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Fig. 3. Typical normalized visual pigment absorbance spectra, in this case from Anolis cristatellus. The filled circles and smooth curves are for the best-fit visual pigments calculated from vitamin-A1-based template data. (A) Long-wavelength-sensitive pigment; (B) medium-wavelength-sensitive pigment; (C) short-wavelength-sensitive pigment; (D) ultraviolet-sensitive pigment.