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Fig. 6. A jump by Saldula in which the wings were being elevated at
take-off. (A) The wings were first opened 13 ms before take-off but the hind
legs did not move until 4 ms before take-off, at which time the wings were
being elevated. (B) Graph to show the position of the tip of the right front
wing at take-off in the 25 jumps where the wings were moved. The filled
circles indicate that the wing was being depressed and the open circles that
it was being elevated at take-off. The graph is superimposed upon a drawing of
Saldula taken from a jump in which the wings were moved.