TY - JOUR AU1 - Osborn,, Fairfield AB - Article PDF first page preview Close This content is only available as a PDF. Copyright 1960 by the American Institute of Biological Sciences TI - Keynote Address JF - BioScience DO - 10.2307/1292653 DA - 1961-02-01 UR - https://www.deepdyve.com/lp/oxford-university-press/keynote-address-XplnUIbQfn SP - 21 EP - 23 VL - 11 IS - 1 DP - DeepDyve ER -