Dead silence followed this appeal: but at last Bruno said "I'll get under, if it won't jingle my elbows."
Satisfied on this point, Bruno crawled under the blankets, and, after a minute or two, crawled out again, very hot and dusty, and with his hair in the wildest confusion.
"What did you see in the box?" Sylvie eagerly enquired.
"I saw nuffin!" Bruno sadly replied. "It were too dark!"
"He has described the appearance of the thing exactly!" the Professor exclaimed with enthusiasm. "Black Light, and Nothing, look so extremely alike, at first sight, that I don't wonder he failed to distinguish them! We will now proceed to the Third Experiment."
The Professor came down, and led the way to where a post had been driven firmly into the ground. To one side of the post was fastened a chain, with an iron weight hooked on to the end of it, and from the other side projected a piece of whalebone, with a ring at the end of it. "This is a most interesting Experiment!" the Professor announced. "It
