And then, under this high-pitched, ringing sound there was another, more intermittent, a low, deep-chested laugh, a growling, throaty gurgle of merriment which formed a grotesque accompaniment to the shriek with which it was blended. For three or four minutes on end the fearsome duet continued, while all the foliage rustled with the rising of startled birds. Then it shut off as suddenly as it began. For a long time we sat in horrified silence. Then Lord John threw a bundle of twigs upon the fire, and their red glare lit up the intent faces of my companions and flickered over the great boughs above our heads.

“What was it?” I whispered.

“We shall know in the morning,” said Lord John. “It was close to us⁠—not farther than the glade.”