c 



E 

 \ 

 to 



c 



3 

 O 



o 



I- 

 o 

 < 



UJ 



_J 



CL 



< 

 I/) 



TOO 



600 



500 



400 



300 



200 



100 - 



I 



EXPERIMENT NO. 2 



DEC. 5 -6 ,1956 

 07° 52'N -91° 19'W 



0000 

 0200 



0300 0600 0900 1200 1500 1800 

 0500 0800 1100 1400 1700 2000 



TIME AND LENGTH OF INCUBATION 



2100 

 2300 



FIGURE 8. Diurnal variations in incubator productivity and 

 chlorophyll "a" at 07° 52'N, 91°19'W. 



-75 - 



