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.