CHAPTER VIII

--PIGMENTS

Types and classes; the chlorophylls, chemical constitution, similarity of chlorophyll and hæmoglobin, properties of the chlorophylls; the carotinoids, carotin, xanthophyll, lycopersicin, and fucoxanthin; phycoerythrin and phycophæin; the anthocyans; the anthoxanthins; the production of ornamental pigments in flowers, etc.; the functions of pigments; references 102-123

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