131 



specimen is worth describing for its own sake, although no comparison can be 

 made with older or younger examples. The specimen is a male. 



Hair Tracts. — In every way the Koala shows a remarkable complexity in 

 the disposition of its hair tracts, a condition which is not readily appreciated 



Fig. 3. 



Phascolarctus cinercus. 



The characters of the head and face. 



by inspection of the woolly coat of the adult. The disposition of the tracts is 

 shown in lateral and dorsal view in figs. 1 and 2. 



Upon the head and face there is nothing very remarkable to note. The 

 dorsal extension of the rhinarium at this stage is pubescent with very minute 



Phascolarctus cinercus. 

 Rhinarium viewed directly from the front. 



down hairs, all of which are directed uniformly backwards. There is no reversal 

 above the rhinarium ; and upon the muzzle, face, and chin the hair is all directed 

 caudad. The general backward slope is only interrupted at a line (indicated 



