482 



ZOOLOGY 



SECT. 



as regards their limbs, for swift terrestrial locomotion. They 

 have a relatively small head and neck, the fore-limbs small, and 

 each provided with five digits ; the hind-legs long and powerful ; 



FIG. 1122. Wombat (Phascolomys mitchclli). (From the Cambridge Natural History.) 







rapid progression is effected by great springing leaps, with the 

 body inclined forwards and the fore-limbs clear of the ground. 

 The foot is narrow and provided with four toes, the hallux being 

 absent ; the two inner (second and third) small and united together 





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FIG. 1123. Koala (Phascolarctos cinereus). (After Vogt and Specht.) 



by integument, while the middle toe is very long and powerful. 

 The tail is very long, and usually thick. There is a large marsupium. 

 The Tree-Kangaroos differ from the ordinary Kangaroos in their 



