were seen through the bones of the fingers, showing that the bones
were transparent to the lead.

In making this picture, Professor Pupin excited his tube by means of a
powerful Holtz machine, thus following Dr. Morton in the substitution
of statical electricity for the more common induction coil.

Professor Pupin sees no reason why the whole skeleton of the human
body should not be shown completely in a photograph as soon as
sufficiently powerful bulbs can be obtained. He thinks that it would
be possible to make Crookes tubes two feet in diameter instead of a
few inches, as at present.

Thomas A. Edison has also been devoting himself, with his usual
energy, to experiments with the Röntgen rays, and announces
confidently that in the near future he will be able to photograph the
human brain, through the heavy bones of the skull, and perhaps even to
get a shadow picture showing the human skeleton through the tissues of
the body.




THE HOUSEHOLDERS.

BY "Q,"

AUTHOR OF "DEAD MAN'S ROCK," "THE ROLL-CALL OF THE REEF," ETC.