TIIE KOALA. 
203 
Inches. Lines. 
Length of head and body, together 29 0 
“ from tip of nose to car ... 5 3 
'* of ear, about .. 2 0 
14 fore foot, not including the 
claws. 3 0 
“ hind foot, without the claws 3 7 
“ thumb of ditto. 1 8 
Inches. Lines. 
25 0 
4 6 
1 9 
3 0 
3 1 
Avery young Koala in the Museum of the Zoological Society 
presents some features worthy of notice. This little animal, 
which measures about 1 1 inches in length, instead of having 
the woolly fur of the adult, is clothed with hairs which are 
moderately soft, short, and closely applied to the skin : on the 
mesial side of the hack, a little behind the shoulders, the hairs 
radiate, and running forwards over the neck they meet those 
of the head having an opposite direction, and form a kind of 
crest at the line of junction : on die rump there is another of 
these centres from which the hairs radiate 1 . The ears, which 
are much pointed, and have die posterior edge emarginated, 
are clothed with hairs of about a quarter of an inch in length. 
Its colouring is the same as in the adult. 
Skull of the Koala. 
The skull of the Koala is remarkable for its oblong qua¬ 
drate form, the shortness and great width of the nasal bones, 
which ure truncated in front, the parallelism of the zygomatic 
arches, their great length, and the great protuberances formed 
by the auditory bullte; these are nearly spherical, hut slightly 
compressed in the lateral direction, in the young animal, and 
are much more compressed and considerably elongated in the 
i 
I have noticed a similar arrangement of the lmirs of the fur in a young Sloth. 
