POLYWOG PROBLEMS 



ir 



HE ancient Phoeni- 

 cians, Egyptians, 

 Hindus, Japanese, 

 and Greeks all shared the belief 

 that the whole world was hatched 

 from an egg made by the Creator. 

 This idea of development is at 

 least true in the case of every 

 living thing upon the earth to- 

 day; every plant springs from 

 its seed, every animal from its 

 egg. And still another sweeping, 

 all-inclusive statement may be 

 made, every seed or egg 

 at first consists of but one 

 cell, and by the division of this 



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