522 



ON INCREASE IN SIZE 



[PT. Ill 



The instantaneous percentage growth-rate is shown in Fig. 83 b 

 related to the temperature. The effect of temperature on the earliest 



phase of growth is obviously the greatest of the three ; in other 

 words, in the earlier stages rise in temperature has a proportionally- 

 greater effect on the instantaneous percentage growth-rate than in 

 the later stages. In the intermediate stage the rise is not so steep 



