Samba lay face downwards upon the yellow sand, amid which his body shone in the sunlight like polished ebony. Behind, the rising bank was thick with trees and shrubs ablaze with colour, overspread with the delicate tracery of lianas and, creeping plants. Here was a spot of red, there a dash of orange; at intervals the pale yellow flowers of climbing gourds and the mauve blossoms of convolvuli peeped from the wall of vivid green. Tiny rills made music...