Mixed up with his excited cry I had heard a loud splintering and
sweeping of branches overhead; and now as we staggered into the
shadows it seemed that one of the elms was reaching down to touch us!
So, at least, the phenomenon presented itself to my mind in that
fleeting moment while Smith, uttering his warning cry, was hurling me
back.

Then the truth became apparent.

With an appalling crash, a huge bough fell from above. One piercing,
awful shriek there was, a crackling of broken branches, and a choking
groan . . .

The crack of Smith's pistol close beside me completed my confusion of
mind.

"Missed!" he yelled. "Shoot it, Petrie! On your left! For God's sake
don't miss it!"

I turned. A lithe black shape was streaking past me. I fired--once--
twice. Another frightful cry made yet more hideous the nocturne.

Nayland Smith was directing the ray of a pocket torch upon the fallen
bough.

"Have you killed it, Petrie?" he cried.

"Yes, yes!"

I stood beside him, looking down. From the tangle of leaves and twigs