70 THK GROWTH OF THE BRAIN. 



TABLE 7. SHOWING THE ABSOLUTE INCREASE, PERCENTAGE 

 INCREASE, AND PERCENTAGE OF THE BODY-WEIGHT OF 

 THE PRINCIPAL VISCERA OF MAN BETWEEN BIRTH AND 

 THE AGE OF TWENTY-FIVE YEARS FEMALES. (H. Vierordt.) 



FEMALES. 



( i ) Weight of the several organs in grammes. 



BODY- 

 AGE. BRAIN. HEART. f JJ ; LIVER. KIDNEYS. SPLEEN. WEIGHT 

 LUNG. LUNG. IN KILOS. 



.2 3 



(2) Amount of increase, weight at birth being taken as unity. 



(3) Percentage value of the total body-iveight at the ages given. 



Li 



Here are recorded the weight changes in the brain, 

 heart, right lung, and left lung, kidneys (taken together), 

 the spleen, and the entire body. The averages for the 

 several organs are derived from observations on the 

 different cases, so that the individuals from whom the 

 liver was weighed are, for example, not always 

 individuals from whom the brain also was weighed. 



