> ...a number of studies were done on colour discrimination
> in bees.  Does anyone still have access to that literature?

I did not read through every page, but here is a search with many
good-looking hits:

http://tinyurl.com/8f9u3

allen

I would rather be exposed to the inconveniences attending too much liberty
than to those attending too small a degree of it.
            -- Thomas Jefferson, to Archibald Stuart, 1791

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