It was almost noon of the second day when the D-16, still following in the wake of the Russian cruiser, anchored in the harbor of Petrograd.

“I shall be pleased,” said Lord Hastings, “to pay my respects to Czar Nicholas.”

“I fear,” said the Russian, “it may be impossible, for he is very busy these days with affairs of state.”

“Nevertheless,” said Lord Hastings, “I have his command to always present myself when in Russia.”

“In that case,” said the Russian, “it is, of course, different.”

“And this time,” said Lord Hastings, “I shall present to his majesty my first officer, Mr. Templeton, and my second officer, Mr. Chadwick.”

CHAPTER XVIII.
A PLOT.

“What do you suppose that fellow is sneaking along like that for?” asked Jack.

Frank shrugged his shoulders.

“Search me,” he replied.