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Fig. 1. Absorbance spectra of rods and cones. (A) Middle-wave sensitive double
cones from T. bernacchii. (B) Rods from T. hansoni. (C)
Short-wave sensitive single cones from T. loennbergii. Open symbols,
before bleaching; filled symbols, after white light bleaching. Solid lines are
visual pigment templates (Govardovskii et
al., 2000) with
max at 490 (A), 501 (B) and 426
nm (C). (D) Distribution histogram of rods and cones from D. mawsoni.
Filled bars, rods; hatched bars, MWS single cones; open bars MWS double cones
and SWS single cones; bin size 2 nm.