WHAT DESTRUCTION OF BIRDS MEANS 



foodstuffs, your furniture ; and, in fact, everything you 

 grow and the other goods you possess. 



4. Insects prevent the colonisation of thousands 

 of square miles of land. 



5. Insects make man's struggle for existence 

 80 per cent, heavier than it otherwise would be. 



6. Insects, by bringing red ruin, vexations, and 

 troubles to farmers, cause every individual in the 

 country to suffer more or less indirectly. 



The Swallows and Martins hawk the insects in the air. 



7. Rats and mice, which owls and hawks prey on. 

 carry diseases to man and stock animals. They devour 

 everything eatable he produces. They gnaw and 

 destroy the work of his brain and hands. 



8. Overcome the insect hosts and armies of rats 

 and mice, and you will have — 



(i.) The reduction by two-thirds of diseases which 

 afflict man and beast. 



(ii.) Health, wealth, happiness, and long life. 



(iii.) Your country will be able to support many 

 times its present population. 



(iv.) You will be able to thickly populate thousands 

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