Pl. IVLion-tailed macaque. A grey ruff around a black face. Listens first.Pl. VICommon marmoset. White ear tufts, striped tail, looking straight at you.Pl. VIIIMacacus libidinosus. The plate’s own name for it; mid-stride.Pl. IIIRed-bellied guenon. Red waistcoat, white collar, branch for a stage.Pl. XIISilvery marmoset. Pale as paper, with a black tail.Pl. XIVMonk saki. A shaggy cloak with a face peering out.Pl. XVIIProboscis monkey. All nose, climbing for a fruit.Pl. XXIIIKing colobus. A long pale mane, reaching out.Pl. XXRed howler. Rust red, and loud about it.Pl. XXVIBlack-tufted marmoset. Ear tufts like paintbrushes.