Table IX. 



Mean blood osmotic concentration +_ S. E. in P_. aztecus 



during the time course of salinity-temperature adaptation. 



Control Temperature 18°C Control Salinity 15 /oo 



Test Temperature 32°C 



Sampling Test Salinity - °/oo 

 Interval 



(hour) 2 5 10 15 25 36 



674+2.1 674+2.1 674+2.1 674-1^2.1 674^^2.1 674+2.1 



1 584+23.5 612+7.3 675+23.3 683+7.8 714+2.4 789+6.8 



2 529+7.9 592-1^5.5 682+8.1 678+10.3 723+7.1 816-1^9.2 

 4 51U 3.9 579 + 26.5 637+^24.6 693+7.0 714jt^3.8 825-4^8.6 

 6 501-1^2.8 569-1^14.8 654+7.3 676+^6.1 727-|^9.9 844-t^2.8 



10 -- -- 570-1^19.1 630+9.4 695+^11.6 695+16.9 799+7.2 



16 -- -- 578ji^l3.9 634^^ 7.4 664^^14.0 718+^6.0 814 + 12.5 



24 465+0.0 58U2.7 636h^8.0 676+4.2 734-1^6.0 790-t^l2.2 



48 527-1^0.0 577+8.7 634^^5.9 669-1^6.3 751^^6.4 814-1^4.3 



72 453+0.0 598-1^7.4 643ji^4.9 642^^18.7 75U6.3 830-t^l 1 . 1 



96 566-1^0.0 623+14.1 647-t^l5.2 669+11.8 736+^2.1 853+3.9 



168 570+ 0.0 614+ 7.4 638+ 6.5 689+ 3.3 746+ 6.6 934+12.0 



Avg 578+13.9 608+5.9 652+3.7 675+2.8 719+3.7 797+9.8 



BIO 



