Fig. 7. Assessment of the tendency for a novel landmark to repel bees. Ratios of bees turning just before the landmark to those turning at the landmark; black bars, familiar landmark; grey bars, novel landmark. The black line shows the ratios of bees turning before and after the landmark in Experiment 3 only. The conditions were `Landmark at unit 4', `Landmark at unit 9' and `Landmark at unit 14'.