THE EVOLUTION OF MAN 



to the gibbon. An unborn gibbon in its mother's 

 womb at first has well proportioned arms just 

 as if it were to become a human being. And it 

 is only by gradual stages that the arms of the 

 little ape develop into those enormous acrobatic 

 limbs. If the biogenetic law is correct, then we 

 would have in this case an exact proof that the 

 ancestors of the present-day gibbon did not pos- 

 sess those long arms and were, therefore, con- 

 siderably more manlike. 



EMBRYOS OF A GIBBON, 



in an advanced state of development. Mark the likeness to a 

 human embryo. 



(After Selenka.) 



Thousands of indications -thus point to the 

 fact which occurred even to Darwin when he dis- 

 cussed these things tentatively for the first time, 



so 



