"Will you swear?"

Speyer readily took the oath, insisting that Morton should swear in turn to keep his part of the condition.

"Now let me see the letters."

"I must send to my lodgings for them. If you will come back in two hours, you shall have them."

"I should have thought you would keep them by you."

"No; but they are safe. Come back at twelve with the money for my fine, and they shall be here for you."

Morton had no sooner left the room, than Speyer despatched an underling of the jail to buy for him a few sheets of the thin, half-transparent paper in common use for European correspondence. This being brought, he opened his trunk, and delving to the bottom, drew up a leather case, from which he took the letters in question. Laying the thin paper over them, he proceeded to trace with a pen an exact facsimile. He was well practised at such work, and after one or two failures, succeeded perfectly. Folding his counterfeits after the manner of the originals, he placed them in the envelopes belonging to the latter; and within a half hour after his task was finished, Morton reappeared.

Speyer gave him one of the facsimiles. He read it attentively, without seeing the imposture. The handwriting, though disguised, was evidently Vinal's; but it had neither the signature of the writer, nor Morton's name. The place of each was supplied by a cipher.

"Reference is made here to another letter. Where is it?"

Speyer gave him the second counterfeit. The envelope bore a postmark of a few days later than the first. The note contained merely the names of Morton and Vinal, with ciphers affixed, referring to those in the first letter.