416 BIOLOGY AND ITS MAKERS 
the two. He was more in the public eye, but was not a man 
of such deep intellectuality as Lamarck. His scientific repu- 
tation rests mainly upon his Philosophie Anatomique. The 
controversy between him and Cuvier was on the subject of 
Fic. 118.—GEoFFROY SAINT-HILAIRE, 1772-1844. 
unity of type; but it involved the question of the fixity or 
mutability of species, and therefore it involved the foundation 
of the question of organic evolution. 
This debate stirred all intellectual Europe. Cuvier won 
as being the better debater and the better manager of his 
