And the report getting about, my door was besieged of a morning with a crowd of youngsters, leading by pieces of string or carrying in their arms miserable dogs, and still more miserable cats, that they were quite ready to sacrifice for a small coin.
I thus had no difficulty in procuring subjects to practice upon.
Every day saw dead bodies carried from the laboratory, or the small room I had rented near it, and in which my wretched victims awaited their turn, or passed their last moments.
I worked with enthusiasm for about a month, and then, to my great delight, discovered what I was in search of.
Opening the door one morning as I was going for a walk, I found standing outside a dog that had been sent away for dead a week before.
It astonished me.
I took him inside and examined him.
Yes! there could be no doubt of it, the marks of the snake's fangs were still on his leg.
Here at last was a chance to make a name.
After experimenting some time on my animals, I was convinced the antidote was reliable.
The quantity of antidote being proportioned to the strength of each animal, I found, by admin-
