It was a scrap of paper, and on it were some drops of blood.
There was a peculiar smile on his face as he put this in his pocket, and through his mind this thought was running:
“I would like to be as sure of getting ten thousand dollars as I am that the verdict of the microscope will be—not human blood!”
CHAPTER XX.
AT THE CHEMIST’S.
Nick Carter went downtown.
He turned his steps toward the East Side after leaving the cars, and finally ran up the steps of a house.
In response to his ring a servant came to the door, of whom he inquired:
“Is the professor in?”
“I don’t know, sir. If you will step into the hall, and give me your name, I will go and see.”