428 



FISHERY BULLETIN OF THE FISH AND WILDLIFE SERVICE 



80 

 70 _ 

 60 _ 

 50 _ 

 40 _ 



O 30 



UJ 

 IT 



^ 20 



< 



UJ 



s 10 

 < 



fe 80 

 Q: 70 



UJ 

 CD 



i 60 



z 



50 

 40 

 30 

 20 

 10 

 



STAGE A 



Number of ova not 



estimated 



Fig. l-a 



Fig l-b 

 STAGE "C" 



Estimated number of ova 

 02- 20mm 640,000 

 .22-.3emm 43,600 



10 14 18 .22 .26 .30 



OVUM DIAMETER IN MILLIMETERS 



Figure l-a, b. — Sardine iiitra-ovariaii ovum diameter frequencies. 



