'606'."

Godowski had rung the call box hastily for a messenger, when Long
Sin, who had managed stealthily to creep up to the doctor's
laboratory window, scowled, through at the action--then moved
away.

While his assistant gathered the apparatus, the doctor wrote:

MISS ANNE SEPTIX, 301 W.--th St.

Please go at once to the apartment of Craig Kennedy,--Claremont
Ave. Surgical case.

GODOWSKI, M. D.

The boy arrived finally and the doctor gave him a generous tip to
hurry with the note.

He had not turned the corner, however, when Long Sin appeared.
Subtly he played on the boy's cupidity to get him to deliver a
note of his own, even offered to deliver the boy's note for him.
The flash of a five dollar bill made the rest easy.

As the boy disappeared on a fake errand, Long Sin, with the real
note hurried down-town, smiling wickedly.

"They have discovered the fever, Master," he reported in the den.

Wu was beside himself with rage. Before he could speak, however,