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 



FlG. 13. Portrait of a young male child. Photographed from life, 

 when the mobile feet were for a short 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, 



