145] 



THE GOLDFISH AS A TEST ANIMAL— POWERS 



25 



100 



t 



4 

 3 

 2 

 1 



0.05. 0.1. 0.15. 0.2. 0.25. 0.3. 0.35. 0.4. 0.45. 0.5N. 



Figure 14. Strontium nitrate 



I 

 I 



/ « 



/ 



/ • m 



-7XY\ — ' 



Strontium Nitrate. 



TABLE XV 

 Temperature 21°C. December 14, 1916 



