WEIGHT OF MANDIBLES 



197 



The weight of the cranium at 42 body weights has also been 

 determined by Donaldson and Conrow ('19) and the results 

 are given in table 134 and Chart 26. 



"iO 50" 



Chart 26 Absolute weight of the cranium — fresh, room-dried and oven-dried 

 — on body weight (albino rat). Table 134. 

 • Fresh. A Room dried. X Oven dried. 



TABLE 135 



Absolute and relative weight of the fresh mandibles. The relative weights are based 

 on the weight of the cranium, taken from table 134 



As it is sometimes important to recover the weight of the 

 cranium when it has been destroyed by dissection, table 135 is 

 introduced giving the weight of the two mandibles with teeth, 



