Lord of the Flies by William Golding

The pig-run kept close to the jumble of rocks that lay down by the water on the other side and Ralph was content to follow Jack along it. If you could shut your ears to the slow suck down of the sea and boil of the return, if you could forget how dun and unvisited were the ferny coverts on either side, then there was a chance that you might put the beast out of mind and dream for a while. The sun had swung over the vertical and the afternoon heat was closing in on the island. Ralph passed a message forward to Jack and when they next came to fruit the whole party stopped and ate.

Sitting, Ralph was aware of the heat for the first time that day. He pulled distastefully at his grey shirt and wondered whether he might undertake the adventure of washing it. Sitting under what seemed an unusual heat, even for this island, Ralph planned his toilet. He would like to have a pair of scissors and cut this hair -- he flung the mass back -- cut this filthy hair right back to half an inch. He would like to have a bath, a proper wallow with soap. He passed his tongue experimentally over his teeth and decided that a toothbrush would come in handy too. Then there were his nails --