went back into the city and told Cicero what they had been asked to do.
The Consul knew that he now possessed the proof he had so long sought in vain. Moreover, the whole city would rise in fury when she heard that the conspirators had wished to invade Rome with the aid of Gallic troops. So he promised to reward the envoys well if they would do as he bade them.
They were again to leave Rome, and to appear to be faithful to Catiline. But when they had gone a little distance they would be arrested. Nor were they to resist overmuch, while the letters they carried were to be given up after a mere show of reluctance.
The envoys agreed to do as the Consul wished, and soon the letters which betrayed the four conspirators within the city were in the hands of the Consul. They were at once arrested and put under guard, while one of them, being a prætor, was forced to resign his office.
Cicero then assembled the people, and delivered his third speech against Catiline and his fellow-conspirators.
When the people heard of the attempted league with Gaul they were roused to a frenzy. Their own leaders had betrayed them, and they were loud in their praise of Cicero for detecting the traitors' schemes.
The Consul had power to pronounce sentence of death on evil-doers, if it seemed necessary for the good of the State. But he did not use his power, begging the Senate rather to counsel him as to what sentence they should suffer.
Many of the senators urged that the four guilty men should be put to death, but Julius Cæsar was more merciful.
'Their crimes,' he said, 'deserve the severest punishment, but when the excitement is over, severity beyond the laws will be remembered, the crimes forgotten.'
He then proposed that the four men should be imprisoned for life, and that their property should be confiscated.
Cæsar's words almost won the day. But Cato, the great-
