Table XXXIII. 



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



during the time course of salinity-temperature adaptation. 



Control Temperature 32°C Control Salinity 15°/oo 



Test Temperature 18°C 



Sampling jes^ Salinity - °/oo 



Interval 



(hour) 2 5 10 15 25 36 



B34 



