Morphology. 79 
same time to illustrate two other vestigial characters, 
which have often been previously noticed with regard 
to the infant’s foot. I allude to the incurved form of 
the legs and the lateral extension of the great toe, 
whereby it approaches the thumb-like character of 
Fic. 13.—Lower extremities of a young child. Drawn from life, 
when the mobile feet were for a shoit time at rest in a position of 
extreme inflection. 
this organ in the Quadrumana. As in the case of 
the incurved position of the legs and feet, so in this 
case of the lateral extensibility of the great toe, the 
peculiarity is even more marked in embryonic than in 
infant life. For, as Prof. Wyman has remarked with 
regard to the foetus when about an inch in length, 
