"Somebody must think of all the details," he said gently. "My brother will attend to it all."

"Count Allaire?"

"Yes. He is a master of detail," and the major smiled and nodded.

"You speak as though I were sure of getting across," Ruth whispered.

"Have no doubt, Mademoiselle. We must get over. Doubt never won in a contest yet. Have courage."

After another minute of jouncing about in the furiously driven ambulance, the girl continued her questioning:

"What am I to do first?"

"Do as you are told," he smiled.

"We are going toward the front now? Yes? And at what part of the line can we cross?"

"There is but one place where it is possible for you to get over. It is at the Savoie Swamps. It is a wild and deserted place—has always been. There is a little lake much sought by fishermen in the summers before the war started. The shores immediately about it are always marshy. At this season they are inundated."