Caduceus eloquence). The caduceus is often incorrectly used as a symbol of healthcare organizations and medical practice, particularly in North America, due to confusion with the traditional medical symbol, the Rod of Asclepius, which has only one snake and is never depicted with wings. It is thought that this symbol's long lasting association with the medical profession stems from early use of twigs to draw out long bodied inter muscular parasitic worms by wrapping them slowly around the twig so as not to break them or allow them to escape back into the body, a successful treatment still in use today,
A Contract with God as they find their way out of the tenement's, and the city's, confinement. According to academic Derek Royal, Jewish ethnicity is prominent throughout the stories; in "A Contract with God" and "Cookalein", religious and cultural Jewish symbolry are prominent, though in the middle two stories, there is little outward evidence of the characters' Jewishness. The two outer stories further emphasize Jewish identity with the extra-urban portions of their settings—the rural Russian origin of the religious Hersh in "Contract", and the Catskill mountains in "Cookalein", a retreat commonly associated with Jews in the 20th century. Eisner deals with representing Jewish identity