Front matter
Reading edition
LITTLE BLUE BOOK NO. 720
Edited by E. Haldeman-Julius
The Intelligence of Invertebrate Animals
Maynard Shipley
HALDEMAN-JULIUS COMPANY
GIRARD, KANSAS
Copyright, 1924 Haldeman-Julius Company
PRINTED IN THE UNITED STATES OF AMERICA
THE INTELLIGENCE OF INVERTEBRATE ANIMALS