"Well, well," he sighed at last, "we can only wait and see." He picked up the letter and at once noticed the Sydney postmark. "Who the devil's writing to me from Sydney," he muttered, "and marking the envelope 'private' too?"
Opening the letter he found its contents to consist of four pages of closely written matter. It was simply headed Sydney and was dated three days previously. The writing was quite unknown to him and curiously he turned to the end of the letter for the signature. It was signed "Shell-shock."
Very puzzled he turned back to the first page and read as follows:
Sydney.
Monday afternoon.
To Inspector Romilly of the City of Adelaide Police,
Dear Sir,
Although this letter is not signed, please, for your own sake, read it very carefully through. I see by the newspapers
