"Yes, there was one."
"Have we passed it?"
"No."
"Then it's ahead of us."
"It ought to be. I say, suppose we stop a minute and brush the snow off these trees so to make sure we really are on the trail."
"A bully idea!"
The boys put down their packs and reconnoitred.
"There don't seem to be any marks on these trees," Van asserted after an interval of search.
"But there must be."
"Find them then—if you can."