An illustration of an atheris burtoni, a species of viper. These snakes are found all over the world, except in Australia and Madagascar. All have relatively long hinged fangs that permit deep penetration and injection of venom.
GalleriesSnakes and Lizards
Encyclopaedia Britannica (11th ed., vol. 28) (New York, NY: The Encyclopaedia Britannica Company, 1910)