SEALS, SEA LIONS, 

 WALRUS 



BEAVEllS, SQUIRRELS, 

 RATS AND MICE 



MULES AXD 

 SHREWS 



AUSTRALIAN 

 Itl (KlilLL 



oi-ossiMS AM> 

 KANGAROOS 



Fig. 82. Orders of inainnials, with habitats 



170 



