How is the setting depicted at the beginning of Chapter 4? What is the daily life like on the island at this point in the novel?

The boys become accustomed to the pattern of their days on the island. Tropical life presents its own challenges with which the boys struggle to adapt to. They work for a while but eventually succumb to play or sleep. The heat and fatigue of the tropics makes many boys listless. They still rely on their old traditions of eating throughout the day.