It came with the wind through the silence of the night, a long, deep mutter, then a rising howl, and then the sad moan in which it died away.

Again and again it sounded, the whole air throbbing with it, strident, wild, and menacing.

The baronet caught my sleeve and his face glimmered white through the darkness.
"My God, what's that, Watson ?" "I don't know.

It's a sound they have on the moor.

I heard it once before." It died away, and an absolute silence closed in upon us.