CONTENTS AND CONTRIBUTORS 



PAGE 



EDITOR'S PREFACE vii 



FOREWORD ix 



Professor Henry Fairfield Osborn, LL.D., D.Sc, 

 A.B., Sc.D., Ph.D. 



President of the American Museum of Natural History, 



New York City. 

 Research Professor of Zoology, Columbia University. 

 Honorary Fellow of the Royal Society, London. 

 Member National Academy of Sciences. 

 Pupil of Thomas H. Huxley. 



INTRODUCTION xi 



Sir Charles Scott Sherrington, O.M., F.R.S., 

 G.B.E., LL.D., M.A., M.D., D.Sc, F.R.C.P., 

 F.R.C.S. 



Retiring President Royal Society. 



Waynflete Professor of Physiology, Oxford University. 



Fullerian Professor of Physiology, Royal Institution of 



Great Britain. 

 Royal Medallist, Royal Society. 

 Baly Gold Medallist, Royal College of Physicians. 

 Foreign Member of the National Academy of Sciences. 



EVOLUTION— ITS MEANING 1 



David Starr Jordan, M.S., M.D., Ph.D., LL.D. 



Chancellor Emeritus, Leland Stanford University. 



Member Zoological Society, London. 



President American Association for the Advancement of 



Science, 1909-10. 

 President World's Peace Congress, 1915. 



WHY WE MUST BE EVOLUTIONISTS 13 



J. Arthur Thomson, M.A., LL.D. 



Regius Professor of Natural History, Aberdeen University. 

 Gifford Lecturer, St. Andrews, 1915. 

 terry Lecturer, Yale University, 1924. 



