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Fig. 1. Representative stride cycles on the treadmill of D. rotundus in
lateral view (A) walking at 0.12 m s1 and (B) bounding at
0.60 m s1; (C) M. tuberculata moving at 0.35 m
s1. The time between frames differs in the three sequences
(40, 24 and 16 ms, respectively). The background is a 1 cm2 grid.
Dorsal views of the same three sequences are shown in D, E and F,
respectively.