d twenty-six men. For many
centuries it was composed exclusively of Roman citizens. Up to the year
B.C. 107, no one was permitted to serve among the regular troops except
those who were regarded as possessing a strong personal interest in the
stability of the republic. Marius admitted all orders of citizens; and
after the close of the Social War, B.C. 87, the whole free population of
Italy was allowed to serve in the regular army. Claudius incorporated
with the legion the vanquished Goths, and after him the barbarians
filled up the ranks on account of the degeneracy of the times. But
during the period when the Romans were conquering the world every
citizen was trained to arms, like the Germans of the present day, and
was liable to be called upon to serve in the armies. In the early age of
the republic the legion was disbanded as soon as the special service was
performed, and was in all essential respects a militia. For three
centuries we have no record of a Roman army wintering in the field; but
when Southern Italy became the seat of war, and especially when Rome was
menaced by foreign enemies, and still more when a protracted foreign
service became inevitable, the same soldiers remained in activity for
several years. Gradually the distinction between the soldier and the
civilian was entirely obliterated. The distant wars of the
republic--such as the prolonged operations of Caesar in Gaul, and the
civil contests--made a standing army a necessity. During the civil wars
between Caesar and Pompey the legions were forty in number; under
Augustus, but twenty-five. Alexander Severus increased them to
thirty-two. This was the standing force of the empire,--from one hundred
and fifty thousand to two hundred and forty thousand men, stationed in
the various provinces.
The main dependence of the legion was on the infantry, which wore heavy
armor consisting of helmet, breastplate, greaves on the right leg, and
on the left arm a buckler, four feet in length and two and a half in
width. The helmet was originally made of leather or untanned skin,
strengthened and adorned by bronze or gold, and surmounted by a crest
which was often of horse-hair, and so made as to give an imposing look.
The crests served not only for ornament, but to distinguish the
different centurions. The breastplate, or cuirass, was generally made of
metal, and sometimes was highly ornamented. Chain-mail was also used.
The greaves were of bronze or brass, with a l
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