“And an emerald necklace,” added the boy with a laugh.

“I have a notion that if you find Pedro you will find the necklace, unless you find him too late—after he has disposed of it.”

“That may be,” Ned replied, doubtingly, “but we are not likely to run across Pedro over here. Neither shall we see His Nobbs. They have played their roles, and we shall have new ones to contend with now.”

That night the boys took possession of the cottage in the jungle, dancing and prancing about it like wild Indians. It all seemed to them to be too good to be true. Here they were, at last, on the Canal Zone, and, in a way, in the secret service of the government. It was late when they retired, and no guard was set.

This Ned regretted, after the others were asleep, and so lay awake a long time, watching. Then, about midnight, he saw some one looking in at the porch door.


CHAPTER VI.

A BOMB AND A RUINED TEMPLE.

Ned lay perfectly still and the door was closed again, with the figure still on the outside. There were no lights inside the cottage, and it was a fairly clear night, so the boy could see the man standing on the porch, the wire screen in the door robbing his figure of sharp outline.