THE SCIENTIFIC MONTHLY EDITED BY J. McKEEN CATTELL VOLUME XV JULY TO DECEMBER, 1922 NEW YORK 1922 CITY PARKS AND PLAYGROUNDS AS HEALTH AGENTS. Dr. James M. Anders__ 42 FINNISH POETRY-NATURE'S MIRROR. Professor Eugene Van Cleef____ WHAT IS INTELLIGENCE, AND WHO HAS IT? Professor Lightner Witmer 57 SOCIAL LIFE AMONG THE INSECTS. Professor William Morton Wheeler____ Entered as second-class matter November 9. 1921. at the Post Office at Utica, N. Y., under the Act of March 3. 1879. |