92 THE ASCENT OF MAN 



rama, some of them pronounced and unmistakable, 

 others mere sketches, suggestions, likenesses of 

 infinite subtlety. At last the true Mammalian 

 form emerges from the crowd. Far ahead of all 

 at this stage stand out three species — the Tailed 

 Catarrhine Ape, the Tailless Catarrhine, and last, 

 differing physically from these mainly by an en- 

 largement of the brain and a development of the 

 larynx, Man. 



Whatever views be held of the doctrine of 

 Evolution, whatever theories of its cause, these 

 facts of Embryology are proved. They have taken 

 their place in science wholly apart from the 

 discussion of theories of Evolution, and as the 

 result of laboratory investigation, made for quite 

 other ends. What is true for Man, moreover, is 

 true of all other animals. Every creature that 

 lives climbs up its own genealogical tree before it 

 reaches its mature condition. " All animals living, 

 or that ever have lived, are united together by 

 blood relationship of varying nearness or remote- 

 ness, and every animal now in existence has a 

 pedigree stretching back, not merely for ten or a 

 hundred generations, but through all geologic time 

 since life first commenced on the earth. The study 

 of development has revealed to us that each animal 

 bears the mark of its ancestry, and is compelled 



