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Fig. 4. Absorbance spectra derived from partial bleaches of long wavelength rhodopsins in eyes of completely intact butterflies. The solid curves are idealized spectra based upon the A1-SSH template (Stavenga et al., 1993). (A) R522 of Siproeta stelenes; dorsal retina, filled dots and unfilled dots ventral retina of the same animal. (B) R510 of Junonia coenia, from the medio-ventral retina. (C) R530 of Inachis io, from the ventral retina just below the acute zone. (D) R534 of Nymphalis antiopa, from the medio-equatorial retina. Absorbance units are one-way, base-10 densities of rhabdom content, averaged over all illuminated ommatidia.





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