Serpent (symbolism) Typhon is thus the chthonic figuration of volcanic forces. Serpent elements figure among his offspring; among his children by Echidna are: Cerberus (a monstrous three-headed dog with a snake for a tail and a serpentine mane); the serpent-tailed Chimaera; the serpent-like chthonic water beast Lernaean Hydra; and the hundred-headed serpentine dragon Ladon. Both the Lernaean Hydra and Ladon were slain by Heracles. Python was the earth-dragon of Delphi, she always was represented in the vase-paintings and by sculptors as a serpent. Pytho was the chthonic enemy of Apollo, who slew her and remade her former home his own oracle, the
Black snake (firework) Black snake (firework) Black snake (or Sugar snake) and Pharaoh's serpent are two similar types of firework. After being lit, both fireworks begin to smoke and spew out ash resembling a snake via an intumescent reaction. They stay on the ground and do not emit sparks, flares, any form of projectiles, or any sound, but may release smoke. Sodium bicarbonate which produces carbon dioxide gas, and sugar forming carbon containing ash, are common chemicals used for the black snake demonstration. Other sources report the contents as "a nitrated mixture of linseed oil and naphthalenes". The traditional "Pharaoh's serpent" version of