we were all four as white as paper, and sat tongue-tied and motionless round the table.

"A snail," I said at last; for I had heard that these animals make a noise somewhat similar in character.

"Snail be d——d!" said Northmour. "Hush!"

The same sound was repeated twice at regular intervals; and then a formidable voice shouted through the shutters the Italian word "Traditore!"

Mr. Huddlestone threw his head in the air; his eyelids quivered; next moment he fell insensible below the table. Northmour and I had each run to the armory and seized a gun. Clara was on her feet with her hand at her throat.

So we stood waiting, for we thought the hour of attack was certainly come; but second passed after second, and all but the surf remained silent in the neighborhood of the pavilion.

"Quick," said Northmour; "upstairs with him before they come."