container, to the bottom of which was attached a long tube. This
container he raised high over our heads, clamping the tube.

Then he fastened a tiny needle to the end of the tube, so that it
could be inserted in our arms, catching skillfully a vein--a very
difficult piece of work in which he excelled. The liquid would
then flow by the force of gravity from the container down through
the tube, through the hollow needle and into the vein where it
would act on the germs of the fever.

They had finished their preparations and were waiting for Miss
Septix. "She ought to be here, now," muttered Godowski
impatiently, looking at his watch.

Just then a cab drove up outside.

"Perhaps that is she," he exclaimed. "It must be."

A few moments later the door of the apartment opened. His face
showed his disappointment. It was a stranger.

"Miss Septix is ill," she introduced, "and sent me to take her
place."

The doctor looked about. "Very well, then," he said briskly,
seeing his preparations. "Are you ready to go ahead?"

She nodded and threw off her coat that covered her immaculate
white uniform.