92 



THE COMMON FROG, 



[chap. 



man himself belongs, we actually find a similar 

 development. 



Amongst the very peculiar beasts which inhabit the 

 island of Madagascar, there are certain small creatures, 



Fig. 58.— The Malioli Galago. 



" Half-Apes," belonging to the genus Cheirogalcus, in 

 which two of the ankle-bones are elongated in a 

 manner similar to that of the frog. The same 

 character is more marked in an African genus of half- 



