Photographs of maxillipeds in the crab Carcinus. (A) Views of the ventral (outside) surfaces of the exopodites and flagella of the three right maxillipeds. Scale bar 1 mm. (B) Higher power view of the outside of the joint between the exopodite and flagellum of maxilliped 2. Scale bar 0.5 mm. (C) A plumose seta from the flagellum of maxilliped 2. Scale bar 125 μm. (D) Drawing of the maxillipeds in relation to the oral cavity and other appendages. The same colour coding of the maxillipeds is used in Figures 2 and 3. Scale bar 5 mm.