666 THE PHYSIOLOGY OF REPRODUCTION 



while the change from the initial rapid decline to the subsequent 

 slow decline was more gradual than in the other two animals. 



P&tcpy>vtaA}& Jn4>te/)ne^nid JSaS6v6a 



TriaAj 



03 8 I3I823F8333B 55 



J06t 



ISO 



Fio. 144. — (From Minot's Problem of Age, Growth, and Death, 

 G. iS. Putnam & Sons, and John Murray.) 



The mean weight of the foal at birth is said to be 112 pounds. 

 During the first three months the average daily increase is 



