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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: J Exp Zool A Ecol Genet Physiol. 2012 Jul 2;317(8):467–480. doi: 10.1002/jez.1739

Fig. 3.

Fig. 3

Ventral and lateral views of a turtle head during a feeding strike on an earthworm suspended by thread from a hex nut weight. (A,C) Near the beginning of the strike. (B,D) Corresponding views near the end of the feeding strike. (E) Linear motion of the origin of the B-frame in the left-to-right direction during a feeding strike is indicated by the changing position of the blue dots. The beginning of the movement is indicated by the yellow asterisk. Red, green, and blue vectors indicate the angular motion of the B-frame during the strike.