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2 Titles tagged with "Bill (Anatomy)"
  1. Beiträge zur Kenntniss des Epitrichiums und der Bildung des Vogelschnabels / von Edward G. Gardiner.
    Publication Info: Leipzig,1884.
    Contributed By: Smithsonian Institution Libraries
    Tags: Bill (Anatomy)  Birds  Embryology  Epidermis  Keratinization  Physiology  
  2. Secondary sexual characters and ecological competition.
    Publication Info: [Chicago]Chicago Natural History Museum,1952.
    Contributed By: University of Illinois Urbana Champaign
    Tags: Bill (Anatomy)  Sex (Biology)