100 

 80 

 60 

 40 



■y/- 



CONTRQL 



-/ f- 





2% 



100 

 80 

 60- 

 4.0 



-y/ — I 1- 



-y/ 



25«C - 



CONTROL 





..//■• 



•35»e" 



I8»C 



J ^ ^^ 1 L. 



57oo-l 



100 

 o.U- T^, 



-f /- 





3gy„ 



IS'C 



I0%o- 



12 4 6 



10 16 24 48 72 96 



TIME -hours 



168 



Figure 98. Comparison of the time course of potassium ion regula- 

 tion in Penaeus aztecus in relation to temperature change. Animals 

 were tested from control conditions of 15°/ooS and 32°C 



179 



