He brought forth the knife and dug the blade into the soil among the stones. But it would not hold and merely brought down more of the wall at his feet. Then, without warning a big mass of dirt came down, hurling him to the bottom of the pocket and covering him completely.
A big mass of dirt came down.
CHAPTER IX
HOCKLEY SHOWS HIS TRUE COLORS
Professor Strong had been studying a guide book which he carried. Presently he closed the volume, put it into his pocket, and leaped to his feet.
“Come, boys, I think we had better be on our way.”
“I’m ready,” answered Darry, and aroused Frank.
Hockley was close at hand, throwing stones at some birds in a neighboring tree. Now he stopped and walked over to the railroad track.
“Where is Mark?”
Several asked the question at the same time, and all looked around for their companion.