SERI!

OF POPULAR ADDRESSES ON

1; E EVOLUTION OF LIFE

BY

DAVID STARR JORDAN, PH. D.

PRESIDENT OF LELAND STANFORD JUNIOR UNIVERSITY

WITH SUPPLEMENTARY ESSAYS BY

EDWIN GRANT CONKLIN, PH. D.

PROFESSOR OF COMPARATIVE EMBRYOLOGY
IN THE UNIVERSITY OF PENNSYLVANIA

FRANK MACE MCFARLAND, PH. D.

ASSOCIATE PROFESSOR OF HIS LOGY
IN LELAND STANFORD JUNIOR UNIVERSITY

JAMES PERRIN SMITH, PH. D.

PROFESSOR OF PALEONTOLOGY IN
LELAND STANFORD JUNIOR UNIVERSITY

NEW YORK

D. APPLETON AND COMPANY

A SERIES OF POPULAR ADDRESSES ON THE EVOLUTION OF LIFE