The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)Darwin, Charles
Science
The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)
Darwin, Charles
Evolution (Biology); Human beings -- Origin; Sex differences; Sexual dimorphism (Animals); Sexual selection in animals
With stags of many kinds the branching of the horns offers a curious
case of difficulty; for certainly a single straight point would inflict
a much more serious wound than several diverging points. In Sir Philip
Egerton’s museum there is a horn of the red-deer (_Cervus elaphus_)
thirty inches in length, with “not fewer than fifteen snags or
branches;” and at Moritzburg there is still preserved a pair of antlers
of a red-deer, shot in 1699 by Frederick I., each of which bears the
astonishing number of thirty-three branches. Richardson figures a pair
of antlers of the wild reindeer with twenty-nine points.[307] From the
manner in which the horns are branched, and more especially from deer
being known occasionally to fight together by kicking with their
fore-feet,[308] M. Bailly actually came to the conclusion that their
horns were more injurious than useful to them! But this author overlooks
the pitched battles between rival males. As I felt much perplexed about
the use or advantage of the branches, I applied to Mr. McNeill of
Colinsay, who has long and carefully observed the habits of red-deer,
and he informs me that he has never seen some of the branches brought
into action, but that the brow-antlers, from inclining downwards, are a
great protection to the forehead, and their points are likewise used in
attack. Sir Philip Egerton also informs me in regard both to red-deer
and fallow-deer, that when they fight they suddenly dash together, and
getting their horns fixed against each other’s bodies a desperate
struggle ensues. When one is at last forced to yield and turn round, the
victor endeavours to plunge his brow-antlers into his defeated foe. It
thus appears that the upper branches are used chiefly or exclusively for
pushing and fencing. Nevertheless with some species the upper branches
are used as weapons of offence; when a man was attacked by a Wapiti
deer (_Cervus Canadensis_) in Judge Caton’s park in Ottawa, and several
men tried to rescue him, the stag “never raised his head from the
ground; in fact he kept his face almost flat on the ground, with his
nose nearly between his fore-feet, except when he rolled his head to one
side to take a new observation preparatory to a plunge.” In this
position the terminal points of the horns were directed against his
adversaries. “In rolling his head he necessarily raised it somewhat,
because his antlers were so long that he could not roll his head without
raising them on one side, while on the other side they touched the
ground.” The stag by this procedure gradually drove the party of
rescuers backwards, to a distance of 150 or 200 feet; and the attacked
man was killed.[309]
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