141] 



THE GOLDFISH AS A TEST ANIMAL— POWERS 



21 



Minutes 

 2760 



2640 

 2520 

 2400 

 2280 

 2160 

 2040 

 1920 

 1800 

 1680 



1560 •- 



1 

 1440 - 



1320 



1200 



1080 



— + 



Minutes 

 1920 



1800 



1680 



1560 



1440 



1320 



1200 



1080 



960 



840 



720 



600 



480 



360 



240 



120 



+ I 



^^^ . I — ^^ _^^^^ ^^^_^^ ^^^^^_ ^-^^— ^ ^^^^^^ 



_ i 



+ ' 



— W j^ 



I m 

 \ -^ 

 \ ^ 

 \ X • 1 



— «'> I I I 



100 



t 



16 



15 



14 



13 



12 



11 



10 

 9 

 8 

 7 

 6 

 S 

 4 

 3 

 2 

 1 



0.05. 0.1. 0.15. 0.2. 0.25. 0.3. 35. 0.4. 0.45. 0.5N. 



Figure 9. Strontium chloride 



100 



0.05. 0.1. 0.15. 0.2. 0.25. 0.3. 0.35. 0.4. 0.45. 0.5. 0.55. 0.6N. 



Figure 8. Calcium chloride 



