Plate 2.Chiton species photographed in situ; 1. Enoplochiton niger, Isla Playa Ramada, 123 mm; 2. Radsia barnesii, Sur Playa Ramada, 22 mm; 3. Tonicia atrata, Sur de Playa Brava, 30 mm; 4. Tonicia chilensis, Playa Mansa, 32 mm. Scale bars are: 1 cm for 2 and 4, 2 cm for 3 and 4 cm for 1.