been induced to 

 invest in them the savings which had been accu- 

 mulated by hard labor and severe economy. It is needless 

 to say that, except in the case of a few stool-pigeons, who 

 were allowed to make large profits so that their success 

 might deceive others and lead them into the net, all these 

 projects have led to disaster or ruin. It is a curious fact, 

 however, that some of those who invested in such "get- 

 rich-quickly " schemes were probably fully aware of their 

 fraudulent character and went into the speculation with their 

 eyes open in the hope that they might be allowed to become 



