Historical reference: Do not rely on this information. It is very old. About this collection
Puff-Adder (Clotho arietans), a very venomous South African viper, which, when irritated, puffs out the anterior part of the body. It lies half-buried in sand, and is often trodden on, with terrible consequences, before it is noticed. The body is thick, and the length from four to five feet.