Involuntarily she shrank back out of sight. The next instant the schooner had faded away into the fog. The dog ceased barking.
"What was it?" asked Lucile anxiously.
"Only a face."
"Who?"
"The man who wanted the blue envelope; Rover recognized him first."
"You don't suppose he knew, and is following?"
"How could he know?"
"But what is he going to Siberia for?"
"Perhaps to trade. They do that a great deal. Let's not talk of it."
Marian shivered.
The incident was soon forgotten. They were nearing the Siberian shore which was to be their summer home. A million nesting birds came skimming out over the sea, singing their merry song as if to greet them. They would soon be living in a tent in the midst of a city of tents. They would be studying a people whose lives are as little known as were those of the natives in the heart of Africa before the days of Livingstone.