Nora uttered a shrill peal of laughter.

"Don't," begged Anne.

"You've got a bad attack of the willies," groaned Hippy in a tone of disgust that brought a half-hearted laugh from his companions, though, had they been willing to admit it, they too felt something of the depression that was reflected in Emma Dean's face and voice.

Work on the camp finished, the Overland Riders put out the fire and turned in, Henry rolling himself up into a furry ball, Hindenburg snuggling down between Tom and Hippy. Only forest sounds, now faint and far away, marred the solemn impressive stillness of the Big North Woods, a stillness that was destined to be rudely interrupted ere the dawn of another day.


CHAPTER VII

FELLED BY A MYSTERIOUS BLOW

When Grace awakened late in the night the feeling of oppression with which she had gone to sleep still lay heavy upon her. The faint soughing of a breeze in the tree tops, the light thuds of falling pine cones, were the only sounds to be heard outside of the breathing of her companions who were sleeping soundly.

Suddenly her ears caught a distant roar, and a few drops of rain pattered on the tent.