A species of snake common in the United States and one of the largest found there, measuring sometimes over six feet in length- It is of a leaden color, is very swift in its movements, and readily climbs trees. Though it bites readily, it is not poisonous, and is an enemy to the rattlesnake, which it coils around end crushes to death. It feeds on small animals, seeks eggs in the poultry-yard and milk or cream in dairies. It is easily tamed.