being swept away tomorrow, or the day after.

The author gratefully acknowledges his indebtedness to Munsey's
Magazine, McClure's Magazine and the Sunday Magazine Syndicate for
permission to copy herein various portions of his chapters from those
publications.

W. T. H.

The Anchorage, Stamford, Conn. December 19, 1921.




ILLUSTRATIONS


Overpowering Curiosity of a Mountain Sheep
Christmas at the Primates' House
The Trap-Door Spider's Door and Burrow
Hanging Nest of the Baltimore Oriole Great
Hanging Nests of the Crested Cacique
"Rajah," the Actor Orang-Utan
Thumb-Print of an Orang-Utan
The Lever That Our Orang-Utan Invented
Portrait of a High-Caste Chimpanzee
The Gorilla With the Wonderful Mind
Tame Elephants Assisting in Tying a Wild Captive
Wild Bears Quickly Recognize
Protection Alaskan Brown Bear,