I suppose it was just for a second.

I think--I lost consciousness for a moment, although I was still standing up.

The next thing I remember is that I found myself shrieking and running here--and the jewels had gone!" "You saw no one ?" her son asked incredulously.

"You heard nothing ?" "I heard no footsteps.

I saw no one," Mrs.Rheinholdt repeated.
The Professor turned away.
"If you will allow me," he begged, "I am going to telephone to my friend Mr.Sanford Quest, the criminologist.