Seldom was either officer or man twice on duty here during the month.

With such a large amount at stake every precaution was taken." "Are there any rooms at the right or left of this corridor in which the thieves could have concealed themselves while they fired the mine ?" "No, the corridor leads to the treasure chamber alone." "Then," said Jennie, "I can't see how it was possible for a number of men to have made away with the treasure in such circumstances as exist here." "Nevertheless, my dear young lady, the treasure is gone.

We think that the mine was laid with the connivance of one or more officers on duty here.

You see the amount at stake was so large that a share of it would tempt any nine human beings out of any ten.

Our theory is that the train was laid, possibly electric wires being used, which would be unnoticed along the edge of the corridor, and that the bribed officer exploded the dynamite by bringing the ends of the wires into contact.