100 



80 



60 



40 



20 



120 



100 



80 



60 



120 



^ 100 

 u 



e 80 



i 60 

 i 120 



CO 



S 10.0 



-//- 



CONTROL 



szx 



— //- 



-/A- 



_252C 



2%oH 



CONTROL 



■■jiffMiiy y ^ *** " * 



32^. 



I8»C 



VA- 



_1 L 



5% 



oo 



VA- 



CONTROL 



-I8»C 



O 

 Q_ 



-//- 

 -//- 



_1 L. 



10% 



80 

 60 



120 

 100 

 80 



160 

 140 

 120 

 10.0 

 80 



CONTROL 



32»C 



25«C 



■""" y-' .^^ :;;: ^ 



-//- 

 -//- 



I8*C -I 

 l5%o 



/ / --*'""-Zm. — — • -^ —^ " 





CONTROL 



,J8!£ 



_1 I I I L. 



25°/< 



otf 



-VA- 



-VA- 



r'A- 



_25*!£.. 



I8°C 



J^ " "CONTROL 



VA- 



367c 



oo 



-/A- 



12 4 6 



10 16 24 48 72 96 



TIME- hours 



168 



Figure 97. 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 25°C 



