EVOLUTION AID ANIMAL LIFE 





AN ELEMENTARY DISCUSSION OF 



FACTS, PROCESSES, LAWS AND THEORIES RELATING 

 TO THE LIFE AND EVOLUTION OF ANIMALS 



BY 

 DAVID STARR JORDAN 



PRESIDENT OF LELAND STANFOR^^fuNIOR UNIVERSITY 



AND 



VERNON LYMAN KELLOGG 



PROFESSOR OF ENTOMOLOGY, AND LECTURER IN BIONOMICS 

 IN LELAND STANFORD JUNIOR UNIVERSITY 



Time, whose tooth gnaws away everything 

 else, is powerless against Truth. HUXLEY. 



NEW YORK 



D. APPLETON AND COMPA 



1907 



t. B. L LIBRARY 



