The Colour-Sense
The Colour-Sense
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In our eReader you can find the full English version of the book. Read The Colour-Sense Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Colour-Sense
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11.
3 Ibid., p. 176. 4 "Nature," November 22, 1877.
Digitized by VjOOQlC 90 THE COLOUR-SENSE.
during the last few years have positively teemed with similar instances from all parts of the world.
Furthermore, the varying colours of flowers seem adapted, as we saw in the last chapter, to attract parti- cular insects at particular periods of inflorescence. I have already mentioned the case of a Zantana described by F. Mtiller as altering in hue at different times during its maturation, being yello...w on the first, orange on the second, and purple on the third day. " This plant," says Mtiller, " is visited by various butterflies. As far as I have seen, the purple flowers are never touched. Some species inserted their proboscis both into yellow and into orange flowers (Danais erippus, Pieris aripa) ; others, as far as I have hitherto observed, exclusively into the yellow flowers of the first day (Heliconius apseudes, Colcenis julia, Eurema leuce). ... If the flowers fell off at the end of the first day, the inflorescence would be much less conspicuous : if they did not change their colour, much time would be lost by the butterflies inserting their proboscis in already fertilised flowers." 1 In another species of the same genus the flowers are lilac, but the entrance of the tube is marked with yellow, surrounded by a white circle.
What to read after The Colour-Sense?
You can find similar books in the "Read Also" column, or choose other free books by Allen Grant to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
11.
3 Ibid., p. 176. 4 "Nature," November 22, 1877.
Digitized by VjOOQlC 90 THE COLOUR-SENSE.
during the last few years have positively teemed with similar instances from all parts of the world.
Furthermore, the varying colours of flowers seem adapted, as we saw in the last chapter, to attract parti- cular insects at particular periods of inflorescence. I have already mentioned the case of a Zantana described by F. Mtiller as altering in hue at different times during its maturation, being yello...w on the first, orange on the second, and purple on the third day. " This plant," says Mtiller, " is visited by various butterflies. As far as I have seen, the purple flowers are never touched. Some species inserted their proboscis both into yellow and into orange flowers (Danais erippus, Pieris aripa) ; others, as far as I have hitherto observed, exclusively into the yellow flowers of the first day (Heliconius apseudes, Colcenis julia, Eurema leuce). ... If the flowers fell off at the end of the first day, the inflorescence would be much less conspicuous : if they did not change their colour, much time would be lost by the butterflies inserting their proboscis in already fertilised flowers." 1 In another species of the same genus the flowers are lilac, but the entrance of the tube is marked with yellow, surrounded by a white circle.
What to read after The Colour-Sense?
You can find similar books in the "Read Also" column, or choose other free books by Allen Grant to read onlineMoreLess
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