152 



THE EVOLUTION OF MAN. 



born in a very imperfect condition, are carried by the 

 mother for a long time ; until, in fact, they are completely 

 developed (Fig. 197). In the large Giant Kangaroo, which 



JM 



FIG. 197. The Crab-eating Pouched Eat (Philander cancrivorus). A. 

 female with two young in its pouch. (After Brehm.) 



