SUBMARINE PICTURES TO BE SHOWN TONIGHT

Submarine photographs, taken by J. E. Williamson, the originator of undersea motion pictures, will be shown in connection with his lecture on "Beauty and Tragedy Under the Sea" which he will give at the Harvard Union tonight at 8 o'clock. The pictures represent the ocean-floor around the Bahama Islands.

While working for a newspaper several years ago, Mr. Williamson conceived the idea of taking undersea pictures from a water-tight, steel tube with a window in its bottom, suspended from an object on the surface. The plan worked successfully, and he soon organized a company of submarine photographers, and set out for the West Indies.

Since then he has improved the observation tube. It is flexable, having joints like the bellows of an accordion, and provides comfortable seating-room for six people at a time in the chamber at its lower end, from which they may observe the phenomena of the ocean-floor through a pane six feet in diameter. The tube, which may be raised or lowered at will, is suspended from the side of the mother ship.

Mr. Williamson has recently been studying the habits of fishes, and collecting specimens of coral in cooperation with the American Museum of Natural History and the Field Museum of Chicago. Some of these specimens weigh from three to four tons, and require careful work with dynamite and cables for their successful salvage.