The rock struck Piggy a glancing blow from chin to knee; the conch exploded into a million white pieces and ceased to exist. (pg 181)
But there isn't a beast! (pg 37)
Jack was bent double. He was down like a sprinter, his nose only a few inches from the humid earth. (pg 48)
Jack wrenched free and swung at Ralph with his spear. By common consent they were using the spears as sabers now no longer daring the lethal points. (pg 177)
Simon was inside the mouth. He fell down and lost consciousness. (pg 144) The symbolism in this scene is the fact that the Satan like beast has taken control of the angelic figure which is Simon and therefore symbolizes the fall of man.
Even in the rain they could see how small of a beast it was; and already its blood was staining the sand. (pg 153) Savagery due to isolation is a dangerous thing especially to those in contact with it.