THE revelation of Tom Ayrton’s name was like a clap of thunder. Ayrton had started up quickly and grasped his revolver. A report was heard, and Glenarvan fell wounded by a ball. Gunshots resounded at the same time outside.

John Mangles and the sailors, after their first surprise, would have seized Ben Joyce; but the bold convict had already disappeared and rejoined his gang scattered among the gum-trees.

The tent was no shelter against the balls. It was necessary to beat a retreat. Glenarvan was slightly wounded, but could stand up.

“To the wagon — to the wagon!” cried John Mangles, dragging Lady Helena and Mary Grant along, who were soon in safety behind the thick curtains.

John and the Major, and Paganel and the sailors seized their carbines in readiness to repulse the convicts. Glenarvan and Robert went in beside the ladies, while Olbinett rushed to the common defense.

These events occurred with the rapidity of lightning. John Mangles watched the skirts of the wood attentively. The reports had ceased suddenly on the arrival of Ben Joyce; profound silence had succeeded the noisy fusillade. A few wreaths of white smoke were still curling over the tops of the gum trees. The tall tufts of gastrolobium were motionless. All signs of attack had disappeared.

The Major and John Mangles examined the wood closely as far as the great trees; the place was abandoned. Numerous footmarks were there and several half-burned caps were lying smoking on the ground. The Major, like a prudent man, extinguished these carefully, for a spark would be enough to kindle a tremendous conflagration in this forest of dry trees.

“The convicts have disappeared!” said John Mangles.

“Yes,” replied the Major; “and the disappearance of them makes me uneasy. I prefer seeing them face to face. Better to meet a tiger on the plain than a serpent in the grass. Let us beat the bushes all round the wagon.”

The Major and John hunted all round the country, but there was not a convict to be seen from the edge of the wood right down to the river. Ben Joyce and his gang seemed to have flown away like a flock of marauding birds. It was too sudden a disappearance to let the travelers feel perfectly safe; consequently they resolved to keep a sharp lookout. The wagon, a regular fortress buried in mud, was made the center of the camp, and two men mounted guard round it, who were relieved hour by hour.

The first care of Lady Helena and Mary was to dress Glenarvan’s wound. Lady Helena rushed toward him in terror, as he fell down struck by Ben Joyce’s ball. Controlling her agony, the courageous woman helped her husband into the wagon. Then his shoulder was bared, and the Major found, on examination, that the ball had only gone into the flesh, and there was no internal lesion. Neither bone nor muscle appeared to be injured. The wound bled profusely, but Glenarvan could use his fingers and forearm; and consequently there was no occasion for any uneasiness about the issue. As soon as his shoulder was dressed, he would not allow any more fuss to be made about himself, but at once entered on the business in hand.

All the party, except Mulrady and Wilson, who were on guard, were brought into the wagon, and the Major was asked to explain how this DENOUEMENT had come about.

Before commencing his recital, he told Lady Helena about the escape of the convicts at Perth, and their appearance in Victoria; as also their complicity in the railway catastrophe. He handed her the Australian and New Zealand Gazette they had bought in Seymour, and added that a reward had been offered by the police for the apprehension of Ben Joyce, a redoubtable bandit, who had become a noted character during the last eighteen months, for doing deeds of villainy and crime.

But how had McNabbs found out that Ayrton and Ben Joyce were one and the same individual? This was the mystery to be unraveled, and the Major soon explained it.

Ever since their first meeting, McNabbs had felt an instinctive distrust of the quartermaster. Two or three insignificant facts, a hasty glance exchanged between him and the blacksmith at the Wimerra River, his unwillingness to cross towns and villages, his persistence about getting the Duncan summoned to the coast, the strange death of the animals entrusted to his care, and, lastly, a want of frankness in all his behavior — all these details combined had awakened the Major’s suspicions.

However, he could not have brought any direct accusation against him till the events of the preceding evening had occurred. He then told of his experience.

