The Descent of Man

lled a mane.) have great manes, whilst the females
have small ones or none. The male baboon
of the Cape of Good Hope (Cynocephalus
porcarius) has a much longer mane and larger
canine teeth than the female; and the mane
probably serves as a protection, for, on asking
the keepers in the Zoological Gardens, without
giving them any clue to my object, whether any
of the monkeys especially attacked each other
by the nape of the neck, I was answered that
this was not the case, except with the above
baboon. In the Hamadryas baboon, Ehrenberg
compares the mane of the adult male to that of
a young lion, whilst in the young of both sexes
and in the female the mane is almost absent.
It appeared to me probable that the immense
woolly mane of the male American bison,
which reaches almost to the ground, and is
much more developed in the males than in the
females, served as a protection to them in their
terrible battles; but an experienced hunter told