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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bohn, Georges,
    Publication info: [Paris, G. Carré & C. Naud], 1901
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Cells  Chromatin  Pigmentation and Pigments  Pigments (Biology)
  2. By: Palmer, Leroy Sheldon,
    Publication info: New York, The Chemical Catalog Company, Inc, 1922
    Holding Institution: MBLWHOI Library
    Subjects: Carotenoids  Pigments (Biology)