THE GROWTH OF THE BRAIN. 



born is the greater ; the total difference is therefore the 

 algebraic sum of two opposite tendencies, causing a loss 

 of water from some of the tissues, and an increase of it in 

 others. From the comparative constancy of the specific 



FiG. 8. Showing the relative proportions of the child and adult. 

 (Langer.) 



gravity after the first years of life it follows that in 

 measuring the increase of the entire body, the increase 

 in weight and in volume will be very nearly the same. 



The study of growth by weighing furnishes the best 

 measure of the total changes of the body. It is easy to 



