"Chloroform!" he cried, as he smelt of the contents of the vial, just as the others came in.

"Where did you get that?" asked Dora.

"Found it under the table, along with this letter. Crabtree must have dropped both."

"Let me see the letter!" cried Dick.

Tom passed it over, and all three read the communication with interest. It had been sent to Josiah Crabtree while the latter had been stopping in New York, and was post-marked Albany.

"It's from Dan Baxter," said Dick.

The letter ran as follows:

"Dear Mr. Crabtree:

"I drop you a few lines as promised. I have seen my father and his plans are about completed. The Rovers think they have the upper hand, but when he gets out of jail he will be able to show them a thing or two and surprise them. If you go to Cedarville I will meet you there on the 5th of next month—at the old meeting place. We won't have Mumps, the turncoat, to bother us, and maybe we can lay plans for a fat deal all around. Anyway, we ought to square accounts with those Rover boys. They treated both of us outrageously and they ought to suffer for it.

"Yours as faithfully as ever,