NATURE-PLAY 



337 



Excavating in a Rancho La Beea Fossil Bed. At a depth of ten feet, a nest 

 of bones yielded the remains of a bison, two lions, a wolf, horse and other animals. 

 Photographed by L. E. Wyman, through the courtesy of Frank S. Daggett, Director, 

 Museum of History, Science and Art. 



The child, learning that the horse walks on the tips of the middle fingers 

 and the middle toes, becomes fascinated with the story of the evolution 

 of this animal, through thousands of generations, from a small mammal 

 about the size of a dog, which had five fingers on each hand and five toes 

 on each foot. 



In our excursions to the asphalt fossil beds of Eancho La Brea, down 



