animals with many carnivorous enemies. The Mesohippus is already 

 a superb mechanism, more delicate in its proportions than any modern 

 race horse and probably equal in fleetness for short distances. 





.MOBIL Of FOMJLOIO H0m___ 



SERIES EOCENE TO OLIGOCENE 



Remains of hundreds of these animals are found in the beds of old 

 watercourses which traversed the region now politically divided into 

 South Dakota, Nebraska, Colorado, and Montana. The recapture of 

 a complete skeleton from these ancient watercourses and floodplain 

 basins is a very rare event. The rocks have, however, yielded to the 

 persistent search of the very able corps of explorers engaged in the 

 work, most of whom are natives of our Western States. Especially 

 we may mention James W. Gidley of South Dakota, who was in charge 

 of the Whitney explorations for three years, and Barnum Brown of 

 Kansas. Recently Mr. Walter Granger of Vermont has with great 

 success taken up the search in the Rockies for the oldest American 

 horses. These remains are generally found in a very fragmentary con- 

 dition; they have been repaired and set up by Mr. Adam Hermann, 



head preparator, and his assistants. 



[24] 



