5 



a. 



O 



O 



12 _ 



10 



8 



3 4 



Control 

 10,000 Rods 

 20,000 Rads 

 40,000 Rads 

 80,000 Rads 



50 100 



SALINITY ( P.P.T. ) 



150 



^ 



I 



200 



Figure 26. — Relation between the respiration rates of unirradiated and irradiated brine shrimp nauplii and the salinity 

 of the water at 20° C. Vertical lines represent +1 standard error for four replications. 



49 



