78 



ANATOMY 



The values as thus obtained are given in table 45 and chart 7. 



These show that while the diameters in length and width in- 

 crease in a similar manner, the increase in height is slow. The 

 details of these relations are given in the original paper (loc. 

 cit.). 



TABLE 45 



Giving the brain weights for each brain weight group, the cube roots of the brain 



weights and the linear measurements for width, length and height of the 



cerebrum. Albino rat 



The growth of the callosum. The growth of the callosum in 

 area has been followed by Suitsu ('20). The brains were fixed 

 in formalin- — treated with Weigert's rapid mordanting fluid, 

 imbedded in parlodion, sectioned as near the median plane as 

 possible and stained by the Kultschitzky-Wolters method. The 

 calculated areas of the callosum obtained from this material 



