53Q 



MANUAL OF ZOOLOGY 



united together by integument, while the middle one is 

 very long and powerful. The tail is very long, and usually 

 thick. There is a large marsupium. 



Fig. 3x8. —Rock wallaby (Petrogale xantkoplis) . (After Vogt and Specht.) 



The Phalangers {Phalangerida) are climbing Marsupials 

 which have both fore- and hind-feet prehensile ; the second 

 and third toes of the hind-foot slender and united by a 

 web, as in the kangaroo, but the hallux, which is nailless, 



