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  1. Evolution of the colors of North American land birds,
    By: Keeler, Charles Augustus, - Keeler, Charles Augustus, - Scheerman, J. G. - California Academy of Sciences.
    Publication info: San Francisco, California,Academy of Sciences,1893.
    Contributed by: Cornell University Library
    Subjects: 1893  Animals  Birds  California  Color  Heredity  Variation  
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  2. The hawks and owls of the United States in their relation to agriculture.
    By: Fisher, A. K. - Salmon, D. E. - Cornell University.
    Publication info: Washington,Govt. Print. Off.,1893.
    Contributed by: Cornell University Library
    Subjects: 1893  Birds  Hawks  Imprints (Government Printing Office)  Owls  United States  Washington (D.C.)  
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  3. On the fresh-water copepoda of the central and western United States of America /
    By: Sharpe, Richard Worthy,
    Publication info: 1893.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: 1893  Anatomy  Copepoda  Freshwater invertebrates  Geographical distribution  Science  Theses  UIUC  
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  4. Proceedings of the Natural Science Association of the University of Toronto.
    By: University of Toronto.
    Publication info: Toronto :[The Association],1893-
    Contributed by: Fisher - University of Toronto (archive.org)
    Subjects: 1893  canimp  Natural history  Ontario  
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  5. Public school physiology aand temperance / by William Nattress.
    By: Nattress, William. - Ontario.
    Edition: 42nd ed.
    Publication info: Toronto :W. Briggs,c1893.
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: 1893  Alcohol  canimp  Physiological effect  physiology  Temperance  
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