“I guess so,” rejoined Rob; “we might easily have missed it.”
“Let’s get the others!” exclaimed Merritt. “See, the ruby glow is masking the Three Brothers.”
“That’s so,” agreed Rob, “this is the place, beyond a doubt.”
By this time the other canoes had been beached and their occupants were presently gazing in wrapt wonder at the spectacle. As the sun rose higher they could see the glow diminishing.
“Your ancestor chose his hiding place well,” said the professor to Major Dangerfield, “only at sunrise and at sunset can the glow be visible. At any other hour of the day there would be nothing unusual about that rock but its shape.”
Suddenly Tubby broke into song. He caught at the others’ hands. In a jiffy the Boy Scouts were dancing round in a joyous circle, singing at the top of their lungs:
“Ruby glow! ruby glow!
We have sought you long, you know!
Now you’re found we won’t let go
Till we get the treasure—ruby glow!”