10,000,000 



1,000,000 



100,000 



MADEIRA BEACH 



G BREVE COUNTS 

 •-PLANE SAMPLES 

 ^•-LETHAL CONC, 



10,000 Q. 



24 26 28 



SEPT. 



10 12 



OCTOBER 



Figure 16. — Numbers of red tide organisms per liter off Madeira Beach. 



10,000,000 r 



1,000,000 



100,000 - 



INDIAN ROCKS BEACH 



G BREVE COUNTS 

 LETHAL CONC. 



OCTOBER 

 Figure 17. — Numbers of red tide organisms per liter off Indian Rocks Beach. 



55 



