PHOTOGRAPHS BY
YVETTE BORUP ANDREWS
Photographer of the
Second Asiatic Expedition
D. APPLETON AND COMPANY
NEW YORK: LONDON: MCMXXI
COPYRIGHT, 1921, BY
D. APPLETON AND COMPANY
PRINTED IN THE UNITED STATES OF AMERICA
THIS BOOK IS AFFECTIONATELY DEDICATED TO
Dr. J. A. ALLEN
WHO, THROUGH HIS PROFOUND KNOWLEDGE, UNSELFISH
DEVOTION TO SCIENCE, AND NEVER-FAILING SYMPATHY
WITH YOUNGER STUDENTS OF ZOÖLOGY HAS
BEEN AN EXAMPLE AND AN INSPIRATION DURING
THE YEARS I HAVE WORKED AT HIS SIDE.