America's scientific elite, gathered at Cincinnati for the 75th anniversary meeting of the American Association for the Advancement of Science, heard and saw fresh miracles of the heavens and earth and the creatures that inhabit them.
Evolution and Heredity. The "keynote speech" was delivered by Dr. J. Playfair McMurrich, professor of anatomy at the University of Toronto, President of the Association in 1922 (by custom, the presidential address is given by the president of the preceding year). He devoted his time to a retrospective view of biological...
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