Figure 



No. Page 



71 Comparison of blood magnesium ion levels of Penaeus 



aztecus during adaptation to various salinities at 



32°C. The control conditions were 15°/ooS and 25°C. . 141 



72 Comparison of blood magnesium ion levels of Penaeus 



aztecus during adaptation to various salinities at 



18°C. The control conditions were 15°/ooS and 25°C. . 142 



73 Comparison of blood magnesium ion levels of Penaeus 



aztecus during adaptation to various salinities at 



32°C. The control conditions were 15°/ooS and 32°C. . 143 



74 Comparison of blood magnesium ion levels of Penaeus 



aztecus during adaptation to various salinities at 



25°C. The control conditions were 15°/ooS and 32°C. . 144 



75 Comparison of blood magnesium levels of Penaeus 



aztecus during adaptation to various salinities at 



18°C. The control conditions were 15°/°°S and 32°C. . 146 



76 Comparison of blood magnesium levels of Penaeus 



aztecus during adaptation to various salinities at 

 18°C (section A of the figure), 25°C (B) , and 32°C 

 (C) . The control conditions were 15°/ooS and 18°C . . 147 



77 Comparison of the blood potassium ion levels of 



Penaeus aztecus during adaptation to various 



salinities at 18°C (section A of the figure), 25°C 



(B), and 32°C (C) . The control conditions were 



157°oS and 25°C 148 



78 Comparison of the blood potassium ion levels of 



Penaeus aztecus during adaptation to various 



salinities at 18°C (section A of the figure) , 25°C 



(B) , and 32°C (C) . The control conditions were 



15°/ooS and 32°C 150 



79 Comparison of the blood potassium ion levels of 



Penaeus aztecus during adaptation to various 



salinities at 18°C (section A of the figure), 25°C 



(B) , and 32°C (C) . The control conditions were 



15°/ooS and 18°C 151 



80 Effect of salinity and temperature change on the 



blood osmoregulation of Penaeus aztecus in relation 



to the isosmotic line 153 



81 Effect of salinity and temperature change on the 



blood chloride ion regulation of Penaeus aztecus in 

 relation to the isosmotic line 155 



82 Effect of salinity and temperature change on the 



blood calcium ion regulation of Penaeus aztecus in 



relation to the isosmotic line 156 



15 



