re of a mysterious vessel which was said to be an infernal machine, which was to be used for all sorts of treasonable purposes, including the trifling pastime of scuttling and blowing up Government men-of-war.
For a few days past the police have had their attention directed to the movements, not of a long, low, black schooner; but of an iron submarine boat, to which very extraordinary abilities and infernal propensities were attributed.
The Harbor Police, under the direction of Lieutenant Benjamin Edgar, were directed to be especially spry, and they kept their optics wide open for the mysterious stranger.
Yesterday afternoon they stumbled upon a queer contrivance which lay at the lower end of Smith's Island, and proved to be the submarine monster of which they were in search.
Externally it had the appearance of a section of boiler about twenty feet long, with tapered ends, presenting the shape and appearance of an enormous cigar with a boiler iron wrapper, and for all the worl