"Dave! Dan!" quivered Dick's voice. "Come running! It's Greg."
There was a sound of running feet—then a thump. Dave Darrin was still coming, but Dan had tripped over some little obstacle and had fallen flat.
"Hold on, there, you two!" howled Dan. "I've hurt my knee. Wait until I reach you."
But Dave and Dick paid no heed. Once more they had heard the snorts, and had made a dash for a low ledge of rock, from behind which they believed the sounds to have come.
Then both young leaders of the Grammar School boys gave a joyous whoop, mingled with dismay.
CHAPTER XII
THE BOY WITH THE OAKUM TASTE
"Hustle, Dan! We've found him!" rang Dave Darrin's voice, echoing through the rock-bound spaces.