Cassius, seeing all this, but

Cassius, seeing all this, but not seeing it very distinctly, supposed
that the troop of horsemen were enemies, and that they had surrounded
Titinius, and had cut him down or made him prisoner. He considered it
certain, therefore, that all was now finally lost. Accordingly, in
execution of a plan which he had previously formed, he called a servant,
named Pindarus, whom he directed to follow him, and went into a tent
which was near. When Brutus and his horsemen came up, they entered the
tent. They found no living person within; but the dead body of Cassius
was there, the head being totally dissevered from it. Pindarus was never
afterward to be found.

Brutus was overwhelmed with grief at the death of his colleague; he was
also oppressed by it with a double burden of responsibility and care,
since now the whole conduct of affairs devolved upon him alone. He found
himself surrounded with difficulties which became more and more
embarrassing every day. At length he was compelled to fight a second
battle. The details of the contest itself we can not give, but the
result of it was, that, notwithstanding the most unparalleled and
desperate exertions made by Brutus to keep his men to the work, and to
maintain his ground, his troops were borne down and overwhelmed by the
irresistible onsets of his enemies, and his cause was irretrievably and
hopelessly ruined.

When Brutus found that all was lost, he allowed himself to be conducted
off the field by a small body of guards, who, in their retreat, broke
through the ranks of the enemy on a side where they saw that they should
meet with the least resistance. They were, however, pursued by a
squadron of horse, the horsemen being eager to make Brutus a prisoner.
In this emergency, one of Brutus's friends, named Lucilius, conceived
the design of pretending to be Brutus, and, as such, surrendering
himself a prisoner. This plan he carried into effect. When the troop
came up, he called out for quarter, said that he was Brutus, and begged
them to spare his life, and to take him to Antony. The men did so,
rejoiced at having, as they imagined, secured so invaluable a prize.