CHAPTER XVIII.
A SECRET SOCIETY.
It was a clear, starlight night.

Diggory was one of the first to leave the dining-hall, and, passing swiftly out of the quadrangle, was soon hurrying across the junior playing field.

On reaching the pavilion, all was quiet and deserted, and he stood for a moment considering what should be his next step.
The thin hedge dividing the two playgrounds was by this time bare of leaves, and afforded no hiding-place; the only chance of concealment was to take shelter inside the den itself--a place which has already been described.

This, however, seemed rather like venturing into the lion's mouth.

What was going to happen?
Would anything take place, or was it only a wild-goose chase after all?
"Here goes!" muttered Diggory to himself.