McNabbs, slipping between the tall shrubs, got within reach of the suspicious shadows he had noticed about half a mile away from the encampment. The phosphorescent furze emitted a faint light, by which he could discern three men examining marks on the ground, and one of the three was the blacksmith of Black Point.

“‘It is them!’ said one of the men. ‘Yes,’ replied another, ‘there is the trefoil on the mark of the horseshoe. It has been like that since the Wimerra.’ ‘All the horses are dead.’ ‘The poison is not far off.’ ‘There is enough to kill a regiment of cavalry.’ ‘A useful plant this gastrolobium.’

“I heard them say this to each other, and then they were quite silent; but I did not know enough yet, so I followed them. Soon the conversation began again. ‘He is a clever fellow, this Ben Joyce,’ said the blacksmith. ‘A capital quartermaster, with his invention of shipwreck.’ ‘If his project succeeds, it will be a stroke of fortune.’ ‘He is a very devil, is this Ayrton.’ ‘Call him Ben Joyce, for he has well earned his name.’ And then the scoundrels left the forest.

“I had all the information I wanted now, and came back to the camp quite convinced, begging Paganel’s pardon, that Australia does not reform criminals.”

This was all the Major’s story, and his companions sat silently thinking over it.

“Then Ayrton has dragged us here,” said Glenarvan, pale with anger, “on purpose to rob and assassinate us.”

“For nothing else,” replied the Major; “and ever since we left the Wimerra, his gang has been on our track and spying on us, waiting for a favorable opportunity.”

“Yes.”

“Then the wretch was never one of the sailors on the Britannia; he had stolen the name of Ayrton and the shipping papers.”

They were all looking at McNabbs for an answer, for he must have put the question to himself already.

“There is no great certainty about the matter,” he replied, in his usual calm voice; “but in my opinion the man’s name is really Ayrton. Ben Joyce is his nom de guerre. It is an incontestible fact that he knew Harry Grant, and also that he was quartermaster on the Britannia. These facts were proved by the minute details given us by Ayrton, and are corroborated by the conversation between the convicts, which I repeated to you. We need not lose ourselves in vain conjectures, but consider it as certain that Ben Joyce is Ayrton, and that Ayrton is Ben Joyce; that is to say, one of the crew of the Britannia has turned leader of the convict gang.”

The explanations of McNabbs were accepted without discussion.

“Now, then,” said Glenarvan, “will you tell us how and why Harry Grant’s quartermaster comes to be in Australia?”

“How, I don’t know,” replied McNabbs; “and the police declare they are as ignorant on the subject as myself. Why, it is impossible to say; that is a mystery which the future may explain.”

“The police are not even aware of Ayrton’s identity with Ben Joyce,” said John Mangles.

“You are right, John,” replied the Major, “and this circumstance would throw light on their search.”

“Then, I suppose,” said Lady Helena, “the wicked wretch had got work on Paddy O’Moore’s farm with a criminal intent?”

“There is not the least doubt of it. He was planning some evil design against the Irishman, when a better chance presented itself. Chance led us into his presence. He heard Paganel’s story and all about the shipwreck, and the audacious fellow determined to act his part immediately. The expedition was decided on. At the Wimerra he found means of communicating with one of his gang, the blacksmith of Black Point, and left traces of our journey which might be easily recognized. The gang followed us. A poisonous plant enabled them gradually to kill our bullocks and horses. At the right moment he sunk us in the marshes of the Snowy, and gave us into the hands of his gang.”

Such was the history of Ben Joyce. The Major had shown him up in his character — a bold and formidable criminal. His manifestly evil designs called for the utmost vigilance on the part of Glenarvan. Happily the unmasked bandit was less to be feared than the traitor.

But one serious consequence must come out of this revelation; no one had thought of it yet except Mary Grant. John Mangles was the first to notice her pale, despairing face; he understood what was passing in her mind at a glance.

“Miss Mary! Miss Mary!” he cried; “you are crying!”

“Crying,............