The fourth sign of Zodiac calendar, Cancer is represented as a Crab. Greek mythology has it that it was an enormous creature sent by the popular Greek Goddess - Hera from the swamp to find against Herakles during his battle with the Lernaean Hydra. The crab was crushed beneath the heels of Herakles. Hera later set it in the zodiac as one of the twelve signs.
Leo: July 23rd - August 23rd
The fifth sign of the Zodiac, Leo is represented by the Greeks as a Lion. This Lion is believed to be the terrible Nemean Lion that bore a skin no weapon could penetrate. The legendary Herakles or Hercules strangled this lion to death. However, Hercules lost one of his fingers in the fight. He then used its skin as armor and its head as a helmet. Zeus set the Lion in the Zodiac to honor the bravery of Hercules.
Virgo: August 24th - September 23rd
The sixth sign of Zodiac calendar, Virgo is represented in the Greek zodiac calendar as a Virgin or 'maid'. Greek myths have it that the Virgin is Lustia, the daughter of Astraeus and Ancora, or Erigone, the daughter of Lcarus, or even Apollo's daughter, Parthene, meaning 'virgin'. In Genesis, she is considered to be Eve who originally crushed the head of the Scorpio.