Caduceus is a continuation of the older Indo-European dragon-slayer motif. Wilhelm Heinrich Roscher (1913) pointed out that the serpent as an attribute of both Hermes and Asclepius is a variant of the "pre-historic semi-chthonic serpent hero known at Delphi as Python", who in classical mythology is slain by Apollo. One Greek myth of origin of the caduceus is part of the story of Tiresias, who found two snakes copulating and killed the female with his staff. Tiresias was immediately turned into a woman, and so remained until he was able to repeat the act with the male snake seven years later.
Serpent Safari years at the Serpent Safari was confirmed by Guinness World Records as the heaviest living snake in captivity, weighing . After death, her actual length was determined to be 5.74 m (18 ft 10 in) which is the maximum length record for this species so far. Serpent Safari Serpent Safari was a reptile zoo located inside the Gurnee Mills Mall in Gurnee, Illinois, a suburb of Chicago, Illinois. The zoo advertised itself as "America's Finest Reptile Zoo." The zoo housed some of the rarest reptiles, including the world's heaviest snake (over 375 lbs. as of Feb. 2010), a rare albino