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Keywords from Image Description:
A handbook to the marsupialia and monotremata Plate XXXVII . ' ' Plate XXXVII Illustration biodiversitylibrary org title Lydekker Richard Biodiversity Heritage Library handbook to the marsupialia and monotremata TWITTER POSTS Encyclopedia of Life Images Marsupials Monotremes taxonomy binomial Ornithorhynchus anatinus Ornithorhynchus