"Him with the shell." "Ralph! Ralph!" "Let him be chief with the trumpet-thing." pg. 22 This shows us that the boys are trying to establish some form of leadership.
"We're on an island. We've been on the mountaintop and seen water all around. We saw no house, no smoke, no foot prints, no boats, no people. we are on an uninhabited island with no other people on it." pg. 32. They realize that they are stranded on an island without adults.
"I got the conch!" said piggy indignantly. "Ralph they ought to shut up, oughtn't they?" pg. 83 Piggy is trying to get serious and have a meeting for further needs.