“Ah!” he exclaimed dolefully, “poor black fellow—poor Jimmy!” and this started Jack Penny off laughing once more, which so exasperated Jimmy that he sprang up as sharply as if stung, and ran in a rage to where his black companions were eating their food.

“Here, hi! you black fellow, Jimmy done wid him. Jimmy gib boomerang. You no fro down wallaby.”

He held out his curious hard-wood weapon to Ti-hi, who took it, gazing at him wonderingly, while Jimmy glanced at us to see if we were about to relent and give him some breakfast.

“Jimmy going,” he said at last, loud enough for us to hear; but we paid no heed.

“Jimmy going; nebber come back no more,” he said in a louder voice; but no one turned a head.

“Jimmy go jump river. Big bunyip crocodile come eat poor Jimmy. All um very sorry. No see poor Jimmy not nev more.”

He glanced at us again, but we were laughing over our breakfast, though not so busy but that we were able to see the black fold his arms and stalk away, evidently under the impression that we should start up and arrest him; but no one moved.

“Big water bunyip glad get black fellow,” he said, as loudly as he could, and with a scornful look at us.

“Here, suppose we go,” said the doctor, rising.

“Go?” said Jack, getting up slowly, “where to?”