"Give up," answered Bud. "We'll have to take another look after we get our first shipment out of the way."
For the first bunch of steers from the Flume Valley camp were to be disposed of shortly.
It was the day when this shipment was to be made that Bud, awakening early in the tent where he slept with his cousins, uttered an exclamation of surprise as he caught sight of something on the blanket that covered him.
"What's the matter?" asked Dick, sitting up.
"Did you leave this here?" asked Bud, as he held up a piece of board, evidently part of a packing case.
"Me? No!" answered Dick. "What is it?"
"Either it's a joke, or it's the black rabbit getting in his work," answered Bud. "It's from an unknown enemy—another warning!"
And, as Bud held up the board, Nort and Dick could read, scrawled on it, evidently with a fire-blackened stick, the words:
"Warning No. 2. When will you quit?"