CONTENTS AND CONTRIBUTORS 



PAGE 



BUTTERFLIES AND MOTHS AS EVIDENCE OF 



EVOLUTION 174 



Edward Bagnall Poulton, F.R.S., MA., Hon. 

 LL.D. (Princeton), Hon. D.Sc. (Durham, 

 Dublin), D.Sc. (Sydney). 



Hope Professor of Zoology in the University of Oxford. 



Romanes Lecturer, Oxford, 1915. 



President of the Entomological Society of London, 1903-04, 



1925-26. 

 President Linnaean Society of London, 1912-16. 

 Pupil of Alfred Russel Wallace. 



EVOLUTION OF THE BEE AND THE BEEHIVE . .186 



Sir Arthur Everett Shipley, F.R.S., G.B.E., M.A., 

 Sc.D., F.Z.S., F.L.S., Hon. D.Sc. (Princeton), 

 Hon. LL.D. (Michigan), Hon. M.Sc. (Drexel 

 Institute) . 



Vice-Chancellor of Cambridge University, 1917-19. 

 Master of Christ's College, Cambridge. 

 Late Vice-President Linnaean Society. 



THE EVOLUTION OF ANTS 210 



William Morton Wheeler, Ph.D., Sc.D. 



Professor of Entomology and Dean of the Bussey Institu- 

 tion for Research in Applied Biology, Harvard University. 



Member Research Association of Social Insects, American 

 Museum of Natural History. 



Fellow American Academy Arts and Natural History. 



Fellow American Association for the Advancement of 

 Science. 



Member National Academy of Sciences. 



Member New York Academy of Sciences. 



Member American Philosophical Society. 



THE EVOLUTION OF THE HORSE AND THE ELE- 

 PHANT 225 



Frederic Brewster Loomis, B.A., Ph.D. 



Professor of Geology, Amherst College. 



Fellow American Academy Arts and Sciences. 



Member American Association for the Advancement of 



Science. 

 Fellow Geological Society of America. 



[ xviii } 



