176 ANIMALS OF THE PAST 
REFERENCES. 
The best collection of fossil horses, and one specially 
arranged to illustrate the line of descent of the mode n 
horse, is to be’ found in the American Museum of Natu- 
ral History, New York, but some good specimens, of par- 
ticular interest because they were described by Professor , 
Marsh and studied by Huxley are in the Yale University 
Museum. They are referred to in Hualey’s “A 
ican Addresses; Lectures on Evolution” “The 
Horse,” by Sir W. H. Flower, discusses the horse m a 
popular manner from various points of 7 view and contain 
numerous references to books and articles on the me 
Srom which anyone wishing for further information con 
obtain i. 
