a, b, c, examples of medium-coarse Chincha fabrics (16-1282,
16-1217, 16-1252), fair to good qualities of weaving; d, worn
material reinforced by patches held down by running stitches
(16-1222). Dark section of b, 1.25 inches wide; a and c in
proportion; upper patch of d, 9 inches by 6 inches.