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. 



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

 G. S. 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 



