the thing that had just been done before me!

"Abruptly, over by the door, I heard a faint noise--a sort of crickling
sound, and then a pitter or two upon the floor. A great nervous thrill
swept over me, seeming to run up my spine and over the back of my head;
for the seal that secured the door had just been broken. Something was
there. I could not see the door; at least, I mean to say that it was
impossible to say how much I actually saw, and how much my imagination
supplied. I made it out, only as a continuation of the grey walls.... And
then it seemed to me that something dark and indistinct moved and wavered
there among the shadows.

"Abruptly, I was aware that the door was opening, and with an effort I
reached again for my camera; but before I could aim it the door was
slammed with a terrific crash that filled the whole room with a sort of
hollow thunder. I jumped, like a frightened child. There seemed such a
power behind the noise; as though a vast, wanton Force were 'out.' Can
you understand?

"The door was not touched again; but, directly afterward, I heard the
basket, in which the cat lay, creak. I tell you, I fairly pringled all
along my back. I knew that I was going to learn definitely whether
whatever was abroad was dangerous to Life. From the cat there rose
suddenly a hideous caterwaul, that ceased abruptly; and then--too late--I
snapped off the flashlight. In the great glare, I saw that the basket had
been overturned, and the lid was wrenched open, with the cat lying half
in, and half out upon the floor. I saw nothing else, but I was full of
the knowledge that I was in the presence of some Being or Thing that had
power to destroy.