Then he slowly rose, and looked with horrified face at the doctor.
"My God!" he cried; "who got the thirty grains of morphia ?" "What do you mean ?" asked the doctor.
"Mean?
Why, don't you see it?
It is a chemist's mistake.

Thirty grains of quinine have been sent you.

Thirty grains of morphia have been sent to somebody else.

Was it to William Brenton ?" "By Jove!" said the doctor, "there's something in that.

Say, let us go to the drug store." The two went out together, and walked to the drug store on the corner of Blank Street and Nemo Avenue.
"Do you know this writing ?" said Doctor Roland to the druggist, pointing to the label on the box.
"Yes," answered the druggist; "that was written by one of my assistants." "Can we see him for a few moments ?" "I don't know where he is to be found.