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Figure 3


Fig. 3. Trail-following swimming pattern of N. succinea upon encountering a trail of CSSG at an oblique angle. (A) Two CSSG trails were present, as outlined. The concentration of CSSG in the syringe was 10–7 mol l–1, yielding a trail concentration <10–8 mol l–1. (A–D) Successive images of the path swum by the animal (indicated by the broken line in D). The 10 cm calibration in A applies to all parts.