"The Shell and the Glasses"

In the chapter "The Shell and the Glasses" Piggy and Ralph talk about Simon's death. Piggy keeps saying it was an accident and it didnt happen. Ralph says it was not an accident and it was meant to happen. They decided to forget it happened all together. They continue to keep their fire going, except at night. When they go to bed this night they hear someone saying Piggy's name. All of a sudden their shelter is busted down and there is a fight between Ralph, Piggy, and the twins. They realize that it was jack and his group because as they run away they have Piggy's glasses, but they didnt get to conch.