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  1. The Columella auris in Amphibia.
    By: Kingsbury, Benjamin Freeman, - Reed, H. D.
    Publication info: 1909.
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.79:14,78  Amphibians  Anatomy  Columella auris  
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  2. The structure of the Columella auris in the Pelycosauria / by E. D. Cope.
    By: Cope, E. D. (Edward Drinker),
    Publication info: [Washington :s.n.,1885].
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Columella auris  Pelycosauria  Reptiles, Fossil  
    BHL Collections: Bone Wars Collection
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