tears dimmed their eyes and they had to turn away.

"It will be mighty hard on Jimmy and Arnold," muttered Roy, gazing
somberly at the fast-flowing river. "To have their dad go that way!
They'll take it mighty hard--those boys."




Chapter XXIII

A Moonlight Apparition



"Let's look around a little anyway," Betty suggested. "He may possibly
have been swept up on the shore farther down the river."

"If such a thing were possible he would probably be dead anyway," Frank
protested, but the girls paid no attention to him. The mere suggestion
that the professor might still be alive and in need of assistance was
enough for them, and they set about feverishly to scour the woods on both
sides of the river and for a considerable distance down its shores.

After an hour of vain search, however, they were forced to conclude that
the old man was indeed dead, and so reluctantly and with heavy hearts they
turned their steps back toward Wild Rose Lodge.

They talked very little on the way back, for they were too occupied with
their own gloomy thoughts. Only once Betty spoke what was in the minds of