The id is the oldest of the sections involved in psychoanalysis (Freud 14). It relies upon instincts to make decisions, and everything in the id is genetically inherited at birth (Freud 14). Golding's Jack in Lord of the Flies is most representative of the id, as he primarily relies upon hunting as a means of gathering food, and bands his followers together in a tribe which utilizes little communication and acts primarily upon impulse. "He [Jack] tried to convey the compulsion to track down and kill that was swallowing him up (Golding 51)." Jack posses all the characteristics of the id: he is violent, he resorts to primordial instincts in many cases, and he fails to utilize language effectively to voice his concerns and opinions.
The ego is the intermediary between the id, and the superego. The id's primary function is to create a balance between the two extremes, with that balance being the most favorable for both pleasure and survival. "...in relation to the id...[the ego decides] whether they are allowed satisfaction, by postponing that satisfaction to times and circumstances favorable in the external world or by suppressing their excitations entirely (Freud 14-15)." Ralph most definitely represents the ego, especially with his regulation of the fire, allowing the boys to play (allowing satisfaction) when appropriate, but also to man the fire when it is