The 
Evolution of the Horse. 
A Guide Leaflet to the Collection 
in the 
Department of Vertebrate Palaeontology 
of the 
American Museum of Natural History. 
By 
W. D. MATTHEW, Pu.D., 
ASSOCIATE CURATOR OF VERTEBRATE PALEONTOLOGY. 
GUIDE LEAFLET No. 9. 
SUPPLEMENT TO THE AMERICAN MUSEUM JOURNAL, 
Votume III, No. 1, JANUARY, 1903. 
New York. Published by the Museum, 
Second Edition, May, 1905 
