8 
GUIDE TO TEE 
Guinea. The latter species is only, at present, known 
from the two specimens in the Tring Museum, which, 
together with the skeleton, intestines, and reproduc- 
tive organs, are exhibited in this case. 
The next case on the left contains the 
Apes (Sixniidae), 
i.e. the enormous Gorilla from Gaboon in West 
Africa, the red-haired Orang-Outan from Borneo 
and Sumatra, and the Chimpanzees from the forest 
region of Western Africa. Of the latter we see not 
only the ordinary Chimpanzee (^Anthropopithecus 
troglodytes), but also the much rarer species, the 
Kooloo-Kamba or bald-headed Chimpanzee (A. calvus), 
one of them being an old friend of many Londoners, 
the well-known Sally who used to attract the public 
for many years in the Zoological Gardens at Regent’s 
Park. Besides her mounted skin, all her bones are 
set up in this case. 
In the following case are exhibited the 
Gibbons (Hylobates) and Monkeys. 
The Gibbons really belong to the Simiidae. They 
are remarkable for their enormous arms, by means 
of which they swing themselves for prodigious dis- 
tances from tree to tree, and their powerful howls, 
which can be heard at an enormons distance. The 
