Additional file 4.

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Movie of osmotic pressure in Phelsuma species. Accelerated movie (×16) showing the effect of dehydration (in air) and rehydration on the structural color generated by iridophores. Note that the yellow pigments had been removed before the experiment.

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Saenko et al. BMC Biology 2013 11:105   doi:10.1186/1741-7007-11-105