"I'm goin' t' try it myself."

"You're not!"

"I am!"

Both boys burst into a laugh. It was an amiable thing to do. And there could have been no better preparation for the work in hand.

"Look here, Billy——" Archie began.

"No," Billy insisted; "it won't do. You haves your way always, Archie. An' now I'm goin' t' have my turn at it. I'll try it first. An' if I gets across you can follow."

"You might stumble."

"I know that."

"Look here, Billy——"