Table XXXI. 



Mean blood calcium concentration ^^ S. E. in P. aztecus 



during the time course of salinity-temperature adaptation. 



Control Temperature 32°C Control Salinity 15 /oo 



Test Temperature 32°C 



Sampling Test Salinity - °/oo 



Interval 



(hour) 2 5 10 15 25 36 



B32 



