INSTINCT 



practise until the companies are massed in 

 one grand army corps. When the young 

 birds are thoroughly drilled, that is, are hard 

 of muscle and capable of keeping their place 

 in the ranks, to touch elbows, as it were, the 

 old birds are ready to lead the way South. 

 To avoid straggling the departure is made 

 in the night. 



Up to this point we see no indications of 

 instinct. The acts of the swallows are as 

 intelligent as would be the acts of human 

 beings under like circumstances. If a gen- 

 eral had raw recruits to deal with he would 

 drill them just as the swallows drill their 

 raw recruits. 



Perhaps the manoeuvres of swallows gave 

 mankind the idea of military tactics. 



When we consider the journey of these 

 birds South, why should we claim that their 

 acts are guided by a supernatural power? 

 Why not allow intelligence in flight as well 

 as in preparing for flight? 



We can readily understand how the old 

 birds, that have made several journeys and 

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