A HISTORY OF LAND MAMMALS IN
THE WESTERN HEMISPHERE

THE MACMILLAN COMPANY
NEW YORK · BOSTON · CHICAGO · DALLAS
ATLANTA · SAN FRANCISCO

MACMILLAN & CO., Limited
LONDON · BOMBAY · CALCUTTA
MELBOURNE

THE MACMILLAN CO. OF CANADA, Ltd.
TORONTO

Frontispiece.—A Pleistocene tar-pool in southern California: †Giant Wolves (Canis †dirus) and †Sabre-tooth Tiger (†Smilodon californicus) on the carcass of an elephant (Elephas †columbi). The elephant is hairless, as may have been true of the southern race.

A
HISTORY OF LAND MAMMALS
IN THE
WESTERN HEMISPHERE

BY
WILLIAM B. SCOTT
Ph.D. (Heidelberg), Hon.D.Sc. (Harvard & Oxford), LL.D. (Univ. of Pennsylvania)
BLAIR PROFESSOR OF GEOLOGY AND PALÆONTOLOGY
IN PRINCETON UNIVERSITY

ILLUSTRATED WITH 32 PLATES AND MORE THAN 100 DRAWINGS
BY BRUCE HORSFALL

New York
THE MACMILLAN COMPANY
1913

Set up and electrotyped. Published November, 1913.

Norwood Press
J. S. Cushing Co.—Berwick & Smith Co.
Norwood, Mass., U.S.A.

Dedicated
TO
MY CLASSMATES
HENRY FAIRFIELD OSBORN and FRANCIS SPEIR
IN MEMORY OF A NOTABLE SUMMER AFTERNOON
IN 1876 AND IN TOKEN OF FORTY
YEARS’ UNCLOUDED FRIENDSHIP

Speak to the earth and it shall teach thee.

—Job, xii, 8.

Can these bones live?

—Ezekiel, xxxvii, 3.

A HISTORY OF LAND MAMMALS INTHE WESTERN HEMISPHERE

A HISTORY OF LAND MAMMALS IN
THE WESTERN HEMISPHERE