One venomous creature there is in this country which may justly be termed a public peril, in the widest sense. Proportionately to population, more victims fall to it yearly in the United States than to the dreaded cobra in India. Some twelve thousand Americans are killed every year by its bite. Three hundred thousand more are made seriously ill from the after effects. Unfortunately, the virus works so slowly that alarm is stilled. The victims do not sicken at once. The bite is forgotten; but ten days or two weeks after, the subject falls into a fever. His blood is poisoned within him. Eventually, in extreme cases, he becomes delirious, succumbs to a stupor, and dies.

   Yet, because there is nothing horrific............