Fig. 7. (A) Representative velocity field including vectors near the aft region of a steadily swimming squid during jet emission, U=25 cm s^-1, t=0.3 s, t/t_j=0.5. In (A) the aft section of the squid is shown in white. Every other vector has been removed from the original data for clarity. (B) The sub-region of the velocity field in A surrounding the jet. The region was rotated so that the jet axis (x') is horizontal and a regular grid of vectors was interpolated at the approximate resolution of the original data. The white regions in the lower left- and right-hand corners are regions of no data.