They reached the end of the quay again and stood talking, and when they
turned once more the sergeant was surprised and gratified at the ease
with which he bore off Venia. Mr. Turnbull and Blundell followed some
little way behind, and the former gentleman's suspicions were somewhat
lulled by finding that his friend made no attempt to take the inside
place. He looked about him with interest for a likely victim, but in
vain.

"What are you looking at?" he demanded, impatiently, as Blundell suddenly
came to a stop and gazed curiously into the harbour.

"Jelly-fish," said the other, briefly. "I never saw such a monster. It
must be a yard across."

Mr. Turnbull stopped, but could see nothing, and even when Blundell
pointed it out with his finger he had no better success. He stepped
forward a pace, and his suspicions returned with renewed vigour as a hand
was laid caressingly on his shoulder. The next moment, with a wild
shriek, he shot suddenly over the edge and disappeared. Venia and the
sergeant, turning hastily, were just in time to see the fountain which
ensued on his immersion.

[Illustration: "With a wild shriek, he shot suddenly over the edge and
disappeared."]

"Oh, save him!" cried Venia.

The sergeant ran to the edge and gazed in helpless dismay as Mr. Turnbull
came to the surface and disappeared again. At the same moment Blundell,