PHASES IN THE LIFE OF THE INDIVIDUAL 667 



2'2 pounds ; from three up to six months it is 1'3 pounds ; and 

 from six months up to three years 0-7 pound. It is said that 



Fig. 145. — (From Minot's Problem of Age, Growth, and Death, 

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



probably m.any horses continue to grow until they are six years 



old.i 



'■ Smith (F.), Veterinary Physiology, 3i'd Edition, London, 1907. 



