13} 



THE GOLDFISH AS A TEST ANIMAL— POWERS 



17 



Fig. 



1.) This last point is better illustrated by the curves represented in 

 Figures 2 to 20. These curves are logarithmic in nature. See pages 48, 51 

 for discussion of the theoretical equation for the velocity of fatality curve. 



TABLE VIII 

 AMMONruM Nitrate. Temperature 21° C. December 18, 1916 



