Distortions of the exopodites of maxilliped 2 of the crab Carcinus during abduction. (A, B, C) Three photographs taken at the times indicated from a sequence captured at 250 images s-1 as the flagellum recoiled from a forced abduction. Scale bar 0.5 mm. (D, E) Drawings of the maxilliped at its most abducted and adducted positions. The small horizontal arrows point to dark spots on the exopodite which mark the distortions that occur during the recoil from abduction to adduction. Scale bar 0.5 mm.