He called another member of his staff and gave a few brief orders.
In another ten minutes two launches loaded with regulars and armed with a rapid-fire gun in each, steamed swiftly up the harbor.
"There's the wall!" exclaimed Donald a few minutes later, "and there's where I jumped," pointing to a spot near the abutment.
The officer in command headed the boats for the shore.
"It is not only a question of freeing Lieut. Grimes," said the officer, "but we also want to capture the conspirators. This is a much more serious matter than Gen. Funston is willing to admit."
"Then if you will take my suggestion, sir," said Donald modestly, "I would let a few soldiers go over the wall as well as entering the front of the house."
The officer looked up twenty feet. The wall was absolutely perpendicular and as smooth as the side of a house.
"I'm afraid none of my men can scale it," he said.
"Can't we throw a grapnel over it, sir?"
"We might; but it would be a very slight hold."