Ralph calls a meeting due to the kids letting the fire go out as a Naval ship passed the island. This is important because this meeting is when the conflict between Jack and Ralph have the argument that either a fire on meat is more important as well as which is more important survival or pleasure.
Percival is finally going through hysteria. This is important because it shows that the little ones have now come to the point of breaking. This shows that the goal now is no longer hope for rescue but rather survival.
Piggy talks to the boys and tries to convince them that there is no beast while he is being made fun of for his portliness. This is important because he tries to explain that the beast could not exist on the island. this would stop the panic and calm the little ones