HITHERTO UNPUBLISHED PLATES 
OF 
TERTIARY MAMMALIA 
AND - 
PERMIAN VERTEBRATA 
Prepared under the Direction of 
EDWARD DRINKER COPE 
for the di 
U. S. Geological Survey of the Territories 
with 
Descriptions of Plates 
by 
WILLIAM DILLER MATTHEW 
PUBLISHED AND DISTRIBUTED 
WITH THE COOPERATION OF T 
UNITED STATES GEOLOGICAL SURVEY 
BY THE 
AMERICAN MUSEUM OF NATURAL HISTORY et ASF. 
MONOGRAPH SERIES NUMBER 2 gS 
1915 | 
