When the Cæsar had finished speaking, and he fell swooning back in the arms of the praefect of Rome, the conspirators remained quite still, staring at one another, dumbfounded.

Could any man at that moment have divined the secrets of the heart and looked into the thoughts of all these men, what a medley of terror and of lust, of rage and of jealousy, would have been unfolded before his eyes.

The plotters were like men who, falling to with axe and pick to demolish a building, had seen that same building collapse beneath their feet. They had sat quietly by all the day watching the events, content that these would shape themselves in accordance with their will. Young Escanes from time to time fingered the poniard which he had hidden under his tunic, Hortensius Martius gave free rein to his ardent admiration of Dea Flavia, Ancyrus, the elder, kept watch over every phase of the temper of the audience—its apathy, its excitement, its murmurs of dissatisfaction and cries of enthusiasm.

Only Caius Nepos, white to the lips, sat in terror lest the courage of the conspirators whom he had betrayed should fail them at the eleventh hour, and he—branded as a false informer—be left to encounter the fury of an almighty Cæsar, who had never been known to relent.

The speech of Caligula had of a truth struck strangely upon his hearers. The men who had been willing to wait upon chance for the success of their plot, now found that Chance had waited upon them. The thought of treachery did not at first enter their minds. The freaks of the crazy Emperor were as numerous and as varied as the grains of sand in the arena. That he should offer the hand of his kinswoman as a prize to a victor in the arena, was not inconsistent with his perpetual desire for new sensations, his lust of tyrannical power and his open contempt for all his fellow-men.

His allusions to his probable successor had seemed futile and of no account, and they all felt that they had wallowed so deeply in the mire of conspiracy together, that it could not have served the purpose of any one of them to betray the others.

The first moment of stupefaction had quickly passed away, and even before the Cæsar had recovered consciousness Hortensius Martius had risen to his feet. There had been no hesitation in him from the first. Whilst the others pondered—vaguely frightened at this turn given by Chance to her wheel—he was ready to stake his life for the possession of Dea Flavia and of the imperium. His passion for the beautiful woman would have led him into far wilder extravagances and into far graver dangers than an encounter in a public arena with a wild beast, and the momentary degradation of offering his patrician person as a spectacle for the plebs.

And because of this sudden decision, taken boldly whilst others wavered, he became tacitly the leader of the gang of plotters. When he jumped to his feet, ready to descend into the arena, he seemed to challenge them to keep their oath of allegiance to him, who would succeed in winning Dea Flavia for wife.

Hortensius Martius had proved himself to be a true opportunist, for he had seized his opportunity just at the right moment when the others hesitated. Thus are leaders made—one bold movement whilst others sit still, one step forward whilst the others wait.

"Thy chance, O Hortensius Martius," whispered Marcus Ancyrus, the elder, close to the young man's ear. "Escanes and the rest of us will be ready when the time comes, mayhap before thou dost return to us from below."